{"id":103424,"date":"2026-09-10T12:34:17","date_gmt":"2026-09-10T04:34:17","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/103424.html"},"modified":"2026-09-10T12:34:17","modified_gmt":"2026-09-10T04:34:17","slug":"springboot%e6%8b%a6%e6%88%aa%e5%99%a8%e3%80%81%e8%bf%87%e6%bb%a4%e5%99%a8%e3%80%81%e7%9b%91%e5%90%ac%e5%99%a8%e5%8c%ba%e5%88%ab%e4%b8%8e%e5%ae%9e%e6%88%98%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/103424.html","title":{"rendered":"SpringBoot\u62e6\u622a\u5668\u3001\u8fc7\u6ee4\u5668\u3001\u76d1\u542c\u5668\u533a\u522b\u4e0e\u5b9e\u6218\u7528\u6cd5"},"content":{"rendered":"<h2>SpringBoot\u62e6\u622a\u5668\u3001\u8fc7\u6ee4\u5668\u3001\u76d1\u542c\u5668\u533a\u522b\u4e0e\u5b9e\u6218\u7528\u6cd5<\/h2>\n<p>\u672c\u6587\u4ece Servlet \u89c4\u8303\u5e95\u5c42\u539f\u7406\u51fa\u53d1&#xff0c;\u7cfb\u7edf\u6027\u5730\u8bb2\u89e3 Filter&#xff08;\u8fc7\u6ee4\u5668&#xff09;\u3001Interceptor&#xff08;\u62e6\u622a\u5668&#xff09;\u3001Listener&#xff08;\u76d1\u542c\u5668&#xff09;\u4e09\u8005\u7684\u6838\u5fc3\u533a\u522b\u3001\u6267\u884c\u987a\u5e8f\u3001\u591a\u79cd\u6ce8\u518c\u65b9\u5f0f\u4ee5\u53ca\u751f\u4ea7\u7ea7\u5b9e\u6218\u7528\u6cd5\u3002\u5305\u542b\u767b\u5f55\u6821\u9a8c\u3001\u6743\u9650\u63a7\u5236\u3001XSS\u9632\u62a4\u3001\u7f16\u7801\u5904\u7406\u3001\u6027\u80fd\u76d1\u63a7\u3001\u5728\u7ebf\u4eba\u6570\u7edf\u8ba1\u7b49 10&#043; \u4e2a\u5b8c\u6574\u53ef\u590d\u7528\u7684\u4ee3\u7801\u6848\u4f8b\u3002<\/p>\n<hr \/>\n<h3>\u76ee\u5f55<\/h3>\n<ul>\n<li>\u4e00\u3001\u4e09\u8005\u6982\u8ff0&#xff1a;\u4e00\u5f20\u56fe\u770b\u61c2\u533a\u522b\n<ul>\n<li>1.1 \u6838\u5fc3\u6982\u5ff5\u901f\u89c8<\/li>\n<li>1.2 \u4e09\u8005\u5728\u8bf7\u6c42\u94fe\u8def\u4e2d\u7684\u4f4d\u7f6e<\/li>\n<li>1.3 \u6838\u5fc3\u533a\u522b\u5bf9\u6bd4\u8868<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001\u8fc7\u6ee4\u5668 Filter \u8be6\u89e3\u4e0e\u5b9e\u6218\n<ul>\n<li>2.1 Filter \u539f\u7406\u4e0e\u751f\u547d\u5468\u671f<\/li>\n<li>2.2 \u6ce8\u518c\u65b9\u5f0f\u4e00&#xff1a;&#064;WebFilter &#043; &#064;ServletComponentScan<\/li>\n<li>2.3 \u6ce8\u518c\u65b9\u5f0f\u4e8c&#xff1a;FilterRegistrationBean&#xff08;\u63a8\u8350&#xff09;<\/li>\n<li>2.4 \u6ce8\u518c\u65b9\u5f0f\u4e09&#xff1a;\u5b9e\u73b0 Filter \u63a5\u53e3 &#043; &#064;Component<\/li>\n<li>2.5 \u5b9e\u6218\u4e00&#xff1a;\u7edf\u4e00\u5b57\u7b26\u7f16\u7801\u8fc7\u6ee4\u5668<\/li>\n<li>2.6 \u5b9e\u6218\u4e8c&#xff1a;XSS \u653b\u51fb\u9632\u62a4\u8fc7\u6ee4\u5668<\/li>\n<li>2.7 \u5b9e\u6218\u4e09&#xff1a;SQL \u6ce8\u5165\u9632\u62a4\u8fc7\u6ee4\u5668<\/li>\n<li>2.8 \u5b9e\u6218\u56db&#xff1a;\u8bf7\u6c42\u4f53\u53ef\u91cd\u590d\u8bfb\u53d6\u8fc7\u6ee4\u5668&#xff08;\u89e3\u51b3\u6d41\u53ea\u80fd\u8bfb\u4e00\u6b21&#xff09;<\/li>\n<li>2.9 \u5b9e\u6218\u4e94&#xff1a;\u8bf7\u6c42\u65e5\u5fd7\u8fc7\u6ee4\u5668&#xff08;\u8bb0\u5f55\u8bf7\u6c42\/\u54cd\u5e94\u8be6\u60c5&#xff09;<\/li>\n<li>2.10 \u8fc7\u6ee4\u5668\u6267\u884c\u987a\u5e8f\u63a7\u5236<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001\u62e6\u622a\u5668 Interceptor \u8be6\u89e3\u4e0e\u5b9e\u6218\n<ul>\n<li>3.1 Interceptor \u539f\u7406\u4e0e\u751f\u547d\u5468\u671f<\/li>\n<li>3.2 \u5b9e\u73b0\u65b9\u5f0f&#xff1a;HandlerInterceptor \u63a5\u53e3<\/li>\n<li>3.3 \u6ce8\u518c\u914d\u7f6e&#xff1a;WebMvcConfigurer<\/li>\n<li>3.4 \u5b9e\u6218\u4e00&#xff1a;\u767b\u5f55\u72b6\u6001\u6821\u9a8c\u62e6\u622a\u5668<\/li>\n<li>3.5 \u5b9e\u6218\u4e8c&#xff1a;\u63a5\u53e3\u6743\u9650\u6821\u9a8c\u62e6\u622a\u5668&#xff08;RBAC&#xff09;<\/li>\n<li>3.6 \u5b9e\u6218\u4e09&#xff1a;\u63a5\u53e3\u6027\u80fd\u76d1\u63a7\u62e6\u622a\u5668<\/li>\n<li>3.7 \u5b9e\u6218\u56db&#xff1a;\u63a5\u53e3\u9632\u91cd\u590d\u63d0\u4ea4\u62e6\u622a\u5668<\/li>\n<li>3.8 \u5b9e\u6218\u4e94&#xff1a;\u6570\u636e\u6743\u9650\u8fc7\u6ee4\u62e6\u622a\u5668&#xff08;MyBatis \u63d2\u4ef6\u914d\u5408&#xff09;<\/li>\n<li>3.9 \u62e6\u622a\u5668\u6392\u9664\u8def\u5f84\u4e0e\u9759\u6001\u8d44\u6e90\u5904\u7406<\/li>\n<li>3.10 \u591a\u4e2a\u62e6\u622a\u5668\u7684\u6267\u884c\u987a\u5e8f<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u76d1\u542c\u5668 Listener \u8be6\u89e3\u4e0e\u5b9e\u6218\n<ul>\n<li>4.1 Listener \u5206\u7c7b\u4e0e\u539f\u7406<\/li>\n<li>4.2 \u6ce8\u518c\u65b9\u5f0f&#xff1a;&#064;WebListener &#043; &#064;ServletComponentScan<\/li>\n<li>4.3 \u6ce8\u518c\u65b9\u5f0f\u4e8c&#xff1a;ServletListenerRegistrationBean<\/li>\n<li>4.4 \u6ce8\u518c\u65b9\u5f0f\u4e09&#xff1a;&#064;Component \u76f4\u63a5\u6ce8\u518c<\/li>\n<li>4.5 \u5b9e\u6218\u4e00&#xff1a;ServletContextListener \u5e94\u7528\u542f\u52a8\u521d\u59cb\u5316<\/li>\n<li>4.6 \u5b9e\u6218\u4e8c&#xff1a;HttpSessionListener \u5728\u7ebf\u4eba\u6570\u7edf\u8ba1<\/li>\n<li>4.7 \u5b9e\u6218\u4e09&#xff1a;ServletRequestListener \u8bf7\u6c42\u8ba1\u6570\u4e0e\u8017\u65f6\u7edf\u8ba1<\/li>\n<li>4.8 \u5b9e\u6218\u56db&#xff1a;HttpSessionAttributeListener \u76d1\u542c\u5c5e\u6027\u53d8\u5316<\/li>\n<li>4.9 \u5b9e\u6218\u4e94&#xff1a;Spring \u81ea\u5b9a\u4e49\u4e8b\u4ef6\u4e0e\u76d1\u542c\u5668&#xff08;ApplicationEvent&#xff09;<\/li>\n<li>4.10 \u5b9e\u6218\u516d&#xff1a;Spring \u5f02\u6b65\u4e8b\u4ef6\u76d1\u542c&#xff08;&#064;Async &#043; &#064;EventListener&#xff09;<\/li>\n<\/ul>\n<\/li>\n<li>\u4e94\u3001\u4e09\u8005\u6267\u884c\u987a\u5e8f\u4e0e\u5d4c\u5957\u5173\u7cfb\u6df1\u5ea6\u89e3\u6790\n<ul>\n<li>5.1 \u8bf7\u6c42\u8fdb\u5165\u65f6\u7684\u5b8c\u6574\u6267\u884c\u94fe<\/li>\n<li>5.2 \u54cd\u5e94\u8fd4\u56de\u65f6\u7684\u5b8c\u6574\u6267\u884c\u94fe<\/li>\n<li>5.3 \u5f02\u5e38\u53d1\u751f\u65f6\u7684\u6267\u884c\u94fe\u53d8\u5316<\/li>\n<li>5.4 \u4ee3\u7801\u9a8c\u8bc1&#xff1a;\u6253\u5370\u5b8c\u6574\u6267\u884c\u987a\u5e8f<\/li>\n<\/ul>\n<\/li>\n<li>\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u6cd5\u5bf9\u6bd4\n<ul>\n<li>6.1 \u8fc7\u6ee4\u5668\u4e0d\u751f\u6548\u7684\u5e38\u89c1\u539f\u56e0<\/li>\n<li>6.2 \u62e6\u622a\u5668\u4e0d\u751f\u6548\u7684\u5e38\u89c1\u539f\u56e0<\/li>\n<li>6.3 \u8fc7\u6ee4\u5668\u4e2d\u65e0\u6cd5\u6ce8\u5165 Bean \u7684\u95ee\u9898<\/li>\n<li>6.4 \u62e6\u622a\u5668\u4e2d\u65e0\u6cd5\u6ce8\u5165 Bean \u7684\u95ee\u9898<\/li>\n<li>6.5 \u8fc7\u6ee4\u5668\u4e0e\u62e6\u622a\u5668\u5982\u4f55\u9009\u62e9<\/li>\n<li>6.6 \u9759\u6001\u8d44\u6e90\u88ab\u62e6\u622a\u7684\u95ee\u9898<\/li>\n<li>6.7 \u8de8\u57df\u914d\u7f6e\u7528\u8fc7\u6ee4\u5668\u8fd8\u662f\u62e6\u622a\u5668<\/li>\n<li>6.8 \u8fc7\u6ee4\u5668\u4e2d\u8bfb\u53d6\u8bf7\u6c42\u4f53\u540e Controller \u62ff\u4e0d\u5230\u6570\u636e<\/li>\n<\/ul>\n<\/li>\n<li>\u4e03\u3001\u751f\u4ea7\u7ea7\u6700\u4f73\u5b9e\u8df5\n<ul>\n<li>7.1 \u4e09\u8005\u804c\u8d23\u5212\u5206\u539f\u5219<\/li>\n<li>7.2 \u6027\u80fd\u4f18\u5316\u5efa\u8bae<\/li>\n<li>7.3 \u5b89\u5168\u52a0\u56fa\u5efa\u8bae<\/li>\n<li>7.4 \u53ef\u89c2\u6d4b\u6027\u5efa\u8bae<\/li>\n<\/ul>\n<\/li>\n<li>\u516b\u3001\u5b8c\u6574\u9879\u76ee\u7ed3\u6784\u4e0e\u4ee3\u7801\u6c47\u603b\n<ul>\n<li>8.1 \u9879\u76ee\u76ee\u5f55\u7ed3\u6784<\/li>\n<li>8.2 \u6838\u5fc3\u914d\u7f6e\u7c7b\u5b8c\u6574\u4ee3\u7801<\/li>\n<\/ul>\n<\/li>\n<li>\u4e5d\u3001\u603b\u7ed3<\/li>\n<\/ul>\n<hr \/>\n<h3>\u4e00\u3001\u4e09\u8005\u6982\u8ff0&#xff1a;\u4e00\u5f20\u56fe\u770b\u61c2\u533a\u522b<\/h3>\n<h4>1.1 \u6838\u5fc3\u6982\u5ff5\u901f\u89c8<\/h4>\n<table>\n<tr>\u7ec4\u4ef6\u82f1\u6587\u89c4\u8303\u6765\u6e90\u4f5c\u7528\u5c42\u7ea7\u6838\u5fc3\u7528\u9014<\/tr>\n<tbody>\n<tr>\n<td>\u8fc7\u6ee4\u5668<\/td>\n<td>Filter<\/td>\n<td>Servlet \u89c4\u8303&#xff08;JSR-315&#xff09;<\/td>\n<td>Servlet \u5bb9\u5668\u5c42&#xff08;Tomcat\/Jetty&#xff09;<\/td>\n<td>\u8bf7\u6c42\/\u54cd\u5e94\u7684\u5305\u88c5\u4e0e\u9884\u5904\u7406&#xff0c;\u5982\u7f16\u7801\u3001XSS\u3001\u65e5\u5fd7<\/td>\n<\/tr>\n<tr>\n<td>\u62e6\u622a\u5668<\/td>\n<td>Interceptor<\/td>\n<td>Spring MVC \u6846\u67b6<\/td>\n<td>Spring MVC \u5c42&#xff08;DispatcherServlet \u5185\u90e8&#xff09;<\/td>\n<td>Controller \u65b9\u6cd5\u7684\u524d\u540e\u7f6e\u5904\u7406&#xff0c;\u5982\u767b\u5f55\u3001\u6743\u9650\u3001\u6027\u80fd<\/td>\n<\/tr>\n<tr>\n<td>\u76d1\u542c\u5668<\/td>\n<td>Listener<\/td>\n<td>Servlet \u89c4\u8303 \/ Spring \u4e8b\u4ef6\u673a\u5236<\/td>\n<td>\u4e8b\u4ef6\u9a71\u52a8\u5c42<\/td>\n<td>\u76d1\u542c\u4e0a\u4e0b\u6587\u3001Session\u3001\u8bf7\u6c42\u3001Spring \u4e8b\u4ef6\u7684\u521b\u5efa\/\u9500\u6bc1\/\u5c5e\u6027\u53d8\u5316<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>1.2 \u4e09\u8005\u5728\u8bf7\u6c42\u94fe\u8def\u4e2d\u7684\u4f4d\u7f6e<\/h4>\n<p>\u5ba2\u6237\u7aef\u8bf7\u6c42<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502              Tomcat \/ Jetty \u5bb9\u5668              \u2502<br \/>\n\u2502                                               \u2502<br \/>\n\u2502  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510   \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510   \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510   \u2502<br \/>\n\u2502  \u2502 Filter1 \u2502\u2500\u2500\u25b6\u2502 Filter2 \u2502\u2500\u2500\u25b6\u2502 FilterN \u2502   \u2502  \u2190 \u8fc7\u6ee4\u5668\u94fe&#xff08;Servlet \u5c42&#xff09;<br \/>\n\u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518   \u2514\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2518   \u2502<br \/>\n\u2502                                     \u2502         \u2502<br \/>\n\u2502                              \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2510  \u2502<br \/>\n\u2502                              \u2502Dispatcher-  \u2502  \u2502<br \/>\n\u2502                              \u2502  Servlet    \u2502  \u2502  \u2190 Spring MVC \u5165\u53e3<br \/>\n\u2502                              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518  \u2502<br \/>\n\u2502                                     \u2502         \u2502<br \/>\n\u2502                          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\u2502<br \/>\n\u2502                          \u2502  Interceptor1     \u2502\u2502<br \/>\n\u2502                          \u2502  preHandle()      \u2502\u2502  \u2190 \u62e6\u622a\u5668\u524d\u7f6e<br \/>\n\u2502                          \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\u2502<br \/>\n\u2502                                     \u2502         \u2502<br \/>\n\u2502                          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\u2502<br \/>\n\u2502                          \u2502  Interceptor2     \u2502\u2502<br \/>\n\u2502                          \u2502  preHandle()      \u2502\u2502<br \/>\n\u2502                          \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\u2502<br \/>\n\u2502                                     \u2502         \u2502<br \/>\n\u2502                          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\u2502<br \/>\n\u2502                          \u2502   Controller      \u2502\u2502  \u2190 \u4e1a\u52a1\u903b\u8f91<br \/>\n\u2502                          \u2502   Method          \u2502\u2502<br \/>\n\u2502                          \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\u2502<br \/>\n\u2502                                     \u2502         \u2502<br \/>\n\u2502                          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\u2502<br \/>\n\u2502                          \u2502  Interceptor2     \u2502\u2502<br \/>\n\u2502                          \u2502  postHandle()     \u2502\u2502  \u2190 \u62e6\u622a\u5668\u540e\u7f6e<br \/>\n\u2502                          \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\u2502<br \/>\n\u2502                                     \u2502         \u2502<br \/>\n\u2502                          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\u2502<br \/>\n\u2502                          \u2502  Interceptor1     \u2502\u2502<br \/>\n\u2502                          \u2502  postHandle()     \u2502\u2502<br \/>\n\u2502                          \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\u2502<br \/>\n\u2502                                     \u2502         \u2502<br \/>\n\u2502                              \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2510  \u2502<br \/>\n\u2502                              \u2502  \u89c6\u56fe\u6e32\u67d3     \u2502  \u2502<br \/>\n\u2502                              \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2518  \u2502<br \/>\n\u2502                                     \u2502         \u2502<br \/>\n\u2502                          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\u2502<br \/>\n\u2502                          \u2502  Interceptor2     \u2502\u2502<br \/>\n\u2502                          \u2502  afterCompletion()\u2502\u2502  \u2190 \u62e6\u622a\u5668\u5b8c\u6210\u56de\u8c03<br \/>\n\u2502                          \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\u2502<br \/>\n\u2502                          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\u2502<br \/>\n\u2502                          \u2502  Interceptor1     \u2502\u2502<br \/>\n\u2502                          \u2502  afterCompletion()\u2502\u2502<br \/>\n\u2502                          \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u252c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\u2502<br \/>\n\u2502                                     \u2502         \u2502<br \/>\n\u2502  \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510   \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510   \u250c\u2500\u2500\u2500\u2500\u25bc\u2500\u2500\u2500\u2500\u2510   \u2502<br \/>\n\u2502  \u2502 Filter1 \u2502\u25c0\u2500\u2500\u2502 Filter2 \u2502\u25c0\u2500\u2500\u2502 FilterN \u2502   \u2502  \u2190 \u8fc7\u6ee4\u5668\u94fe\u53cd\u5411&#xff08;\u54cd\u5e94&#xff09;<br \/>\n\u2502  \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518   \u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518   \u2502<br \/>\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n\u5ba2\u6237\u7aef\u54cd\u5e94<\/p>\n<h4>1.3 \u6838\u5fc3\u533a\u522b\u5bf9\u6bd4\u8868<\/h4>\n<table>\n<tr>\u5bf9\u6bd4\u7ef4\u5ea6Filter \u8fc7\u6ee4\u5668Interceptor \u62e6\u622a\u5668Listener \u76d1\u542c\u5668<\/tr>\n<tbody>\n<tr>\n<td>\u89c4\u8303\u6765\u6e90<\/td>\n<td>Servlet \u89c4\u8303<\/td>\n<td>Spring MVC \u6846\u67b6<\/td>\n<td>Servlet \u89c4\u8303 \/ Spring \u4e8b\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>\u4f5c\u7528\u5c42\u7ea7<\/td>\n<td>Servlet \u5bb9\u5668\u5c42<\/td>\n<td>Spring MVC \u5c42<\/td>\n<td>\u4e8b\u4ef6\u9a71\u52a8\u5c42<\/td>\n<\/tr>\n<tr>\n<td>\u6267\u884c\u65f6\u673a<\/td>\n<td>\u8bf7\u6c42\u8fdb\u5165 Servlet \u4e4b\u524d&#xff0c;\u54cd\u5e94\u79bb\u5f00 Servlet \u4e4b\u540e<\/td>\n<td>Controller \u65b9\u6cd5\u6267\u884c\u524d\u540e\u3001\u89c6\u56fe\u6e32\u67d3\u540e<\/td>\n<td>\u7279\u5b9a\u4e8b\u4ef6\u53d1\u751f\u65f6&#xff08;\u521b\u5efa\/\u9500\u6bc1\/\u5c5e\u6027\u53d8\u5316&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u4f9d\u8d56\u5bb9\u5668<\/td>\n<td>\u4f9d\u8d56 Servlet \u5bb9\u5668&#xff08;Tomcat\/Jetty&#xff09;<\/td>\n<td>\u4f9d\u8d56 Spring MVC<\/td>\n<td>\u4f9d\u8d56 Servlet \u5bb9\u5668\u6216 Spring \u5bb9\u5668<\/td>\n<\/tr>\n<tr>\n<td>\u80fd\u5426\u6ce8\u5165 Bean<\/td>\n<td>\u9ed8\u8ba4\u4e0d\u80fd&#xff08;\u9700\u7279\u6b8a\u5904\u7406&#xff09;<\/td>\n<td>\u80fd&#xff08;\u7531 Spring \u7ba1\u7406&#xff09;<\/td>\n<td>\u80fd&#xff08;\u7531 Spring \u7ba1\u7406&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u80fd\u5426\u83b7\u53d6 Controller \u65b9\u6cd5\u4fe1\u606f<\/td>\n<td>\u4e0d\u80fd<\/td>\n<td>\u80fd&#xff08;HandlerMethod&#xff09;<\/td>\n<td>\u4e0d\u80fd<\/td>\n<\/tr>\n<tr>\n<td>\u80fd\u5426\u4fee\u6539\u8bf7\u6c42\/\u54cd\u5e94<\/td>\n<td>\u80fd&#xff08;\u53ef\u5305\u88c5 Request\/Response&#xff09;<\/td>\n<td>\u4e0d\u80fd\u76f4\u63a5\u4fee\u6539\u6d41&#xff0c;\u4f46\u53ef\u4fee\u6539 ModelAndView<\/td>\n<td>\u4e0d\u80fd<\/td>\n<\/tr>\n<tr>\n<td>\u6267\u884c\u987a\u5e8f\u63a7\u5236<\/td>\n<td>\u901a\u8fc7 &#064;Order \u6216 registrationBean.setOrder()<\/td>\n<td>\u901a\u8fc7 addInterceptor \u7684\u6ce8\u518c\u987a\u5e8f<\/td>\n<td>\u6309\u6ce8\u518c\u987a\u5e8f&#xff0c;\u540c\u7c7b\u578b\u6309 &#064;Order<\/td>\n<\/tr>\n<tr>\n<td>\u80fd\u5426\u62e6\u622a\u9759\u6001\u8d44\u6e90<\/td>\n<td>\u80fd&#xff08;\u9ed8\u8ba4\u62e6\u622a\u6240\u6709&#xff09;<\/td>\n<td>\u9ed8\u8ba4\u4e0d\u62e6\u622a&#xff08;\u9700\u624b\u52a8\u914d\u7f6e&#xff09;<\/td>\n<td>\u4e0d\u6d89\u53ca<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u5e94\u7528<\/td>\n<td>\u7f16\u7801\u8bbe\u7f6e\u3001XSS\u9632\u62a4\u3001\u8bf7\u6c42\u65e5\u5fd7\u3001\u8de8\u57df<\/td>\n<td>\u767b\u5f55\u6821\u9a8c\u3001\u6743\u9650\u63a7\u5236\u3001\u6027\u80fd\u76d1\u63a7\u3001\u9632\u91cd\u590d\u63d0\u4ea4<\/td>\n<td>\u542f\u52a8\u521d\u59cb\u5316\u3001\u5728\u7ebf\u4eba\u6570\u3001\u8bf7\u6c42\u8ba1\u6570\u3001Spring\u4e8b\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>\u4e2d\u65ad\u8bf7\u6c42\u80fd\u529b<\/td>\n<td>\u80fd&#xff08;\u4e0d\u8c03\u7528 chain.doFilter&#xff09;<\/td>\n<td>\u80fd&#xff08;preHandle \u8fd4\u56de false&#xff09;<\/td>\n<td>\u4e0d\u80fd<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\u4e8c\u3001\u8fc7\u6ee4\u5668 Filter \u8be6\u89e3\u4e0e\u5b9e\u6218<\/h3>\n<h4>2.1 Filter \u539f\u7406\u4e0e\u751f\u547d\u5468\u671f<\/h4>\n<p>Filter \u662f Servlet \u89c4\u8303\u5b9a\u4e49\u7684\u7ec4\u4ef6&#xff0c;\u5728\u8bf7\u6c42\u5230\u8fbe Servlet \u4e4b\u524d\u548c\u54cd\u5e94\u79bb\u5f00 Servlet \u4e4b\u540e\u6267\u884c\u3002\u5b83\u57fa\u4e8e\u8d23\u4efb\u94fe\u6a21\u5f0f&#xff0c;\u591a\u4e2a Filter \u7ec4\u6210\u4e00\u6761 FilterChain\u3002<\/p>\n<p>Filter \u63a5\u53e3\u6e90\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5bb9\u5668\u542f\u52a8\u65f6\u8c03\u7528&#xff0c;\u53ea\u6267\u884c\u4e00\u6b21&#xff0c;\u7528\u4e8e\u521d\u59cb\u5316<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">FilterConfig<\/span> filterConfig<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">ServletException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6bcf\u6b21\u8bf7\u6c42\u88ab\u62e6\u622a\u65f6\u8c03\u7528<br \/>\n     * &#064;param request  \u8bf7\u6c42\u5bf9\u8c61&#xff08;ServletRequest&#xff09;<br \/>\n     * &#064;param response \u54cd\u5e94\u5bf9\u8c61&#xff08;ServletResponse&#xff09;<br \/>\n     * &#064;param chain    \u8fc7\u6ee4\u5668\u94fe&#xff0c;\u8c03\u7528 chain.doFilter() \u5c06\u8bf7\u6c42\u4f20\u9012\u7ed9\u4e0b\u4e00\u4e2a\u8fc7\u6ee4\u5668<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">void<\/span> <span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterChain<\/span> chain<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletException<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5bb9\u5668\u5173\u95ed\u65f6\u8c03\u7528&#xff0c;\u53ea\u6267\u884c\u4e00\u6b21&#xff0c;\u7528\u4e8e\u9500\u6bc1\u8d44\u6e90<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">destroy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u751f\u547d\u5468\u671f&#xff1a;<\/p>\n<p>\u5bb9\u5668\u542f\u52a8 \u2192 init()&#xff08;\u4ec5\u4e00\u6b21&#xff09;<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n\u8bf7\u6c42\u5230\u8fbe \u2192 doFilter()&#xff08;\u6bcf\u6b21\u8bf7\u6c42&#xff09;<br \/>\n    \u2502<br \/>\n    \u251c\u2500\u2500 chain.doFilter() \u2192 \u653e\u884c\u5230\u4e0b\u4e00\u4e2a\u8fc7\u6ee4\u5668\/\u76ee\u6807\u8d44\u6e90<br \/>\n    \u2502<br \/>\n    \u2514\u2500\u2500 \u4e0d\u8c03\u7528 chain.doFilter() \u2192 \u4e2d\u65ad\u8bf7\u6c42&#xff0c;\u76f4\u63a5\u8fd4\u56de\u54cd\u5e94<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n\u5bb9\u5668\u5173\u95ed \u2192 destroy()&#xff08;\u4ec5\u4e00\u6b21&#xff09;<\/p>\n<h4>2.2 \u6ce8\u518c\u65b9\u5f0f\u4e00&#xff1a;&#064;WebFilter &#043; &#064;ServletComponentScan<\/h4>\n<p>\u8fd9\u662f\u6700\u7b80\u6d01\u7684\u6ce8\u518c\u65b9\u5f0f&#xff0c;\u9002\u5408\u7b80\u5355\u573a\u666f\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65&#xff1a;\u5728\u542f\u52a8\u7c7b\u4e0a\u6dfb\u52a0 &#064;ServletComponentScan<\/p>\n<p><span class=\"token annotation punctuation\">&#064;SpringBootApplication<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;ServletComponentScan<\/span><span class=\"token punctuation\">(<\/span>basePackages <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;com.example.filter&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Application<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">SpringApplication<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Application<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">,<\/span> args<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;\u7f16\u5199 Filter \u5e76\u6dfb\u52a0 &#064;WebFilter \u6ce8\u89e3<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">WebFilter<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">IOException<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;WebFilter<\/span><span class=\"token punctuation\">(<\/span>filterName <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;myFilter&#034;<\/span><span class=\"token punctuation\">,<\/span> urlPatterns <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">FilterConfig<\/span> filterConfig<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;MyFilter \u521d\u59cb\u5316&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterChain<\/span> chain<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">HttpServletRequest<\/span> httpRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span><span class=\"token punctuation\">)<\/span> request<span class=\"token punctuation\">;<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;MyFilter \u62e6\u622a\u8bf7\u6c42&#xff1a;{}&#034;<\/span><span class=\"token punctuation\">,<\/span> httpRequest<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> startTime <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">long<\/span> cost <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> startTime<span class=\"token punctuation\">;<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;MyFilter \u8bf7\u6c42\u5904\u7406\u5b8c\u6210&#xff0c;\u8017\u65f6&#xff1a;{}ms&#034;<\/span><span class=\"token punctuation\">,<\/span> cost<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">destroy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;MyFilter \u9500\u6bc1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a;&#064;WebFilter \u6ce8\u89e3\u672c\u8eab\u4e0d\u652f\u6301\u901a\u8fc7 &#064;Order \u63a7\u5236\u6267\u884c\u987a\u5e8f\u3002\u5982\u679c\u9700\u8981\u63a7\u5236\u987a\u5e8f&#xff0c;\u5fc5\u987b\u4f7f\u7528 FilterRegistrationBean \u65b9\u5f0f\u3002<\/p>\n<h4>2.3 \u6ce8\u518c\u65b9\u5f0f\u4e8c&#xff1a;FilterRegistrationBean&#xff08;\u63a8\u8350&#xff09;<\/h4>\n<p>\u8fd9\u662f\u751f\u4ea7\u73af\u5883\u63a8\u8350\u7684\u6ce8\u518c\u65b9\u5f0f&#xff0c;\u529f\u80fd\u6700\u5f3a\u5927&#xff0c;\u53ef\u4ee5\u7cbe\u786e\u63a7\u5236\u987a\u5e8f\u3001URL \u6a21\u5f0f\u3001\u521d\u59cb\u5316\u53c2\u6570\u7b49\u3002<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">EncodingFilter<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">XssFilter<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RequestLogFilter<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>boot<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">FilterRegistrationBean<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bean<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Ordered<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FilterConfig<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6ce8\u518c\u7f16\u7801\u8fc7\u6ee4\u5668&#xff0c;\u4f18\u5148\u7ea7\u6700\u9ad8<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">EncodingFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">encodingFilterRegistration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">EncodingFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">EncodingFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addUrlPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;encodingFilter&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6570\u5b57\u8d8a\u5c0f\u4f18\u5148\u7ea7\u8d8a\u9ad8<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Ordered<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">HIGHEST_PRECEDENCE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u521d\u59cb\u5316\u53c2\u6570<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInitParameter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;encoding&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;UTF-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInitParameter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;forceEncoding&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;true&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6ce8\u518c XSS \u9632\u62a4\u8fc7\u6ee4\u5668<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">XssFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">xssFilterRegistration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">XssFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">XssFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u53ea\u62e6\u622a\u7279\u5b9a\u8def\u5f84<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addUrlPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;xssFilter&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6ce8\u518c\u8bf7\u6c42\u65e5\u5fd7\u8fc7\u6ee4\u5668<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">RequestLogFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">requestLogFilterRegistration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">RequestLogFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RequestLogFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addUrlPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6392\u9664\u9759\u6001\u8d44\u6e90<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInitParameter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;exclusions&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/static\/*,\/public\/*,*.js,*.css,*.png,*.jpg&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;requestLogFilter&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2.4 \u6ce8\u518c\u65b9\u5f0f\u4e09&#xff1a;\u5b9e\u73b0 Filter \u63a5\u53e3 &#043; &#064;Component<\/h4>\n<p>\u6700\u7b80\u5355\u7684\u6ce8\u518c\u65b9\u5f0f&#xff0c;\u76f4\u63a5\u52a0 &#064;Component \u6ce8\u89e3\u5373\u53ef\u88ab Spring \u7ba1\u7406\u3002\u4f46\u8fd9\u79cd\u65b9\u5f0f\u9ed8\u8ba4\u62e6\u622a\u6240\u6709\u8bf7\u6c42&#xff08;\/*&#xff09;&#xff0c;\u65e0\u6cd5\u7cbe\u786e\u914d\u7f6e URL \u6a21\u5f0f\u3002<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Order<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">IOException<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ \u63a7\u5236\u6267\u884c\u987a\u5e8f&#xff0c;\u6570\u5b57\u8d8a\u5c0f\u4f18\u5148\u7ea7\u8d8a\u9ad8<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SimpleFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterChain<\/span> chain<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">HttpServletRequest<\/span> httpRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span><span class=\"token punctuation\">)<\/span> request<span class=\"token punctuation\">;<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;SimpleFilter \u62e6\u622a&#xff1a;{}&#034;<\/span><span class=\"token punctuation\">,<\/span> httpRequest<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4e09\u79cd\u6ce8\u518c\u65b9\u5f0f\u5bf9\u6bd4&#xff1a;<\/p>\n<table>\n<tr>\u65b9\u5f0f\u4f18\u70b9\u7f3a\u70b9\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>&#064;WebFilter<\/td>\n<td>\u6ce8\u89e3\u7b80\u6d01<\/td>\n<td>\u4e0d\u652f\u6301 &#064;Order \u6392\u5e8f&#xff0c;\u9700 &#064;ServletComponentScan<\/td>\n<td>\u5355\u4e2a\u7b80\u5355\u8fc7\u6ee4\u5668<\/td>\n<\/tr>\n<tr>\n<td>FilterRegistrationBean<\/td>\n<td>\u529f\u80fd\u6700\u5168&#xff0c;\u53ef\u63a7\u5236\u987a\u5e8f\/URL\/\u53c2\u6570<\/td>\n<td>\u914d\u7f6e\u7c7b\u4ee3\u7801\u8f83\u591a<\/td>\n<td>\u751f\u4ea7\u73af\u5883\u63a8\u8350<\/td>\n<\/tr>\n<tr>\n<td>&#064;Component<\/td>\n<td>\u6700\u7b80\u5355<\/td>\n<td>\u9ed8\u8ba4\u62e6\u622a\u6240\u6709\u8bf7\u6c42&#xff0c;\u65e0\u6cd5\u914d\u7f6e URL \u6a21\u5f0f<\/td>\n<td>\u5168\u5c40\u8fc7\u6ee4\u5668<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>2.5 \u5b9e\u6218\u4e00&#xff1a;\u7edf\u4e00\u5b57\u7b26\u7f16\u7801\u8fc7\u6ee4\u5668<\/h4>\n<p>\u867d\u7136 SpringBoot \u5df2\u7ecf\u63d0\u4f9b\u4e86 CharacterEncodingFilter&#xff0c;\u4f46\u4e86\u89e3\u5176\u5b9e\u73b0\u539f\u7406\u6709\u52a9\u4e8e\u81ea\u5b9a\u4e49\u7f16\u7801\u5904\u7406\u3002<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletResponse<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">IOException<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u7edf\u4e00\u5b57\u7b26\u7f16\u7801\u8fc7\u6ee4\u5668<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">EncodingFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> encoding <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;UTF-8&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">boolean<\/span> forceEncoding <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">FilterConfig<\/span> filterConfig<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> encodingParam <span class=\"token operator\">&#061;<\/span> filterConfig<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInitParameter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;encoding&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> forceParam <span class=\"token operator\">&#061;<\/span> filterConfig<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInitParameter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;forceEncoding&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>encodingParam <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>encodingParam<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>encoding <span class=\"token operator\">&#061;<\/span> encodingParam<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>forceParam <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>forceParam<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>forceEncoding <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Boolean<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">parseBoolean<\/span><span class=\"token punctuation\">(<\/span>forceParam<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;EncodingFilter \u521d\u59cb\u5316&#xff0c;\u7f16\u7801&#xff1a;{}&#xff0c;\u5f3a\u5236\u7f16\u7801&#xff1a;{}&#034;<\/span><span class=\"token punctuation\">,<\/span> encoding<span class=\"token punctuation\">,<\/span> forceEncoding<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterChain<\/span> chain<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletException<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token class-name\">HttpServletRequest<\/span> httpRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span><span class=\"token punctuation\">)<\/span> request<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">HttpServletResponse<\/span> httpResponse <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletResponse<\/span><span class=\"token punctuation\">)<\/span> response<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u8bf7\u6c42\u7f16\u7801<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>forceEncoding <span class=\"token operator\">||<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getCharacterEncoding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            request<span class=\"token punctuation\">.<\/span><span class=\"token function\">setCharacterEncoding<\/span><span class=\"token punctuation\">(<\/span>encoding<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bbe\u7f6e\u54cd\u5e94\u7f16\u7801<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>forceEncoding<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            response<span class=\"token punctuation\">.<\/span><span class=\"token function\">setCharacterEncoding<\/span><span class=\"token punctuation\">(<\/span>encoding<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            response<span class=\"token punctuation\">.