{"id":43724,"date":"2025-06-14T13:21:34","date_gmt":"2025-06-14T05:21:34","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/43724.html"},"modified":"2025-06-14T13:21:34","modified_gmt":"2025-06-14T05:21:34","slug":"jetty%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%b7%a5%e5%85%b7%e5%8c%85%ef%bc%9ajetty-util-6-1-5-jar%e7%9a%84%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/43724.html","title":{"rendered":"Jetty\u670d\u52a1\u5668\u5de5\u5177\u5305\uff1ajetty-util-6.1.5.jar\u7684\u6df1\u5ea6\u89e3\u6790"},"content":{"rendered":"<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250614052133-684d06dd2dcdc.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;Jetty\u662f\u4e00\u4e2a\u8f7b\u91cf\u7ea7\u4e14\u9ad8\u6548\u7684HTTP\u670d\u52a1\u5668\u548cServlet\u5bb9\u5668&#xff0c;\u5e7f\u6cdb\u7528\u4e8eWeb\u5e94\u7528\u7a0b\u5e8f\u90e8\u7f72\u3002jetty-util-6.1.5.jar\u5305\u542b\u4e86\u8fd0\u884c\u65f6\u6240\u9700\u7684\u5b9e\u7528\u5de5\u5177\u548c\u7c7b\u3002\u8be5\u7248\u672c\u63d0\u4f9b\u4e86\u7ebf\u7a0b\u6c60\u7ba1\u7406\u3001\u591a\u79cd\u8fde\u63a5\u5668\u652f\u6301\u3001\u751f\u547d\u5468\u671f\u7ba1\u7406\u3001\u5f02\u6b65I\/O\u3001HTTP\u534f\u8bae\u5904\u7406\u3001URL\u548cURI\u64cd\u4f5c\u3001WebSocket\u652f\u6301\u3001\u5b89\u5168\u6027\u3001\u8ba4\u8bc1\u548c\u65e5\u5fd7\u7cfb\u7edf\u7b49\u5173\u952e\u529f\u80fd\u3002\u5f00\u53d1\u8005\u5728\u4f7f\u7528\u6b64\u5de5\u5177\u5305\u65f6&#xff0c;\u53ef\u4ee5\u66f4\u597d\u5730\u7ba1\u7406\u8d44\u6e90\u3001\u5904\u7406\u5e76\u53d1\u8bf7\u6c42&#xff0c;\u5e76\u5b9e\u73b0\u9ad8\u6548\u5b89\u5168\u7684Web\u670d\u52a1\u3002\u4e86\u89e3jetty-util-6.1.5.jar\u7684\u8bb8\u53ef\u534f\u8bae\u5bf9\u4e8e\u5408\u6cd5\u4f7f\u7528\u548c\u5206\u53d1\u8f6f\u4ef6\u4e5f\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002 <img decoding=\"async\" alt=\"jetty-util-6.1.5.jar\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250614052133-684d06dd393b7.png\" \/> <\/p>\n<h2> 1. Jetty\u670d\u52a1\u5668\u6982\u8ff0\u53ca\u5de5\u5177\u5305\u4f5c\u7528 <\/h2>\n<p> Jetty\u662f\u4e00\u4e2a\u5f00\u6e90\u7684Java HTTP\u670d\u52a1\u5668\u548cServlet\u5bb9\u5668&#xff0c;\u7528\u4e8e\u5f00\u53d1Web\u5e94\u7528\u7a0b\u5e8f\u3002\u5b83\u5c0f\u5de7\u3001\u7075\u6d3b&#xff0c;\u5e76\u4e14\u88ab\u8bbe\u8ba1\u4e3a\u6613\u4e8e\u4f7f\u7528\u548c\u6269\u5c55\u3002Jetty\u63d0\u4f9b\u4e86\u5bf9HTTP\/1.1\u548cHTTP\/2\u534f\u8bae\u7684\u652f\u6301&#xff0c;\u540c\u65f6\u652f\u6301WebSocket\u6280\u672f&#xff0c;\u9002\u7528\u4e8e\u9ad8\u5e76\u53d1\u548c\u4f4e\u5ef6\u8fdf\u7684\u5e94\u7528\u573a\u666f\u3002Jetty\u7684\u5de5\u5177\u5305\u4f5c\u7528\u4e0d\u4ec5\u9650\u4e8eWeb\u670d\u52a1\u5668&#xff0c;\u8fd8\u6d89\u53ca\u5230\u7f51\u7edc\u901a\u4fe1\u3001\u7ebf\u7a0b\u7ba1\u7406\u548c\u8d44\u6e90\u7ba1\u7406\u7b49\u591a\u4e2a\u5c42\u9762&#xff0c;\u4e3aJava\u5e94\u7528\u63d0\u4f9b\u4e86\u4e00\u4e2a\u9ad8\u6548\u7684\u8fd0\u884c\u73af\u5883\u3002 <\/p>\n<h3> 1.1 Jetty\u7684\u6838\u5fc3\u529f\u80fd\u4e0e\u4f18\u52bf <\/h3>\n<p> Jetty\u7684\u6838\u5fc3\u4f18\u52bf\u5728\u4e8e\u5176\u8f7b\u91cf\u7ea7\u7684\u67b6\u6784\u548c\u9ad8\u5ea6\u6a21\u5757\u5316\u7684\u8bbe\u8ba1&#xff0c;\u8fd9\u4f7f\u5f97\u5b83\u53ef\u4ee5\u8f7b\u677e\u5d4c\u5165\u5230\u5927\u578b\u5e94\u7528\u7a0b\u5e8f\u4e2d\u3002\u6b64\u5916&#xff0c;Jetty\u652f\u6301\u70ed\u90e8\u7f72&#xff0c;\u5141\u8bb8\u5728\u4e0d\u91cd\u542f\u670d\u52a1\u5668\u7684\u60c5\u51b5\u4e0b\u52a8\u6001\u5730\u52a0\u8f7d\u548c\u5378\u8f7dWeb\u5e94\u7528\u7a0b\u5e8f&#xff0c;\u4ece\u800c\u5927\u5927\u63d0\u9ad8\u4e86\u5f00\u53d1\u548c\u6d4b\u8bd5\u7684\u6548\u7387\u3002 <\/p>\n<p>\/\/ \u793a\u4f8b\u4ee3\u7801&#xff1a;\u5d4c\u5165\u5f0fJetty\u670d\u52a1\u5668\u542f\u52a8<br \/>\nServer server &#061; new Server(8080);<br \/>\nServerConnector connector &#061; new ServerConnector(server);<br \/>\nserver.setConnectors(new Connector[] { connector });<\/p>\n<p>HandlerCollection handlers &#061; new HandlerCollection();<br \/>\n\/\/ \u6dfb\u52a0\u5904\u7406\u7a0b\u5e8f<br \/>\nhandlers.setHandlers(new Handler[] { &#8230; });<\/p>\n<p>server.setHandler(handlers);<br \/>\nserver.start();<\/p>\n<h3> 1.2 Jetty\u5728\u73b0\u4ee3Web\u5f00\u53d1\u4e2d\u7684\u89d2\u8272 <\/h3>\n<p> \u5728\u73b0\u4ee3Web\u5f00\u53d1\u4e2d&#xff0c;Jetty\u4e0d\u4ec5\u4ec5\u662f\u4f5c\u4e3a\u4e00\u4e2aHTTP\u670d\u52a1\u5668\u4f7f\u7528&#xff0c;\u5b83\u8fd8\u63d0\u4f9b\u4e86\u670d\u52a1\u5668\u7aef\u7f16\u7a0b\u7684\u5f3a\u5927\u529f\u80fd&#xff0c;\u6bd4\u5982Servlet API\u7684\u5b9e\u73b0\u3001\u4f1a\u8bdd\u7ba1\u7406\u548c\u5b89\u5168\u6846\u67b6\u7684\u96c6\u6210\u3002Jetty\u7684\u7075\u6d3b\u914d\u7f6e\u548c\u6269\u5c55\u6027\u4f7f\u5f97\u5b83\u6210\u4e3a\u8bb8\u591a\u4f01\u4e1a\u7ea7\u5e94\u7528\u548c\u6846\u67b6&#xff08;\u5982Eclipse Jetty\u3001Dropwizard\u7b49&#xff09;\u7684\u9996\u9009\u670d\u52a1\u5668\u7ec4\u4ef6\u3002 <\/p>\n<p> \u603b\u4e4b&#xff0c;Jetty\u56e0\u5176\u8f7b\u91cf\u3001\u9ad8\u6548\u548c\u53ef\u6269\u5c55\u6027&#xff0c;\u5728\u73b0\u4ee3IT\u73af\u5883\u4e2d\u626e\u6f14\u4e86\u91cd\u8981\u89d2\u8272\u3002\u5f00\u53d1\u8005\u5728\u9009\u62e9Web\u670d\u52a1\u5668\u65f6&#xff0c;\u53ef\u4ee5\u8003\u8651Jetty\u4f5c\u4e3a\u4e00\u4e2a\u53ef\u9760\u548c\u5f3a\u5927\u7684\u9009\u9879&#xff0c;\u5c24\u5176\u662f\u5728\u9700\u8981\u5d4c\u5165\u5f0f\u670d\u52a1\u5668\u6216\u9ad8\u6027\u80fd\u5e94\u7528\u573a\u666f\u65f6\u3002 <\/p>\n<h2> 2. \u7ebf\u7a0b\u6c60\u7ba1\u7406\u4e0eHTTP\/WS\u8fde\u63a5\u5668\u652f\u6301 <\/h2>\n<h3> 2.1 \u7ebf\u7a0b\u6c60\u7ba1\u7406 <\/h3>\n<h4> 2.1.1 \u7ebf\u7a0b\u6c60\u7684\u914d\u7f6e\u4e0e\u4f18\u5316 <\/h4>\n<p> \u5728Jetty\u670d\u52a1\u5668\u4e2d&#xff0c;\u7ebf\u7a0b\u6c60\u662f\u5904\u7406HTTP\u8bf7\u6c42\u7684\u6838\u5fc3\u7ec4\u4ef6&#xff0c;\u8d1f\u8d23\u8c03\u5ea6\u548c\u7ba1\u7406\u670d\u52a1\u5668\u5185\u90e8\u7684\u7ebf\u7a0b\u8d44\u6e90\u3002\u5408\u7406\u914d\u7f6e\u548c\u4f18\u5316\u7ebf\u7a0b\u6c60\u80fd\u663e\u8457\u63d0\u5347\u670d\u52a1\u5668\u6027\u80fd&#xff0c;\u51cf\u5c11\u8d44\u6e90\u6d6a\u8d39\u3002 <\/p>\n<p> \u9ed8\u8ba4\u60c5\u51b5\u4e0b&#xff0c;Jetty\u4f7f\u7528QueuedThreadPool\u4f5c\u4e3a\u5176\u7ebf\u7a0b\u6c60\u5b9e\u73b0\u3002\u901a\u8fc7\u914d\u7f6ethreadPool\u53c2\u6570&#xff0c;\u6211\u4eec\u53ef\u4ee5\u8c03\u6574\u7ebf\u7a0b\u6c60\u7684\u521d\u59cb\u7ebf\u7a0b\u6570\u3001\u6700\u5927\u7ebf\u7a0b\u6570\u4ee5\u53ca\u961f\u5217\u957f\u5ea6\u3002 <\/p>\n<p>Server server &#061; new Server(8080);<br \/>\nQueuedThreadPool threadPool &#061; new QueuedThreadPool();<br \/>\nthreadPool.setMinThreads(10); \/\/ \u6700\u5c0f\u7ebf\u7a0b\u6570<br \/>\nthreadPool.setMaxThreads(200); \/\/ \u6700\u5927\u7ebf\u7a0b\u6570<br \/>\nthreadPool.setIdleTimeout(30000); \/\/ \u7ebf\u7a0b\u6700\u5927\u7a7a\u95f2\u65f6\u95f4<br \/>\nserver.setThreadPool(threadPool);<\/p>\n<ul>\n<li>  MinThreads  &#xff1a;\u7ebf\u7a0b\u6c60\u7684\u6700\u5c0f\u7ebf\u7a0b\u6570&#xff0c;\u51b3\u5b9a\u4e86\u670d\u52a1\u5668\u5728\u7a7a\u95f2\u65f6\u5c06\u4fdd\u6301\u591a\u5c11\u4e2a\u7ebf\u7a0b\u3002 <\/li>\n<li>  MaxThreads  &#xff1a;\u7ebf\u7a0b\u6c60\u80fd\u591f\u521b\u5efa\u7684\u6700\u5927\u7ebf\u7a0b\u6570&#xff0c;\u662f\u6027\u80fd\u8c03\u8282\u7684\u5173\u952e\u53c2\u6570\u3002 <\/li>\n<li>  IdleTimeout  &#xff1a;\u7a7a\u95f2\u7ebf\u7a0b\u5728\u591a\u5c11\u65f6\u95f4\u5185\u65e0\u4efb\u52a1\u6267\u884c\u4f1a\u88ab\u9500\u6bc1\u3002 <\/li>\n<\/ul>\n<p> \u5728\u8fdb\u884c\u7ebf\u7a0b\u6c60\u4f18\u5316\u65f6&#xff0c;\u8fd8\u9700\u8003\u8651\u4ee5\u4e0b\u56e0\u7d20&#xff1a; <\/p>\n<ul>\n<li>  \u5e94\u7528\u7684\u5e76\u53d1\u9700\u6c42  &#xff1a;\u4e86\u89e3\u5e94\u7528\u7684\u9ad8\u5cf0\u548c\u4f4e\u8c37\u65f6\u6bb5&#xff0c;\u8c03\u6574\u7ebf\u7a0b\u6570\u3002 <\/li>\n<li>  \u4efb\u52a1\u7684\u6267\u884c\u65f6\u95f4  &#xff1a;\u77ed\u4efb\u52a1\u591a\u65f6\u589e\u52a0\u7ebf\u7a0b\u6570&#xff0c;\u957f\u4efb\u52a1\u591a\u65f6\u5219\u51cf\u5c11\u7ebf\u7a0b\u6570\u3002 <\/li>\n<li>  CPU\u548c\u5185\u5b58\u8d44\u6e90  &#xff1a;\u7cfb\u7edf\u8d44\u6e90\u5145\u8db3\u5219\u53ef\u63d0\u5347\u7ebf\u7a0b\u6570&#xff0c;\u8d44\u6e90\u7d27\u5f20\u5219\u51cf\u5c11\u7ebf\u7a0b\u6570\u3002 <\/li>\n<\/ul>\n<h4> 2.1.2 \u7ebf\u7a0b\u6c60\u7684\u6027\u80fd\u76d1\u63a7\u4e0e\u6545\u969c\u8bca\u65ad <\/h4>\n<p> \u6027\u80fd\u76d1\u63a7\u548c\u6545\u969c\u8bca\u65ad\u662f\u786e\u4fdd\u7ebf\u7a0b\u6c60\u7a33\u5b9a\u8fd0\u884c\u7684\u5173\u952e\u3002Jetty\u63d0\u4f9b\u4e86\u591a\u79cd\u5de5\u5177\u548c\u673a\u5236&#xff0c;\u7528\u4e8e\u76d1\u63a7\u7ebf\u7a0b\u6c60\u7684\u72b6\u6001\u548c\u6027\u80fd\u6307\u6807\u3002 <\/p>\n<p> \u901a\u8fc7JMX&#xff08;Java Management Extensions&#xff09;&#xff0c;\u53ef\u4ee5\u8fdc\u7a0b\u76d1\u63a7\u548c\u7ba1\u7406\u7ebf\u7a0b\u6c60\u7684\u8fd0\u884c\u72b6\u6001&#xff0c;\u5982\u6d3b\u8dc3\u7ebf\u7a0b\u6570\u3001\u5df2\u6267\u884c\u4efb\u52a1\u6570\u7b49\u3002 <\/p>\n<p>\/\/ \u6ce8\u518cJMX\u76d1\u63a7<br \/>\nMBeanContainer mbContainer &#061; new MBeanContainer(ManagementFactory.getPlatformMBeanServer());<br \/>\nserver.addEventListener(mbContainer);<br \/>\nserver.start();<\/p>\n<p> \u5bf9\u4e8e\u6545\u969c\u8bca\u65ad&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u7ebf\u7a0b\u8f6c\u50a8\u6765\u67e5\u770b\u5f53\u524d\u7ebf\u7a0b\u6c60\u7684\u72b6\u6001\u548c\u7ebf\u7a0b\u6267\u884c\u5806\u6808\u3002\u5982\u679c\u53d1\u73b0\u7ebf\u7a0b\u6c60\u7ecf\u5e38\u5904\u4e8e\u9971\u548c\u72b6\u6001&#xff0c;\u5efa\u8bae\u589e\u52a0\u7ebf\u7a0b\u6570\u6216\u4f18\u5316\u5e94\u7528\u4ee3\u7801\u3002 <\/p>\n<h3> 2.2 HTTP\u8fde\u63a5\u5668\u652f\u6301 <\/h3>\n<h4> 2.2.1 HTTP\u8fde\u63a5\u5668\u5de5\u4f5c\u539f\u7406 <\/h4>\n<p> HTTP\u8fde\u63a5\u5668\u662fJetty\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u8fdb\u884cHTTP\u901a\u4fe1\u7684\u6865\u6881\u3002\u5b83\u7684\u8bbe\u8ba1\u8981\u5e94\u5bf9\u9ad8\u5e76\u53d1\u7684\u8bf7\u6c42\u5904\u7406&#xff0c;\u5e76\u4fdd\u8bc1\u8bf7\u6c42\u7684\u5feb\u901f\u54cd\u5e94\u3002 <\/p>\n<p> \u5728Jetty\u4e2d&#xff0c;HTTP\u8fde\u63a5\u5668\u7684\u5de5\u4f5c\u539f\u7406\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u6b65\u9aa4&#xff1a; <\/p>\n<li>  \u76d1\u542c\u7aef\u53e3  &#xff1a;HTTP\u8fde\u63a5\u5668\u5728\u6307\u5b9a\u7aef\u53e3\u76d1\u542c\u6765\u81ea\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u8bf7\u6c42\u3002 <\/li>\n<li>  \u63a5\u53d7\u8fde\u63a5  &#xff1a;\u63a5\u53d7\u5ba2\u6237\u7aef\u7684TCP\u8fde\u63a5\u8bf7\u6c42&#xff0c;\u5e76\u5efa\u7acb\u8fde\u63a5\u3002 <\/li>\n<li>  \u8bf7\u6c42\u5904\u7406  &#xff1a;\u89e3\u6790\u5ba2\u6237\u7aef\u7684HTTP\u8bf7\u6c42&#xff0c;\u5e76\u5c06\u5904\u7406\u7ed3\u679c\u901a\u8fc7\u8fde\u63a5\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002 <\/li>\n<li>  \u4f1a\u8bdd\u7ba1\u7406  &#xff1a;\u7ba1\u7406\u4fdd\u6301\u6d3b\u8dc3\u7684\u8fde\u63a5&#xff0c;\u7ef4\u62a4\u4e0e\u5ba2\u6237\u7aef\u7684\u4f1a\u8bdd\u72b6\u6001\u3002 <\/li>\n<h4> 2.2.2 HTTP\u8fde\u63a5\u5668\u7684\u914d\u7f6e\u4e0e\u5e94\u7528\u5b9e\u4f8b <\/h4>\n<p> \u5728Jetty\u4e2d\u914d\u7f6eHTTP\u8fde\u63a5\u5668\u9700\u8981\u521b\u5efa\u4e00\u4e2aConnector\u5b9e\u4f8b&#xff0c;\u5e76\u5c06\u5176\u52a0\u5165\u5230Server\u5bf9\u8c61\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u914d\u7f6e\u793a\u4f8b&#xff1a; <\/p>\n<p>Server server &#061; new Server();<br \/>\n\/\/ \u521b\u5efaHTTP\u8fde\u63a5\u5668<br \/>\nServerConnector httpConnector &#061; new ServerConnector(server);<br \/>\nhttpConnector.setPort(8080); \/\/ \u8bbe\u7f6e\u76d1\u542c\u7aef\u53e3<br \/>\nhttpConnector.setHost(&#034;localhost&#034;);<br \/>\n\/\/ \u5c06\u8fde\u63a5\u5668\u52a0\u5165\u5230\u670d\u52a1\u5668\u4e2d<br \/>\nserver.addConnector(httpConnector);<\/p>\n<p> \u5bf9\u4e8e\u5e94\u7528\u5b9e\u4f8b&#xff0c;\u5047\u5982\u6211\u4eec\u60f3\u8981\u914d\u7f6e\u4e00\u4e2a\u4f7f\u7528SSL\/TLS\u52a0\u5bc6\u7684HTTP\u8fde\u63a5\u5668&#xff0c;\u53ef\u4ee5\u4f7f\u7528SslSelectChannelConnector&#xff1a; <\/p>\n<p>SslSelectChannelConnector sslConnector &#061; new SslSelectChannelConnector();<br \/>\nsslConnector.setPort(8443); \/\/ \u5b89\u5168\u7aef\u53e3<br \/>\nsslConnector.setKeystore(&#034;path\/to\/keystore&#034;); \/\/ \u5bc6\u94a5\u5e93\u8def\u5f84<br \/>\nsslConnector.setKeyPassword(&#034;password&#034;); \/\/ \u5bc6\u94a5\u5e93\u5bc6\u7801<br \/>\nserver.addConnector(sslConnector);<\/p>\n<p> \u5e94\u7528\u5b9e\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u5728Jetty\u670d\u52a1\u5668\u4e2d\u914d\u7f6e\u57fa\u672c\u7684HTTP\u8fde\u63a5\u5668&#xff0c;\u4ee5\u53ca\u5982\u4f55\u4e3a\u8fde\u63a5\u5668\u6dfb\u52a0SSL\/TLS\u652f\u6301&#xff0c;\u4ece\u800c\u5728\u5e94\u7528\u4e2d\u5b9e\u73b0\u66f4\u4e3a\u5b89\u5168\u7684\u6570\u636e\u4f20\u8f93\u3002 <\/p>\n<h3> 2.3 WebSocket\u8fde\u63a5\u5668\u652f\u6301 <\/h3>\n<h4> 2.3.1 WebSocket\u6280\u672f\u6982\u8ff0 <\/h4>\n<p> WebSocket\u662f\u4e00\u79cd\u5728\u5355\u4e2aTCP\u8fde\u63a5\u4e0a\u8fdb\u884c\u5168\u53cc\u5de5\u901a\u4fe1\u7684\u534f\u8bae\u3002\u4e0eHTTP\u4e0d\u540c&#xff0c;WebSocket\u63d0\u4f9b\u4e86\u4e00\u79cd\u5728\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u8fdb\u884c\u53cc\u5411\u5b9e\u65f6\u6570\u636e\u4ea4\u6362\u7684\u624b\u6bb5\u3002\u8fd9\u4f7f\u5f97WebSocket\u975e\u5e38\u9002\u5408\u5b9e\u65f6\u5e94\u7528&#xff0c;\u5982\u804a\u5929\u3001\u5728\u7ebf\u6e38\u620f\u548c\u5b9e\u65f6\u76d1\u63a7\u7b49\u3002 <\/p>\n<p> WebSocket\u534f\u8bae\u5728\u8fde\u63a5\u5efa\u7acb\u65f6\u4f7f\u7528HTTP\u534f\u8bae&#xff0c;\u968f\u540e\u7684\u901a\u4fe1\u5219\u4f7f\u7528\u72ec\u7acb\u7684WebSocket\u5e27\u3002\u8fd9\u79cd\u534f\u8bae\u7684\u5207\u6362\u4f7f\u5f97WebSocket\u53ef\u4ee5\u88ab\u9632\u706b\u5899\u548c\u4ee3\u7406\u670d\u52a1\u5668\u6240\u652f\u6301\u3002 <\/p>\n<h4> 2.3.2 WebSocket\u8fde\u63a5\u5668\u7684\u96c6\u6210\u4e0e\u5e94\u7528 <\/h4>\n<p> \u5c06WebSocket\u96c6\u6210\u5230Jetty\u670d\u52a1\u5668\u6d89\u53ca\u7f16\u5199\u4e00\u4e2aWebSocketHandler&#xff0c;\u8be5\u5904\u7406\u5668\u5904\u7406WebSocket\u7684\u8fde\u63a5\u6253\u5f00\u3001\u6d88\u606f\u63a5\u6536\u3001\u4e8b\u4ef6\u53d1\u751f\u4ee5\u53ca\u8fde\u63a5\u5173\u95ed\u7b49\u4e8b\u4ef6\u3002 <\/p>\n<p> \u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684WebSocket\u8fde\u63a5\u5668\u5e94\u7528\u5b9e\u4f8b&#xff1a; <\/p>\n<p>Server server &#061; new Server();<br \/>\nServerConnector httpConnector &#061; new ServerConnector(server);<br \/>\nhttpConnector.setPort(8080);<br \/>\nserver.addConnector(httpConnector);<\/p>\n<p>HandlerCollection handlers &#061; new HandlerCollection();<br \/>\nWebSocketHandler wsHandler &#061; new WebSocketHandler(){<br \/>\n    &#064;Override<br \/>\n    public void configure(WebSocketServletFactory factory){<br \/>\n        factory.getPolicy().setIdleTimeout(30000);<br \/>\n        factory.getPolicy().setMaxBinaryMessageSize(1024 * 1024);<br \/>\n        factory.getPolicy().setMaxTextMessageSize(1024 * 1024);<br \/>\n        factory.setHandler(new EchoSocket());<br \/>\n    }<br \/>\n};<br \/>\nhandlers.addHandler(wsHandler);<br \/>\nserver.setHandler(handlers);<br \/>\nserver.start();<\/p>\n<p> \u8be5\u5b9e\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u8bbe\u7f6eWebSocket\u8fde\u63a5\u5668&#xff0c;\u5e76\u901a\u8fc7  WebSocketHandler  \u5b9a\u5236\u8fde\u63a5\u5668\u884c\u4e3a\u3002\u5176\u4e2d  EchoSocket  \u662f\u4e00\u4e2a\u7b80\u5355\u7684WebSocket\u5904\u7406\u5668&#xff0c;\u5b83\u4f1a\u56de\u663e\u63a5\u6536\u5230\u7684\u6d88\u606f\u3002 <\/p>\n<p> WebSocket\u8fde\u63a5\u5668\u7684\u96c6\u6210&#xff0c;\u4f7f\u5f97Jetty\u80fd\u591f\u5904\u7406\u590d\u6742\u7684\u5b9e\u65f6\u901a\u4fe1\u9700\u6c42&#xff0c;\u4e3a\u7528\u6237\u63d0\u4f9b\u66f4\u4e3a\u4e30\u5bcc\u548c\u4e92\u52a8\u7684\u7f51\u7edc\u4f53\u9a8c\u3002 <\/p>\n<h2> 3. Jetty\u7ec4\u4ef6\u751f\u547d\u5468\u671f\u4e0e\u5f02\u6b65I\/O <\/h2>\n<p> Jetty\u4f5c\u4e3a\u4e00\u4e2a\u53ef\u5d4c\u5165\u7684HTTP\u670d\u52a1\u5668\u548cServlet\u5bb9\u5668&#xff0c;\u4e3aJava Web\u5e94\u7528\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u652f\u6301\u3002\u7406\u89e3\u5176\u7ec4\u4ef6\u751f\u547d\u5468\u671f\u7ba1\u7406\u548c\u5f02\u6b65I\/O\u7684\u7279\u6027&#xff0c;\u5bf9\u4e8e\u5f00\u53d1\u9ad8\u6027\u80fd\u3001\u9ad8\u5e76\u53d1\u7684Web\u5e94\u7528\u81f3\u5173\u91cd\u8981\u3002\u672c\u7ae0\u5c06\u6df1\u5165\u63a2\u8ba8Jetty\u7684\u7ec4\u4ef6\u751f\u547d\u5468\u671f&#xff0c;\u4ee5\u53ca\u5b83\u5982\u4f55\u5b9e\u73b0\u975e\u963b\u585eI\/O\u6a21\u578b\u7684\u5f02\u6b65\u5904\u7406\u3002 <\/p>\n<h3> 3.1 \u7ec4\u4ef6\u751f\u547d\u5468\u671f\u7ba1\u7406 <\/h3>\n<h4> 3.1.1 \u751f\u547d\u5468\u671f\u4e8b\u4ef6\u4e0e\u76d1\u542c\u5668 <\/h4>\n<p> Jetty\u670d\u52a1\u5668\u7684\u7ec4\u4ef6\u751f\u547d\u5468\u671f\u7ba1\u7406\u662f\u901a\u8fc7\u4e8b\u4ef6\u76d1\u542c\u6a21\u578b\u5b9e\u73b0\u7684\u3002\u6bcf\u4e2a\u7ec4\u4ef6\u5728\u5176\u751f\u547d\u5468\u671f\u7684\u4e0d\u540c\u9636\u6bb5\u90fd\u4f1a\u89e6\u53d1\u4e00\u7cfb\u5217\u4e8b\u4ef6&#xff0c;\u8fd9\u4e9b\u4e8b\u4ef6\u5305\u62ec&#xff1a;\u521d\u59cb\u5316&#xff08;INITIALIZE&#xff09;\u3001\u542f\u52a8&#xff08;STARTED&#xff09;\u3001\u505c\u6b62&#xff08;STOPPED&#xff09;\u7b49\u3002\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u901a\u8fc7\u5b9e\u73b0  LifeCycleListener  \u63a5\u53e3\u6765\u76d1\u542c\u8fd9\u4e9b\u4e8b\u4ef6&#xff0c;\u5e76\u5728\u7279\u5b9a\u9636\u6bb5\u6267\u884c\u81ea\u5b9a\u4e49\u7684\u64cd\u4f5c\u3002 <\/p>\n<p>public class MyLifeCycleListener implements LifeCycle.Listener {<br \/>\n    public void lifeCycleStarted(LifeCycle event) {<br \/>\n        System.out.println(&#034;Server is started.&#034;);<br \/>\n    }<\/p>\n<p>    public void lifeCycleStopped(LifeCycle event) {<br \/>\n        System.out.println(&#034;Server is stopped.&#034;);<br \/>\n    }<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d&#xff0c;\u6211\u4eec\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u76d1\u542c\u5668\u7c7b&#xff0c;\u8be5\u7c7b\u5b9e\u73b0\u4e86  LifeCycle.Listener  \u63a5\u53e3&#xff0c;\u5e76\u8986\u5199\u4e86  lifeCycleStarted  \u548c  lifeCycleStopped  \u65b9\u6cd5\u3002\u5f53\u670d\u52a1\u5668\u542f\u52a8\u548c\u505c\u6b62\u65f6&#xff0c;\u63a7\u5236\u53f0\u5c06\u5206\u522b\u6253\u5370\u51fa\u76f8\u5e94\u7684\u6d88\u606f\u3002 <\/p>\n<p> \u8981\u6ce8\u518c\u76d1\u542c\u5668&#xff0c;\u53ef\u4ee5\u5982\u4e0b\u64cd\u4f5c&#xff1a; <\/p>\n<p>LifeCycle server &#061; &#8230;; \/\/ \u83b7\u53d6Jetty Server\u5b9e\u4f8b<br \/>\nserver.addLifeCycleListener(new MyLifeCycleListener());<\/p>\n<h4> 3.1.2 \u70ed\u90e8\u7f72\u4e0e\u5b9e\u4f8b\u7ba1\u7406 <\/h4>\n<p> \u70ed\u90e8\u7f72\u662fWeb\u5e94\u7528\u5f00\u53d1\u4e2d\u4e00\u4e2a\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd&#xff0c;\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u4e0d\u91cd\u542f\u670d\u52a1\u5668\u7684\u60c5\u51b5\u4e0b\u91cd\u65b0\u90e8\u7f72\u5e94\u7528\u3002Jetty\u5229\u7528\u5176\u7075\u6d3b\u7684\u751f\u547d\u5468\u671f\u7ba1\u7406\u652f\u6301\u70ed\u90e8\u7f72\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u901a\u8fc7\u76d1\u542c\u751f\u547d\u5468\u671f\u4e8b\u4ef6\u6765\u5b9e\u73b0\u8fd9\u4e00\u529f\u80fd\u3002 <\/p>\n<p> \u8981\u5b9e\u73b0\u70ed\u90e8\u7f72&#xff0c;\u901a\u5e38\u9700\u8981\u5728\u4e00\u4e2a\u5faa\u73af\u4e2d\u76d1\u542c\u53d8\u5316\u7684\u6587\u4ef6\u6216\u8005\u901a\u8fc7\u6587\u4ef6\u76d1\u542c\u5668\u6765\u89e6\u53d1\u90e8\u7f72\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b&#xff0c;\u5c55\u793a\u4e86\u5982\u4f55\u5728\u6587\u4ef6\u53d8\u5316\u65f6\u91cd\u65b0\u90e8\u7f72\u5e94\u7528\u4e0a\u4e0b\u6587&#xff1a; <\/p>\n<p>public class ReloadingContextHandler extends ContextHandler {<br \/>\n    &#064;Override<br \/>\n    public void doStart() throws Exception {<br \/>\n        super.doStart();<br \/>\n        \/\/ \u542f\u52a8\u6587\u4ef6\u76d1\u89c6\u5668<br \/>\n        WatchService watchService &#061; FileSystems.getDefault().newWatchService();<br \/>\n        Paths.get(getResourceBase()).register(watchService, StandardWatchEventKinds.ENTRY_MODIFY);<br \/>\n        \/\/ \u521b\u5efa\u7ebf\u7a0b\u76d1\u89c6\u6587\u4ef6\u53d8\u5316<br \/>\n        Thread watchThread &#061; new Thread(() -&gt; {<br \/>\n            while (isRunning()) {<br \/>\n                WatchKey key &#061; watchService.poll();<br \/>\n                if (key !&#061; null) {<br \/>\n                    for (WatchEvent&lt;?&gt; event : key.pollEvents()) {<br \/>\n                        WatchEvent.Kind&lt;?