<\/span><span class=\"token function\">setContentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;text\/html;charset&#061;&#034;<\/span> <span class=\"token operator\">&#043;<\/span> encoding<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;EncodingFilter \u5904\u7406\u8bf7\u6c42&#xff1a;{}&#xff0c;\u7f16\u7801&#xff1a;{}&#034;<\/span><span class=\"token punctuation\">,<\/span> httpRequest<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> encoding<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">destroy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;EncodingFilter \u9500\u6bc1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>SpringBoot \u5185\u7f6e\u7f16\u7801\u8fc7\u6ee4\u5668\u914d\u7f6e&#xff08;\u66f4\u63a8\u8350&#xff09;&#xff1a;<\/p>\n<p><span class=\"token key atrule\">server<\/span><span class=\"token punctuation\">:<\/span><br \/>\n  <span class=\"token key atrule\">servlet<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token key atrule\">encoding<\/span><span class=\"token punctuation\">:<\/span><br \/>\n      <span class=\"token key atrule\">charset<\/span><span class=\"token punctuation\">:<\/span> UTF<span class=\"token punctuation\">&#8211;<\/span><span class=\"token number\">8<\/span><br \/>\n      <span class=\"token key atrule\">enabled<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token boolean important\">true<\/span><br \/>\n      <span class=\"token key atrule\">force<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token boolean important\">true<\/span><\/p>\n<h4>2.6 \u5b9e\u6218\u4e8c&#xff1a;XSS \u653b\u51fb\u9632\u62a4\u8fc7\u6ee4\u5668<\/h4>\n<p>XSS&#xff08;\u8de8\u7ad9\u811a\u672c\u653b\u51fb&#xff09;\u9632\u62a4\u7684\u6838\u5fc3\u601d\u8def\u662f&#xff1a;\u5bf9\u8bf7\u6c42\u53c2\u6570\u4e2d\u7684\u7279\u6b8a\u5b57\u7b26\u8fdb\u884c\u8f6c\u4e49&#xff0c;\u9632\u6b62\u6076\u610f\u811a\u672c\u6ce8\u5165\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65&#xff1a;\u81ea\u5b9a\u4e49 HttpServletRequestWrapper&#xff0c;\u91cd\u5199\u83b7\u53d6\u53c2\u6570\u7684\u65b9\u6cd5<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>commons<span class=\"token punctuation\">.<\/span>text<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StringEscapeUtils<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequestWrapper<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * XSS \u9632\u62a4\u8bf7\u6c42\u5305\u88c5\u5668<br \/>\n * \u5bf9\u6240\u6709\u8bf7\u6c42\u53c2\u6570\u8fdb\u884c HTML \u8f6c\u4e49<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">XssHttpServletRequestWrapper<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">HttpServletRequestWrapper<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">XssHttpServletRequestWrapper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u91cd\u5199 getParameter&#xff0c;\u5bf9\u5355\u4e2a\u53c2\u6570\u503c\u8fdb\u884c\u8f6c\u4e49<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">getParameter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> name<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> value <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getParameter<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> value <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">escapeXss<\/span><span class=\"token punctuation\">(<\/span>value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u91cd\u5199 getParameterValues&#xff0c;\u5bf9\u53c2\u6570\u6570\u7ec4\u8fdb\u884c\u8f6c\u4e49<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token function\">getParameterValues<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> name<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> values <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getParameterValues<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>values <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> escapedValues <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span>values<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> values<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            escapedValues<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">escapeXss<\/span><span class=\"token punctuation\">(<\/span>values<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> escapedValues<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u91cd\u5199 getParameterMap&#xff0c;\u5bf9\u6240\u6709\u53c2\u6570\u8fdb\u884c\u8f6c\u4e49<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Map<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> <span class=\"token function\">getParameterMap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Map<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> originalMap <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getParameterMap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>originalMap <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">||<\/span> originalMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> originalMap<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token class-name\">Map<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> escapedMap <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">LinkedHashMap<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Map<span class=\"token punctuation\">.<\/span>Entry<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> entry <span class=\"token operator\">:<\/span> originalMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">entrySet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> values <span class=\"token operator\">&#061;<\/span> entry<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>values <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> escapedValues <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span>values<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> values<span class=\"token punctuation\">.<\/span>length<span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    escapedValues<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">escapeXss<\/span><span class=\"token punctuation\">(<\/span>values<span class=\"token punctuation\">[<\/span>i<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                escapedMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>entry<span class=\"token punctuation\">.<\/span><span class=\"token function\">getKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> escapedValues<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                escapedMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">put<\/span><span class=\"token punctuation\">(<\/span>entry<span class=\"token punctuation\">.<\/span><span class=\"token function\">getKey<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> escapedMap<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u91cd\u5199 getHeader&#xff0c;\u5bf9\u8bf7\u6c42\u5934\u8fdb\u884c\u8f6c\u4e49<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">getHeader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> name<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> value <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getHeader<\/span><span class=\"token punctuation\">(<\/span>name<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> value <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">:<\/span> <span class=\"token function\">escapeXss<\/span><span class=\"token punctuation\">(<\/span>value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * XSS \u8f6c\u4e49\u65b9\u6cd5<br \/>\n     * \u4f7f\u7528 Apache Commons Text \u7684 StringEscapeUtils<br \/>\n     * \u5982\u679c\u4e0d\u60f3\u5f15\u5165\u4f9d\u8d56&#xff0c;\u4e5f\u53ef\u4ee5\u624b\u52a8\u5b9e\u73b0<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">escapeXss<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> value<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>value <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">||<\/span> value<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> value<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u65b9\u5f0f\u4e00&#xff1a;\u4f7f\u7528 Apache Commons Text&#xff08;\u63a8\u8350&#xff0c;\u66f4\u5168\u9762&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">StringEscapeUtils<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">escapeHtml4<\/span><span class=\"token punctuation\">(<\/span>value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u65b9\u5f0f\u4e8c&#xff1a;\u624b\u52a8\u5b9e\u73b0&#xff08;\u4e0d\u4f9d\u8d56\u7b2c\u4e09\u65b9\u5e93&#xff09;<\/span><br \/>\n        <span class=\"token comment\">\/\/ return manualEscape(value);<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u624b\u52a8 XSS \u8f6c\u4e49\u5b9e\u73b0<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">manualEscape<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> value<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">StringBuilder<\/span> sb <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">StringBuilder<\/span><span class=\"token punctuation\">(<\/span>value<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">16<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token keyword\">int<\/span> i <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span> i <span class=\"token operator\">&lt;<\/span> value<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span> i<span class=\"token operator\">&#043;&#043;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">char<\/span> c <span class=\"token operator\">&#061;<\/span> value<span class=\"token punctuation\">.<\/span><span class=\"token function\">charAt<\/span><span class=\"token punctuation\">(<\/span>i<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">switch<\/span> <span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">case<\/span> <span class=\"token char\">&#039;&lt;&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n                    sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&amp;lt;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">case<\/span> <span class=\"token char\">&#039;&gt;&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n                    sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&amp;gt;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">case<\/span> <span class=\"token char\">&#039;&amp;&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n                    sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&amp;amp;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">case<\/span> <span class=\"token char\">&#039;&#034;&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n                    sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&amp;quot;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">case<\/span> <span class=\"token char\">&#039;\\\\&#039;&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n                    sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&amp;#x27;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">case<\/span> <span class=\"token char\">&#039;\/&#039;<\/span><span class=\"token operator\">:<\/span><br \/>\n                    sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&amp;#x2F;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">break<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token keyword\">default<\/span><span class=\"token operator\">:<\/span><br \/>\n                    sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>c<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;\u7f16\u5199 XSS \u8fc7\u6ee4\u5668<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">IOException<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Arrays<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">List<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * XSS \u653b\u51fb\u9632\u62a4\u8fc7\u6ee4\u5668<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">XssFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u4e0d\u9700\u8981 XSS \u9632\u62a4\u7684\u8def\u5f84&#xff08;\u5982\u6587\u4ef6\u4e0a\u4f20\u63a5\u53e3&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">List<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token constant\">EXCLUDE_PATHS<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Arrays<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">asList<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token string\">&#034;\/api\/file\/upload&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token string\">&#034;\/api\/import&#034;<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterChain<\/span> chain<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletException<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token class-name\">HttpServletRequest<\/span> httpRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span><span class=\"token punctuation\">)<\/span> request<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> uri <span class=\"token operator\">&#061;<\/span> httpRequest<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6392\u9664\u4e0d\u9700\u8981\u9632\u62a4\u7684\u8def\u5f84<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">isExcludePath<\/span><span class=\"token punctuation\">(<\/span>uri<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4f7f\u7528\u5305\u88c5\u540e\u7684 Request \u4f20\u9012\u7ed9\u540e\u7eed\u8fc7\u6ee4\u5668\u548c Controller<\/span><br \/>\n        <span class=\"token class-name\">XssHttpServletRequestWrapper<\/span> wrappedRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">XssHttpServletRequestWrapper<\/span><span class=\"token punctuation\">(<\/span>httpRequest<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>wrappedRequest<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">isExcludePath<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> uri<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token constant\">EXCLUDE_PATHS<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">stream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">anyMatch<\/span><span class=\"token punctuation\">(<\/span>uri<span class=\"token operator\">::<\/span><span class=\"token function\">startsWith<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a;\u4e0a\u9762\u7684 XSS \u5305\u88c5\u53ea\u5904\u7406\u4e86\u8868\u5355\u53c2\u6570&#xff08;getParameter \u7cfb\u5217&#xff09;&#xff0c;\u5bf9\u4e8e JSON \u8bf7\u6c42\u4f53&#xff08;&#064;RequestBody&#xff09;&#xff0c;\u9700\u8981\u989d\u5916\u5904\u7406\u3002\u53ef\u4ee5\u914d\u5408 ContentCachingRequestWrapper \u6216\u81ea\u5b9a\u4e49 RequestWrapper \u8bfb\u53d6 InputStream \u5e76\u8f6c\u4e49\u540e\u91cd\u65b0\u5305\u88c5\u3002<\/p>\n<h4>2.7 \u5b9e\u6218\u4e09&#xff1a;SQL \u6ce8\u5165\u9632\u62a4\u8fc7\u6ee4\u5668<\/h4>\n<p>SQL \u6ce8\u5165\u9632\u62a4\u7684\u6838\u5fc3\u662f\u68c0\u6d4b\u8bf7\u6c42\u53c2\u6570\u4e2d\u662f\u5426\u5305\u542b SQL \u5173\u952e\u5b57\u548c\u7279\u6b8a\u5b57\u7b26\u3002<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">IOException<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Enumeration<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>regex<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Pattern<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * SQL \u6ce8\u5165\u9632\u62a4\u8fc7\u6ee4\u5668<br \/>\n * \u68c0\u6d4b\u8bf7\u6c42\u53c2\u6570\u4e2d\u662f\u5426\u5305\u542b SQL \u6ce8\u5165\u5173\u952e\u5b57<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SqlInjectFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * SQL \u6ce8\u5165\u5173\u952e\u5b57\u6b63\u5219<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">Pattern<\/span> <span class=\"token constant\">SQL_INJECT_PATTERN<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Pattern<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">compile<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token string\">&#034;(?:&#039;)|(?:&#8211;)|(\/\\\\\\\\*(?:.|[\\\\\\\\n\\\\\\\\r])*?\\\\\\\\*\/)|&#034;<\/span> <span class=\"token operator\">&#043;<\/span><br \/>\n            <span class=\"token string\">&#034;(\\\\\\\\b(select|update|and|or|delete|insert|truncate|char|into|&#034;<\/span> <span class=\"token operator\">&#043;<\/span><br \/>\n            <span class=\"token string\">&#034;substr|declare|exec|count|master|into|drop|execute|union|create|&#034;<\/span> <span class=\"token operator\">&#043;<\/span><br \/>\n            <span class=\"token string\">&#034;alter|grant|revoke|commit|rollback|savepoint|lock|unlock)\\\\\\\\b)&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n            <span class=\"token class-name\">Pattern<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">CASE_INSENSITIVE<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterChain<\/span> chain<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletException<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token class-name\">HttpServletRequest<\/span> httpRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span><span class=\"token punctuation\">)<\/span> request<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> uri <span class=\"token operator\">&#061;<\/span> httpRequest<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u68c0\u67e5\u6240\u6709\u8bf7\u6c42\u53c2\u6570<\/span><br \/>\n        <span class=\"token class-name\">Enumeration<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> parameterNames <span class=\"token operator\">&#061;<\/span> httpRequest<span class=\"token punctuation\">.<\/span><span class=\"token function\">getParameterNames<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>parameterNames<span class=\"token punctuation\">.<\/span><span class=\"token function\">hasMoreElements<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> paramName <span class=\"token operator\">&#061;<\/span> parameterNames<span class=\"token punctuation\">.<\/span><span class=\"token function\">nextElement<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> values <span class=\"token operator\">&#061;<\/span> httpRequest<span class=\"token punctuation\">.<\/span><span class=\"token function\">getParameterValues<\/span><span class=\"token punctuation\">(<\/span>paramName<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>values <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">continue<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> value <span class=\"token operator\">:<\/span> values<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>value <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token constant\">SQL_INJECT_PATTERN<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">matcher<\/span><span class=\"token punctuation\">(<\/span>value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">find<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    log<span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u68c0\u6d4b\u5230 SQL \u6ce8\u5165\u653b\u51fb&#xff0c;URI: {}&#xff0c;\u53c2\u6570\u540d: {}&#xff0c;\u53c2\u6570\u503c: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                            uri<span class=\"token punctuation\">,<\/span> paramName<span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u62d2\u7edd\u8bf7\u6c42<\/span><br \/>\n                    response<span class=\"token punctuation\">.<\/span><span class=\"token function\">setContentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;application\/json;charset&#061;UTF-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getWriter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;{\\\\&#034;code\\\\&#034;:\\\\&#034;40003\\\\&#034;,\\\\&#034;message\\\\&#034;:\\\\&#034;\u8bf7\u6c42\u53c2\u6570\u5305\u542b\u975e\u6cd5\u5b57\u7b26\\\\&#034;}&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                    <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u91cd\u8981\u63d0\u793a&#xff1a;SQL \u6ce8\u5165\u9632\u62a4\u7684\u6839\u672c\u89e3\u51b3\u65b9\u6848\u662f\u4f7f\u7528\u9884\u7f16\u8bd1\u8bed\u53e5&#xff08;PreparedStatement&#xff09;\u548cMyBatis \u7684 #{} \u5360\u4f4d\u7b26&#xff0c;\u8fc7\u6ee4\u5668\u53ea\u80fd\u4f5c\u4e3a\u8f85\u52a9\u9632\u62a4\u624b\u6bb5\u3002\u4e0d\u8981\u4f9d\u8d56\u8fc7\u6ee4\u5668\u4f5c\u4e3a\u552f\u4e00\u9632\u62a4\u3002<\/p>\n<h4>2.8 \u5b9e\u6218\u56db&#xff1a;\u8bf7\u6c42\u4f53\u53ef\u91cd\u590d\u8bfb\u53d6\u8fc7\u6ee4\u5668&#xff08;\u89e3\u51b3\u6d41\u53ea\u80fd\u8bfb\u4e00\u6b21&#xff09;<\/h4>\n<p>\u5728\u8fc7\u6ee4\u5668\u4e2d\u8bfb\u53d6\u8bf7\u6c42\u4f53&#xff08;\u5982\u8bb0\u5f55\u8bf7\u6c42\u65e5\u5fd7&#xff09;\u540e&#xff0c;Controller \u4e2d\u7684 &#064;RequestBody \u4f1a\u62ff\u4e0d\u5230\u6570\u636e&#xff0c;\u56e0\u4e3a HttpServletRequest \u7684 InputStream \u53ea\u80fd\u8bfb\u4e00\u6b21\u3002\u89e3\u51b3\u65b9\u6848\u662f\u81ea\u5b9a\u4e49 HttpServletRequestWrapper&#xff0c;\u5c06\u8bf7\u6c42\u4f53\u7f13\u5b58\u5230\u5b57\u8282\u6570\u7ec4\u4e2d\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65&#xff1a;\u53ef\u91cd\u590d\u8bfb\u53d6\u7684 RequestWrapper<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ReadListener<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ServletInputStream<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequestWrapper<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>nio<span class=\"token punctuation\">.<\/span>charset<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StandardCharsets<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u53ef\u91cd\u590d\u8bfb\u53d6\u8bf7\u6c42\u4f53\u7684 RequestWrapper<br \/>\n * \u5c06\u8bf7\u6c42\u4f53\u7f13\u5b58\u5230\u5b57\u8282\u6570\u7ec4&#xff0c;\u5b9e\u73b0\u591a\u6b21\u8bfb\u53d6<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CachedBodyHttpServletRequest<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">HttpServletRequestWrapper<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u7f13\u5b58\u7684\u8bf7\u6c42\u4f53\u5b57\u8282\u6570\u7ec4<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> cachedBody<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">CachedBodyHttpServletRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bfb\u53d6\u539f\u59cb\u8bf7\u6c42\u4f53\u5e76\u7f13\u5b58<\/span><br \/>\n        <span class=\"token class-name\">InputStream<\/span> requestInputStream <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>cachedBody <span class=\"token operator\">&#061;<\/span> requestInputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">readAllBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u91cd\u5199 getInputStream&#xff0c;\u8fd4\u56de\u57fa\u4e8e\u7f13\u5b58\u5b57\u8282\u6570\u7ec4\u7684\u8f93\u5165\u6d41<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ServletInputStream<\/span> <span class=\"token function\">getInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CachedBodyServletInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>cachedBody<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u91cd\u5199 getReader&#xff0c;\u8fd4\u56de\u57fa\u4e8e\u7f13\u5b58\u5b57\u8282\u6570\u7ec4\u7684\u5b57\u7b26\u6d41<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">BufferedReader<\/span> <span class=\"token function\">getReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ByteArrayInputStream<\/span> byteArrayInputStream <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ByteArrayInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>cachedBody<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">BufferedReader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">InputStreamReader<\/span><span class=\"token punctuation\">(<\/span>byteArrayInputStream<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">UTF_8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6\u7f13\u5b58\u7684\u8bf7\u6c42\u4f53\u5b57\u7b26\u4e32<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">getCachedBody<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>cachedBody<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">UTF_8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6\u7f13\u5b58\u7684\u8bf7\u6c42\u4f53\u5b57\u8282\u6570\u7ec4<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token function\">getCachedBodyBytes<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>cachedBody<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u81ea\u5b9a\u4e49 ServletInputStream&#xff0c;\u57fa\u4e8e\u5b57\u8282\u6570\u7ec4<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CachedBodyServletInputStream<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">ServletInputStream<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">InputStream<\/span> cachedBodyInputStream<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">CachedBodyServletInputStream<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> cachedBody<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>cachedBodyInputStream <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ByteArrayInputStream<\/span><span class=\"token punctuation\">(<\/span>cachedBody<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">isFinished<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> cachedBodyInputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">available<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">IOException<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">isReady<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">setReadListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ReadListener<\/span> readListener<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">UnsupportedOperationException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> cachedBodyInputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n        <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> b<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> off<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">int<\/span> len<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> cachedBodyInputStream<span class=\"token punctuation\">.<\/span><span class=\"token function\">read<\/span><span class=\"token punctuation\">(<\/span>b<span class=\"token punctuation\">,<\/span> off<span class=\"token punctuation\">,<\/span> len<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;\u4f7f\u7528\u8be5 Wrapper \u7684\u8fc7\u6ee4\u5668<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">IOException<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u8bf7\u6c42\u4f53\u7f13\u5b58\u8fc7\u6ee4\u5668<br \/>\n * \u786e\u4fdd\u8bf7\u6c42\u4f53\u53ef\u4ee5\u88ab\u591a\u6b21\u8bfb\u53d6&#xff08;\u8fc7\u6ee4\u5668\u4e2d\u8bfb\u53d6\u540e&#xff0c;Controller \u4ecd\u80fd\u8bfb\u53d6&#xff09;<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CachedBodyFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterChain<\/span> chain<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletException<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token class-name\">HttpServletRequest<\/span> httpRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span><span class=\"token punctuation\">)<\/span> request<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u53ea\u5bf9 JSON \u8bf7\u6c42\u4f53\u8fdb\u884c\u5305\u88c5&#xff08;\u6587\u4ef6\u4e0a\u4f20\u7b49\u4e0d\u5305\u88c5&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> contentType <span class=\"token operator\">&#061;<\/span> httpRequest<span class=\"token punctuation\">.<\/span><span class=\"token function\">getContentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>contentType <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> contentType<span class=\"token punctuation\">.<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;application\/json&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">CachedBodyHttpServletRequest<\/span> cachedRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CachedBodyHttpServletRequest<\/span><span class=\"token punctuation\">(<\/span>httpRequest<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>cachedRequest<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2.9 \u5b9e\u6218\u4e94&#xff1a;\u8bf7\u6c42\u65e5\u5fd7\u8fc7\u6ee4\u5668&#xff08;\u8bb0\u5f55\u8bf7\u6c42\/\u54cd\u5e94\u8be6\u60c5&#xff09;<\/h4>\n<p>\u751f\u4ea7\u73af\u5883\u4e2d&#xff0c;\u8bb0\u5f55\u5b8c\u6574\u7684\u8bf7\u6c42\u548c\u54cd\u5e94\u65e5\u5fd7\u5bf9\u4e8e\u6392\u67e5\u95ee\u9898\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">CachedBodyHttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StopWatch<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ContentCachingResponseWrapper<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletResponse<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>io<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">IOException<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>nio<span class=\"token punctuation\">.<\/span>charset<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StandardCharsets<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Enumeration<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HashMap<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Map<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u8bf7\u6c42\u65e5\u5fd7\u8fc7\u6ee4\u5668<br \/>\n * \u8bb0\u5f55\u8bf7\u6c42 URL\u3001\u65b9\u6cd5\u3001\u53c2\u6570\u3001\u8bf7\u6c42\u4f53\u3001\u54cd\u5e94\u4f53\u3001\u8017\u65f6\u7b49\u5b8c\u6574\u4fe1\u606f<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RequestLogFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6700\u5927\u8bb0\u5f55\u7684\u8bf7\u6c42\u4f53\u957f\u5ea6&#xff08;\u907f\u514d\u5927\u6587\u4ef6\u65e5\u5fd7\u7206\u70b8&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token constant\">MAX_BODY_LENGTH<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">2048<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u4e0d\u8bb0\u5f55\u65e5\u5fd7\u7684\u8def\u5f84\u524d\u7f00<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token constant\">EXCLUDE_PREFIXES<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token string\">&#034;\/static&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/public&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/webjars&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/swagger&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/v2\/api-docs&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/v3\/api-docs&#034;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u4e0d\u8bb0\u5f55\u65e5\u5fd7\u7684\u6587\u4ef6\u540e\u7f00<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token constant\">EXCLUDE_SUFFIXES<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token string\">&#034;.js&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;.css&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;.png&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;.jpg&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;.jpeg&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;.gif&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;.ico&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;.woff&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;.woff2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;.ttf&#034;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterChain<\/span> chain<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletException<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token class-name\">HttpServletRequest<\/span> httpRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span><span class=\"token punctuation\">)<\/span> request<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">HttpServletResponse<\/span> httpResponse <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletResponse<\/span><span class=\"token punctuation\">)<\/span> response<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">String<\/span> uri <span class=\"token operator\">&#061;<\/span> httpRequest<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6392\u9664\u4e0d\u9700\u8981\u8bb0\u5f55\u65e5\u5fd7\u7684\u8bf7\u6c42<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token function\">shouldSkipLog<\/span><span class=\"token punctuation\">(<\/span>uri<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token class-name\">StopWatch<\/span> stopWatch <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">StopWatch<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        stopWatch<span class=\"token punctuation\">.<\/span><span class=\"token function\">start<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5305\u88c5\u8bf7\u6c42\u548c\u54cd\u5e94&#xff0c;\u4ee5\u4fbf\u8bfb\u53d6\u8bf7\u6c42\u4f53\u548c\u54cd\u5e94\u4f53<\/span><br \/>\n        <span class=\"token class-name\">CachedBodyHttpServletRequest<\/span> cachedRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CachedBodyHttpServletRequest<\/span><span class=\"token punctuation\">(<\/span>httpRequest<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">ContentCachingResponseWrapper<\/span> cachedResponse <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ContentCachingResponseWrapper<\/span><span class=\"token punctuation\">(<\/span>httpResponse<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u8bb0\u5f55\u8bf7\u6c42\u65e5\u5fd7<\/span><br \/>\n            <span class=\"token function\">logRequest<\/span><span class=\"token punctuation\">(<\/span>cachedRequest<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u6267\u884c\u8bf7\u6c42<\/span><br \/>\n            chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>cachedRequest<span class=\"token punctuation\">,<\/span> cachedResponse<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">finally<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            stopWatch<span class=\"token punctuation\">.<\/span><span class=\"token function\">stop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u8bb0\u5f55\u54cd\u5e94\u65e5\u5fd7<\/span><br \/>\n            <span class=\"token function\">logResponse<\/span><span class=\"token punctuation\">(<\/span>cachedRequest<span class=\"token punctuation\">,<\/span> cachedResponse<span class=\"token punctuation\">,<\/span> stopWatch<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTotalTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5fc5\u987b\u5c06\u54cd\u5e94\u4f53\u5199\u56de\u539f\u59cb\u54cd\u5e94&#xff0c;\u5426\u5219\u5ba2\u6237\u7aef\u6536\u4e0d\u5230\u6570\u636e<\/span><br \/>\n            cachedResponse<span class=\"token punctuation\">.<\/span><span class=\"token function\">copyBodyToResponse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u8bb0\u5f55\u8bf7\u6c42\u65e5\u5fd7<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">logRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">CachedBodyHttpServletRequest<\/span> request<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">StringBuilder<\/span> sb <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">StringBuilder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u8bf7\u6c42\u5f00\u59cb &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;URL: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURL<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Method: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;URI: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;QueryString: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getQueryString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;RemoteAddr: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRemoteAddr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ContentType: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getContentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bb0\u5f55\u8bf7\u6c42\u5934<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Headers: \\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Enumeration<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> headerNames <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getHeaderNames<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">while<\/span> <span class=\"token punctuation\">(<\/span>headerNames<span class=\"token punctuation\">.<\/span><span class=\"token function\">hasMoreElements<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> headerName <span class=\"token operator\">&#061;<\/span> headerNames<span class=\"token punctuation\">.<\/span><span class=\"token function\">nextElement<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u654f\u611f\u5934\u4e0d\u8bb0\u5f55<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token string\">&#034;authorization&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equalsIgnoreCase<\/span><span class=\"token punctuation\">(<\/span>headerName<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span><span class=\"token string\">&#034;cookie&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equalsIgnoreCase<\/span><span class=\"token punctuation\">(<\/span>headerName<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;  &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>headerName<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getHeader<\/span><span class=\"token punctuation\">(<\/span>headerName<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bb0\u5f55\u8bf7\u6c42\u53c2\u6570&#xff08;\u8868\u5355&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">Map<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span> parameterMap <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getParameterMap<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>parameterMap <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>parameterMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Parameters: \\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            parameterMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">forEach<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span><br \/>\n                    sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;  &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>key<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">join<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;,&#034;<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bb0\u5f55\u8bf7\u6c42\u4f53&#xff08;JSON&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> body <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getCachedBody<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>body <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>body<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>body<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token constant\">MAX_BODY_LENGTH<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                body <span class=\"token operator\">&#061;<\/span> body<span class=\"token punctuation\">.<\/span><span class=\"token function\">substring<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">MAX_BODY_LENGTH<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;&#8230;(truncated)&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Body: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>body<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u8bf7\u6c42\u7ed3\u675f &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span>sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u8bb0\u5f55\u54cd\u5e94\u65e5\u5fd7<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">logResponse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ContentCachingResponseWrapper<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">long<\/span> cost<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">StringBuilder<\/span> sb <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">StringBuilder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u54cd\u5e94\u5f00\u59cb &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;URI: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Status: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Cost: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>cost<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ms\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bb0\u5f55\u54cd\u5e94\u4f53<\/span><br \/>\n        <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> content <span class=\"token operator\">&#061;<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getContentAsByteArray<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>content<span class=\"token punctuation\">.<\/span>length <span class=\"token operator\">&gt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> responseBody <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>content<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">UTF_8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>responseBody<span class=\"token punctuation\">.<\/span><span class=\"token function\">length<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&gt;<\/span> <span class=\"token constant\">MAX_BODY_LENGTH<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                responseBody <span class=\"token operator\">&#061;<\/span> responseBody<span class=\"token punctuation\">.<\/span><span class=\"token function\">substring<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">MAX_BODY_LENGTH<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;&#8230;(truncated)&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ResponseBody: &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span>responseBody<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\\\\n&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">append<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u54cd\u5e94\u7ed3\u675f &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span>sb<span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5224\u65ad\u662f\u5426\u8df3\u8fc7\u65e5\u5fd7\u8bb0\u5f55<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">shouldSkipLog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> uri<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> prefix <span class=\"token operator\">:<\/span> <span class=\"token constant\">EXCLUDE_PREFIXES<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>uri<span class=\"token punctuation\">.<\/span><span class=\"token function\">startsWith<\/span><span class=\"token punctuation\">(<\/span>prefix<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">for<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span> suffix <span class=\"token operator\">:<\/span> <span class=\"token constant\">EXCLUDE_SUFFIXES<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>uri<span class=\"token punctuation\">.<\/span><span class=\"token function\">endsWith<\/span><span class=\"token punctuation\">(<\/span>suffix<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>2.10 \u8fc7\u6ee4\u5668\u6267\u884c\u987a\u5e8f\u63a7\u5236<\/h4>\n<p>\u4f7f\u7528 FilterRegistrationBean \u63a7\u5236\u987a\u5e8f&#xff08;\u63a8\u8350&#xff09;&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FilterConfig<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Filter1<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">filter1Registration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Filter1<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Filter1<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addUrlPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u6570\u5b57\u8d8a\u5c0f&#xff0c;\u4f18\u5148\u7ea7\u8d8a\u9ad8<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Filter2<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">filter2Registration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Filter2<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">Filter2<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addUrlPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6267\u884c\u987a\u5e8f\u9a8c\u8bc1&#xff1a;<\/p>\n<p>\u8bf7\u6c42\u8fdb\u5165 \u2192 Filter1.doFilter() \u524d\u7f6e \u2192 Filter2.doFilter() \u524d\u7f6e \u2192 Controller<br \/>\n                                                                      \u2193<br \/>\n\u54cd\u5e94\u8fd4\u56de \u2190 Filter1.doFilter() \u540e\u7f6e \u2190 Filter2.doFilter() \u540e\u7f6e \u2190 \u89c6\u56fe\u6e32\u67d3<\/p>\n<p>\u6ce8\u610f&#xff1a;&#064;WebFilter \u6ce8\u89e3\u7684\u8fc7\u6ee4\u5668\u6267\u884c\u987a\u5e8f\u6309\u7c7b\u540d\u5b57\u6bcd\u987a\u5e8f\u6392\u5217&#xff0c;\u4e0d\u53ef\u63a7\u3002\u5982\u679c\u9700\u8981\u7cbe\u786e\u63a7\u5236\u987a\u5e8f&#xff0c;\u5fc5\u987b\u4f7f\u7528 FilterRegistrationBean\u3002<\/p>\n<hr \/>\n<h3>\u4e09\u3001\u62e6\u622a\u5668 Interceptor \u8be6\u89e3\u4e0e\u5b9e\u6218<\/h3>\n<h4>3.1 Interceptor \u539f\u7406\u4e0e\u751f\u547d\u5468\u671f<\/h4>\n<p>\u62e6\u622a\u5668\u662f Spring MVC \u63d0\u4f9b\u7684\u7ec4\u4ef6&#xff0c;\u5728 DispatcherServlet \u5185\u90e8\u6267\u884c&#xff0c;\u7528\u4e8e\u5728 Controller \u65b9\u6cd5\u6267\u884c\u524d\u540e\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>HandlerInterceptor \u63a5\u53e3\u6e90\u7801&#xff1a;<\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">interface<\/span> <span class=\"token class-name\">HandlerInterceptor<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5728 Controller \u65b9\u6cd5\u6267\u884c\u4e4b\u524d\u8c03\u7528<br \/>\n     * &#064;return true \u7ee7\u7eed\u6267\u884c&#xff08;\u4e0b\u4e00\u4e2a\u62e6\u622a\u5668\u6216 Controller&#xff09;&#xff1b;false \u4e2d\u65ad\u8bf7\u6c42<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">preHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                               <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5728 Controller \u65b9\u6cd5\u6267\u884c\u4e4b\u540e\u3001\u89c6\u56fe\u6e32\u67d3\u4e4b\u524d\u8c03\u7528<br \/>\n     * \u53ef\u4ee5\u4fee\u6539 ModelAndView<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">postHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                             <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ModelAndView<\/span> modelAndView<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5728\u6574\u4e2a\u8bf7\u6c42\u5b8c\u6210\u4e4b\u540e&#xff08;\u89c6\u56fe\u6e32\u67d3\u7ed3\u675f&#xff09;\u8c03\u7528<br \/>\n     * \u901a\u5e38\u7528\u4e8e\u8d44\u6e90\u6e05\u7406<br \/>\n     * \u53ea\u6709 preHandle \u8fd4\u56de true \u7684\u62e6\u622a\u5668\u624d\u4f1a\u6267\u884c\u6b64\u65b9\u6cd5<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">default<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">afterCompletion<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                                  <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Exception<\/span> ex<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u751f\u547d\u5468\u671f\u4e0e\u6267\u884c\u65f6\u673a&#xff1a;<\/p>\n<p>DispatcherServlet.doDispatch()<br \/>\n    \u2502<br \/>\n    \u251c\u2500\u2500 1. \u83b7\u53d6 Handler&#xff08;Controller \u65b9\u6cd5&#xff09;<br \/>\n    \u2502<br \/>\n    \u251c\u2500\u2500 2. \u6267\u884c\u62e6\u622a\u5668\u94fe\u7684 preHandle()<br \/>\n    \u2502      \u251c\u2500\u2500 Interceptor1.preHandle() \u2192 true<br \/>\n    \u2502      \u251c\u2500\u2500 Interceptor2.preHandle() \u2192 true<br \/>\n    \u2502      \u2514\u2500\u2500 &#8230; \u5168\u90e8\u8fd4\u56de true \u624d\u7ee7\u7eed<br \/>\n    \u2502         &#xff08;\u5982\u679c\u67d0\u4e2a\u8fd4\u56de false&#xff0c;\u6267\u884c\u5df2\u901a\u8fc7\u62e6\u622a\u5668\u7684 afterCompletion&#xff0c;\u7136\u540e\u8fd4\u56de&#xff09;<br \/>\n    \u2502<br \/>\n    \u251c\u2500\u2500 3. \u6267\u884c Controller \u65b9\u6cd5&#xff08;ha.handle()&#xff09;<br \/>\n    \u2502<br \/>\n    \u251c\u2500\u2500 4. \u6267\u884c\u62e6\u622a\u5668\u94fe\u7684 postHandle()&#xff08;\u5012\u5e8f&#xff09;<br \/>\n    \u2502      \u251c\u2500\u2500 Interceptor2.postHandle()<br \/>\n    \u2502      \u2514\u2500\u2500 Interceptor1.postHandle()<br \/>\n    \u2502<br \/>\n    \u251c\u2500\u2500 5. \u6e32\u67d3\u89c6\u56fe&#xff08;processDispatchResult&#xff09;<br \/>\n    \u2502<br \/>\n    \u2514\u2500\u2500 6. \u6267\u884c\u62e6\u622a\u5668\u94fe\u7684 afterCompletion()&#xff08;\u5012\u5e8f&#xff09;<br \/>\n           \u251c\u2500\u2500 Interceptor2.afterCompletion()<br \/>\n           \u2514\u2500\u2500 Interceptor1.afterCompletion()<\/p>\n<h4>3.2 \u5b9e\u73b0\u65b9\u5f0f&#xff1a;HandlerInterceptor \u63a5\u53e3<\/h4>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>interceptor<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HandlerInterceptor<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ModelAndView<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletResponse<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u81ea\u5b9a\u4e49\u62e6\u622a\u5668\u793a\u4f8b<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyInterceptor<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HandlerInterceptor<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">preHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                             <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;MyInterceptor preHandle &#8211; \u8bf7\u6c42\u8def\u5f84: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ handler \u901a\u5e38\u662f HandlerMethod \u5bf9\u8c61&#xff0c;\u53ef\u4ee5\u83b7\u53d6 Controller \u65b9\u6cd5\u4fe1\u606f<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>handler <span class=\"token keyword\">instanceof<\/span> <span class=\"token class-name\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>method<span class=\"token punctuation\">.<\/span><\/span>HandlerMethod<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>method<span class=\"token punctuation\">.<\/span><\/span>HandlerMethod<\/span> handlerMethod <span class=\"token operator\">&#061;<\/span><br \/>\n                    <span class=\"token punctuation\">(<\/span><span class=\"token class-name\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>method<span class=\"token punctuation\">.<\/span><\/span>HandlerMethod<\/span><span class=\"token punctuation\">)<\/span> handler<span class=\"token punctuation\">;<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Controller \u7c7b: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> handlerMethod<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBeanType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getSimpleName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Controller \u65b9\u6cd5: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> handlerMethod<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8fd4\u56de true \u7ee7\u7eed\u6267\u884c&#xff0c;\u8fd4\u56de false \u4e2d\u65ad\u8bf7\u6c42<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">postHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                           <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ModelAndView<\/span> modelAndView<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;MyInterceptor postHandle &#8211; \u8bf7\u6c42\u8def\u5f84: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u53ef\u4ee5\u4fee\u6539 ModelAndView&#xff0c;\u5982\u6dfb\u52a0\u516c\u5171\u6570\u636e<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>modelAndView <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            modelAndView<span class=\"token punctuation\">.<\/span><span class=\"token function\">addObject<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;serverTime&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">afterCompletion<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                                <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Exception<\/span> ex<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;MyInterceptor afterCompletion &#8211; \u8bf7\u6c42\u8def\u5f84: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>ex <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8bf7\u6c42\u5904\u7406\u53d1\u751f\u5f02\u5e38&#034;<\/span><span class=\"token punctuation\">,<\/span> ex<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8d44\u6e90\u6e05\u7406&#xff0c;\u5982\u79fb\u9664 ThreadLocal \u4e2d\u7684\u6570\u636e<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.3 \u6ce8\u518c\u914d\u7f6e&#xff1a;WebMvcConfigurer<\/h4>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>interceptor<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">LoginInterceptor<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>interceptor<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">PerformanceInterceptor<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>interceptor<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">PermissionInterceptor<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>config<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">InterceptorRegistry<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>config<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">WebMvcConfigurer<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * Web MVC \u914d\u7f6e\u7c7b<br \/>\n * \u6ce8\u518c\u62e6\u622a\u5668\u3001\u914d\u7f6e\u9759\u6001\u8d44\u6e90\u3001\u8de8\u57df\u7b49<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">WebMvcConfig<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">WebMvcConfigurer<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">LoginInterceptor<\/span> loginInterceptor<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">PermissionInterceptor<\/span> permissionInterceptor<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">PerformanceInterceptor<\/span> performanceInterceptor<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">addInterceptors<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">InterceptorRegistry<\/span> registry<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6ce8\u518c\u6027\u80fd\u76d1\u63a7\u62e6\u622a\u5668&#xff0c;\u4f18\u5148\u7ea7\u6700\u9ad8&#xff08;\u6700\u5148\u6267\u884c preHandle&#xff0c;\u6700\u540e\u6267\u884c postHandle\/afterCompletion&#xff09;<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>performanceInterceptor<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">excludePathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/static\/**&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/public\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6ce8\u518c\u767b\u5f55\u6821\u9a8c\u62e6\u622a\u5668<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>loginInterceptor<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/**&#034;<\/span><span class=\"token punctuation\">)<\/span>           <span class=\"token comment\">\/\/ \u62e6\u622a\u6240\u6709 \/api \u5f00\u5934\u7684\u8bf7\u6c42<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">excludePathPatterns<\/span><span class=\"token punctuation\">(<\/span>                   <span class=\"token comment\">\/\/ \u6392\u9664\u4e0d\u9700\u8981\u767b\u5f55\u7684\u8def\u5f84<\/span><br \/>\n                        <span class=\"token string\">&#034;\/api\/user\/login&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/api\/user\/register&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/api\/user\/sendCode&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/api\/doc\/**&#034;<\/span><br \/>\n                <span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6ce8\u518c\u6743\u9650\u6821\u9a8c\u62e6\u622a\u5668<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>permissionInterceptor<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/admin\/**&#034;<\/span><span class=\"token punctuation\">)<\/span>     <span class=\"token comment\">\/\/ \u53ea\u62e6\u622a\u7ba1\u7406\u5458\u63a5\u53e3<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8def\u5f84\u5339\u914d\u89c4\u5219&#xff1a;<\/p>\n<ul>\n<li>? \u5339\u914d\u4e00\u4e2a\u5b57\u7b26<\/li>\n<li>* \u5339\u914d\u96f6\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26&#xff08;\u5355\u5c42\u8def\u5f84&#xff09;<\/li>\n<li>** \u5339\u914d\u96f6\u4e2a\u6216\u591a\u4e2a\u76ee\u5f55&#xff08;\u591a\u5c42\u8def\u5f84&#xff09;<\/li>\n<li>\u793a\u4f8b&#xff1a;\/api\/** \u5339\u914d \/api\/user\u3001\/api\/user\/1\u3001\/api\/order\/list \u7b49<\/li>\n<\/ul>\n<h4>3.4 \u5b9e\u6218\u4e00&#xff1a;\u767b\u5f55\u72b6\u6001\u6821\u9a8c\u62e6\u622a\u5668<\/h4>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>interceptor<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">UserContext<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">UserInfo<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>result<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Result<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>result<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ResultCode<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">JwtUtils<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>fasterxml<span class=\"token punctuation\">.<\/span>jackson<span class=\"token punctuation\">.<\/span>databind<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ObjectMapper<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HandlerInterceptor<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletResponse<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u767b\u5f55\u72b6\u6001\u6821\u9a8c\u62e6\u622a\u5668<br \/>\n * \u6821\u9a8c\u8bf7\u6c42\u5934\u4e2d\u7684 Token&#xff0c;\u89e3\u6790\u7528\u6237\u4fe1\u606f\u5e76\u5b58\u5165 ThreadLocal<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">LoginInterceptor<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HandlerInterceptor<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">JwtUtils<\/span> jwtUtils<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ObjectMapper<\/span> <span class=\"token constant\">OBJECT_MAPPER<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ObjectMapper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">preHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                             <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 1. \u4ece\u8bf7\u6c42\u5934\u83b7\u53d6 Token<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> token <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getHeader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Authorization&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>token <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> token<span class=\"token punctuation\">.<\/span><span class=\"token function\">startsWith<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Bearer &#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            token <span class=\"token operator\">&#061;<\/span> token<span class=\"token punctuation\">.<\/span><span class=\"token function\">substring<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">7<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. Token \u4e3a\u7a7a&#xff0c;\u8fd4\u56de\u672a\u767b\u5f55<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>token <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">||<\/span> token<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">writeUnauthorizedResponse<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u672a\u767b\u5f55\u6216\u767b\u5f55\u5df2\u8fc7\u671f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 3. \u6821\u9a8c Token \u6709\u6548\u6027<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>jwtUtils<span class=\"token punctuation\">.<\/span><span class=\"token function\">validateToken<\/span><span class=\"token punctuation\">(<\/span>token<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">writeUnauthorizedResponse<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Token\u65e0\u6548\u6216\u5df2\u8fc7\u671f&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 4. \u89e3\u6790\u7528\u6237\u4fe1\u606f<\/span><br \/>\n        <span class=\"token class-name\">UserInfo<\/span> userInfo <span class=\"token operator\">&#061;<\/span> jwtUtils<span class=\"token punctuation\">.<\/span><span class=\"token function\">parseToken<\/span><span class=\"token punctuation\">(<\/span>token<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>userInfo <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">writeUnauthorizedResponse<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;Token\u89e3\u6790\u5931\u8d25&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 5. \u5c06\u7528\u6237\u4fe1\u606f\u5b58\u5165 ThreadLocal&#xff0c;\u4f9b\u540e\u7eed\u4e1a\u52a1\u4f7f\u7528<\/span><br \/>\n        <span class=\"token class-name\">UserContext<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setUser<\/span><span class=\"token punctuation\">(<\/span>userInfo<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u767b\u5f55\u6821\u9a8c\u901a\u8fc7&#xff0c;userId: {}, userName: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> userInfo<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUserId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> userInfo<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUserName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">afterCompletion<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                                <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Exception<\/span> ex<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5fc5\u987b\u6e05\u7406 ThreadLocal&#xff0c;\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f<\/span><br \/>\n        <span class=\"token class-name\">UserContext<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5199\u5165\u672a\u767b\u5f55\u54cd\u5e94<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">writeUnauthorizedResponse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> message<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        response<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletResponse<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">SC_UNAUTHORIZED<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        response<span class=\"token punctuation\">.