&gt; kind &#061; event.kind();<br \/>\n                        if (StandardWatchEventKinds.ENTRY_MODIFY.equals(kind)) {<br \/>\n                            String filename &#061; event.context().toString();<br \/>\n                            \/\/ \u5f53\u68c0\u6d4b\u5230\u6587\u4ef6\u53d8\u5316\u65f6\u91cd\u65b0\u90e8\u7f72<br \/>\n                            redeploy();<br \/>\n                        }<br \/>\n                    }<br \/>\n                    key.reset();<br \/>\n                }<br \/>\n            }<br \/>\n        });<br \/>\n        watchThread.setDaemon(true);<br \/>\n        watchThread.start();<br \/>\n    }<\/p>\n<p>    private void redeploy() {<br \/>\n        \/\/ \u5b9e\u73b0\u91cd\u65b0\u90e8\u7f72\u903b\u8f91<br \/>\n    }<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d&#xff0c;\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684  ContextHandler  &#xff0c;\u5e76\u5728\u5176  doStart  \u65b9\u6cd5\u4e2d\u6ce8\u518c\u4e86\u4e00\u4e2a\u6587\u4ef6\u76d1\u89c6\u5668\u3002\u5f53\u76d1\u89c6\u5230\u6587\u4ef6\u88ab\u4fee\u6539\u65f6&#xff0c;\u4f1a\u8c03\u7528  redeploy  \u65b9\u6cd5\u91cd\u65b0\u90e8\u7f72\u5e94\u7528\u4e0a\u4e0b\u6587\u3002 <\/p>\n<h3> 3.2 \u975e\u963b\u585eI\/O\u6a21\u578b\u7684\u5f02\u6b65I\/O <\/h3>\n<h4> 3.2.1 \u5f02\u6b65I\/O\u7684\u539f\u7406\u4e0e\u4f18\u52bf <\/h4>\n<p> \u5f02\u6b65I\/O\u5141\u8bb8\u5728\u4e0d\u963b\u585e\u7ebf\u7a0b\u7684\u60c5\u51b5\u4e0b\u8fdb\u884cI\/O\u64cd\u4f5c&#xff0c;\u8fd9\u4f7f\u5f97\u670d\u52a1\u5668\u53ef\u4ee5\u7ee7\u7eed\u5904\u7406\u5176\u4ed6\u8bf7\u6c42&#xff0c;\u4ece\u800c\u663e\u8457\u63d0\u5347\u5e76\u53d1\u5904\u7406\u80fd\u529b\u3002Jetty\u7684\u5f02\u6b65I\/O\u6a21\u578b\u662f\u57fa\u4e8eJava\u7684NIO&#xff08;New I\/O&#xff09;\u5e93\u5b9e\u73b0\u7684&#xff0c;\u5b83\u53ef\u4ee5\u51cf\u5c11\u7ebf\u7a0b\u6570\u91cf&#xff0c;\u63d0\u9ad8\u8d44\u6e90\u5229\u7528\u7387\u3002 <\/p>\n<p> \u5f02\u6b65I\/O\u7684\u4f18\u52bf\u5728\u4e8e&#xff1a; <\/p>\n<ul>\n<li>  \u8d44\u6e90\u9ad8\u6548\u5229\u7528  &#xff1a;\u4e0d\u9700\u8981\u4e3a\u6bcf\u4e2a\u8fde\u63a5\u5206\u914d\u4e00\u4e2a\u7ebf\u7a0b&#xff0c;\u51cf\u5c11\u5185\u5b58\u6d88\u8017\u548c\u4e0a\u4e0b\u6587\u5207\u6362\u5f00\u9500\u3002 <\/li>\n<li>  \u6269\u5c55\u6027\u5f3a  &#xff1a;\u53ef\u4ee5\u5904\u7406\u66f4\u591a\u7684\u5e76\u53d1\u8fde\u63a5&#xff0c;\u9002\u7528\u4e8e\u9ad8\u8d1f\u8f7d\u573a\u666f\u3002 <\/li>\n<li>  \u54cd\u5e94\u65f6\u95f4\u5feb  &#xff1a;\u5373\u4f7f\u5728\u9ad8\u8d1f\u8f7d\u4e0b&#xff0c;\u4e5f\u80fd\u4fdd\u6301\u5feb\u901f\u7684\u54cd\u5e94\u65f6\u95f4\u3002 <\/li>\n<\/ul>\n<p> \u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684Jetty\u5f02\u6b65\u5904\u7406\u793a\u4f8b&#xff1a; <\/p>\n<p>public class AsyncExample {<br \/>\n    public static void main(String[] args) throws Exception {<br \/>\n        Server server &#061; new Server(8080);<br \/>\n        ServletContextHandler context &#061; new ServletContextHandler(server, &#034;\/&#034;, ServletContextHandler.SESSIONS);<br \/>\n        context.addServlet(new ServletHolder(new AsyncServlet()), &#034;\/async&#034;);<\/p>\n<p>        server.start();<br \/>\n        server.join();<br \/>\n    }<\/p>\n<p>    public static class AsyncServlet extends HttpServlet {<br \/>\n        protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {<br \/>\n            AsyncContext asyncContext &#061; request.startAsync();<br \/>\n            asyncContext.start(() -&gt; {<br \/>\n                try {<br \/>\n                    \/\/ \u8fd9\u91cc\u6a21\u62df\u5f02\u6b65\u5904\u7406<br \/>\n                    Thread.sleep(2000);<br \/>\n                    response.setContentType(&#034;text\/html&#034;);<br \/>\n                    PrintWriter out &#061; response.getWriter();<br \/>\n                    out.println(&#034;&lt;h1&gt;Hello from async servlet!&lt;\/h1&gt;&#034;);<br \/>\n                    asyncContext.complete();<br \/>\n                } catch (Exception ex) {<br \/>\n                    asyncContext.complete();<br \/>\n                }<br \/>\n            });<br \/>\n        }<br \/>\n    }<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u8ff0\u793a\u4f8b\u4e2d&#xff0c;\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5f02\u6b65Servlet\u3002\u5f53\u5ba2\u6237\u7aef\u53d1\u8d77GET\u8bf7\u6c42\u65f6&#xff0c;\u670d\u52a1\u5668\u4f1a\u5f02\u6b65\u5904\u7406\u5e76\u8fd4\u56de\u7ed3\u679c\u3002 <\/p>\n<h4> 3.2.2 \u5f02\u6b65\u5904\u7406\u5b9e\u8df5\u6280\u5de7 <\/h4>\n<p> \u5728\u5b9e\u9645\u5f00\u53d1\u4e2d&#xff0c;\u4ee5\u4e0b\u662f\u4e00\u4e9b\u63d0\u5347\u5f02\u6b65\u5904\u7406\u6027\u80fd\u7684\u6280\u5de7&#xff1a; <\/p>\n<ul>\n<li>  \u7406\u89e3\u5e94\u7528\u7684\u5de5\u4f5c\u8d1f\u8f7d  &#xff1a;\u4e86\u89e3\u8bf7\u6c42\u7684\u5904\u7406\u65f6\u95f4\u548c\u9891\u7387&#xff0c;\u4ee5\u6b64\u6765\u8bbe\u8ba1\u5408\u9002\u7684\u5f02\u6b65\u5904\u7406\u7b56\u7565\u3002 <\/li>\n<li>  \u907f\u514d\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u5f02\u6b65\u4efb\u52a1  &#xff1a;\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u4efb\u52a1\u4ecd\u7136\u4f1a\u963b\u585e\u7ebf\u7a0b&#xff0c;\u5e94\u8be5\u8003\u8651\u5c06\u5176\u5206\u89e3\u4e3a\u591a\u4e2a\u77ed\u4efb\u52a1\u3002 <\/li>\n<li>  \u5408\u7406\u914d\u7f6e\u7ebf\u7a0b\u6c60  &#xff1a;\u5408\u7406\u914d\u7f6e\u7ebf\u7a0b\u6c60\u7684\u5927\u5c0f\u548c\u961f\u5217\u5bb9\u91cf\u53ef\u4ee5\u6709\u6548\u5e73\u8861CPU\u548cIO\u7684\u5229\u7528\u7387\u3002 <\/li>\n<li>  \u4f7f\u7528\u4e8b\u4ef6\u9a71\u52a8\u67b6\u6784  &#xff1a;\u8bbe\u8ba1\u5e94\u7528\u65f6&#xff0c;\u91c7\u7528\u4e8b\u4ef6\u9a71\u52a8\u7684\u65b9\u5f0f\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528\u5f02\u6b65\u5904\u7406\u7684\u4f18\u52bf\u3002 <\/li>\n<\/ul>\n<p> Jetty\u63d0\u4f9b\u4e86\u9ad8\u5ea6\u53ef\u914d\u7f6e\u7684\u7ebf\u7a0b\u6c60\u5b9e\u73b0&#xff0c;\u4f8b\u5982  QueuedThreadPool  &#xff0c;\u53ef\u4ee5\u81ea\u5b9a\u4e49\u6700\u5927\u548c\u6700\u5c0f\u7ebf\u7a0b\u6570\u91cf\u4ee5\u53ca\u961f\u5217\u5bb9\u91cf\u3002\u5408\u7406\u914d\u7f6e\u8fd9\u4e9b\u53c2\u6570\u5bf9\u4e8e\u4f18\u5316\u5f02\u6b65\u5904\u7406\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n<p> \u603b\u7ed3\u6765\u8bf4&#xff0c;Jetty\u7684\u7ec4\u4ef6\u751f\u547d\u5468\u671f\u7ba1\u7406\u548c\u5f02\u6b65I\/O\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684\u5f00\u53d1\u9009\u62e9&#xff0c;\u4f7f\u5176\u80fd\u591f\u6784\u5efa\u51fa\u53ef\u6269\u5c55\u6027\u597d\u3001\u9ad8\u5e76\u53d1\u7684Web\u5e94\u7528\u3002\u901a\u8fc7\u6df1\u5165\u7406\u89e3\u8fd9\u4e9b\u673a\u5236&#xff0c;\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u597d\u5730\u5229\u7528Jetty\u63d0\u4f9b\u7684\u5f3a\u5927\u529f\u80fd\u3002 <\/p>\n<h2> 4. HTTP\u534f\u8bae\u5904\u7406\u4e0eURL\/URI\u529f\u80fd <\/h2>\n<h3> 4.1 HTTP\u534f\u8bae\u7684\u5904\u7406\u5de5\u5177 <\/h3>\n<h4> 4.1.1 \u8bf7\u6c42\u548c\u54cd\u5e94\u5904\u7406\u673a\u5236 <\/h4>\n<p> HTTP (HyperText Transfer Protocol) \u534f\u8bae\u662fWeb\u5e94\u7528\u7684\u57fa\u77f3&#xff0c;\u5b83\u5b9a\u4e49\u4e86\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u8bf7\u6c42\u548c\u54cd\u5e94\u6a21\u5f0f\u3002Jetty\u4f5c\u4e3aHTTP\u670d\u52a1\u5668&#xff0c;\u63d0\u4f9b\u4e86\u5168\u9762\u7684\u5de5\u5177\u6765\u5904\u7406HTTP\u8bf7\u6c42\u548c\u54cd\u5e94\u3002\u8fd9\u4e9b\u5de5\u5177\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u4e0d\u540c\u7684\u62bd\u8c61\u5c42\u6b21\u4e0a\u6784\u5efa\u548c\u64cd\u4f5cHTTP\u6d88\u606f\u3002 <\/p>\n<p> \u5728Jetty\u4e2d&#xff0c;HTTP\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u5904\u7406\u673a\u5236\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u5173\u952e\u6b65\u9aa4&#xff1a; <\/p>\n<ul>\n<li> \u89e3\u6790\u8bf7\u6c42&#xff1a;\u5f53HTTP\u8bf7\u6c42\u5230\u8fbe\u670d\u52a1\u5668\u65f6&#xff0c;Jetty\u9996\u5148\u89e3\u6790\u8bf7\u6c42\u884c\u3001\u5934\u90e8\u548c\u6d88\u606f\u4f53\u3002 <\/li>\n<li> \u8bf7\u6c42\u5904\u7406&#xff1a;\u6839\u636e\u8bf7\u6c42\u7684\u7c7b\u578b\u548c\u5185\u5bb9&#xff0c;\u670d\u52a1\u5668\u5c06\u8bf7\u6c42\u8def\u7531\u5230\u76f8\u5e94\u7684\u5904\u7406\u5668&#xff08;Handler&#xff09;\u3002 <\/li>\n<li> \u54cd\u5e94\u751f\u6210&#xff1a;\u5904\u7406\u5668\u751f\u6210\u54cd\u5e94&#xff0c;\u5305\u62ec\u72b6\u6001\u7801\u3001\u5934\u90e8\u4fe1\u606f\u4ee5\u53ca\u6d88\u606f\u4f53\u3002 <\/li>\n<li> \u53d1\u9001\u54cd\u5e94&#xff1a;\u670d\u52a1\u5668\u5c06\u54cd\u5e94\u53d1\u9001\u56de\u5ba2\u6237\u7aef&#xff0c;\u5e76\u901a\u8fc7\u8fde\u63a5\u5668\u652f\u6301\u5b8c\u6210\u6574\u4e2aHTTP\u4ea4\u4e92\u8fc7\u7a0b\u3002 <\/li>\n<\/ul>\n<p> \u4e0b\u9762\u662f\u89e3\u6790\u548c\u5904\u7406HTTP\u8bf7\u6c42\u7684\u4e00\u4e2a\u7b80\u5355\u4ee3\u7801\u793a\u4f8b&#xff1a; <\/p>\n<p>\/\/ \u521b\u5efa\u4e00\u4e2aHTTP\u670d\u52a1\u5668<br \/>\nServer server &#061; new Server(8080);<\/p>\n<p>\/\/ \u521b\u5efa\u4e00\u4e2aHandler\u6765\u5904\u7406HTTP\u8bf7\u6c42<br \/>\nHandlerList handlers &#061; new HandlerList();<br \/>\nhandlers.addHandler(new AbstractHandler() {<br \/>\n    &#064;Override<br \/>\n    public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {<br \/>\n        \/\/ \u8bbe\u7f6e\u54cd\u5e94\u5934<br \/>\n        response.setContentType(&#034;text\/plain&#034;);<br \/>\n        response.setStatus(HttpServletResponse.SC_OK);<br \/>\n        \/\/ \u5199\u5165\u54cd\u5e94\u4f53<br \/>\n        PrintWriter out &#061; response.getWriter();<br \/>\n        out.println(&#034;Hello World&#034;);<br \/>\n        \/\/ \u54cd\u5e94\u7ed3\u675f\u6807\u8bb0<br \/>\n        baseRequest.setHandled(true);<br \/>\n    }<br \/>\n});<\/p>\n<p>\/\/ \u5c06\u5904\u7406\u5668\u6dfb\u52a0\u5230\u670d\u52a1\u5668<br \/>\nserver.setHandler(handlers);<\/p>\n<p>\/\/ \u542f\u52a8\u670d\u52a1\u5668<br \/>\nserver.start();<br \/>\nserver.join();<\/p>\n<p> \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d&#xff0c;\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5904\u7406\u5668&#xff0c;\u5b83\u54cd\u5e94\u6240\u6709\u5230\u8fbe\u670d\u52a1\u5668\u7684\u8bf7\u6c42&#xff0c;\u5e76\u8fd4\u56de\u4e00\u4e2a\u7b80\u5355\u7684\u6587\u672c\u6d88\u606f\u3002\u8fd9\u662f\u4e00\u4e2a\u975e\u5e38\u57fa\u7840\u7684\u4f8b\u5b50&#xff0c;\u5b9e\u9645\u5e94\u7528\u4e2d\u5904\u7406\u5668\u4f1a\u66f4\u52a0\u590d\u6742&#xff0c;\u4f8b\u5982&#xff0c;\u53ef\u80fd\u9700\u8981\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u8bf7\u6c42&#xff0c;\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1&#xff0c;\u6216\u8005\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u54cd\u5e94\u5185\u5bb9\u3002 <\/p>\n<h4> 4.1.2 \u5185\u5bb9\u7f16\u7801\u548c\u7f13\u5b58\u63a7\u5236 <\/h4>\n<p> \u5185\u5bb9\u7f16\u7801\u662fHTTP\u534f\u8bae\u4e2d\u7528\u4e8e\u538b\u7f29\u6570\u636e\u7684\u4e00\u79cd\u673a\u5236&#xff0c;\u4ee5\u51cf\u5c11\u4f20\u8f93\u91cf&#xff0c;\u5e38\u7528\u7684\u7f16\u7801\u65b9\u5f0f\u5305\u62ecgzip\u548cdeflate\u3002\u7f13\u5b58\u63a7\u5236\u5141\u8bb8\u670d\u52a1\u5668\u901a\u8fc7\u8bbe\u7f6eHTTP\u5934\u90e8\u6765\u6307\u793a\u5ba2\u6237\u7aef\u662f\u5426\u53ef\u4ee5\u7f13\u5b58\u54cd\u5e94\u5185\u5bb9\u3002 <\/p>\n<p> \u4e3a\u4e86\u5b9e\u73b0\u5185\u5bb9\u7f16\u7801\u548c\u7f13\u5b58\u63a7\u5236&#xff0c;Jetty\u63d0\u4f9b\u4e86\u7075\u6d3b\u7684API\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u8bbe\u7f6e\u5185\u5bb9\u7f16\u7801\u548c\u7f13\u5b58\u63a7\u5236\u7684\u5904\u7406\u5668\u793a\u4f8b&#xff1a; <\/p>\n<p>\/\/ \u521b\u5efa\u4e00\u4e2a\u65b0\u7684Handler\u7528\u4e8e\u5904\u7406\u5185\u5bb9\u7f16\u7801\u548c\u7f13\u5b58\u63a7\u5236<br \/>\nHandlerList handlers &#061; new HandlerList();<br \/>\nhandlers.addHandler(new AbstractHandler() {<br \/>\n    &#064;Override<br \/>\n    public void handle(String target, Request baseRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {<br \/>\n        \/\/ \u8bbe\u7f6e\u5185\u5bb9\u7f16\u7801<br \/>\n        response.setHeader(&#034;Content-Encoding&#034;, &#034;gzip&#034;);<br \/>\n        \/\/ \u8bbe\u7f6e\u7f13\u5b58\u63a7\u5236<br \/>\n        response.setHeader(&#034;Cache-Control&#034;, &#034;max-age&#061;3600&#034;);<br \/>\n        \/\/ \u8bbe\u7f6e\u54cd\u5e94\u72b6\u6001\u548c\u7c7b\u578b<br \/>\n        response.setStatus(HttpServletResponse.SC_OK);<br \/>\n        response.setContentType(&#034;text\/plain&#034;);<br \/>\n        \/\/ \u83b7\u53d6\u8f93\u51fa\u6d41\u8fdb\u884c\u7f16\u7801\u548c\u8f93\u51fa<br \/>\n        try (OutputStream out &#061; new GZIPOutputStream(response.getOutputStream())) {<br \/>\n            out.write(&#034;Compressed Hello World&#034;.getBytes(StandardCharsets.UTF_8));<br \/>\n        }<br \/>\n        \/\/ \u54cd\u5e94\u7ed3\u675f\u6807\u8bb0<br \/>\n        baseRequest.setHandled(true);<br \/>\n    }<br \/>\n});<\/p>\n<p> \u5728\u8fd9\u4e2a\u5904\u7406\u5668\u4e2d&#xff0c;\u6211\u4eec\u8bbe\u7f6e\u4e86\u5185\u5bb9\u7f16\u7801\u4e3agzip&#xff0c;\u5e76\u4e14\u8bbe\u7f6e\u4e86\u7f13\u5b58\u63a7\u5236\u6307\u4ee4&#xff0c;\u544a\u8bc9\u5ba2\u6237\u7aef\u53ef\u4ee5\u7f13\u5b58\u54cd\u5e94\u5185\u5bb9\u6700\u957f3600\u79d2\u3002\u7136\u540e\u6211\u4eec\u4f7f\u7528gzip\u8f93\u51fa\u6d41\u8f93\u51fa\u4e86\u538b\u7f29\u7684\u5185\u5bb9\u3002\u8fd9\u6837\u7684\u5904\u7406\u80fd\u6709\u6548\u51cf\u5c11\u6570\u636e\u4f20\u8f93\u91cf&#xff0c;\u63d0\u9ad8\u5e94\u7528\u6027\u80fd\u3002 <\/p>\n<h3> 4.2 URL\u548cURI\u5904\u7406\u529f\u80fd <\/h3>\n<h4> 4.2.1 URL\u89e3\u6790\u4e0e\u6784\u5efa <\/h4>\n<p> URL&#xff08;Uniform Resource Locator&#xff09;\u8868\u793a\u4e92\u8054\u7f51\u4e0a\u8d44\u6e90\u7684\u4f4d\u7f6e&#xff0c;\u800cURI&#xff08;Uniform Resource Identifier&#xff09;\u662f\u66f4\u4e3a\u5e7f\u4e49\u7684\u8d44\u6e90\u6807\u8bc6\u7b26&#xff0c;\u5305\u62ecURL\u548cURN&#xff08;Uniform Resource Name&#xff09;\u3002\u5728Jetty\u4e2d&#xff0c;\u53ef\u4ee5\u4f7f\u7528Java\u7684  java.net.URL  \u7c7b\u6765\u89e3\u6790\u548c\u6784\u5efaURL&#xff0c;\u800cURI\u7684\u5904\u7406\u5219\u66f4\u4e3a\u901a\u7528\u548c\u7075\u6d3b\u3002 <\/p>\n<p> \u89e3\u6790URL\u53ef\u4ee5\u83b7\u53d6\u534f\u8bae\u7c7b\u578b\u3001\u4e3b\u673a\u540d\u3001\u7aef\u53e3\u53f7\u3001\u8def\u5f84\u3001\u67e5\u8be2\u53c2\u6570\u7b49\u4fe1\u606f&#xff0c;\u800c\u6784\u5efaURL\u5219\u9700\u8981\u6b63\u786e\u5730\u7ec4\u7ec7\u8fd9\u4e9b\u7ec4\u4ef6\u3002Jetty\u672c\u8eab\u4e0d\u76f4\u63a5\u63d0\u4f9bURL\u6216URI\u7684\u89e3\u6790\u548c\u6784\u5efa\u5de5\u5177&#xff0c;\u4f46\u662f\u53ef\u4ee5\u901a\u8fc7Java\u6807\u51c6\u5e93\u6765\u5b8c\u6210\u8fd9\u9879\u5de5\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528Java\u6807\u51c6\u5e93\u89e3\u6790\u548c\u6784\u5efaURL\u7684\u4f8b\u5b50&#xff1a; <\/p>\n<p>import java.net.URL;<br \/>\nimport java.net.URLDecoder;<br \/>\nimport java.util.Map;<br \/>\nimport java.util.stream.Collectors;<\/p>\n<p>\/\/ \u793a\u4f8bURL<br \/>\nString urlString &#061; &#034;http:\/\/example.com\/path\/to\/resource?query&#061;param1&amp;query&#061;param2#fragment&#034;;<\/p>\n<p>\/\/ \u89e3\u6790URL<br \/>\nURL url &#061; new URL(urlString);<br \/>\nMap&lt;String, String&gt; queryMap &#061;<br \/>\n    java.util.Arrays.stream(url.getQuery().split(&#034;&amp;&#034;))<br \/>\n    .collect(Collectors.toMap(<br \/>\n        param -&gt; param.split(&#034;&#061;&#034;)[0],<br \/>\n        param -&gt; URLDecoder.decode(param.split(&#034;&#061;&#034;)[1], StandardCharsets.UTF_8)<br \/>\n    ));<\/p>\n<p>\/\/ \u6253\u5370\u89e3\u6790\u7ed3\u679c<br \/>\nSystem.out.println(&#034;URL\u534f\u8bae: &#034; &#043; url.getProtocol());<br \/>\nSystem.out.println(&#034;URL\u8def\u5f84: &#034; &#043; url.getPath());<br \/>\nSystem.out.println(&#034;URL\u67e5\u8be2\u53c2\u6570: &#034; &#043; queryMap);<\/p>\n<p>\/\/ \u6784\u5efa\u65b0URL<br \/>\nString newQuery &#061; queryMap.entrySet().stream()<br \/>\n    .map(entry -&gt; entry.getKey() &#043; &#034;&#061;&#034; &#043; entry.getValue())<br \/>\n    .collect(Collectors.joining(&#034;&amp;&#034;));<br \/>\nString newUrlString &#061; url.getProtocol() &#043; &#034;:\/\/&#034; &#043; url.getHost() &#043; url.getPath() &#043; &#034;?