<\/span><span class=\"token function\">setContentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;application\/json;charset&#061;UTF-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">fail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ResultCode<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">UNAUTHORIZED<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getCode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getWriter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">OBJECT_MAPPER<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">writeValueAsString<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>UserContext \u5de5\u5177\u7c7b&#xff1a;<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u7528\u6237\u4e0a\u4e0b\u6587&#xff0c;\u57fa\u4e8e ThreadLocal \u5b58\u50a8\u5f53\u524d\u767b\u5f55\u7528\u6237\u4fe1\u606f<br \/>\n *\/<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UserContext<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ThreadLocal<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">UserInfo<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token constant\">USER_THREAD_LOCAL<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ThreadLocal<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">setUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">UserInfo<\/span> userInfo<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token constant\">USER_THREAD_LOCAL<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>userInfo<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">UserInfo<\/span> <span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token constant\">USER_THREAD_LOCAL<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token class-name\">Long<\/span> <span class=\"token function\">getUserId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">UserInfo<\/span> user <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">USER_THREAD_LOCAL<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> user <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> user<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUserId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token constant\">USER_THREAD_LOCAL<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">remove<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.5 \u5b9e\u6218\u4e8c&#xff1a;\u63a5\u53e3\u6743\u9650\u6821\u9a8c\u62e6\u622a\u5668&#xff08;RBAC&#xff09;<\/h4>\n<p>\u57fa\u4e8e\u81ea\u5b9a\u4e49\u6ce8\u89e3 &#043; \u62e6\u622a\u5668\u5b9e\u73b0\u7ec6\u7c92\u5ea6\u7684\u63a5\u53e3\u6743\u9650\u63a7\u5236\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65&#xff1a;\u5b9a\u4e49\u6743\u9650\u6ce8\u89e3<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>annotation<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>lang<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u63a5\u53e3\u6743\u9650\u6821\u9a8c\u6ce8\u89e3<br \/>\n * \u6807\u6ce8\u5728 Controller \u65b9\u6cd5\u4e0a&#xff0c;\u6307\u5b9a\u8bbf\u95ee\u8be5\u63a5\u53e3\u6240\u9700\u7684\u6743\u9650<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Target<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token class-name\">ElementType<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">METHOD<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ElementType<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">TYPE<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Retention<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RetentionPolicy<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">RUNTIME<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Documented<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token annotation punctuation\">&#064;interface<\/span> <span class=\"token class-name\">RequirePermission<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6240\u9700\u6743\u9650\u6807\u8bc6&#xff08;\u5982 &#034;user:list&#034;, &#034;user:delete&#034;&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token function\">value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6743\u9650\u6821\u9a8c\u903b\u8f91&#xff1a;AND&#xff08;\u5168\u90e8\u62e5\u6709&#xff09;\/ OR&#xff08;\u62e5\u6709\u5176\u4e00&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token class-name\">Logical<\/span> <span class=\"token function\">logical<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token class-name\">Logical<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">AND<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">enum<\/span> <span class=\"token class-name\">Logical<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token constant\">AND<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token constant\">OR<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;\u6743\u9650\u6821\u9a8c\u62e6\u622a\u5668<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>interceptor<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RequirePermission<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">UserContext<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">UserInfo<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>result<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Result<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>result<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ResultCode<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>service<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">PermissionService<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>fasterxml<span class=\"token punctuation\">.<\/span>jackson<span class=\"token punctuation\">.<\/span>databind<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ObjectMapper<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>method<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HandlerMethod<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HandlerInterceptor<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletResponse<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Arrays<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Set<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u63a5\u53e3\u6743\u9650\u6821\u9a8c\u62e6\u622a\u5668<br \/>\n * \u57fa\u4e8e &#064;RequirePermission \u6ce8\u89e3\u8fdb\u884c RBAC \u6743\u9650\u6821\u9a8c<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">PermissionInterceptor<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HandlerInterceptor<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">PermissionService<\/span> permissionService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ObjectMapper<\/span> <span class=\"token constant\">OBJECT_MAPPER<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ObjectMapper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">preHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                             <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u53ea\u5904\u7406 HandlerMethod&#xff08;Controller \u65b9\u6cd5&#xff09;&#xff0c;\u9759\u6001\u8d44\u6e90\u7b49\u4e0d\u5904\u7406<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token punctuation\">(<\/span>handler <span class=\"token keyword\">instanceof<\/span> <span class=\"token class-name\">HandlerMethod<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token class-name\">HandlerMethod<\/span> handlerMethod <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HandlerMethod<\/span><span class=\"token punctuation\">)<\/span> handler<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 1. \u5148\u68c0\u67e5\u7c7b\u4e0a\u7684\u6ce8\u89e3<\/span><br \/>\n        <span class=\"token class-name\">RequirePermission<\/span> classAnnotation <span class=\"token operator\">&#061;<\/span> handlerMethod<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBeanType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getAnnotation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RequirePermission<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ 2. \u518d\u68c0\u67e5\u65b9\u6cd5\u4e0a\u7684\u6ce8\u89e3&#xff08;\u65b9\u6cd5\u4e0a\u7684\u6ce8\u89e3\u4f18\u5148\u7ea7\u66f4\u9ad8&#xff09;<\/span><br \/>\n        <span class=\"token class-name\">RequirePermission<\/span> methodAnnotation <span class=\"token operator\">&#061;<\/span> handlerMethod<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMethodAnnotation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RequirePermission<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6ca1\u6709\u6743\u9650\u6ce8\u89e3&#xff0c;\u653e\u884c<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>classAnnotation <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> methodAnnotation <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u65b9\u6cd5\u4e0a\u7684\u6ce8\u89e3\u8986\u76d6\u7c7b\u4e0a\u7684\u6ce8\u89e3<\/span><br \/>\n        <span class=\"token class-name\">RequirePermission<\/span> annotation <span class=\"token operator\">&#061;<\/span> methodAnnotation <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> methodAnnotation <span class=\"token operator\">:<\/span> classAnnotation<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 3. \u83b7\u53d6\u5f53\u524d\u767b\u5f55\u7528\u6237<\/span><br \/>\n        <span class=\"token class-name\">UserInfo<\/span> userInfo <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">UserContext<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>userInfo <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">writeForbiddenResponse<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u672a\u767b\u5f55&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 4. \u83b7\u53d6\u7528\u6237\u62e5\u6709\u7684\u6743\u9650\u5217\u8868<\/span><br \/>\n        <span class=\"token class-name\">Set<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> userPermissions <span class=\"token operator\">&#061;<\/span> permissionService<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUserPermissions<\/span><span class=\"token punctuation\">(<\/span>userInfo<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUserId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 5. \u6821\u9a8c\u6743\u9650<\/span><br \/>\n        <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> requiredPermissions <span class=\"token operator\">&#061;<\/span> annotation<span class=\"token punctuation\">.<\/span><span class=\"token function\">value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">boolean<\/span> hasPermission<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>annotation<span class=\"token punctuation\">.<\/span><span class=\"token function\">logical<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token class-name\">RequirePermission<span class=\"token punctuation\">.<\/span>Logical<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">AND<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ AND&#xff1a;\u5fc5\u987b\u62e5\u6709\u5168\u90e8\u6743\u9650<\/span><br \/>\n            hasPermission <span class=\"token operator\">&#061;<\/span> userPermissions<span class=\"token punctuation\">.<\/span><span class=\"token function\">containsAll<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Arrays<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">asList<\/span><span class=\"token punctuation\">(<\/span>requiredPermissions<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ OR&#xff1a;\u62e5\u6709\u4efb\u4e00\u6743\u9650\u5373\u53ef<\/span><br \/>\n            hasPermission <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Arrays<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">stream<\/span><span class=\"token punctuation\">(<\/span>requiredPermissions<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">anyMatch<\/span><span class=\"token punctuation\">(<\/span>userPermissions<span class=\"token operator\">::<\/span><span class=\"token function\">contains<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span>hasPermission<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u65e0\u6743\u9650\u8bbf\u95ee&#xff0c;userId: {}, \u6240\u9700\u6743\u9650: {}, \u62e5\u6709\u6743\u9650: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    userInfo<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUserId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Arrays<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">toString<\/span><span class=\"token punctuation\">(<\/span>requiredPermissions<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> userPermissions<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">writeForbiddenResponse<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u6743\u9650\u4e0d\u8db3&#xff0c;\u65e0\u6cd5\u8bbf\u95ee\u8be5\u63a5\u53e3&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">writeForbiddenResponse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> message<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        response<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletResponse<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">SC_FORBIDDEN<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        response<span class=\"token punctuation\">.<\/span><span class=\"token function\">setContentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;application\/json;charset&#061;UTF-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">fail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ResultCode<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">PERMISSION_DENIED<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getCode<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getWriter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">OBJECT_MAPPER<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">writeValueAsString<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f7f\u7528\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/admin\/user&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RequirePermission<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;user:manage&#034;<\/span><span class=\"token punctuation\">)<\/span>  <span class=\"token comment\">\/\/ \u7c7b\u7ea7\u522b&#xff0c;\u6240\u6709\u65b9\u6cd5\u90fd\u9700\u8981 user:manage \u6743\u9650<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UserAdminController<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;GetMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/list&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;RequirePermission<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;user:list&#034;<\/span><span class=\"token punctuation\">)<\/span>   <span class=\"token comment\">\/\/ \u65b9\u6cd5\u7ea7\u522b&#xff0c;\u9700\u8981 user:list \u6743\u9650<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">PageResult<\/span><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">UserVO<\/span><span class=\"token punctuation\">&gt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">list<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;PostMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/delete&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;RequirePermission<\/span><span class=\"token punctuation\">(<\/span>value <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;user:delete&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;user:manage&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> logical <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">RequirePermission<span class=\"token punctuation\">.<\/span>Logical<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">OR<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">delete<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestParam<\/span> <span class=\"token class-name\">Long<\/span> id<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ &#8230;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.6 \u5b9e\u6218\u4e09&#xff1a;\u63a5\u53e3\u6027\u80fd\u76d1\u63a7\u62e6\u622a\u5668<\/h4>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>interceptor<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">io<span class=\"token punctuation\">.<\/span>micrometer<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span>instrument<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MeterRegistry<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">io<span class=\"token punctuation\">.<\/span>micrometer<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span>instrument<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Timer<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>method<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HandlerMethod<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HandlerInterceptor<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ModelAndView<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletResponse<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>time<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Duration<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u63a5\u53e3\u6027\u80fd\u76d1\u63a7\u62e6\u622a\u5668<br \/>\n * \u8bb0\u5f55\u6bcf\u4e2a\u63a5\u53e3\u7684\u6267\u884c\u8017\u65f6&#xff0c;\u6162\u63a5\u53e3\u544a\u8b66&#xff0c;Micrometer \u6307\u6807\u57cb\u70b9<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">PerformanceInterceptor<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HandlerInterceptor<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6162\u63a5\u53e3\u9608\u503c&#xff08;\u6beb\u79d2&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token keyword\">long<\/span> <span class=\"token constant\">SLOW_API_THRESHOLD<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3000<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token constant\">START_TIME_ATTR<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;performance_start_time&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">MeterRegistry<\/span> meterRegistry<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">preHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                             <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u8bb0\u5f55\u5f00\u59cb\u65f6\u95f4<\/span><br \/>\n        request<span class=\"token punctuation\">.<\/span><span class=\"token function\">setAttribute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">START_TIME_ATTR<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">postHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                           <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ModelAndView<\/span> modelAndView<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u8bb0\u5f55 Controller \u65b9\u6cd5\u6267\u884c\u8017\u65f6&#xff08;\u4e0d\u542b\u89c6\u56fe\u6e32\u67d3&#xff09;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">afterCompletion<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                                <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Exception<\/span> ex<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Long<\/span> startTime <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Long<\/span><span class=\"token punctuation\">)<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAttribute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">START_TIME_ATTR<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>startTime <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">long<\/span> cost <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> startTime<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> uri <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> method <span class=\"token operator\">&#061;<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> status <span class=\"token operator\">&#061;<\/span> response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 1. \u8bb0\u5f55\u8017\u65f6\u65e5\u5fd7<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>cost <span class=\"token operator\">&gt;<\/span> <span class=\"token constant\">SLOW_API_THRESHOLD<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6162\u63a5\u53e3\u544a\u8b66&#xff0c;URI: {}&#xff0c;Method: {}&#xff0c;Status: {}&#xff0c;\u8017\u65f6: {}ms&#xff08;\u8d85\u8fc7\u9608\u503c {}ms&#xff09;&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    uri<span class=\"token punctuation\">,<\/span> method<span class=\"token punctuation\">,<\/span> status<span class=\"token punctuation\">,<\/span> cost<span class=\"token punctuation\">,<\/span> <span class=\"token constant\">SLOW_API_THRESHOLD<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">else<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u63a5\u53e3\u8017\u65f6&#xff0c;URI: {}&#xff0c;Method: {}&#xff0c;Status: {}&#xff0c;\u8017\u65f6: {}ms&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    uri<span class=\"token punctuation\">,<\/span> method<span class=\"token punctuation\">,<\/span> status<span class=\"token punctuation\">,<\/span> cost<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. Micrometer \u6307\u6807\u57cb\u70b9<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>handler <span class=\"token keyword\">instanceof<\/span> <span class=\"token class-name\">HandlerMethod<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">HandlerMethod<\/span> handlerMethod <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HandlerMethod<\/span><span class=\"token punctuation\">)<\/span> handler<span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> className <span class=\"token operator\">&#061;<\/span> handlerMethod<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBeanType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getSimpleName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> methodName <span class=\"token operator\">&#061;<\/span> handlerMethod<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token class-name\">Timer<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">builder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;api.request.duration&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">description<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u63a5\u53e3\u8bf7\u6c42\u8017\u65f6&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">tag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;uri&#034;<\/span><span class=\"token punctuation\">,<\/span> uri<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">tag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;method&#034;<\/span><span class=\"token punctuation\">,<\/span> method<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">tag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;class&#034;<\/span><span class=\"token punctuation\">,<\/span> className<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">tag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;methodName&#034;<\/span><span class=\"token punctuation\">,<\/span> methodName<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">tag<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;status&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">valueOf<\/span><span class=\"token punctuation\">(<\/span>status<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">register<\/span><span class=\"token punctuation\">(<\/span>meterRegistry<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">record<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Duration<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">ofMillis<\/span><span class=\"token punctuation\">(<\/span>cost<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.7 \u5b9e\u6218\u56db&#xff1a;\u63a5\u53e3\u9632\u91cd\u590d\u63d0\u4ea4\u62e6\u622a\u5668<\/h4>\n<p>\u57fa\u4e8e Redis &#043; \u81ea\u5b9a\u4e49\u6ce8\u89e3\u5b9e\u73b0\u63a5\u53e3\u9632\u91cd\u590d\u63d0\u4ea4\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65&#xff1a;\u9632\u91cd\u590d\u63d0\u4ea4\u6ce8\u89e3<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>annotation<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>lang<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>concurrent<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">TimeUnit<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u9632\u91cd\u590d\u63d0\u4ea4\u6ce8\u89e3<br \/>\n * \u6807\u6ce8\u5728 Controller \u65b9\u6cd5\u4e0a&#xff0c;\u6307\u5b9a\u65f6\u95f4\u5185\u4e0d\u5141\u8bb8\u91cd\u590d\u63d0\u4ea4<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Target<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ElementType<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">METHOD<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Retention<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RetentionPolicy<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">RUNTIME<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Documented<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token annotation punctuation\">&#064;interface<\/span> <span class=\"token class-name\">RepeatSubmit<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u95f4\u9694\u65f6\u95f4&#xff08;\u9ed8\u8ba4 5 \u79d2&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">int<\/span> <span class=\"token function\">interval<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u65f6\u95f4\u5355\u4f4d<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token class-name\">TimeUnit<\/span> <span class=\"token function\">timeUnit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token class-name\">TimeUnit<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">SECONDS<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u63d0\u793a\u4fe1\u606f<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token class-name\">String<\/span> <span class=\"token function\">message<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token string\">&#034;\u8bf7\u52ff\u91cd\u590d\u63d0\u4ea4&#034;<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;\u9632\u91cd\u590d\u63d0\u4ea4\u62e6\u622a\u5668<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>interceptor<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">RepeatSubmit<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">UserContext<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>result<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Result<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>fasterxml<span class=\"token punctuation\">.<\/span>jackson<span class=\"token punctuation\">.<\/span>databind<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ObjectMapper<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">.<\/span>redis<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StringRedisTemplate<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>method<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HandlerMethod<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HandlerInterceptor<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletResponse<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>concurrent<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">TimeUnit<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u9632\u91cd\u590d\u63d0\u4ea4\u62e6\u622a\u5668<br \/>\n * \u57fa\u4e8e Redis \u5b9e\u73b0&#xff0c;\u540c\u4e00\u7528\u6237\u540c\u4e00\u63a5\u53e3\u5728\u6307\u5b9a\u65f6\u95f4\u5185\u53ea\u80fd\u63d0\u4ea4\u4e00\u6b21<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RepeatSubmitInterceptor<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HandlerInterceptor<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">StringRedisTemplate<\/span> redisTemplate<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">ObjectMapper<\/span> <span class=\"token constant\">OBJECT_MAPPER<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ObjectMapper<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token constant\">REPEAT_SUBMIT_KEY_PREFIX<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;repeat_submit:&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">preHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                             <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token punctuation\">(<\/span>handler <span class=\"token keyword\">instanceof<\/span> <span class=\"token class-name\">HandlerMethod<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token class-name\">HandlerMethod<\/span> handlerMethod <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HandlerMethod<\/span><span class=\"token punctuation\">)<\/span> handler<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">RepeatSubmit<\/span> annotation <span class=\"token operator\">&#061;<\/span> handlerMethod<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMethodAnnotation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RepeatSubmit<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6ca1\u6709\u9632\u91cd\u590d\u63d0\u4ea4\u6ce8\u89e3&#xff0c;\u653e\u884c<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>annotation <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 1. \u6784\u5efa\u552f\u4e00\u6807\u8bc6&#xff1a;\u7528\u6237ID &#043; \u8bf7\u6c42URI &#043; \u8bf7\u6c42\u65b9\u6cd5<\/span><br \/>\n        <span class=\"token class-name\">Long<\/span> userId <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">UserContext<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getUserId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> userKey <span class=\"token operator\">&#061;<\/span> userId <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">valueOf<\/span><span class=\"token punctuation\">(<\/span>userId<span class=\"token punctuation\">)<\/span> <span class=\"token operator\">:<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRemoteAddr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> redisKey <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">REPEAT_SUBMIT_KEY_PREFIX<\/span> <span class=\"token operator\">&#043;<\/span> userKey <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&#043;<\/span><br \/>\n                request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;:&#034;<\/span> <span class=\"token operator\">&#043;<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u5c1d\u8bd5\u8bbe\u7f6e key&#xff08;setIfAbsent \u7b49\u4ef7\u4e8e SETNX&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> interval <span class=\"token operator\">&#061;<\/span> annotation<span class=\"token punctuation\">.<\/span><span class=\"token function\">interval<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">TimeUnit<\/span> timeUnit <span class=\"token operator\">&#061;<\/span> annotation<span class=\"token punctuation\">.<\/span><span class=\"token function\">timeUnit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Boolean<\/span> success <span class=\"token operator\">&#061;<\/span> redisTemplate<span class=\"token punctuation\">.<\/span><span class=\"token function\">opsForValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setIfAbsent<\/span><span class=\"token punctuation\">(<\/span>redisKey<span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;1&#034;<\/span><span class=\"token punctuation\">,<\/span> interval<span class=\"token punctuation\">,<\/span> timeUnit<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 3. \u5982\u679c key \u5df2\u5b58\u5728&#xff0c;\u8bf4\u660e\u91cd\u590d\u63d0\u4ea4<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Boolean<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">FALSE<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equals<\/span><span class=\"token punctuation\">(<\/span>success<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">warn<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u91cd\u590d\u63d0\u4ea4\u62e6\u622a&#xff0c;userId: {}, URI: {}, \u95f4\u9694: {}{}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    userKey<span class=\"token punctuation\">,<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> interval<span class=\"token punctuation\">,<\/span> timeUnit<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token function\">writeRepeatSubmitResponse<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">,<\/span> annotation<span class=\"token punctuation\">.<\/span><span class=\"token function\">message<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">false<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">writeRepeatSubmitResponse<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> message<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Exception<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        response<span class=\"token punctuation\">.<\/span><span class=\"token function\">setStatus<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletResponse<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">SC_OK<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        response<span class=\"token punctuation\">.<\/span><span class=\"token function\">setContentType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;application\/json;charset&#061;UTF-8&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Void<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> result <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">fail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;40006&#034;<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        response<span class=\"token punctuation\">.<\/span><span class=\"token function\">getWriter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">write<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">OBJECT_MAPPER<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">writeValueAsString<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u4f7f\u7528\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;PostMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/order\/create&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RepeatSubmit<\/span><span class=\"token punctuation\">(<\/span>interval <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">3<\/span><span class=\"token punctuation\">,<\/span> message <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\u8ba2\u5355\u6b63\u5728\u5904\u7406\u4e2d&#xff0c;\u8bf7\u52ff\u91cd\u590d\u63d0\u4ea4&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">OrderVO<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">createOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token annotation punctuation\">&#064;RequestBody<\/span> <span class=\"token annotation punctuation\">&#064;Valid<\/span> <span class=\"token class-name\">OrderCreateDTO<\/span> dto<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4e1a\u52a1\u903b\u8f91<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.8 \u5b9e\u6218\u4e94&#xff1a;\u6570\u636e\u6743\u9650\u8fc7\u6ee4\u62e6\u622a\u5668&#xff08;MyBatis \u63d2\u4ef6\u914d\u5408&#xff09;<\/h4>\n<p>\u6570\u636e\u6743\u9650\u662f\u6307\u4e0d\u540c\u7528\u6237\u53ea\u80fd\u770b\u5230\u81ea\u5df1\u6743\u9650\u8303\u56f4\u5185\u7684\u6570\u636e&#xff08;\u5982\u90e8\u95e8\u7ecf\u7406\u53ea\u80fd\u770b\u5230\u672c\u90e8\u95e8\u6570\u636e&#xff09;\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65&#xff1a;\u6570\u636e\u6743\u9650\u6ce8\u89e3<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>annotation<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>lang<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u6570\u636e\u6743\u9650\u6ce8\u89e3<br \/>\n * \u6807\u6ce8\u5728 Controller \u65b9\u6cd5\u6216 Mapper \u65b9\u6cd5\u4e0a&#xff0c;\u6307\u5b9a\u6570\u636e\u6743\u9650\u8fc7\u6ee4\u89c4\u5219<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Target<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token class-name\">ElementType<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">METHOD<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ElementType<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">TYPE<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Retention<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">RetentionPolicy<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">RUNTIME<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Documented<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token annotation punctuation\">&#064;interface<\/span> <span class=\"token class-name\">DataScope<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u90e8\u95e8\u8868\u522b\u540d&#xff08;SQL \u4e2d\u90e8\u95e8 ID \u6240\u5728\u8868\u7684\u522b\u540d&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token class-name\">String<\/span> <span class=\"token function\">deptAlias<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token string\">&#034;d&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u7528\u6237\u8868\u522b\u540d&#xff08;SQL \u4e2d\u7528\u6237 ID \u6240\u5728\u8868\u7684\u522b\u540d&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token class-name\">String<\/span> <span class=\"token function\">userAlias<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token string\">&#034;u&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u662f\u5426\u8fc7\u6ee4\u672c\u4eba\u6570\u636e<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">self<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">default<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;\u6570\u636e\u6743\u9650\u62e6\u622a\u5668&#xff08;\u5c06\u6570\u636e\u6743\u9650\u4fe1\u606f\u5b58\u5165 ThreadLocal&#xff09;<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>interceptor<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">DataScope<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">DataScopeContext<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">DataScopeInfo<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>method<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HandlerMethod<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HandlerInterceptor<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletResponse<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u6570\u636e\u6743\u9650\u62e6\u622a\u5668<br \/>\n * \u8bfb\u53d6 Controller \u65b9\u6cd5\u4e0a\u7684 &#064;DataScope \u6ce8\u89e3&#xff0c;\u5c06\u6570\u636e\u6743\u9650\u4fe1\u606f\u5b58\u5165 ThreadLocal&#xff0c;<br \/>\n * \u4f9b MyBatis \u63d2\u4ef6\u8bfb\u53d6\u5e76\u52a8\u6001\u62fc\u63a5 SQL \u6761\u4ef6<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DataScopeInterceptor<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HandlerInterceptor<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">preHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                             <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token punctuation\">(<\/span>handler <span class=\"token keyword\">instanceof<\/span> <span class=\"token class-name\">HandlerMethod<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token class-name\">HandlerMethod<\/span> handlerMethod <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HandlerMethod<\/span><span class=\"token punctuation\">)<\/span> handler<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u4f18\u5148\u53d6\u65b9\u6cd5\u4e0a\u7684\u6ce8\u89e3&#xff0c;\u5176\u6b21\u53d6\u7c7b\u4e0a\u7684\u6ce8\u89e3<\/span><br \/>\n        <span class=\"token class-name\">DataScope<\/span> methodAnnotation <span class=\"token operator\">&#061;<\/span> handlerMethod<span class=\"token punctuation\">.<\/span><span class=\"token function\">getMethodAnnotation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">DataScope<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">DataScope<\/span> classAnnotation <span class=\"token operator\">&#061;<\/span> handlerMethod<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBeanType<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getAnnotation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">DataScope<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">DataScope<\/span> annotation <span class=\"token operator\">&#061;<\/span> methodAnnotation <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> methodAnnotation <span class=\"token operator\">:<\/span> classAnnotation<span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>annotation <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">DataScopeInfo<\/span> info <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">DataScopeInfo<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            info<span class=\"token punctuation\">.<\/span><span class=\"token function\">setDeptAlias<\/span><span class=\"token punctuation\">(<\/span>annotation<span class=\"token punctuation\">.<\/span><span class=\"token function\">deptAlias<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            info<span class=\"token punctuation\">.<\/span><span class=\"token function\">setUserAlias<\/span><span class=\"token punctuation\">(<\/span>annotation<span class=\"token punctuation\">.<\/span><span class=\"token function\">userAlias<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            info<span class=\"token punctuation\">.<\/span><span class=\"token function\">setSelf<\/span><span class=\"token punctuation\">(<\/span>annotation<span class=\"token punctuation\">.<\/span><span class=\"token function\">self<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token class-name\">DataScopeContext<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span>info<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6570\u636e\u6743\u9650\u62e6\u622a\u5668\u8bbe\u7f6e\u6570\u636e\u6743\u9650&#xff0c;deptAlias: {}, userAlias: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                    annotation<span class=\"token punctuation\">.<\/span><span class=\"token function\">deptAlias<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> annotation<span class=\"token punctuation\">.<\/span><span class=\"token function\">userAlias<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">afterCompletion<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span><br \/>\n                                <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Exception<\/span> ex<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u6e05\u7406 ThreadLocal<\/span><br \/>\n        <span class=\"token class-name\">DataScopeContext<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">clear<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e09\u6b65&#xff1a;MyBatis \u63d2\u4ef6&#xff08;\u8bfb\u53d6 ThreadLocal \u4e2d\u7684\u6570\u636e\u6743\u9650&#xff0c;\u62fc\u63a5 SQL&#xff09;<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>plugin<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">DataScopeContext<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">DataScopeInfo<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">UserContext<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>common<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">UserInfo<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>ibatis<span class=\"token punctuation\">.<\/span>executor<span class=\"token punctuation\">.<\/span>statement<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">StatementHandler<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>ibatis<span class=\"token punctuation\">.<\/span>mapping<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">BoundSql<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>ibatis<span class=\"token punctuation\">.<\/span>mapping<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MappedStatement<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>ibatis<span class=\"token punctuation\">.<\/span>plugin<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>ibatis<span class=\"token punctuation\">.<\/span>reflection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MetaObject<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>apache<span class=\"token punctuation\">.<\/span>ibatis<span class=\"token punctuation\">.<\/span>reflection<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">SystemMetaObject<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>sql<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Connection<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Properties<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u6570\u636e\u6743\u9650 MyBatis \u63d2\u4ef6<br \/>\n * \u5728 SQL \u6267\u884c\u524d&#xff0c;\u6839\u636e\u6570\u636e\u6743\u9650\u4fe1\u606f\u52a8\u6001\u62fc\u63a5 WHERE \u6761\u4ef6<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Intercepts<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token annotation punctuation\">&#064;Signature<\/span><span class=\"token punctuation\">(<\/span>type <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">StatementHandler<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">,<\/span> method <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;prepare&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                args <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token class-name\">Connection<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">DataScopeInterceptor<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Interceptor<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Object<\/span> <span class=\"token function\">intercept<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Invocation<\/span> invocation<span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">Throwable<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">DataScopeInfo<\/span> dataScope <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">DataScopeContext<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>dataScope <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> invocation<span class=\"token punctuation\">.<\/span><span class=\"token function\">proceed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token class-name\">UserInfo<\/span> currentUser <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">UserContext<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>currentUser <span class=\"token operator\">&#061;&#061;<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> invocation<span class=\"token punctuation\">.<\/span><span class=\"token function\">proceed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u83b7\u53d6 StatementHandler \u548c SQL<\/span><br \/>\n        <span class=\"token class-name\">StatementHandler<\/span> statementHandler <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">StatementHandler<\/span><span class=\"token punctuation\">)<\/span> invocation<span class=\"token punctuation\">.<\/span><span class=\"token function\">getTarget<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">MetaObject<\/span> metaObject <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">SystemMetaObject<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">forObject<\/span><span class=\"token punctuation\">(<\/span>statementHandler<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">MappedStatement<\/span> mappedStatement <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">MappedStatement<\/span><span class=\"token punctuation\">)<\/span> metaObject<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delegate.mappedStatement&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">BoundSql<\/span> boundSql <span class=\"token operator\">&#061;<\/span> statementHandler<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBoundSql<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> originalSql <span class=\"token operator\">&#061;<\/span> boundSql<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSql<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u6784\u5efa\u6570\u636e\u6743\u9650 SQL \u6761\u4ef6<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> dataScopeSql <span class=\"token operator\">&#061;<\/span> <span class=\"token function\">buildDataScopeSql<\/span><span class=\"token punctuation\">(<\/span>dataScope<span class=\"token punctuation\">,<\/span> currentUser<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>dataScopeSql <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">&amp;&amp;<\/span> <span class=\"token operator\">!<\/span>dataScopeSql<span class=\"token punctuation\">.<\/span><span class=\"token function\">isEmpty<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5c06\u6570\u636e\u6743\u9650\u6761\u4ef6\u62fc\u63a5\u5230\u539f SQL \u4e2d<\/span><br \/>\n            <span class=\"token class-name\">String<\/span> newSql <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;SELECT * FROM (&#034;<\/span> <span class=\"token operator\">&#043;<\/span> originalSql <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;) temp_data_scope WHERE &#034;<\/span> <span class=\"token operator\">&#043;<\/span> dataScopeSql<span class=\"token punctuation\">;<\/span><br \/>\n            metaObject<span class=\"token punctuation\">.<\/span><span class=\"token function\">setValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;delegate.boundSql.sql&#034;<\/span><span class=\"token punctuation\">,<\/span> newSql<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6570\u636e\u6743\u9650 SQL \u62fc\u63a5\u5b8c\u6210&#xff0c;\u539fSQL: {}&#xff0c;\u65b0SQL: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> originalSql<span class=\"token punctuation\">,<\/span> newSql<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><\/p>\n<p>        <span class=\"token keyword\">return<\/span> invocation<span class=\"token punctuation\">.<\/span><span class=\"token function\">proceed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u6784\u5efa\u6570\u636e\u6743\u9650 SQL \u6761\u4ef6<br \/>\n     * \u5b9e\u9645\u9879\u76ee\u4e2d\u5e94\u6839\u636e\u7528\u6237\u7684\u6570\u636e\u6743\u9650\u8303\u56f4&#xff08;\u5168\u90e8\/\u672c\u90e8\u95e8\/\u672c\u90e8\u95e8\u53ca\u4ee5\u4e0b\/\u672c\u4eba&#xff09;\u6765\u6784\u5efa<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token function\">buildDataScopeSql<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">DataScopeInfo<\/span> dataScope<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">UserInfo<\/span> user<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u7b80\u5316\u793a\u4f8b&#xff1a;\u53ea\u770b\u672c\u4eba\u6570\u636e<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5b9e\u9645\u9879\u76ee\u5e94\u6839\u636e\u7528\u6237\u89d2\u8272\u548c\u6570\u636e\u6743\u9650\u8303\u56f4\u6765\u6784\u5efa<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>dataScope<span class=\"token punctuation\">.<\/span><span class=\"token function\">isSelf<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> dataScope<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUserAlias<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token string\">&#034;.user_id &#061; &#034;<\/span> <span class=\"token operator\">&#043;<\/span> user<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUserId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">null<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Object<\/span> <span class=\"token function\">plugin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Object<\/span> target<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Plugin<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">wrap<\/span><span class=\"token punctuation\">(<\/span>target<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">setProperties<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Properties<\/span> properties<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.9 \u62e6\u622a\u5668\u6392\u9664\u8def\u5f84\u4e0e\u9759\u6001\u8d44\u6e90\u5904\u7406<\/h4>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">WebMvcConfig<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">WebMvcConfigurer<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">addInterceptors<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">InterceptorRegistry<\/span> registry<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>loginInterceptor<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">excludePathPatterns<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                        <span class=\"token comment\">\/\/ \u9759\u6001\u8d44\u6e90<\/span><br \/>\n                        <span class=\"token string\">&#034;\/static\/**&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/public\/**&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/resources\/**&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/META-INF\/resources\/**&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token comment\">\/\/ \u5e38\u7528\u9759\u6001\u8d44\u6e90\u540e\u7f00<\/span><br \/>\n                        <span class=\"token string\">&#034;\/**\/*.js&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/**\/*.css&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/**\/*.png&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/**\/*.jpg&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/**\/*.jpeg&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/**\/*.gif&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/**\/*.ico&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/**\/*.woff&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/**\/*.woff2&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/**\/*.ttf&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/**\/*.svg&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token comment\">\/\/ Swagger \/ Knife4j<\/span><br \/>\n                        <span class=\"token string\">&#034;\/swagger-ui.html&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/swagger-ui\/**&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/swagger-resources\/**&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/v2\/api-docs&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/v3\/api-docs&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/webjars\/**&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token string\">&#034;\/doc.html&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token comment\">\/\/ \u5065\u5eb7\u68c0\u67e5<\/span><br \/>\n                        <span class=\"token string\">&#034;\/actuator\/**&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                        <span class=\"token comment\">\/\/ \u9519\u8bef\u9875\u9762<\/span><br \/>\n                        <span class=\"token string\">&#034;\/error&#034;<\/span><br \/>\n                <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u914d\u7f6e\u9759\u6001\u8d44\u6e90\u6620\u5c04&#xff08;\u5982\u679c\u5173\u95ed\u4e86\u9ed8\u8ba4\u9759\u6001\u8d44\u6e90\u6620\u5c04&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">addResourceHandlers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ResourceHandlerRegistry<\/span> registry<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addResourceHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/static\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addResourceLocations<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;classpath:\/static\/&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addResourceHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;swagger-ui.html&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addResourceLocations<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;classpath:\/META-INF\/resources\/&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addResourceHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/webjars\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addResourceLocations<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;classpath:\/META-INF\/resources\/webjars\/&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>3.10 \u591a\u4e2a\u62e6\u622a\u5668\u7684\u6267\u884c\u987a\u5e8f<\/h4>\n<p>\u5047\u8bbe\u6709\u4e09\u4e2a\u62e6\u622a\u5668&#xff0c;\u6ce8\u518c\u987a\u5e8f\u4e3a Interceptor1&#xff08;order&#061;1&#xff09;\u3001Interceptor2&#xff08;order&#061;2&#xff09;\u3001Interceptor3&#xff08;order&#061;3&#xff09;&#xff1a;<\/p>\n<p>\u8bf7\u6c42\u8fdb\u5165<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nInterceptor1.preHandle()  \u2192 true<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nInterceptor2.preHandle()  \u2192 true<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nInterceptor3.preHandle()  \u2192 true<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nController \u65b9\u6cd5\u6267\u884c<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nInterceptor3.postHandle()<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nInterceptor2.postHandle()<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nInterceptor1.postHandle()<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n\u89c6\u56fe\u6e32\u67d3<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nInterceptor3.afterCompletion()<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nInterceptor2.afterCompletion()<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nInterceptor1.afterCompletion()<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n\u54cd\u5e94\u8fd4\u56de<\/p>\n<p>\u5173\u952e\u89c4\u5219&#xff1a;<\/p>\n<ul>\n<li>preHandle \u6309\u6ce8\u518c\u987a\u5e8f&#xff08;order \u4ece\u5c0f\u5230\u5927&#xff09;\u6b63\u5e8f\u6267\u884c<\/li>\n<li>postHandle \u548c afterCompletion \u6309\u6ce8\u518c\u987a\u5e8f\u5012\u5e8f\u6267\u884c<\/li>\n<li>\u5982\u679c\u67d0\u4e2a\u62e6\u622a\u5668\u7684 preHandle \u8fd4\u56de false&#xff0c;\u5219\u53ea\u6709\u5b83\u4e4b\u524d&#xff08;\u5df2\u6267\u884c preHandle&#xff09;\u7684\u62e6\u622a\u5668\u7684 afterCompletion \u4f1a\u88ab\u6267\u884c<\/li>\n<\/ul>\n<hr \/>\n<h3>\u56db\u3001\u76d1\u542c\u5668 Listener \u8be6\u89e3\u4e0e\u5b9e\u6218<\/h3>\n<h4>4.1 Listener \u5206\u7c7b\u4e0e\u539f\u7406<\/h4>\n<p>\u76d1\u542c\u5668\u662f\u57fa\u4e8e\u89c2\u5bdf\u8005\u6a21\u5f0f\u7684\u7ec4\u4ef6&#xff0c;\u7528\u4e8e\u76d1\u542c Servlet \u5bb9\u5668\u4e2d\u7279\u5b9a\u4e8b\u4ef6\u7684\u53d1\u751f\u3002<\/p>\n<p>Servlet \u89c4\u8303\u4e2d\u7684\u76d1\u542c\u5668\u5206\u7c7b&#xff1a;<\/p>\n<table>\n<tr>\u76d1\u542c\u5668\u63a5\u53e3\u76d1\u542c\u4e8b\u4ef6\u89e6\u53d1\u65f6\u673a<\/tr>\n<tbody>\n<tr>\n<td>ServletContextListener<\/td>\n<td>ServletContextEvent<\/td>\n<td>\u5e94\u7528\u542f\u52a8\/\u5173\u95ed<\/td>\n<\/tr>\n<tr>\n<td>ServletContextAttributeListener<\/td>\n<td>ServletContextAttributeEvent<\/td>\n<td>Context \u57df\u5c5e\u6027\u589e\u5220\u6539<\/td>\n<\/tr>\n<tr>\n<td>HttpSessionListener<\/td>\n<td>HttpSessionEvent<\/td>\n<td>Session \u521b\u5efa\/\u9500\u6bc1<\/td>\n<\/tr>\n<tr>\n<td>HttpSessionAttributeListener<\/td>\n<td>HttpSessionBindingEvent<\/td>\n<td>Session \u57df\u5c5e\u6027\u589e\u5220\u6539<\/td>\n<\/tr>\n<tr>\n<td>HttpSessionBindingListener<\/td>\n<td>HttpSessionBindingEvent<\/td>\n<td>\u5bf9\u8c61\u7ed1\u5b9a\/\u89e3\u7ed1\u5230 Session<\/td>\n<\/tr>\n<tr>\n<td>HttpSessionActivationListener<\/td>\n<td>HttpSessionEvent<\/td>\n<td>Session \u949d\u5316\/\u6fc0\u6d3b<\/td>\n<\/tr>\n<tr>\n<td>ServletRequestListener<\/td>\n<td>ServletRequestEvent<\/td>\n<td>\u8bf7\u6c42\u521b\u5efa\/\u9500\u6bc1<\/td>\n<\/tr>\n<tr>\n<td>ServletRequestAttributeListener<\/td>\n<td>ServletRequestAttributeEvent<\/td>\n<td>Request \u57df\u5c5e\u6027\u589e\u5220\u6539<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4e09\u5927\u57df\u5bf9\u8c61\u5bf9\u6bd4&#xff1a;<\/p>\n<table>\n<tr>\u57df\u5bf9\u8c61\u4f5c\u7528\u8303\u56f4\u751f\u547d\u5468\u671f<\/tr>\n<tbody>\n<tr>\n<td>ServletContext&#xff08;Application&#xff09;<\/td>\n<td>\u6574\u4e2a\u5e94\u7528<\/td>\n<td>\u5e94\u7528\u542f\u52a8\u5230\u5173\u95ed<\/td>\n<\/tr>\n<tr>\n<td>HttpSession<\/td>\n<td>\u4e00\u6b21\u4f1a\u8bdd<\/td>\n<td>\u7528\u6237\u7b2c\u4e00\u6b21\u8bbf\u95ee\u5230 session \u8d85\u65f6\/\u9500\u6bc1<\/td>\n<\/tr>\n<tr>\n<td>ServletRequest<\/td>\n<td>\u4e00\u6b21\u8bf7\u6c42<\/td>\n<td>\u8bf7\u6c42\u5f00\u59cb\u5230\u54cd\u5e94\u7ed3\u675f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>4.2 \u6ce8\u518c\u65b9\u5f0f&#xff1a;&#064;WebListener &#043; &#064;ServletComponentScan<\/h4>\n<p><span class=\"token comment\">\/\/ \u542f\u52a8\u7c7b<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;SpringBootApplication<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;ServletComponentScan<\/span><span class=\"token punctuation\">(<\/span>basePackages <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;com.example.listener&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Application<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">SpringApplication<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Application<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">,<\/span> args<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u76d1\u542c\u5668<\/span><br \/>\n<span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ServletContextEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ServletContextListener<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">WebListener<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;WebListener<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyServletContextListener<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">ServletContextListener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">contextInitialized<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletContextEvent<\/span> sce<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5e94\u7528\u542f\u52a8&#xff0c;ServletContext \u521d\u59cb\u5316&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">contextDestroyed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletContextEvent<\/span> sce<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5e94\u7528\u5173\u95ed&#xff0c;ServletContext \u9500\u6bc1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.3 \u6ce8\u518c\u65b9\u5f0f\u4e8c&#xff1a;ServletListenerRegistrationBean<\/h4>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ListenerConfig<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">ServletListenerRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">MyServletRequestListener<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">servletRequestListenerRegistration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ServletListenerRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">MyServletRequestListener<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span><br \/>\n                <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ServletListenerRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MyServletRequestListener<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.4 \u6ce8\u518c\u65b9\u5f0f\u4e09&#xff1a;&#064;Component \u76f4\u63a5\u6ce8\u518c<\/h4>\n<p>\u6700\u7b80\u5355\u7684\u65b9\u5f0f&#xff0c;\u76f4\u63a5\u52a0 &#064;Component \u6ce8\u89e3\u5373\u53ef\u88ab Spring \u7ba1\u7406\u5e76\u6ce8\u518c\u5230 Servlet \u5bb9\u5668\u3002<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyHttpSessionListener<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HttpSessionListener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">sessionCreated<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpSessionEvent<\/span> se<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Session \u521b\u5efa&#xff0c;sessionId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> se<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">sessionDestroyed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpSessionEvent<\/span> se<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Session \u9500\u6bc1&#xff0c;sessionId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> se<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.5 \u5b9e\u6218\u4e00&#xff1a;ServletContextListener \u5e94\u7528\u542f\u52a8\u521d\u59cb\u5316<\/h4>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>service<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">DictService<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ServletContext<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ServletContextEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ServletContextListener<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Map<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u5e94\u7528\u542f\u52a8\u521d\u59cb\u5316\u76d1\u542c\u5668<br \/>\n * \u5728\u5e94\u7528\u542f\u52a8\u65f6\u52a0\u8f7d\u5168\u5c40\u914d\u7f6e\u3001\u5b57\u5178\u6570\u636e\u5230 ServletContext<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AppInitListener<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">ServletContextListener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">DictService<\/span> dictService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">contextInitialized<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletContextEvent<\/span> sce<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u5e94\u7528\u542f\u52a8\u521d\u59cb\u5316\u5f00\u59cb &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> startTime <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">ServletContext<\/span> context <span class=\"token operator\">&#061;<\/span> sce<span class=\"token punctuation\">.<\/span><span class=\"token function\">getServletContext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ 1. \u52a0\u8f7d\u5b57\u5178\u6570\u636e\u5230 Application \u57df<\/span><br \/>\n            <span class=\"token class-name\">Map<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> dictMap <span class=\"token operator\">&#061;<\/span> dictService<span class=\"token punctuation\">.<\/span><span class=\"token function\">loadAllDict<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            context<span class=\"token punctuation\">.<\/span><span class=\"token function\">setAttribute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;dictMap&#034;<\/span><span class=\"token punctuation\">,<\/span> dictMap<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5b57\u5178\u6570\u636e\u52a0\u8f7d\u5b8c\u6210&#xff0c;\u5171 {} \u6761&#034;<\/span><span class=\"token punctuation\">,<\/span> dictMap<span class=\"token punctuation\">.<\/span><span class=\"token function\">size<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ 2. \u8bbe\u7f6e\u5e94\u7528\u4e0a\u4e0b\u6587\u8def\u5f84<\/span><br \/>\n            context<span class=\"token punctuation\">.<\/span><span class=\"token function\">setAttribute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ctxPath&#034;<\/span><span class=\"token punctuation\">,<\/span> context<span class=\"token punctuation\">.<\/span><span class=\"token function\">getContextPath<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ 3. \u8bb0\u5f55\u5e94\u7528\u542f\u52a8\u65f6\u95f4<\/span><br \/>\n            context<span class=\"token punctuation\">.<\/span><span class=\"token function\">setAttribute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;appStartTime&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>            <span class=\"token keyword\">long<\/span> cost <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> startTime<span class=\"token punctuation\">;<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u5e94\u7528\u542f\u52a8\u521d\u59cb\u5316\u5b8c\u6210&#xff0c;\u8017\u65f6: {}ms &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#034;<\/span><span class=\"token punctuation\">,<\/span> cost<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5e94\u7528\u542f\u52a8\u521d\u59cb\u5316\u5931\u8d25&#034;<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u521d\u59cb\u5316\u5931\u8d25\u662f\u5426\u7ec8\u6b62\u542f\u52a8&#xff0c;\u6839\u636e\u4e1a\u52a1\u9700\u6c42\u51b3\u5b9a<\/span><br \/>\n            <span class=\"token keyword\">throw<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RuntimeException<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5e94\u7528\u542f\u52a8\u521d\u59cb\u5316\u5931\u8d25&#034;<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">contextDestroyed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletContextEvent<\/span> sce<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u5e94\u7528\u5173\u95ed&#xff0c;\u8d44\u6e90\u6e05\u7406\u5f00\u59cb &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6e05\u7406\u8d44\u6e90&#xff0c;\u5982\u5173\u95ed\u7ebf\u7a0b\u6c60\u3001\u91ca\u653e\u8fde\u63a5\u7b49<\/span><br \/>\n            <span class=\"token class-name\">ServletContext<\/span> context <span class=\"token operator\">&#061;<\/span> sce<span class=\"token punctuation\">.<\/span><span class=\"token function\">getServletContext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            context<span class=\"token punctuation\">.<\/span><span class=\"token function\">removeAttribute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;dictMap&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8d44\u6e90\u6e05\u7406\u5b8c\u6210&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8d44\u6e90\u6e05\u7406\u5931\u8d25&#034;<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061; \u5e94\u7528\u5173\u95ed&#xff0c;\u8d44\u6e90\u6e05\u7406\u5b8c\u6210 &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>ServletContextListener vs CommandLineRunner vs &#064;PostConstruct<\/p>\n<table>\n<tr>\u65b9\u5f0f\u6267\u884c\u65f6\u673a\u80fd\u5426\u6ce8\u5165 Bean\u9002\u7528\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>&#064;PostConstruct<\/td>\n<td>Bean \u521d\u59cb\u5316\u540e<\/td>\n<td>\u80fd<\/td>\n<td>\u5355\u4e2a Bean \u7684\u521d\u59cb\u5316<\/td>\n<\/tr>\n<tr>\n<td>ServletContextListener<\/td>\n<td>Servlet \u5bb9\u5668\u542f\u52a8\u540e<\/td>\n<td>\u80fd&#xff08;\u9700 Spring \u7ba1\u7406&#xff09;<\/td>\n<td>\u9700\u8981 ServletContext \u7684\u521d\u59cb\u5316<\/td>\n<\/tr>\n<tr>\n<td>CommandLineRunner<\/td>\n<td>Spring \u5bb9\u5668\u542f\u52a8\u5b8c\u6210\u540e<\/td>\n<td>\u80fd<\/td>\n<td>\u5e94\u7528\u542f\u52a8\u540e\u7684\u4e1a\u52a1\u521d\u59cb\u5316<\/td>\n<\/tr>\n<tr>\n<td>ApplicationRunner<\/td>\n<td>\u540c CommandLineRunner&#xff0c;\u4f46\u53c2\u6570\u66f4\u4e30\u5bcc<\/td>\n<td>\u80fd<\/td>\n<td>\u9700\u8981\u89e3\u6790\u547d\u4ee4\u884c\u53c2\u6570<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>4.6 \u5b9e\u6218\u4e8c&#xff1a;HttpSessionListener \u5728\u7ebf\u4eba\u6570\u7edf\u8ba1<\/h4>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpSessionEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpSessionListener<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>concurrent<span class=\"token punctuation\">.<\/span>atomic<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">AtomicInteger<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u5728\u7ebf\u4eba\u6570\u7edf\u8ba1\u76d1\u542c\u5668<br \/>\n * \u7edf\u8ba1\u5f53\u524d\u5728\u7ebf\u7528\u6237\u6570&#xff08;\u57fa\u4e8e Session \u6570\u91cf&#xff09;<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OnlineCountListener<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HttpSessionListener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5728\u7ebf\u4eba\u6570&#xff08;\u4f7f\u7528\u539f\u5b50\u7c7b\u4fdd\u8bc1\u7ebf\u7a0b\u5b89\u5168&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">AtomicInteger<\/span> <span class=\"token constant\">ONLINE_COUNT<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">AtomicInteger<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">sessionCreated<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpSessionEvent<\/span> se<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> count <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">ONLINE_COUNT<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">incrementAndGet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u4e0a\u7ebf&#xff0c;sessionId: {}&#xff0c;\u5f53\u524d\u5728\u7ebf\u4eba\u6570: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> se<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5c06\u5728\u7ebf\u4eba\u6570\u5b58\u5165 ServletContext&#xff0c;\u4f9b\u9875\u9762\u5c55\u793a<\/span><br \/>\n        se<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getServletContext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setAttribute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;onlineCount&#034;<\/span><span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">sessionDestroyed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpSessionEvent<\/span> se<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">int<\/span> count <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">ONLINE_COUNT<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">decrementAndGet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u9632\u6b62\u8d1f\u6570&#xff08;\u5f02\u5e38\u60c5\u51b5\u4e0b&#xff09;<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span>count <span class=\"token operator\">&lt;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            count <span class=\"token operator\">&#061;<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token constant\">ONLINE_COUNT<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u4e0b\u7ebf&#xff0c;sessionId: {}&#xff0c;\u5f53\u524d\u5728\u7ebf\u4eba\u6570: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> se<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        se<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getServletContext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">setAttribute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;onlineCount&#034;<\/span><span class=\"token punctuation\">,<\/span> count<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6\u5f53\u524d\u5728\u7ebf\u4eba\u6570<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">int<\/span> <span class=\"token function\">getOnlineCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token constant\">ONLINE_COUNT<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u63d0\u4f9b\u67e5\u8be2\u63a5\u53e3&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;RestController<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;RequestMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/online&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">OnlineController<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;GetMapping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/count&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">Integer<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">getOnlineCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token class-name\">Result<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">success<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">OnlineCountListener<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getOnlineCount<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a;\u57fa\u4e8e Session \u7684\u5728\u7ebf\u4eba\u6570\u7edf\u8ba1\u53ea\u9002\u7528\u4e8e\u5355\u4f53\u5e94\u7528\u3002\u5206\u5e03\u5f0f\u73af\u5883\u4e0b&#xff0c;\u5e94\u4f7f\u7528 Redis \u7edf\u8ba1\u5728\u7ebf\u4eba\u6570&#xff08;\u5982\u7ef4\u62a4\u4e00\u4e2a\u5728\u7ebf\u7528\u6237 Set&#xff09;\u3002<\/p>\n<h4>4.7 \u5b9e\u6218\u4e09&#xff1a;ServletRequestListener \u8bf7\u6c42\u8ba1\u6570\u4e0e\u8017\u65f6\u7edf\u8ba1<\/h4>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">io<span class=\"token punctuation\">.<\/span>micrometer<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span>instrument<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">MeterRegistry<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ServletRequestEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ServletRequestListener<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpServletRequest<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">java<span class=\"token punctuation\">.<\/span>util<span class=\"token punctuation\">.<\/span>concurrent<span class=\"token punctuation\">.<\/span>atomic<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">AtomicLong<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u8bf7\u6c42\u8ba1\u6570\u4e0e\u8017\u65f6\u7edf\u8ba1\u76d1\u542c\u5668<br \/>\n * \u7edf\u8ba1\u603b\u8bf7\u6c42\u6570\u3001\u5f53\u524d\u5e76\u53d1\u8bf7\u6c42\u6570\u3001\u8bf7\u6c42\u8017\u65f6<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RequestStatsListener<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">ServletRequestListener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u603b\u8bf7\u6c42\u6570<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">AtomicLong<\/span> <span class=\"token constant\">TOTAL_REQUESTS<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">AtomicLong<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5f53\u524d\u5e76\u53d1\u8bf7\u6c42\u6570<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">AtomicLong<\/span> <span class=\"token constant\">CURRENT_CONCURRENCY<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">AtomicLong<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u8bf7\u6c42\u5f00\u59cb\u65f6\u95f4\u7684\u5c5e\u6027\u540d<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> <span class=\"token constant\">START_TIME_ATTR<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;request_start_time&#034;<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">MeterRegistry<\/span> meterRegistry<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">requestInitialized<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequestEvent<\/span> sre<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">HttpServletRequest<\/span> request <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span><span class=\"token punctuation\">)<\/span> sre<span class=\"token punctuation\">.<\/span><span class=\"token function\">getServletRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bb0\u5f55\u5f00\u59cb\u65f6\u95f4<\/span><br \/>\n        request<span class=\"token punctuation\">.<\/span><span class=\"token function\">setAttribute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">START_TIME_ATTR<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u603b\u8bf7\u6c42\u6570 &#043;1<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> total <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">TOTAL_REQUESTS<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">incrementAndGet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5e76\u53d1\u6570 &#043;1<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> concurrency <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">CURRENT_CONCURRENCY<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">incrementAndGet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ Micrometer \u6307\u6807<\/span><br \/>\n        meterRegistry<span class=\"token punctuation\">.<\/span><span class=\"token function\">counter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;request.total&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;uri&#034;<\/span><span class=\"token punctuation\">,<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">increment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        meterRegistry<span class=\"token punctuation\">.<\/span><span class=\"token function\">gauge<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;request.concurrency&#034;<\/span><span class=\"token punctuation\">,<\/span> concurrency<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8bf7\u6c42\u5f00\u59cb&#xff0c;URI: {}&#xff0c;\u603b\u8bf7\u6c42\u6570: {}&#xff0c;\u5f53\u524d\u5e76\u53d1: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> total<span class=\"token punctuation\">,<\/span> concurrency<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">requestDestroyed<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequestEvent<\/span> sre<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">HttpServletRequest<\/span> request <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span><span class=\"token punctuation\">)<\/span> sre<span class=\"token punctuation\">.<\/span><span class=\"token function\">getServletRequest<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5e76\u53d1\u6570 -1<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> concurrency <span class=\"token operator\">&#061;<\/span> <span class=\"token constant\">CURRENT_CONCURRENCY<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">decrementAndGet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8ba1\u7b97\u8017\u65f6<\/span><br \/>\n        <span class=\"token class-name\">Long<\/span> startTime <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Long<\/span><span class=\"token punctuation\">)<\/span> request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getAttribute<\/span><span class=\"token punctuation\">(<\/span><span class=\"token constant\">START_TIME_ATTR<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">long<\/span> cost <span class=\"token operator\">&#061;<\/span> startTime <span class=\"token operator\">!&#061;<\/span> <span class=\"token keyword\">null<\/span> <span class=\"token operator\">?<\/span> <span class=\"token class-name\">System<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentTimeMillis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#8211;<\/span> startTime <span class=\"token operator\">:<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">debug<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8bf7\u6c42\u7ed3\u675f&#xff0c;URI: {}&#xff0c;\u8017\u65f6: {}ms&#xff0c;\u5f53\u524d\u5e76\u53d1: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                request<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequestURI<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> cost<span class=\"token punctuation\">,<\/span> concurrency<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6\u603b\u8bf7\u6c42\u6570<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">long<\/span> <span class=\"token function\">getTotalRequests<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token constant\">TOTAL_REQUESTS<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u83b7\u53d6\u5f53\u524d\u5e76\u53d1\u6570<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">long<\/span> <span class=\"token function\">getCurrentConcurrency<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token constant\">CURRENT_CONCURRENCY<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.8 \u5b9e\u6218\u56db&#xff1a;HttpSessionAttributeListener \u76d1\u542c\u5c5e\u6027\u53d8\u5316<\/h4>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpSessionAttributeListener<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">javax<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>http<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">HttpSessionBindingEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * Session \u5c5e\u6027\u53d8\u5316\u76d1\u542c\u5668<br \/>\n * \u76d1\u542c Session \u4e2d\u5c5e\u6027\u7684\u6dfb\u52a0\u3001\u5220\u9664\u3001\u4fee\u6539<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">SessionAttributeListener<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HttpSessionAttributeListener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">attributeAdded<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpSessionBindingEvent<\/span> event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Session \u5c5e\u6027\u6dfb\u52a0&#xff0c;sessionId: {}&#xff0c;\u5c5e\u6027\u540d: {}&#xff0c;\u5c5e\u6027\u503c: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5178\u578b\u5e94\u7528&#xff1a;\u76d1\u542c\u7528\u6237\u767b\u5f55<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;currentUser&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equals<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u767b\u5f55\u6210\u529f&#xff0c;\u7528\u6237\u4fe1\u606f: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u53ef\u4ee5\u5728\u8fd9\u91cc\u8bb0\u5f55\u767b\u5f55\u65e5\u5fd7\u3001\u66f4\u65b0\u6700\u540e\u767b\u5f55\u65f6\u95f4\u7b49<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">attributeRemoved<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpSessionBindingEvent<\/span> event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Session \u5c5e\u6027\u79fb\u9664&#xff0c;sessionId: {}&#xff0c;\u5c5e\u6027\u540d: {}&#xff0c;\u5c5e\u6027\u503c: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u5178\u578b\u5e94\u7528&#xff1a;\u76d1\u542c\u7528\u6237\u9000\u51fa<\/span><br \/>\n        <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;currentUser&#034;<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">equals<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u9000\u51fa\u767b\u5f55&#xff0c;\u7528\u6237\u4fe1\u606f: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">attributeReplaced<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpSessionBindingEvent<\/span> event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;Session \u5c5e\u6027\u4fee\u6539&#xff0c;sessionId: {}&#xff0c;\u5c5e\u6027\u540d: {}&#xff0c;\u65b0\u503c: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getSession<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getValue<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.9 \u5b9e\u6218\u4e94&#xff1a;Spring \u81ea\u5b9a\u4e49\u4e8b\u4ef6\u4e0e\u76d1\u542c\u5668&#xff08;ApplicationEvent&#xff09;<\/h4>\n<p>Spring \u63d0\u4f9b\u4e86\u4e00\u5957\u5b8c\u6574\u7684\u4e8b\u4ef6\u673a\u5236&#xff0c;\u57fa\u4e8e ApplicationEvent \u548c ApplicationListener&#xff0c;\u6bd4 Servlet \u76d1\u542c\u5668\u66f4\u5f3a\u5927&#xff0c;\u652f\u6301 Spring \u5bb9\u5668\u5185\u7684\u6240\u6709 Bean\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65&#xff1a;\u5b9a\u4e49\u81ea\u5b9a\u4e49\u4e8b\u4ef6<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>event<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>entity<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">User<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Getter<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ApplicationEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u7528\u6237\u6ce8\u518c\u4e8b\u4ef6<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Getter<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UserRegisterEvent<\/span> <span class=\"token keyword\">extends<\/span> <span class=\"token class-name\">ApplicationEvent<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">User<\/span> user<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">String<\/span> registerIp<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">UserRegisterEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Object<\/span> source<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">User<\/span> user<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">String<\/span> registerIp<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">super<\/span><span class=\"token punctuation\">(<\/span>source<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>user <span class=\"token operator\">&#061;<\/span> user<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>registerIp <span class=\"token operator\">&#061;<\/span> registerIp<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;\u53d1\u5e03\u4e8b\u4ef6<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Service<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UserService<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">ApplicationEventPublisher<\/span> eventPublisher<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">register<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">UserRegisterDTO<\/span> dto<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1. \u7528\u6237\u6ce8\u518c\u4e1a\u52a1\u903b\u8f91<\/span><br \/>\n        <span class=\"token class-name\">User<\/span> user <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">User<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        user<span class=\"token punctuation\">.<\/span><span class=\"token function\">setUsername<\/span><span class=\"token punctuation\">(<\/span>dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUsername<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        user<span class=\"token punctuation\">.<\/span><span class=\"token function\">setPassword<\/span><span class=\"token punctuation\">(<\/span>dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getPassword<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        user<span class=\"token punctuation\">.<\/span><span class=\"token function\">setEmail<\/span><span class=\"token punctuation\">(<\/span>dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getEmail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        userMapper<span class=\"token punctuation\">.<\/span><span class=\"token function\">insert<\/span><span class=\"token punctuation\">(<\/span>user<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u53d1\u5e03\u7528\u6237\u6ce8\u518c\u4e8b\u4ef6<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u53d1\u5e03\u4e8b\u4ef6\u540e&#xff0c;\u6240\u6709\u76d1\u542c\u8be5\u4e8b\u4ef6\u7684\u76d1\u542c\u5668\u90fd\u4f1a\u88ab\u89e6\u53d1<\/span><br \/>\n        eventPublisher<span class=\"token punctuation\">.<\/span><span class=\"token function\">publishEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">UserRegisterEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">this<\/span><span class=\"token punctuation\">,<\/span> user<span class=\"token punctuation\">,<\/span> dto<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRegisterIp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u7528\u6237\u6ce8\u518c\u6210\u529f&#xff0c;userId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> user<span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e09\u6b65&#xff1a;\u5b9a\u4e49\u76d1\u542c\u5668&#xff08;\u65b9\u5f0f\u4e00&#xff1a;\u5b9e\u73b0 ApplicationListener \u63a5\u53e3&#xff09;<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">UserRegisterEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>service<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">EmailService<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ApplicationListener<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u7528\u6237\u6ce8\u518c\u4e8b\u4ef6\u76d1\u542c\u5668 &#8211; \u53d1\u9001\u6b22\u8fce\u90ae\u4ef6<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UserRegisterEmailListener<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">ApplicationListener<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">UserRegisterEvent<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">EmailService<\/span> emailService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">onApplicationEvent<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">UserRegisterEvent<\/span> event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u76d1\u542c\u5230\u7528\u6237\u6ce8\u518c\u4e8b\u4ef6&#xff0c;\u5f00\u59cb\u53d1\u9001\u6b22\u8fce\u90ae\u4ef6&#xff0c;userId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            emailService<span class=\"token punctuation\">.<\/span><span class=\"token function\">sendWelcomeEmail<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getEmail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getUsername<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6b22\u8fce\u90ae\u4ef6\u53d1\u9001\u6210\u529f&#xff0c;userId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6b22\u8fce\u90ae\u4ef6\u53d1\u9001\u5931\u8d25&#xff0c;userId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u90ae\u4ef6\u53d1\u9001\u5931\u8d25\u4e0d\u5f71\u54cd\u4e3b\u6d41\u7a0b<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e09\u6b65&#xff1a;\u5b9a\u4e49\u76d1\u542c\u5668&#xff08;\u65b9\u5f0f\u4e8c&#xff1a;\u4f7f\u7528 &#064;EventListener \u6ce8\u89e3&#xff0c;\u66f4\u7075\u6d3b&#xff09;<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">UserRegisterEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>service<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">SmsService<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">EventListener<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Order<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u7528\u6237\u6ce8\u518c\u4e8b\u4ef6\u76d1\u542c\u5668 &#8211; \u53d1\u9001\u6ce8\u518c\u77ed\u4fe1<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">UserRegisterSmsListener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">SmsService<\/span> smsService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u4f7f\u7528 &#064;EventListener \u6ce8\u89e3\u76d1\u542c\u4e8b\u4ef6<br \/>\n     * &#064;Order \u63a7\u5236\u591a\u4e2a\u76d1\u542c\u5668\u7684\u6267\u884c\u987a\u5e8f&#xff08;\u6570\u5b57\u8d8a\u5c0f\u8d8a\u5148\u6267\u884c&#xff09;<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;EventListener<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">handleUserRegister<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">UserRegisterEvent<\/span> event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u76d1\u542c\u5230\u7528\u6237\u6ce8\u518c\u4e8b\u4ef6&#xff0c;\u5f00\u59cb\u53d1\u9001\u6ce8\u518c\u77ed\u4fe1&#xff0c;userId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            smsService<span class=\"token punctuation\">.<\/span><span class=\"token function\">sendRegisterSms<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getPhone<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getUsername<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6ce8\u518c\u77ed\u4fe1\u53d1\u9001\u6210\u529f&#xff0c;userId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6ce8\u518c\u77ed\u4fe1\u53d1\u9001\u5931\u8d25&#xff0c;userId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u540c\u4e00\u4e2a\u7c7b\u4e2d\u53ef\u4ee5\u76d1\u542c\u591a\u4e2a\u4e8b\u4ef6<br \/>\n     * \u4e5f\u53ef\u4ee5\u901a\u8fc7 condition \u5c5e\u6027\u6761\u4ef6\u8fc7\u6ee4<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;EventListener<\/span><span class=\"token punctuation\">(<\/span>condition <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;#event.user.username !&#061; null&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">handleUserRegisterLog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">UserRegisterEvent<\/span> event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8bb0\u5f55\u7528\u6237\u6ce8\u518c\u65e5\u5fd7&#xff0c;username: {}, ip: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getUsername<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRegisterIp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>4.10 \u5b9e\u6218\u516d&#xff1a;Spring \u5f02\u6b65\u4e8b\u4ef6\u76d1\u542c&#xff08;&#064;Async &#043; &#064;EventListener&#xff09;<\/h4>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;Spring \u4e8b\u4ef6\u662f\u540c\u6b65\u6267\u884c\u7684&#xff0c;\u53d1\u5e03\u4e8b\u4ef6\u7684\u7ebf\u7a0b\u4f1a\u7b49\u5f85\u6240\u6709\u76d1\u542c\u5668\u6267\u884c\u5b8c\u6210\u3002\u5982\u679c\u76d1\u542c\u5668\u4e2d\u6709\u8017\u65f6\u64cd\u4f5c&#xff08;\u5982\u53d1\u9001\u90ae\u4ef6\u3001\u8c03\u7528\u7b2c\u4e09\u65b9\u63a5\u53e3&#xff09;&#xff0c;\u4f1a\u5f71\u54cd\u4e3b\u6d41\u7a0b\u6027\u80fd\u3002\u53ef\u4ee5\u4f7f\u7528 &#064;Async \u5b9e\u73b0\u5f02\u6b65\u4e8b\u4ef6\u76d1\u542c\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65&#xff1a;\u542f\u7528\u5f02\u6b65<\/p>\n<p><span class=\"token annotation punctuation\">&#064;SpringBootApplication<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;EnableAsync<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">Application<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">SpringApplication<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Application<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">,<\/span> args<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff1a;\u914d\u7f6e\u5f02\u6b65\u7ebf\u7a0b\u6c60<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AsyncConfig<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;eventExecutor&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">Executor<\/span> <span class=\"token function\">eventExecutor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ThreadPoolTaskExecutor<\/span> executor <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ThreadPoolTaskExecutor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        executor<span class=\"token punctuation\">.<\/span><span class=\"token function\">setCorePoolSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        executor<span class=\"token punctuation\">.<\/span><span class=\"token function\">setMaxPoolSize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        executor<span class=\"token punctuation\">.<\/span><span class=\"token function\">setQueueCapacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">100<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        executor<span class=\"token punctuation\">.<\/span><span class=\"token function\">setThreadNamePrefix<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;event-async-&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        executor<span class=\"token punctuation\">.<\/span><span class=\"token function\">setRejectedExecutionHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ThreadPoolExecutor<span class=\"token punctuation\">.<\/span>CallerRunsPolicy<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        executor<span class=\"token punctuation\">.<\/span><span class=\"token function\">initialize<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> executor<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u7b2c\u4e09\u6b65&#xff1a;\u5f02\u6b65\u4e8b\u4ef6\u76d1\u542c\u5668<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>listener<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">UserRegisterEvent<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>service<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">EmailService<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">lombok<span class=\"token punctuation\">.<\/span>extern<span class=\"token punctuation\">.<\/span>slf4j<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Slf4j<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>event<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">EventListener<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>scheduling<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Async<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>stereotype<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Component<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/**<br \/>\n * \u5f02\u6b65\u7528\u6237\u6ce8\u518c\u4e8b\u4ef6\u76d1\u542c\u5668<br \/>\n * \u4f7f\u7528 &#064;Async \u6ce8\u89e3&#xff0c;\u76d1\u542c\u5668\u65b9\u6cd5\u4f1a\u5728\u72ec\u7acb\u7ebf\u7a0b\u4e2d\u6267\u884c&#xff0c;\u4e0d\u963b\u585e\u4e3b\u6d41\u7a0b<br \/>\n *\/<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">AsyncUserRegisterListener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">EmailService<\/span> emailService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5f02\u6b65\u53d1\u9001\u6b22\u8fce\u90ae\u4ef6<br \/>\n     * &#064;Async(&#034;eventExecutor&#034;) \u6307\u5b9a\u4f7f\u7528\u7684\u7ebf\u7a0b\u6c60<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Async<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;eventExecutor&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;EventListener<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">sendWelcomeEmail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">UserRegisterEvent<\/span> event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010\u5f02\u6b65\u3011\u5f00\u59cb\u53d1\u9001\u6b22\u8fce\u90ae\u4ef6&#xff0c;\u7ebf\u7a0b: {}&#xff0c;userId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token class-name\">Thread<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">currentThread<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">try<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6a21\u62df\u8017\u65f6\u64cd\u4f5c<\/span><br \/>\n            <span class=\"token class-name\">Thread<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">sleep<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2000<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            emailService<span class=\"token punctuation\">.<\/span><span class=\"token function\">sendWelcomeEmail<\/span><span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getEmail<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getUsername<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010\u5f02\u6b65\u3011\u6b22\u8fce\u90ae\u4ef6\u53d1\u9001\u6210\u529f&#xff0c;userId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> <span class=\"token keyword\">catch<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Exception<\/span> e<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            log<span class=\"token punctuation\">.<\/span><span class=\"token function\">error<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010\u5f02\u6b65\u3011\u6b22\u8fce\u90ae\u4ef6\u53d1\u9001\u5931\u8d25&#xff0c;userId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u5f02\u6b65\u8bb0\u5f55\u6ce8\u518c\u65e5\u5fd7<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Async<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;eventExecutor&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;EventListener<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">recordRegisterLog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">UserRegisterEvent<\/span> event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010\u5f02\u6b65\u3011\u8bb0\u5f55\u6ce8\u518c\u65e5\u5fd7&#xff0c;userId: {}, ip: {}&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getRegisterIp<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u5f02\u6b65\u4e8b\u4ef6\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/p>\n<li>\u5f02\u6b65\u4e8b\u4ef6\u4e2d\u629b\u51fa\u7684\u5f02\u5e38\u4e0d\u4f1a\u4f20\u64ad\u5230\u53d1\u5e03\u4e8b\u4ef6\u7684\u7ebf\u7a0b&#xff0c;\u9700\u8981\u5728\u76d1\u542c\u5668\u5185\u90e8 try-catch<\/li>\n<li>\u5f02\u6b65\u4e8b\u4ef6\u4e2d\u65e0\u6cd5\u83b7\u53d6\u8bf7\u6c42\u4e0a\u4e0b\u6587&#xff08;\u5982 RequestContextHolder\u3001UserContext&#xff09;&#xff0c;\u56e0\u4e3a\u8bf7\u6c42\u7ebf\u7a0b\u5df2\u7ecf\u7ed3\u675f<\/li>\n<li>\u5982\u679c\u9700\u8981\u4e8b\u52a1\u4e00\u81f4\u6027&#xff0c;\u4e0d\u8981\u4f7f\u7528\u5f02\u6b65\u4e8b\u4ef6&#xff08;\u5f02\u6b65\u4e8b\u4ef6\u4e0d\u5728\u4e8b\u52a1\u5185&#xff09;<\/li>\n<li>\u53ef\u4ee5\u4f7f\u7528 &#064;TransactionalEventListener \u5b9e\u73b0\u4e8b\u52a1\u4e8b\u4ef6\u76d1\u542c&#xff08;\u5728\u4e8b\u52a1\u63d0\u4ea4\u540e\u6267\u884c&#xff09;<\/li>\n<p>\u4e8b\u52a1\u4e8b\u4ef6\u76d1\u542c\u5668\u793a\u4f8b&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TransactionalUserRegisterListener<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token comment\">\/**<br \/>\n     * \u4e8b\u52a1\u4e8b\u4ef6\u76d1\u542c\u5668<br \/>\n     * phase &#061; AFTER_COMMIT&#xff1a;\u5728\u4e8b\u52a1\u63d0\u4ea4\u540e\u6267\u884c&#xff08;\u9ed8\u8ba4&#xff09;<br \/>\n     * phase &#061; AFTER_ROLLBACK&#xff1a;\u5728\u4e8b\u52a1\u56de\u6eda\u540e\u6267\u884c<br \/>\n     * phase &#061; AFTER_COMPLETION&#xff1a;\u5728\u4e8b\u52a1\u5b8c\u6210\u540e&#xff08;\u63d0\u4ea4\u6216\u56de\u6eda&#xff09;\u6267\u884c<br \/>\n     * phase &#061; BEFORE_COMMIT&#xff1a;\u5728\u4e8b\u52a1\u63d0\u4ea4\u524d\u6267\u884c<br \/>\n     *\/<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;TransactionalEventListener<\/span><span class=\"token punctuation\">(<\/span>phase <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">TransactionPhase<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">AFTER_COMMIT<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">handleAfterCommit<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">UserRegisterEvent<\/span> event<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010\u4e8b\u52a1\u63d0\u4ea4\u540e\u3011\u7528\u6237\u6ce8\u518c\u6210\u529f&#xff0c;userId: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">.<\/span><span class=\"token function\">getUser<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getId<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5728\u8fd9\u91cc\u6267\u884c\u53ea\u6709\u5728\u4e8b\u52a1\u63d0\u4ea4\u6210\u529f\u540e\u624d\u505a\u7684\u64cd\u4f5c&#xff0c;\u5982\u53d1\u9001\u901a\u77e5<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>\u4e94\u3001\u4e09\u8005\u6267\u884c\u987a\u5e8f\u4e0e\u5d4c\u5957\u5173\u7cfb\u6df1\u5ea6\u89e3\u6790<\/h3>\n<h4>5.1 \u8bf7\u6c42\u8fdb\u5165\u65f6\u7684\u5b8c\u6574\u6267\u884c\u94fe<\/h4>\n<p>\u5ba2\u6237\u7aef<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\n\u3010Tomcat \u8fde\u63a5\u5668\u3011\u63a5\u6536\u8bf7\u6c42&#xff0c;\u521b\u5efa Request\/Response \u5bf9\u8c61<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\n\u3010Filter \u94fe\u3011&#xff08;Servlet \u5bb9\u5668\u5c42&#xff0c;\u6b63\u5e8f\u6267\u884c&#xff09;<br \/>\n  \u2502<br \/>\n  \u251c\u2500\u2500 Filter1.init() \u2192 \u5bb9\u5668\u542f\u52a8\u65f6\u6267\u884c\u4e00\u6b21<br \/>\n  \u251c\u2500\u2500 Filter1.doFilter() \u524d\u7f6e\u903b\u8f91<br \/>\n  \u2502     \u2502<br \/>\n  \u2502     \u251c\u2500\u2500 Filter2.doFilter() \u524d\u7f6e\u903b\u8f91<br \/>\n  \u2502     \u2502     \u2502<br \/>\n  \u2502     \u2502     \u251c\u2500\u2500 Filter3.doFilter() \u524d\u7f6e\u903b\u8f91<br \/>\n  \u2502     \u2502     \u2502     \u2502<br \/>\n  \u2502     \u2502     \u2502     \u25bc<br \/>\n  \u2502     \u2502     \u2502 \u3010DispatcherServlet\u3011&#xff08;Spring MVC \u5165\u53e3&#xff09;<br \/>\n  \u2502     \u2502     \u2502     \u2502<br \/>\n  \u2502     \u2502     \u2502     \u251c\u2500\u2500 1. \u68c0\u67e5\u662f\u5426\u6709 Handler \u6620\u5c04<br \/>\n  \u2502     \u2502     \u2502     \u2502<br \/>\n  \u2502     \u2502     \u2502     \u251c\u2500\u2500 2. \u3010Interceptor \u94fe\u3011preHandle&#xff08;\u6b63\u5e8f&#xff09;<br \/>\n  \u2502     \u2502     \u2502     \u2502     \u251c\u2500\u2500 Interceptor1.preHandle() \u2192 true<br \/>\n  \u2502     \u2502     \u2502     \u2502     \u251c\u2500\u2500 Interceptor2.preHandle() \u2192 true<br \/>\n  \u2502     \u2502     \u2502     \u2502     \u2514\u2500\u2500 Interceptor3.preHandle() \u2192 true<br \/>\n  \u2502     \u2502     \u2502     \u2502<br \/>\n  \u2502     \u2502     \u2502     \u251c\u2500\u2500 3. \u3010Controller \u65b9\u6cd5\u3011\u6267\u884c\u4e1a\u52a1\u903b\u8f91<br \/>\n  \u2502     \u2502     \u2502     \u2502<br \/>\n  \u2502     \u2502     \u2502     \u251c\u2500\u2500 4. \u3010Interceptor \u94fe\u3011postHandle&#xff08;\u5012\u5e8f&#xff09;<br \/>\n  \u2502     \u2502     \u2502     \u2502     \u251c\u2500\u2500 Interceptor3.postHandle()<br \/>\n  \u2502     \u2502     \u2502     \u2502     \u251c\u2500\u2500 Interceptor2.postHandle()<br \/>\n  \u2502     \u2502     \u2502     \u2502     \u2514\u2500\u2500 Interceptor1.postHandle()<br \/>\n  \u2502     \u2502     \u2502     \u2502<br \/>\n  \u2502     \u2502     \u2502     \u2514\u2500\u2500 5. \u89c6\u56fe\u6e32\u67d3&#xff08;JSON \u5e8f\u5217\u5316 \/ \u6a21\u677f\u6e32\u67d3&#xff09;<br \/>\n  \u2502     \u2502     \u2502<br \/>\n  \u2502     \u2502     \u251c\u2500\u2500 Filter3.doFilter() \u540e\u7f6e\u903b\u8f91&#xff08;chain.doFilter() \u4e4b\u540e\u7684\u4ee3\u7801&#xff09;<br \/>\n  \u2502     \u2502     \u2502<br \/>\n  \u2502     \u251c\u2500\u2500 Filter2.doFilter() \u540e\u7f6e\u903b\u8f91<br \/>\n  \u2502     \u2502<br \/>\n  \u251c\u2500\u2500 Filter1.doFilter() \u540e\u7f6e\u903b\u8f91<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\n\u3010Tomcat \u8fde\u63a5\u5668\u3011\u5c06\u54cd\u5e94\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef<\/p>\n<h4>5.2 \u54cd\u5e94\u8fd4\u56de\u65f6\u7684\u5b8c\u6574\u6267\u884c\u94fe<\/h4>\n<p>\u54cd\u5e94\u8fd4\u56de\u65f6&#xff0c;\u6267\u884c\u987a\u5e8f\u4e0e\u8bf7\u6c42\u8fdb\u5165\u65f6\u5b8c\u5168\u76f8\u53cd&#xff1a;<\/p>\n<p>Controller \u65b9\u6cd5\u6267\u884c\u5b8c\u6210<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\nInterceptor3.postHandle()<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\nInterceptor2.postHandle()<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\nInterceptor1.postHandle()<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\n\u89c6\u56fe\u6e32\u67d3&#xff08;HttpMessageConverter \u8f6c\u6362\u8fd4\u56de\u503c&#xff09;<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\nInterceptor3.afterCompletion()<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\nInterceptor2.afterCompletion()<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\nInterceptor1.afterCompletion()<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\nFilter3.doFilter() \u540e\u7f6e\u903b\u8f91&#xff08;chain.doFilter() \u4e4b\u540e&#xff09;<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\nFilter2.doFilter() \u540e\u7f6e\u903b\u8f91<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\nFilter1.doFilter() \u540e\u7f6e\u903b\u8f91<br \/>\n  \u2502<br \/>\n  \u25bc<br \/>\n\u54cd\u5e94\u53d1\u9001\u7ed9\u5ba2\u6237\u7aef<\/p>\n<h4>5.3 \u5f02\u5e38\u53d1\u751f\u65f6\u7684\u6267\u884c\u94fe\u53d8\u5316<\/h4>\n<p>\u573a\u666f\u4e00&#xff1a;Controller \u65b9\u6cd5\u4e2d\u629b\u51fa\u5f02\u5e38<\/p>\n<p>Interceptor1.preHandle() \u2192 true<br \/>\nInterceptor2.preHandle() \u2192 true<br \/>\nController \u65b9\u6cd5 \u2192 \u629b\u51fa\u5f02\u5e38<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n  \u5f02\u5e38\u88ab DispatcherServlet \u6355\u83b7&#xff0c;\u8df3\u8fc7 postHandle<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n  \u3010\u5168\u5c40\u5f02\u5e38\u5904\u7406\u5668\u3011&#064;ExceptionHandler \u5904\u7406\u5f02\u5e38&#xff0c;\u8fd4\u56de Result<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nInterceptor2.afterCompletion()&#xff08;ex \u53c2\u6570\u4e0d\u4e3a null&#xff09;<br \/>\nInterceptor1.afterCompletion()<br \/>\nFilter \u540e\u7f6e\u903b\u8f91\u6b63\u5e38\u6267\u884c<\/p>\n<p>\u573a\u666f\u4e8c&#xff1a;Interceptor2.preHandle() \u8fd4\u56de false<\/p>\n<p>Interceptor1.preHandle() \u2192 true<br \/>\nInterceptor2.preHandle() \u2192 false&#xff08;\u4e2d\u65ad\u8bf7\u6c42&#xff09;<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n  \u8df3\u8fc7 Controller \u548c\u540e\u7eed\u62e6\u622a\u5668<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nInterceptor1.afterCompletion()&#xff08;\u53ea\u6709 preHandle \u8fd4\u56de true \u7684\u62e6\u622a\u5668\u6267\u884c&#xff09;<br \/>\n    &#xff08;Interceptor2 \u548c Interceptor3 \u7684 afterCompletion \u4e0d\u6267\u884c&#xff09;<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\nFilter \u540e\u7f6e\u903b\u8f91\u6b63\u5e38\u6267\u884c<\/p>\n<p>\u573a\u666f\u4e09&#xff1a;Filter \u4e2d\u629b\u51fa\u5f02\u5e38<\/p>\n<p>Filter1.doFilter() \u524d\u7f6e \u2192 \u6b63\u5e38<br \/>\nFilter2.doFilter() \u524d\u7f6e \u2192 \u629b\u51fa\u5f02\u5e38<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n  \u5f02\u5e38\u5411\u4e0a\u4f20\u64ad&#xff0c;\u88ab Tomcat \u5bb9\u5668\u6355\u83b7<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n  Filter1.doFilter() \u540e\u7f6e\u903b\u8f91\u4e0d\u6267\u884c&#xff08;\u56e0\u4e3a chain.doFilter() \u629b\u51fa\u4e86\u5f02\u5e38&#xff09;<br \/>\n    \u2502<br \/>\n    \u25bc<br \/>\n  Tomcat \u8fd4\u56de\u9519\u8bef\u9875\u9762&#xff08;\u6216 ErrorController \u5904\u7406&#xff09;<\/p>\n<p>\u91cd\u8981&#xff1a;Filter \u4e2d\u629b\u51fa\u7684\u5f02\u5e38\u4e0d\u4f1a\u88ab Spring \u7684\u5168\u5c40\u5f02\u5e38\u5904\u7406\u5668&#xff08;&#064;ControllerAdvice&#xff09;\u6355\u83b7&#xff0c;\u56e0\u4e3a\u5f02\u5e38\u53d1\u751f\u5728 Servlet \u5c42&#xff0c;\u8fd8\u6ca1\u8fdb\u5165 DispatcherServlet\u3002\u9700\u8981\u5728 Filter \u5185\u90e8 try-catch \u6216\u4f7f\u7528 ErrorController \u5904\u7406\u3002<\/p>\n<h4>5.4 \u4ee3\u7801\u9a8c\u8bc1&#xff1a;\u6253\u5370\u5b8c\u6574\u6267\u884c\u987a\u5e8f<\/h4>\n<p>\u521b\u5efa\u4e00\u4e2a\u6d4b\u8bd5\u9879\u76ee&#xff0c;\u914d\u7f6e 2 \u4e2a Filter \u548c 2 \u4e2a Interceptor&#xff0c;\u89c2\u5bdf\u6267\u884c\u987a\u5e8f&#xff1a;<\/p>\n<p><span class=\"token comment\">\/\/ Filter1<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TestFilter1<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterChain<\/span> chain<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010Filter1\u3011\u524d\u7f6e&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010Filter1\u3011\u540e\u7f6e&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ Filter2<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TestFilter2<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterChain<\/span> chain<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010Filter2\u3011\u524d\u7f6e&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>request<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010Filter2\u3011\u540e\u7f6e&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ Interceptor1<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TestInterceptor1<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HandlerInterceptor<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">preHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010Interceptor1\u3011preHandle&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">postHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ModelAndView<\/span> modelAndView<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010Interceptor1\u3011postHandle&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">afterCompletion<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Exception<\/span> ex<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010Interceptor1\u3011afterCompletion&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ Interceptor2<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Slf4j<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">TestInterceptor2<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HandlerInterceptor<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">preHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010Interceptor2\u3011preHandle&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">postHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ModelAndView<\/span> modelAndView<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010Interceptor2\u3011postHandle&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">afterCompletion<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Exception<\/span> ex<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u3010Interceptor2\u3011afterCompletion&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6267\u884c\u65e5\u5fd7\u8f93\u51fa&#xff1a;<\/p>\n<p>\u3010Filter1\u3011\u524d\u7f6e<br \/>\n\u3010Filter2\u3011\u524d\u7f6e<br \/>\n\u3010Interceptor1\u3011preHandle<br \/>\n\u3010Interceptor2\u3011preHandle<br \/>\n  \u2192 Controller \u65b9\u6cd5\u6267\u884c<br \/>\n\u3010Interceptor2\u3011postHandle<br \/>\n\u3010Interceptor1\u3011postHandle<br \/>\n\u3010Interceptor2\u3011afterCompletion<br \/>\n\u3010Interceptor1\u3011afterCompletion<br \/>\n\u3010Filter2\u3011\u540e\u7f6e<br \/>\n\u3010Filter1\u3011\u540e\u7f6e<\/p>\n<hr \/>\n<h3>\u516d\u3001\u5e38\u89c1\u95ee\u9898\u4e0e\u89e3\u6cd5\u5bf9\u6bd4<\/h3>\n<h4>6.1 \u8fc7\u6ee4\u5668\u4e0d\u751f\u6548\u7684\u5e38\u89c1\u539f\u56e0<\/h4>\n<table>\n<tr>\u539f\u56e0\u89e3\u6cd5<\/tr>\n<tbody>\n<tr>\n<td>\u6ca1\u6709\u52a0 &#064;WebFilter \u4e14\u542f\u52a8\u7c7b\u6ca1\u6709 &#064;ServletComponentScan<\/td>\n<td>\u6dfb\u52a0\u6ce8\u89e3&#xff0c;\u6216\u6539\u7528 FilterRegistrationBean<\/td>\n<\/tr>\n<tr>\n<td>&#064;WebFilter \u7684 urlPatterns \u914d\u7f6e\u9519\u8bef<\/td>\n<td>\u68c0\u67e5\u8def\u5f84\u6a21\u5f0f&#xff0c;\/* \u8868\u793a\u6240\u6709\u8bf7\u6c42<\/td>\n<\/tr>\n<tr>\n<td>Filter \u7c7b\u6ca1\u6709\u88ab Spring \u626b\u63cf\u5230<\/td>\n<td>\u786e\u4fdd\u5728\u542f\u52a8\u7c7b\u7684\u626b\u63cf\u5305\u4e0b&#xff0c;\u6216\u4f7f\u7528 &#064;Import<\/td>\n<\/tr>\n<tr>\n<td>\u4f7f\u7528 &#064;Component \u6ce8\u518c\u4f46\u8def\u5f84\u88ab\u5176\u4ed6 Filter \u8986\u76d6<\/td>\n<td>\u6539\u7528 FilterRegistrationBean \u7cbe\u786e\u914d\u7f6e<\/td>\n<\/tr>\n<tr>\n<td>\u8fc7\u6ee4\u5668\u4e2d\u629b\u51fa\u5f02\u5e38\u5bfc\u81f4\u540e\u7eed\u4e0d\u6267\u884c<\/td>\n<td>\u5728 Filter \u4e2d try-catch&#xff0c;\u786e\u4fdd chain.doFilter() \u6b63\u5e38\u8c03\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u987a\u5e8f\u95ee\u9898\u5bfc\u81f4\u88ab\u524d\u9762\u7684 Filter \u62e6\u622a\u4e2d\u65ad<\/td>\n<td>\u8c03\u6574 setOrder()&#xff0c;\u786e\u4fdd\u76ee\u6807 Filter \u5728\u524d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>6.2 \u62e6\u622a\u5668\u4e0d\u751f\u6548\u7684\u5e38\u89c1\u539f\u56e0<\/h4>\n<table>\n<tr>\u539f\u56e0\u89e3\u6cd5<\/tr>\n<tbody>\n<tr>\n<td>\u6ca1\u6709\u5b9e\u73b0 HandlerInterceptor \u63a5\u53e3<\/td>\n<td>\u5b9e\u73b0\u63a5\u53e3\u6216\u7ee7\u627f HandlerInterceptorAdapter&#xff08;\u5df2\u5e9f\u5f03&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u6ca1\u6709\u5728 WebMvcConfigurer \u4e2d\u6ce8\u518c<\/td>\n<td>\u5728 addInterceptors \u65b9\u6cd5\u4e2d\u6ce8\u518c<\/td>\n<\/tr>\n<tr>\n<td>addPathPatterns \u914d\u7f6e\u9519\u8bef<\/td>\n<td>\u68c0\u67e5\u8def\u5f84&#xff0c;\/** \u5339\u914d\u6240\u6709\u591a\u5c42\u8def\u5f84<\/td>\n<\/tr>\n<tr>\n<td>\u88ab excludePathPatterns \u6392\u9664\u4e86<\/td>\n<td>\u68c0\u67e5\u6392\u9664\u8def\u5f84\u662f\u5426\u5305\u542b\u76ee\u6807 URL<\/td>\n<\/tr>\n<tr>\n<td>\u6709\u591a\u4e2a WebMvcConfigurer \u914d\u7f6e\u7c7b\u51b2\u7a81<\/td>\n<td>\u5408\u5e76\u5230\u4e00\u4e2a\u914d\u7f6e\u7c7b&#xff0c;\u6216\u786e\u4fdd\u4e0d\u51b2\u7a81<\/td>\n<\/tr>\n<tr>\n<td>\u62e6\u622a\u5668\u4e2d\u6ce8\u5165 Bean \u4e3a null<\/td>\n<td>\u786e\u4fdd\u62e6\u622a\u5668\u7531 Spring \u7ba1\u7406&#xff08;\u52a0 &#064;Component&#xff09;&#xff0c;\u4e0d\u8981 new<\/td>\n<\/tr>\n<tr>\n<td>\u9759\u6001\u8d44\u6e90\u8bf7\u6c42\u4e0d\u7ecf\u8fc7\u62e6\u622a\u5668<\/td>\n<td>\u9759\u6001\u8d44\u6e90\u9ed8\u8ba4\u4e0d\u7ecf\u8fc7 DispatcherServlet&#xff0c;\u9700\u786e\u8ba4\u8bf7\u6c42\u7c7b\u578b<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>6.3 \u8fc7\u6ee4\u5668\u4e2d\u65e0\u6cd5\u6ce8\u5165 Bean \u7684\u95ee\u9898<\/h4>\n<p>\u95ee\u9898\u539f\u56e0&#xff1a;Filter \u662f Servlet \u5bb9\u5668\u7ba1\u7406\u7684&#xff0c;\u4e0d\u662f Spring \u5bb9\u5668\u7ba1\u7406\u7684&#xff0c;\u6240\u4ee5 &#064;Autowired \u4e0d\u751f\u6548\u3002<\/p>\n<p>\u89e3\u6cd5\u4e00&#xff1a;\u4f7f\u7528 FilterRegistrationBean \u6ce8\u518c&#xff08;\u63a8\u8350&#xff09;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FilterConfig<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">UserService<\/span> userService<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u5728\u914d\u7f6e\u7c7b\u4e2d\u6ce8\u5165<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">MyFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">myFilterRegistration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">MyFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u901a\u8fc7\u6784\u9020\u65b9\u6cd5\u4f20\u5165\u4f9d\u8d56<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MyFilter<\/span><span class=\"token punctuation\">(<\/span>userService<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addUrlPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ Filter \u901a\u8fc7\u6784\u9020\u65b9\u6cd5\u6ce8\u5165<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">final<\/span> <span class=\"token class-name\">UserService<\/span> userService<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">MyFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">UserService<\/span> userService<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>userService <span class=\"token operator\">&#061;<\/span> userService<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u89e3\u6cd5\u4e8c&#xff1a;Filter \u52a0 &#064;Component&#xff0c;\u7531 Spring \u7ba1\u7406<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">UserService<\/span> userService<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u53ef\u4ee5\u6ce8\u5165<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u89e3\u6cd5\u4e09&#xff1a;\u901a\u8fc7 SpringContextUtils \u624b\u52a8\u83b7\u53d6 Bean<\/p>\n<p><span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">UserService<\/span> userService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">init<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">FilterConfig<\/span> filterConfig<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u624b\u52a8\u4ece Spring \u5bb9\u5668\u83b7\u53d6<\/span><br \/>\n        <span class=\"token class-name\">ServletContext<\/span> servletContext <span class=\"token operator\">&#061;<\/span> filterConfig<span class=\"token punctuation\">.<\/span><span class=\"token function\">getServletContext<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">ApplicationContext<\/span> context <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">WebApplicationContextUtils<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">getRequiredWebApplicationContext<\/span><span class=\"token punctuation\">(<\/span>servletContext<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">this<\/span><span class=\"token punctuation\">.<\/span>userService <span class=\"token operator\">&#061;<\/span> context<span class=\"token punctuation\">.<\/span><span class=\"token function\">getBean<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">UserService<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>6.4 \u62e6\u622a\u5668\u4e2d\u65e0\u6cd5\u6ce8\u5165 Bean \u7684\u95ee\u9898<\/h4>\n<p>\u95ee\u9898\u539f\u56e0&#xff1a;\u5982\u679c\u5728 WebMvcConfigurer \u4e2d\u4f7f\u7528 new MyInterceptor() \u521b\u5efa\u62e6\u622a\u5668&#xff0c;\u5b83\u4e0d\u53d7 Spring \u7ba1\u7406&#xff0c;\u65e0\u6cd5\u6ce8\u5165 Bean\u3002<\/p>\n<p>\u89e3\u6cd5\u4e00&#xff1a;\u62e6\u622a\u5668\u52a0 &#064;Component&#xff0c;\u5728\u914d\u7f6e\u7c7b\u4e2d\u6ce8\u5165&#xff08;\u63a8\u8350&#xff09;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Component<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">MyInterceptor<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">HandlerInterceptor<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">UserService<\/span> userService<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u53ef\u4ee5\u6ce8\u5165<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">WebMvcConfig<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">WebMvcConfigurer<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">MyInterceptor<\/span> myInterceptor<span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u6ce8\u5165 Spring \u7ba1\u7406\u7684\u62e6\u622a\u5668<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">addInterceptors<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">InterceptorRegistry<\/span> registry<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>myInterceptor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u89e3\u6cd5\u4e8c&#xff1a;\u5728\u914d\u7f6e\u7c7b\u4e2d\u624b\u52a8\u521b\u5efa\u5e76\u6ce8\u5165\u4f9d\u8d56<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">WebMvcConfig<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">WebMvcConfigurer<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">UserService<\/span> userService<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">MyInterceptor<\/span> <span class=\"token function\">myInterceptor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">MyInterceptor<\/span><span class=\"token punctuation\">(<\/span>userService<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>  <span class=\"token comment\">\/\/ \u6784\u9020\u65b9\u6cd5\u6ce8\u5165<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">addInterceptors<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">InterceptorRegistry<\/span> registry<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token function\">myInterceptor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>6.5 \u8fc7\u6ee4\u5668\u4e0e\u62e6\u622a\u5668\u5982\u4f55\u9009\u62e9<\/h4>\n<table>\n<tr>\u9700\u6c42\u63a8\u8350\u7ec4\u4ef6\u539f\u56e0<\/tr>\n<tbody>\n<tr>\n<td>\u7edf\u4e00\u5b57\u7b26\u7f16\u7801<\/td>\n<td>Filter<\/td>\n<td>\u9700\u8981\u5728\u8bf7\u6c42\u8fdb\u5165 Servlet \u4e4b\u524d\u8bbe\u7f6e\u7f16\u7801<\/td>\n<\/tr>\n<tr>\n<td>\u8de8\u57df\u914d\u7f6e&#xff08;CORS&#xff09;<\/td>\n<td>Filter<\/td>\n<td>\u8de8\u57df\u9884\u68c0\u8bf7\u6c42&#xff08;OPTIONS&#xff09;\u53ef\u80fd\u4e0d\u7ecf\u8fc7 DispatcherServlet<\/td>\n<\/tr>\n<tr>\n<td>XSS\/SQL \u6ce8\u5165\u9632\u62a4<\/td>\n<td>Filter<\/td>\n<td>\u9700\u8981\u5305\u88c5 Request&#xff0c;\u5bf9\u6240\u6709\u53c2\u6570\u8fdb\u884c\u8f6c\u4e49<\/td>\n<\/tr>\n<tr>\n<td>\u8bf7\u6c42\/\u54cd\u5e94\u65e5\u5fd7<\/td>\n<td>Filter<\/td>\n<td>\u9700\u8981\u8bb0\u5f55\u5b8c\u6574\u7684\u8bf7\u6c42\u4f53\u548c\u54cd\u5e94\u4f53<\/td>\n<\/tr>\n<tr>\n<td>\u767b\u5f55\u72b6\u6001\u6821\u9a8c<\/td>\n<td>Interceptor<\/td>\n<td>\u9700\u8981\u83b7\u53d6 Controller \u65b9\u6cd5\u4fe1\u606f&#xff0c;\u6392\u9664\u7279\u5b9a\u63a5\u53e3<\/td>\n<\/tr>\n<tr>\n<td>\u6743\u9650\u6821\u9a8c<\/td>\n<td>Interceptor<\/td>\n<td>\u57fa\u4e8e\u6ce8\u89e3\u7684\u7ec6\u7c92\u5ea6\u6743\u9650\u63a7\u5236<\/td>\n<\/tr>\n<tr>\n<td>\u6027\u80fd\u76d1\u63a7<\/td>\n<td>Interceptor<\/td>\n<td>\u9700\u8981\u533a\u5206 Controller \u65b9\u6cd5&#xff0c;\u7cbe\u786e\u5230\u63a5\u53e3\u7ea7\u522b<\/td>\n<\/tr>\n<tr>\n<td>\u9632\u91cd\u590d\u63d0\u4ea4<\/td>\n<td>Interceptor<\/td>\n<td>\u57fa\u4e8e\u6ce8\u89e3&#xff0c;\u53ea\u5bf9\u7279\u5b9a\u63a5\u53e3\u751f\u6548<\/td>\n<\/tr>\n<tr>\n<td>\u9759\u6001\u8d44\u6e90\u5904\u7406<\/td>\n<td>Filter<\/td>\n<td>\u9759\u6001\u8d44\u6e90\u4e0d\u7ecf\u8fc7 DispatcherServlet<\/td>\n<\/tr>\n<tr>\n<td>\u6587\u4ef6\u4e0a\u4f20\u5927\u5c0f\u9650\u5236<\/td>\n<td>Filter<\/td>\n<td>\u9700\u8981\u5728\u8bf7\u6c42\u89e3\u6790\u524d\u9650\u5236\u5927\u5c0f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u9009\u62e9\u539f\u5219&#xff1a;<\/p>\n<li>\u9700\u8981\u4fee\u6539 Request\/Response \u5bf9\u8c61 \u2192 \u7528 Filter<\/li>\n<li>\u9700\u8981\u83b7\u53d6 Controller \u65b9\u6cd5\u4fe1\u606f&#xff08;\u6ce8\u89e3\u3001\u53c2\u6570\u7b49&#xff09; \u2192 \u7528 Interceptor<\/li>\n<li>\u9700\u8981\u5728 Servlet \u5bb9\u5668\u5c42\u5904\u7406&#xff08;\u66f4\u65e9\u6267\u884c&#xff09; \u2192 \u7528 Filter<\/li>\n<li>\u9700\u8981\u7ec6\u7c92\u5ea6\u7684\u63a5\u53e3\u7ea7\u522b\u63a7\u5236 \u2192 \u7528 Interceptor<\/li>\n<li>\u9700\u8981\u76d1\u542c\u4e8b\u4ef6&#xff08;\u542f\u52a8\u3001Session\u3001\u8bf7\u6c42\u751f\u547d\u5468\u671f&#xff09; \u2192 \u7528 Listener<\/li>\n<h4>6.6 \u9759\u6001\u8d44\u6e90\u88ab\u62e6\u622a\u7684\u95ee\u9898<\/h4>\n<p>\u95ee\u9898&#xff1a;\u914d\u7f6e\u4e86 addPathPatterns(&#034;\/**&#034;) \u540e&#xff0c;\u9759\u6001\u8d44\u6e90&#xff08;JS\u3001CSS\u3001\u56fe\u7247&#xff09;\u4e5f\u88ab\u62e6\u622a\u4e86\u3002<\/p>\n<p>\u89e3\u6cd5\u4e00&#xff1a;\u5728\u62e6\u622a\u5668\u4e2d\u6392\u9664\u9759\u6001\u8d44\u6e90\u8def\u5f84<\/p>\n<p>registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>loginInterceptor<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">excludePathPatterns<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                <span class=\"token string\">&#034;\/static\/**&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/public\/**&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/resources\/**&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token string\">&#034;\/**\/*.js&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/**\/*.css&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/**\/*.png&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/**\/*.jpg&#034;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                <span class=\"token string\">&#034;\/**\/*.ico&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/webjars\/**&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/swagger-ui\/**&#034;<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u89e3\u6cd5\u4e8c&#xff1a;\u53ea\u62e6\u622a\u4e1a\u52a1\u63a5\u53e3\u8def\u5f84<\/p>\n<p><span class=\"token comment\">\/\/ \u53ea\u62e6\u622a \/api \u5f00\u5934\u7684\u8bf7\u6c42&#xff0c;\u4e0d\u62e6\u622a\u9759\u6001\u8d44\u6e90<\/span><br \/>\nregistry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>loginInterceptor<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u89e3\u6cd5\u4e09&#xff1a;\u5728\u62e6\u622a\u5668\u7684 preHandle \u4e2d\u5224\u65ad\u8bf7\u6c42\u7c7b\u578b<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">boolean<\/span> <span class=\"token function\">preHandle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">HttpServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">Object<\/span> handler<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u9759\u6001\u8d44\u6e90\u8bf7\u6c42\u7684 handler \u4e0d\u662f HandlerMethod&#xff0c;\u76f4\u63a5\u653e\u884c<\/span><br \/>\n    <span class=\"token keyword\">if<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token operator\">!<\/span><span class=\"token punctuation\">(<\/span>handler <span class=\"token keyword\">instanceof<\/span> <span class=\"token class-name\">HandlerMethod<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token comment\">\/\/ \u4e1a\u52a1\u903b\u8f91&#8230;<\/span><br \/>\n    <span class=\"token keyword\">return<\/span> <span class=\"token boolean\">true<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h4>6.7 \u8de8\u57df\u914d\u7f6e\u7528\u8fc7\u6ee4\u5668\u8fd8\u662f\u62e6\u622a\u5668<\/h4>\n<p>\u63a8\u8350\u7528 Filter&#xff08;CorsFilter&#xff09;&#xff0c;\u539f\u56e0&#xff1a;<\/p>\n<li>\u8de8\u57df\u9884\u68c0\u8bf7\u6c42&#xff08;OPTIONS&#xff09;\u4e0d\u4f1a\u7ecf\u8fc7 DispatcherServlet&#xff0c;\u62e6\u622a\u5668\u65e0\u6cd5\u5904\u7406<\/li>\n<li>CORS \u89c4\u8303\u8981\u6c42\u5728 Servlet \u5bb9\u5668\u5c42\u5904\u7406\u8de8\u57df\u5934<\/li>\n<p>SpringBoot \u63a8\u8350\u914d\u7f6e\u65b9\u5f0f&#xff1a;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">CorsConfig<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">CorsFilter<\/span> <span class=\"token function\">corsFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">CorsConfiguration<\/span> config <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CorsConfiguration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5141\u8bb8\u7684\u6e90<\/span><br \/>\n        config<span class=\"token punctuation\">.<\/span><span class=\"token function\">addAllowedOriginPattern<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5141\u8bb8\u7684\u8bf7\u6c42\u65b9\u6cd5<\/span><br \/>\n        config<span class=\"token punctuation\">.<\/span><span class=\"token function\">addAllowedMethod<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u5141\u8bb8\u7684\u8bf7\u6c42\u5934<\/span><br \/>\n        config<span class=\"token punctuation\">.<\/span><span class=\"token function\">addAllowedHeader<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u662f\u5426\u5141\u8bb8\u643a\u5e26 Cookie<\/span><br \/>\n        config<span class=\"token punctuation\">.<\/span><span class=\"token function\">setAllowCredentials<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ \u9884\u68c0\u8bf7\u6c42\u7f13\u5b58\u65f6\u95f4<\/span><br \/>\n        config<span class=\"token punctuation\">.<\/span><span class=\"token function\">setMaxAge<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3600L<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token class-name\">UrlBasedCorsConfigurationSource<\/span> source <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">UrlBasedCorsConfigurationSource<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        source<span class=\"token punctuation\">.<\/span><span class=\"token function\">registerCorsConfiguration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/**&#034;<\/span><span class=\"token punctuation\">,<\/span> config<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CorsFilter<\/span><span class=\"token punctuation\">(<\/span>source<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a;\u4e0d\u8981\u540c\u65f6\u4f7f\u7528 CorsFilter \u548c WebMvcConfigurer.addCorsMappings()&#xff0c;\u4f1a\u5bfc\u81f4\u91cd\u590d\u914d\u7f6e\u3002\u9009\u62e9\u4e00\u79cd\u5373\u53ef\u3002<\/p>\n<h4>6.8 \u8fc7\u6ee4\u5668\u4e2d\u8bfb\u53d6\u8bf7\u6c42\u4f53\u540e Controller \u62ff\u4e0d\u5230\u6570\u636e<\/h4>\n<p>\u95ee\u9898\u539f\u56e0&#xff1a;HttpServletRequest.getInputStream() \u53ea\u80fd\u8bfb\u4e00\u6b21&#xff0c;\u8fc7\u6ee4\u5668\u4e2d\u8bfb\u53d6\u540e\u6d41\u7684\u4f4d\u7f6e\u5df2\u7ecf\u5230\u672b\u5c3e&#xff0c;Controller \u518d\u8bfb\u5c31\u6ca1\u6709\u6570\u636e\u4e86\u3002<\/p>\n<p>\u89e3\u6cd5\u4e00&#xff1a;\u4f7f\u7528 ContentCachingRequestWrapper&#xff08;Spring \u63d0\u4f9b&#xff09;<\/p>\n<p><span class=\"token annotation punctuation\">&#064;WebFilter<\/span><span class=\"token punctuation\">(<\/span>urlPatterns <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">RequestLogFilter<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">Filter<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ServletRequest<\/span> request<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletResponse<\/span> response<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">FilterChain<\/span> chain<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token keyword\">throws<\/span> <span class=\"token class-name\">IOException<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">ServletException<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">HttpServletRequest<\/span> httpRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token class-name\">HttpServletRequest<\/span><span class=\"token punctuation\">)<\/span> request<span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token comment\">\/\/ Spring \u63d0\u4f9b\u7684\u5305\u88c5\u7c7b&#xff0c;\u4f1a\u7f13\u5b58\u8bf7\u6c42\u4f53<\/span><br \/>\n        <span class=\"token class-name\">ContentCachingRequestWrapper<\/span> wrappedRequest <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">ContentCachingRequestWrapper<\/span><span class=\"token punctuation\">(<\/span>httpRequest<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        chain<span class=\"token punctuation\">.<\/span><span class=\"token function\">doFilter<\/span><span class=\"token punctuation\">(<\/span>wrappedRequest<span class=\"token punctuation\">,<\/span> response<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ \u8bf7\u6c42\u5904\u7406\u5b8c\u6210\u540e&#xff0c;\u53ef\u4ee5\u4ece wrapper \u4e2d\u83b7\u53d6\u7f13\u5b58\u7684\u8bf7\u6c42\u4f53<\/span><br \/>\n        <span class=\"token keyword\">byte<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> content <span class=\"token operator\">&#061;<\/span> wrappedRequest<span class=\"token punctuation\">.<\/span><span class=\"token function\">getContentAsByteArray<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token class-name\">String<\/span> body <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">(<\/span>content<span class=\"token punctuation\">,<\/span> <span class=\"token class-name\">StandardCharsets<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">UTF_8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        log<span class=\"token punctuation\">.<\/span><span class=\"token function\">info<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8bf7\u6c42\u4f53: {}&#034;<\/span><span class=\"token punctuation\">,<\/span> body<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u6ce8\u610f&#xff1a;ContentCachingRequestWrapper \u53ea\u80fd\u5728 chain.doFilter() \u4e4b\u540e\u83b7\u53d6\u8bf7\u6c42\u4f53&#xff08;\u56e0\u4e3a\u5b83\u662f\u5728 Controller \u8bfb\u53d6\u65f6\u624d\u7f13\u5b58\u7684&#xff09;\u3002\u5982\u679c\u9700\u8981\u5728 chain.doFilter() \u4e4b\u524d\u83b7\u53d6\u8bf7\u6c42\u4f53&#xff0c;\u9700\u8981\u81ea\u5b9a\u4e49 Wrapper&#xff08;\u5982\u672c\u6587 2.8 \u8282\u7684 CachedBodyHttpServletRequest&#xff09;\u3002<\/p>\n<p>\u89e3\u6cd5\u4e8c&#xff1a;\u81ea\u5b9a\u4e49\u53ef\u91cd\u590d\u8bfb\u53d6\u7684 RequestWrapper&#xff08;\u672c\u6587 2.8 \u8282&#xff09;<\/p>\n<p>\u9002\u7528\u4e8e\u9700\u8981\u5728\u8fc7\u6ee4\u5668\u524d\u7f6e\u903b\u8f91\u4e2d\u8bfb\u53d6\u8bf7\u6c42\u4f53\u7684\u573a\u666f\u3002<\/p>\n<hr \/>\n<h3>\u4e03\u3001\u751f\u4ea7\u7ea7\u6700\u4f73\u5b9e\u8df5<\/h3>\n<h4>7.1 \u4e09\u8005\u804c\u8d23\u5212\u5206\u539f\u5219<\/h4>\n<p>\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510<br \/>\n\u2502                    \u8bf7\u6c42\u5904\u7406\u94fe\u8def                         \u2502<br \/>\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524<br \/>\n\u2502                                                     \u2502<br \/>\n\u2502  Filter&#xff08;\u8fc7\u6ee4\u5668&#xff09;                                     \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u5b57\u7b26\u7f16\u7801\u8bbe\u7f6e                                     \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u8de8\u57df\u5904\u7406&#xff08;CORS&#xff09;                                \u2502<br \/>\n\u2502  \u251c\u2500\u2500 XSS \/ SQL \u6ce8\u5165\u9632\u62a4                              \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u8bf7\u6c42\/\u54cd\u5e94\u65e5\u5fd7\u8bb0\u5f55                                \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u8bf7\u6c42\u4f53\u5305\u88c5&#xff08;\u53ef\u91cd\u590d\u8bfb\u53d6&#xff09;                          \u2502<br \/>\n\u2502  \u2514\u2500\u2500 \u5168\u5c40\u5b89\u5168\u9632\u62a4&#xff08;\u5982 IP \u9ed1\u767d\u540d\u5355&#xff09;                    \u2502<br \/>\n\u2502                                                     \u2502<br \/>\n\u2502  Interceptor&#xff08;\u62e6\u622a\u5668&#xff09;                                \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u767b\u5f55\u72b6\u6001\u6821\u9a8c                                     \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u63a5\u53e3\u6743\u9650\u6821\u9a8c&#xff08;RBAC&#xff09;                             \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u6570\u636e\u6743\u9650\u8fc7\u6ee4                                     \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u63a5\u53e3\u6027\u80fd\u76d1\u63a7                                     \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u9632\u91cd\u590d\u63d0\u4ea4                                       \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u64cd\u4f5c\u65e5\u5fd7\u8bb0\u5f55&#xff08;\u57fa\u4e8e\u6ce8\u89e3&#xff09;                          \u2502<br \/>\n\u2502  \u2514\u2500\u2500 ThreadLocal \u4e0a\u4e0b\u6587\u7ba1\u7406&#xff08;\u8bbe\u7f6e\/\u6e05\u7406&#xff09;              \u2502<br \/>\n\u2502                                                     \u2502<br \/>\n\u2502  Listener&#xff08;\u76d1\u542c\u5668&#xff09;                                   \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u5e94\u7528\u542f\u52a8\u521d\u59cb\u5316\/\u5173\u95ed\u6e05\u7406                           \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u5728\u7ebf\u4eba\u6570\u7edf\u8ba1                                     \u2502<br \/>\n\u2502  \u251c\u2500\u2500 \u8bf7\u6c42\u8ba1\u6570\/\u5e76\u53d1\u7edf\u8ba1                                \u2502<br \/>\n\u2502  \u251c\u2500\u2500 Session \u5c5e\u6027\u53d8\u5316\u76d1\u542c&#xff08;\u767b\u5f55\/\u9000\u51fa\u65e5\u5fd7&#xff09;             \u2502<br \/>\n\u2502  \u2514\u2500\u2500 Spring \u4e8b\u4ef6\u9a71\u52a8&#xff08;\u89e3\u8026\u4e1a\u52a1\u903b\u8f91&#xff09;                  \u2502<br \/>\n\u2502                                                     \u2502<br \/>\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518<\/p>\n<h4>7.2 \u6027\u80fd\u4f18\u5316\u5efa\u8bae<\/h4>\n<li>\u51cf\u5c11\u8fc7\u6ee4\u5668\u6570\u91cf&#xff1a;\u6bcf\u4e2a\u8fc7\u6ee4\u5668\u90fd\u4f1a\u589e\u52a0\u4e00\u6b21\u65b9\u6cd5\u8c03\u7528&#xff0c;\u5408\u5e76\u529f\u80fd\u76f8\u4f3c\u7684\u8fc7\u6ee4\u5668<\/li>\n<li>\u8fc7\u6ee4\u5668\u4e2d\u907f\u514d\u8017\u65f6\u64cd\u4f5c&#xff1a;\u8fc7\u6ee4\u5668\u4e2d\u7684\u903b\u8f91\u4f1a\u5f71\u54cd\u6240\u6709\u8bf7\u6c42&#xff0c;\u8017\u65f6\u64cd\u4f5c\u5e94\u5f02\u6b65\u5316<\/li>\n<li>\u62e6\u622a\u5668\u7cbe\u786e\u5339\u914d\u8def\u5f84&#xff1a;\u4f7f\u7528 addPathPatterns \u7cbe\u786e\u6307\u5b9a\u62e6\u622a\u8def\u5f84&#xff0c;\u907f\u514d \/** \u5168\u91cf\u62e6\u622a<\/li>\n<li>\u9759\u6001\u8d44\u6e90\u6392\u9664&#xff1a;\u5728\u62e6\u622a\u5668\u4e2d\u6392\u9664\u9759\u6001\u8d44\u6e90&#xff0c;\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u62e6\u622a<\/li>\n<li>ThreadLocal \u53ca\u65f6\u6e05\u7406&#xff1a;\u5728 afterCompletion \u4e2d\u6e05\u7406 ThreadLocal&#xff0c;\u9632\u6b62\u5185\u5b58\u6cc4\u6f0f<\/li>\n<li>\u8bf7\u6c42\u4f53\u7f13\u5b58\u9650\u5236\u5927\u5c0f&#xff1a;\u7f13\u5b58\u8bf7\u6c42\u4f53\u65f6\u8bbe\u7f6e\u6700\u5927\u957f\u5ea6&#xff0c;\u907f\u514d\u5927\u6587\u4ef6\u5bfc\u81f4\u5185\u5b58\u6ea2\u51fa<\/li>\n<li>\u5f02\u6b65\u4e8b\u4ef6\u89e3\u8026&#xff1a;\u975e\u6838\u5fc3\u903b\u8f91&#xff08;\u5982\u53d1\u9001\u90ae\u4ef6\u3001\u8bb0\u5f55\u65e5\u5fd7&#xff09;\u4f7f\u7528 Spring \u5f02\u6b65\u4e8b\u4ef6<\/li>\n<h4>7.3 \u5b89\u5168\u52a0\u56fa\u5efa\u8bae<\/h4>\n<li>XSS \u9632\u62a4&#xff1a;\u4f7f\u7528\u8fc7\u6ee4\u5668\u5bf9\u6240\u6709\u8bf7\u6c42\u53c2\u6570\u8fdb\u884c HTML \u8f6c\u4e49<\/li>\n<li>SQL \u6ce8\u5165\u9632\u62a4&#xff1a;\u4f7f\u7528 MyBatis #{} \u9884\u7f16\u8bd1&#xff0c;\u8fc7\u6ee4\u5668\u4f5c\u4e3a\u8f85\u52a9\u68c0\u6d4b<\/li>\n<li>\u654f\u611f\u4fe1\u606f\u8131\u654f&#xff1a;\u8bf7\u6c42\u65e5\u5fd7\u4e2d\u5bf9\u5bc6\u7801\u3001Token\u3001\u8eab\u4efd\u8bc1\u7b49\u654f\u611f\u5b57\u6bb5\u8131\u654f<\/li>\n<li>\u5f02\u5e38\u4fe1\u606f\u4e0d\u6cc4\u9732&#xff1a;\u8fc7\u6ee4\u5668\/\u62e6\u622a\u5668\u4e2d\u8fd4\u56de\u7edf\u4e00\u9519\u8bef\u4fe1\u606f&#xff0c;\u4e0d\u66b4\u9732\u7cfb\u7edf\u5185\u90e8\u7ec6\u8282<\/li>\n<li>IP \u9ed1\u767d\u540d\u5355&#xff1a;\u5728\u8fc7\u6ee4\u5668\u5c42\u5b9e\u73b0 IP \u8bbf\u95ee\u63a7\u5236<\/li>\n<li>\u8bf7\u6c42\u9891\u7387\u9650\u5236&#xff1a;\u5728\u8fc7\u6ee4\u5668\u5c42\u5b9e\u73b0\u63a5\u53e3\u9650\u6d41&#xff08;\u5982\u57fa\u4e8e Redis \u7684\u4ee4\u724c\u6876\u7b97\u6cd5&#xff09;<\/li>\n<li>\u6587\u4ef6\u4e0a\u4f20\u6821\u9a8c&#xff1a;\u5728\u8fc7\u6ee4\u5668\u5c42\u6821\u9a8c\u6587\u4ef6\u7c7b\u578b\u3001\u5927\u5c0f&#xff0c;\u9632\u6b62\u6076\u610f\u6587\u4ef6\u4e0a\u4f20<\/li>\n<h4>7.4 \u53ef\u89c2\u6d4b\u6027\u5efa\u8bae<\/h4>\n<li>\u8bf7\u6c42\u8017\u65f6\u7edf\u8ba1&#xff1a;\u5728\u8fc7\u6ee4\u5668\u6216\u62e6\u622a\u5668\u4e2d\u8bb0\u5f55\u6bcf\u4e2a\u8bf7\u6c42\u7684\u8017\u65f6<\/li>\n<li>\u6162\u63a5\u53e3\u544a\u8b66&#xff1a;\u8bbe\u7f6e\u8017\u65f6\u9608\u503c&#xff0c;\u8d85\u8fc7\u9608\u503c\u8bb0\u5f55 WARN \u65e5\u5fd7\u5e76\u544a\u8b66<\/li>\n<li>Micrometer \u6307\u6807\u57cb\u70b9&#xff1a;\u5bf9\u8bf7\u6c42\u6570\u3001\u8017\u65f6\u3001\u5f02\u5e38\u6570\u8fdb\u884c\u6307\u6807\u57cb\u70b9<\/li>\n<li>traceId \u94fe\u8def\u8ffd\u8e2a&#xff1a;\u5728\u8fc7\u6ee4\u5668\u4e2d\u751f\u6210 traceId \u5e76\u6ce8\u5165 MDC&#xff0c;\u8d2f\u7a7f\u6574\u4e2a\u8bf7\u6c42\u94fe\u8def<\/li>\n<li>\u64cd\u4f5c\u5ba1\u8ba1\u65e5\u5fd7&#xff1a;\u57fa\u4e8e\u62e6\u622a\u5668 &#043; \u6ce8\u89e3\u8bb0\u5f55\u7528\u6237\u64cd\u4f5c\u65e5\u5fd7&#xff08;\u8c01\u3001\u4ec0\u4e48\u65f6\u95f4\u3001\u505a\u4e86\u4ec0\u4e48\u3001\u7ed3\u679c\u5982\u4f55&#xff09;<\/li>\n<li>\u5728\u7ebf\u4eba\u6570\u76d1\u63a7&#xff1a;\u57fa\u4e8e HttpSessionListener \u7edf\u8ba1\u5728\u7ebf\u4eba\u6570&#xff0c;\u5f02\u5e38\u6ce2\u52a8\u65f6\u544a\u8b66<\/li>\n<hr \/>\n<h3>\u516b\u3001\u5b8c\u6574\u9879\u76ee\u7ed3\u6784\u4e0e\u4ee3\u7801\u6c47\u603b<\/h3>\n<h4>8.1 \u9879\u76ee\u76ee\u5f55\u7ed3\u6784<\/h4>\n<p>src\/main\/java\/com\/example\/<br \/>\n\u251c\u2500\u2500 ExampleApplication.java              # \u542f\u52a8\u7c7b&#xff08;&#064;ServletComponentScan, &#064;EnableAsync&#xff09;<br \/>\n\u2502<br \/>\n\u251c\u2500\u2500 common\/<br \/>\n\u2502   \u251c\u2500\u2500 annotation\/<br \/>\n\u2502   \u2502   \u251c\u2500\u2500 RequirePermission.java       # \u6743\u9650\u6821\u9a8c\u6ce8\u89e3<br \/>\n\u2502   \u2502   \u251c\u2500\u2500 RepeatSubmit.java            # \u9632\u91cd\u590d\u63d0\u4ea4\u6ce8\u89e3<br \/>\n\u2502   \u2502   \u2514\u2500\u2500 DataScope.java               # \u6570\u636e\u6743\u9650\u6ce8\u89e3<br \/>\n\u2502   \u251c\u2500\u2500 context\/<br \/>\n\u2502   \u2502   \u251c\u2500\u2500 UserContext.java             # \u7528\u6237\u4e0a\u4e0b\u6587&#xff08;ThreadLocal&#xff09;<br \/>\n\u2502   \u2502   \u251c\u2500\u2500 UserInfo.java                # \u7528\u6237\u4fe1\u606f<br \/>\n\u2502   \u2502   \u2514\u2500\u2500 DataScopeContext.java        # \u6570\u636e\u6743\u9650\u4e0a\u4e0b\u6587<br \/>\n\u2502   \u2514\u2500\u2500 result\/<br \/>\n\u2502       \u251c\u2500\u2500 Result.java                  # \u7edf\u4e00\u54cd\u5e94\u5c01\u88c5<br \/>\n\u2502       \u2514\u2500\u2500 ResultCode.java              # \u72b6\u6001\u7801\u679a\u4e3e<br \/>\n\u2502<br \/>\n\u251c\u2500\u2500 config\/<br \/>\n\u2502   \u251c\u2500\u2500 FilterConfig.java                # \u8fc7\u6ee4\u5668\u6ce8\u518c\u914d\u7f6e<br \/>\n\u2502   \u251c\u2500\u2500 WebMvcConfig.java                # \u62e6\u622a\u5668\u6ce8\u518c &#043; \u9759\u6001\u8d44\u6e90 &#043; \u8de8\u57df<br \/>\n\u2502   \u251c\u2500\u2500 ListenerConfig.java              # \u76d1\u542c\u5668\u6ce8\u518c\u914d\u7f6e<br \/>\n\u2502   \u251c\u2500\u2500 AsyncConfig.java                 # \u5f02\u6b65\u7ebf\u7a0b\u6c60\u914d\u7f6e<br \/>\n\u2502   \u2514\u2500\u2500 CorsConfig.java                  # \u8de8\u57df\u914d\u7f6e<br \/>\n\u2502<br \/>\n\u251c\u2500\u2500 filter\/<br \/>\n\u2502   \u251c\u2500\u2500 EncodingFilter.java              # \u5b57\u7b26\u7f16\u7801\u8fc7\u6ee4\u5668<br \/>\n\u2502   \u251c\u2500\u2500 XssFilter.java                   # XSS \u9632\u62a4\u8fc7\u6ee4\u5668<br \/>\n\u2502   \u251c\u2500\u2500 XssHttpServletRequestWrapper.java # XSS \u8bf7\u6c42\u5305\u88c5\u5668<br \/>\n\u2502   \u251c\u2500\u2500 SqlInjectFilter.java             # SQL \u6ce8\u5165\u9632\u62a4\u8fc7\u6ee4\u5668<br \/>\n\u2502   \u251c\u2500\u2500 CachedBodyFilter.java            # \u8bf7\u6c42\u4f53\u7f13\u5b58\u8fc7\u6ee4\u5668<br \/>\n\u2502   \u251c\u2500\u2500 CachedBodyHttpServletRequest.java # \u53ef\u91cd\u590d\u8bfb\u53d6\u8bf7\u6c42\u5305\u88c5\u5668<br \/>\n\u2502   \u251c\u2500\u2500 RequestLogFilter.java            # \u8bf7\u6c42\u65e5\u5fd7\u8fc7\u6ee4\u5668<br \/>\n\u2502   \u2514\u2500\u2500 TraceIdFilter.java               # \u94fe\u8def\u8ffd\u8e2a\u8fc7\u6ee4\u5668<br \/>\n\u2502<br \/>\n\u251c\u2500\u2500 interceptor\/<br \/>\n\u2502   \u251c\u2500\u2500 LoginInterceptor.java            # \u767b\u5f55\u6821\u9a8c\u62e6\u622a\u5668<br \/>\n\u2502   \u251c\u2500\u2500 PermissionInterceptor.java       # \u6743\u9650\u6821\u9a8c\u62e6\u622a\u5668<br \/>\n\u2502   \u251c\u2500\u2500 PerformanceInterceptor.java      # \u6027\u80fd\u76d1\u63a7\u62e6\u622a\u5668<br \/>\n\u2502   \u251c\u2500\u2500 RepeatSubmitInterceptor.java     # \u9632\u91cd\u590d\u63d0\u4ea4\u62e6\u622a\u5668<br \/>\n\u2502   \u2514\u2500\u2500 DataScopeInterceptor.java        # \u6570\u636e\u6743\u9650\u62e6\u622a\u5668<br \/>\n\u2502<br \/>\n\u251c\u2500\u2500 listener\/<br \/>\n\u2502   \u251c\u2500\u2500 AppInitListener.java             # \u5e94\u7528\u542f\u52a8\u521d\u59cb\u5316\u76d1\u542c\u5668<br \/>\n\u2502   \u251c\u2500\u2500 OnlineCountListener.java         # \u5728\u7ebf\u4eba\u6570\u7edf\u8ba1\u76d1\u542c\u5668<br \/>\n\u2502   \u251c\u2500\u2500 RequestStatsListener.java        # \u8bf7\u6c42\u8ba1\u6570\u76d1\u542c\u5668<br \/>\n\u2502   \u251c\u2500\u2500 SessionAttributeListener.java    # Session \u5c5e\u6027\u53d8\u5316\u76d1\u542c\u5668<br \/>\n\u2502   \u251c\u2500\u2500 UserRegisterEmailListener.java   # \u7528\u6237\u6ce8\u518c\u90ae\u4ef6\u76d1\u542c\u5668<br \/>\n\u2502   \u251c\u2500\u2500 UserRegisterSmsListener.java     # \u7528\u6237\u6ce8\u518c\u77ed\u4fe1\u76d1\u542c\u5668<br \/>\n\u2502   \u251c\u2500\u2500 AsyncUserRegisterListener.java   # \u5f02\u6b65\u7528\u6237\u6ce8\u518c\u76d1\u542c\u5668<br \/>\n\u2502   \u2514\u2500\u2500 TransactionalUserRegisterListener.java # \u4e8b\u52a1\u4e8b\u4ef6\u76d1\u542c\u5668<br \/>\n\u2502<br \/>\n\u251c\u2500\u2500 event\/<br \/>\n\u2502   \u2514\u2500\u2500 UserRegisterEvent.java           # \u7528\u6237\u6ce8\u518c\u4e8b\u4ef6<br \/>\n\u2502<br \/>\n\u251c\u2500\u2500 plugin\/<br \/>\n\u2502   \u2514\u2500\u2500 DataScopeInterceptor.java         # \u6570\u636e\u6743\u9650 MyBatis \u63d2\u4ef6<br \/>\n\u2502<br \/>\n\u251c\u2500\u2500 controller\/<br \/>\n\u2502   \u251c\u2500\u2500 UserController.java              # \u7528\u6237\u63a5\u53e3<br \/>\n\u2502   \u251c\u2500\u2500 AdminController.java             # \u7ba1\u7406\u5458\u63a5\u53e3<br \/>\n\u2502   \u2514\u2500\u2500 OnlineController.java            # \u5728\u7ebf\u4eba\u6570\u63a5\u53e3<br \/>\n\u2502<br \/>\n\u2514\u2500\u2500 service\/<br \/>\n    \u251c\u2500\u2500 UserService.java                 # \u7528\u6237\u670d\u52a1&#xff08;\u53d1\u5e03\u4e8b\u4ef6&#xff09;<br \/>\n    \u251c\u2500\u2500 PermissionService.java           # \u6743\u9650\u670d\u52a1<br \/>\n    \u251c\u2500\u2500 EmailService.java                # \u90ae\u4ef6\u670d\u52a1<br \/>\n    \u251c\u2500\u2500 SmsService.java                  # \u77ed\u4fe1\u670d\u52a1<br \/>\n    \u2514\u2500\u2500 DictService.java                 # \u5b57\u5178\u670d\u52a1<\/p>\n<h4>8.2 \u6838\u5fc3\u914d\u7f6e\u7c7b\u5b8c\u6574\u4ee3\u7801<\/h4>\n<p>\u542f\u52a8\u7c7b&#xff1a;<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>boot<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">SpringApplication<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>boot<span class=\"token punctuation\">.<\/span>autoconfigure<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">SpringBootApplication<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>boot<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ServletComponentScan<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>scheduling<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">EnableAsync<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;SpringBootApplication<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;ServletComponentScan<\/span><span class=\"token punctuation\">(<\/span>basePackages <span class=\"token operator\">&#061;<\/span> <span class=\"token string\">&#034;com.example.filter&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token annotation punctuation\">&#064;EnableAsync<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ExampleApplication<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">static<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">main<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">String<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span> args<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">SpringApplication<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">run<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ExampleApplication<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">class<\/span><span class=\"token punctuation\">,<\/span> args<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>\u8fc7\u6ee4\u5668\u914d\u7f6e\u7c7b&#xff1a;<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>filter<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>boot<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">FilterRegistrationBean<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Bean<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>core<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Ordered<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">FilterConfig<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">TraceIdFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">traceIdFilterRegistration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">TraceIdFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">TraceIdFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addUrlPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;traceIdFilter&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Ordered<\/span><span class=\"token punctuation\">.<\/span><span class=\"token constant\">HIGHEST_PRECEDENCE<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">EncodingFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">encodingFilterRegistration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">EncodingFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">EncodingFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addUrlPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;encodingFilter&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">CachedBodyFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">cachedBodyFilterRegistration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">CachedBodyFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">CachedBodyFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addUrlPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;cachedBodyFilter&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">XssFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">xssFilterRegistration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">XssFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">XssFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addUrlPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;xssFilter&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Bean<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">RequestLogFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> <span class=\"token function\">requestLogFilterRegistration<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token class-name\">RequestLogFilter<\/span><span class=\"token punctuation\">&gt;<\/span><\/span> registration <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">FilterRegistrationBean<\/span><span class=\"token generics\"><span class=\"token punctuation\">&lt;<\/span><span class=\"token punctuation\">&gt;<\/span><\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">new<\/span> <span class=\"token class-name\">RequestLogFilter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">addUrlPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/*&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setName<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;requestLogFilter&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        registration<span class=\"token punctuation\">.<\/span><span class=\"token function\">setOrder<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n        <span class=\"token keyword\">return<\/span> registration<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p>WebMvc \u914d\u7f6e\u7c7b&#xff1a;<\/p>\n<p><span class=\"token keyword\">package<\/span> <span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>config<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">com<span class=\"token punctuation\">.<\/span>example<span class=\"token punctuation\">.<\/span>interceptor<span class=\"token punctuation\">.<\/span><\/span><span class=\"token operator\">*<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>beans<span class=\"token punctuation\">.<\/span>factory<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Autowired<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>context<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">Configuration<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>config<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">InterceptorRegistry<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>config<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">ResourceHandlerRegistry<\/span><\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">import<\/span> <span class=\"token import\"><span class=\"token namespace\">org<span class=\"token punctuation\">.<\/span>springframework<span class=\"token punctuation\">.<\/span>web<span class=\"token punctuation\">.<\/span>servlet<span class=\"token punctuation\">.<\/span>config<span class=\"token punctuation\">.<\/span>annotation<span class=\"token punctuation\">.<\/span><\/span><span class=\"token class-name\">WebMvcConfigurer<\/span><\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token annotation punctuation\">&#064;Configuration<\/span><br \/>\n<span class=\"token keyword\">public<\/span> <span class=\"token keyword\">class<\/span> <span class=\"token class-name\">WebMvcConfig<\/span> <span class=\"token keyword\">implements<\/span> <span class=\"token class-name\">WebMvcConfigurer<\/span> <span class=\"token punctuation\">{<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">PerformanceInterceptor<\/span> performanceInterceptor<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">LoginInterceptor<\/span> loginInterceptor<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">PermissionInterceptor<\/span> permissionInterceptor<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">RepeatSubmitInterceptor<\/span> repeatSubmitInterceptor<span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token annotation punctuation\">&#064;Autowired<\/span><br \/>\n    <span class=\"token keyword\">private<\/span> <span class=\"token class-name\">DataScopeInterceptor<\/span> dataScopeInterceptor<span class=\"token punctuation\">;<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">addInterceptors<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">InterceptorRegistry<\/span> registry<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token comment\">\/\/ 1. \u6027\u80fd\u76d1\u63a7&#xff08;\u6700\u9ad8\u4f18\u5148\u7ea7&#xff09;<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>performanceInterceptor<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">excludePathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/static\/**&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/public\/**&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/**\/*.js&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/**\/*.css&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 2. \u767b\u5f55\u6821\u9a8c<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>loginInterceptor<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">excludePathPatterns<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                        <span class=\"token string\">&#034;\/api\/user\/login&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/api\/user\/register&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\/api\/user\/sendCode&#034;<\/span><br \/>\n                <span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 3. \u6570\u636e\u6743\u9650<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>dataScopeInterceptor<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">2<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 4. \u9632\u91cd\u590d\u63d0\u4ea4<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>repeatSubmitInterceptor<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">3<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>        <span class=\"token comment\">\/\/ 5. \u6743\u9650\u6821\u9a8c&#xff08;\u7ba1\u7406\u5458\u63a5\u53e3&#xff09;<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addInterceptor<\/span><span class=\"token punctuation\">(<\/span>permissionInterceptor<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addPathPatterns<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/api\/admin\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">order<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">4<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token annotation punctuation\">&#064;Override<\/span><br \/>\n    <span class=\"token keyword\">public<\/span> <span class=\"token keyword\">void<\/span> <span class=\"token function\">addResourceHandlers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">ResourceHandlerRegistry<\/span> registry<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        registry<span class=\"token punctuation\">.<\/span><span class=\"token function\">addResourceHandler<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\/static\/**&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">addResourceLocations<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;classpath:\/static\/&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<hr \/>\n<h3>\u4e5d\u3001\u603b\u7ed3<\/h3>\n<h4>\u6838\u5fc3\u8981\u70b9\u56de\u987e<\/h4>\n<li>\n<p>Filter&#xff08;\u8fc7\u6ee4\u5668&#xff09; \u662f Servlet \u89c4\u8303\u5b9a\u4e49\u7684&#xff0c;\u5728 Servlet \u5bb9\u5668\u5c42\u6267\u884c&#xff0c;\u65e9\u4e8e Spring MVC&#xff0c;\u53ef\u4ee5\u5305\u88c5 Request\/Response&#xff0c;\u9002\u5408\u505a\u7f16\u7801\u3001XSS\u3001\u65e5\u5fd7\u3001\u8de8\u57df\u7b49\u5168\u5c40\u9884\u5904\u7406\u3002<\/p>\n<\/li>\n<li>\n<p>Interceptor&#xff08;\u62e6\u622a\u5668&#xff09; \u662f Spring MVC \u63d0\u4f9b\u7684&#xff0c;\u5728 DispatcherServlet \u5185\u90e8\u6267\u884c&#xff0c;\u53ef\u4ee5\u83b7\u53d6 Controller \u65b9\u6cd5\u4fe1\u606f&#xff0c;\u9002\u5408\u505a\u767b\u5f55\u3001\u6743\u9650\u3001\u6027\u80fd\u76d1\u63a7\u3001\u9632\u91cd\u590d\u63d0\u4ea4\u7b49\u63a5\u53e3\u7ea7\u522b\u7684\u5904\u7406\u3002<\/p>\n<\/li>\n<li>\n<p>Listener&#xff08;\u76d1\u542c\u5668&#xff09; \u57fa\u4e8e\u89c2\u5bdf\u8005\u6a21\u5f0f&#xff0c;\u7528\u4e8e\u76d1\u542c\u5e94\u7528\u542f\u52a8\/\u5173\u95ed\u3001Session \u521b\u5efa\/\u9500\u6bc1\u3001\u8bf7\u6c42\u521b\u5efa\/\u9500\u6bc1\u3001Spring \u4e8b\u4ef6\u7b49&#xff0c;\u9002\u5408\u505a\u521d\u59cb\u5316\u3001\u7edf\u8ba1\u3001\u4e8b\u4ef6\u9a71\u52a8\u89e3\u8026\u3002<\/p>\n<\/li>\n<li>\n<p>\u6267\u884c\u987a\u5e8f&#xff1a;Filter \u524d\u7f6e \u2192 Interceptor preHandle \u2192 Controller \u2192 Interceptor postHandle \u2192 \u89c6\u56fe\u6e32\u67d3 \u2192 Interceptor afterCompletion \u2192 Filter \u540e\u7f6e\u3002Filter \u548c Interceptor \u7684\u540e\u7f6e\u903b\u8f91\u90fd\u662f\u5012\u5e8f\u6267\u884c\u3002<\/p>\n<\/li>\n<li>\n<p>\u9009\u62e9\u539f\u5219&#xff1a;\u9700\u8981\u4fee\u6539 Request\/Response \u7528 Filter&#xff1b;\u9700\u8981\u83b7\u53d6 Controller \u65b9\u6cd5\u4fe1\u606f\u7528 Interceptor&#xff1b;\u9700\u8981\u76d1\u542c\u4e8b\u4ef6\u7528 Listener\u3002<\/p>\n<\/li>\n<li>\n<p>\u6ce8\u610f\u4e8b\u9879&#xff1a;Filter \u4e2d\u629b\u51fa\u7684\u5f02\u5e38\u4e0d\u4f1a\u88ab\u5168\u5c40\u5f02\u5e38\u5904\u7406\u5668\u6355\u83b7&#xff1b;Filter \u4e2d\u8bfb\u53d6\u8bf7\u6c42\u4f53\u540e\u9700\u8981\u5305\u88c5 Request&#xff1b;ThreadLocal \u5fc5\u987b\u5728 afterCompletion \u4e2d\u6e05\u7406&#xff1b;\u5f02\u6b65\u4e8b\u4ef6\u4e2d\u65e0\u6cd5\u83b7\u53d6\u8bf7\u6c42\u4e0a\u4e0b\u6587\u3002<\/p>\n<\/li>\n<h4>\u4e00\u53e5\u8bdd\u603b\u7ed3<\/h4>\n<p>Filter \u662f\u8bf7\u6c42\u7684&#034;\u7b2c\u4e00\u9053\u95e8&#034;&#xff0c;\u8d1f\u8d23\u5168\u5c40\u5b89\u5168\u4e0e\u9884\u5904\u7406&#xff1b;Interceptor \u662f Controller 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