&#034; &#043; newQuery &#043; &#034;#&#034; &#043; url.getRef();<br \/>\nURL newUrl &#061; new URL(newUrlString);<\/p>\n<p>\/\/ \u6253\u5370\u65b0\u6784\u5efa\u7684URL<br \/>\nSystem.out.println(&#034;\u6784\u5efa\u7684\u65b0URL: &#034; &#043; newUrl.toExternalForm());<\/p>\n<p> \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d&#xff0c;\u6211\u4eec\u9996\u5148\u89e3\u6790\u4e86\u4e00\u4e2a\u793a\u4f8bURL&#xff0c;\u83b7\u53d6\u4e86\u5b83\u7684\u534f\u8bae\u3001\u8def\u5f84\u548c\u67e5\u8be2\u53c2\u6570&#xff0c;\u5e76\u5c06\u67e5\u8be2\u53c2\u6570\u5b58\u50a8\u5728\u4e86  Map  \u4e2d\u3002\u7136\u540e\u6211\u4eec\u6784\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684URL&#xff0c;\u4f7f\u7528\u4e86\u539f\u6709URL\u7684\u534f\u8bae\u548c\u4e3b\u673a\u540d&#xff0c;\u4f46\u4fee\u6539\u4e86\u8def\u5f84\u548c\u67e5\u8be2\u53c2\u6570\u3002\u6700\u7ec8&#xff0c;\u6211\u4eec\u6253\u5370\u51fa\u4e86\u65b0\u6784\u5efa\u7684URL\u7684\u5916\u90e8\u8868\u73b0\u5f62\u5f0f\u3002 <\/p>\n<h4> 4.2.2 URI\u6a21\u677f\u4e0e\u8d44\u6e90\u5b9a\u4f4d <\/h4>\n<p> URI\u6a21\u677f\u662f\u4e00\u79cd\u8868\u8fbeURI\u7684\u4e00\u79cd\u65b9\u5f0f&#xff0c;\u5b83\u5141\u8bb8\u5728URI\u4e2d\u4f7f\u7528\u53d8\u91cf&#xff0c;\u8fd9\u4e9b\u53d8\u91cf\u5728\u5b9e\u9645\u4f7f\u7528\u65f6\u4f1a\u88ab\u66ff\u6362\u4e3a\u5177\u4f53\u7684\u503c\u3002\u5728Web\u5e94\u7528\u4e2d&#xff0c;URI\u6a21\u677f\u5e38\u7528\u4e8eRESTful API&#xff0c;\u7528\u6765\u5b9a\u4e49\u8d44\u6e90\u5b9a\u4f4d\u548c\u64cd\u4f5c\u7684\u63a5\u53e3\u3002 <\/p>\n<p> URI\u6a21\u677f\u53ef\u4ee5\u4f7f\u7528\u5360\u4f4d\u7b26&#xff0c;\u4f8b\u5982  \/users\/{userId}  &#xff0c;\u8fd9\u91cc  {userId}  \u662f\u4e00\u4e2a\u53d8\u91cf&#xff0c;\u53ef\u4ee5\u88ab\u5b9e\u9645\u7684\u7528\u6237ID\u503c\u66ff\u6362\u3002Jetty\u672c\u8eab\u4e0d\u76f4\u63a5\u652f\u6301URI\u6a21\u677f&#xff0c;\u4f46\u53ef\u4ee5\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u5982Jersey\u6216Spring\u6846\u67b6\u6765\u5904\u7406URI\u6a21\u677f\u3002 <\/p>\n<p> \u867d\u7136\u672c\u7ae0\u8282\u4e13\u6ce8\u4e8eJetty&#xff0c;\u4e3a\u4fdd\u6301\u5185\u5bb9\u7684\u5b8c\u6574\u6027&#xff0c;\u8fd9\u91cc\u63d0\u4f9b\u4e00\u4e2a\u7b80\u5355\u7684URI\u6a21\u677f\u5904\u7406\u7684\u4f8b\u5b50&#xff0c;\u4ee5\u4fbf\u8bfb\u8005\u4e86\u89e3\u5176\u6982\u5ff5&#xff1a; <\/p>\n<p>import org.apache.commons.text.StringSubstitutor;<\/p>\n<p>String template &#061; &#034;\/users\/${userId}&#034;;<br \/>\nMap&lt;String, String&gt; params &#061; Map.of(&#034;userId&#034;, &#034;123&#034;);<\/p>\n<p>StringSubstitutor substitutor &#061; new StringSubstitutor(params);<br \/>\nString resolvedPath &#061; substitutor.replace(template);<\/p>\n<p>\/\/ \u8f93\u51fa: \/users\/123<br \/>\nSystem.out.println(resolvedPath);<\/p>\n<p> \u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d&#xff0c;\u6211\u4eec\u4f7f\u7528\u4e86Apache Commons Text\u5e93\u7684  StringSubstitutor  \u7c7b\u6765\u5904\u7406URI\u6a21\u677f\u7684\u66ff\u6362\u3002\u9996\u5148\u5b9a\u4e49\u4e86\u4e00\u4e2a\u5305\u542b\u53d8\u91cf\u7684\u6a21\u677f&#xff0c;\u7136\u540e\u901a\u8fc7\u4e00\u4e2a\u5305\u542b\u5177\u4f53\u53c2\u6570\u7684  Map  \u6765\u66ff\u6362\u8fd9\u4e9b\u53d8\u91cf&#xff0c;\u6700\u540e\u5f97\u5230\u4e86\u4e00\u4e2a\u5b8c\u6574\u7684\u3001\u5b9e\u9645\u53ef\u7528\u7684\u8def\u5f84\u3002 <\/p>\n<p> \u672c\u7ae0\u8282\u7684\u5185\u5bb9\u6db5\u76d6\u4e86HTTP\u534f\u8bae\u5904\u7406\u5de5\u5177\u7684\u4f7f\u7528\u548cURL\/URI\u5904\u7406\u529f\u80fd\u7684\u4ecb\u7ecd&#xff0c;\u8fd9\u4e9b\u662f\u6784\u5efa\u548c\u7ef4\u62a4Web\u5e94\u7528\u4e2d\u7684\u57fa\u7840\u800c\u91cd\u8981\u7684\u77e5\u8bc6\u70b9\u3002\u901a\u8fc7\u5b9e\u9645\u7684\u4ee3\u7801\u793a\u4f8b\u548c\u89e3\u91ca&#xff0c;\u6211\u4eec\u6df1\u5165\u63a2\u8ba8\u4e86HTTP\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u5904\u7406\u673a\u5236&#xff0c;\u5185\u5bb9\u7f16\u7801\u548c\u7f13\u5b58\u63a7\u5236\u7684\u5e94\u7528&#xff0c;\u4ee5\u53caURL\u548cURI\u7684\u89e3\u6790\u548c\u6784\u5efa\u3002\u8fd9\u4e9b\u5185\u5bb9\u6709\u52a9\u4e8e\u5f00\u53d1\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u8fd0\u7528Jetty\u670d\u52a1\u5668\u5728\u5904\u7406HTTP\u534f\u8bae\u548c\u8d44\u6e90\u5b9a\u4f4d\u65b9\u9762\u7684\u5de5\u5177\u548c\u7279\u6027\u3002 <\/p>\n<h2> 5. WebSocket\u534f\u8bae\u57fa\u7840\u4e0e\u5b89\u5168\u6027 <\/h2>\n<p> WebSocket\u4f5c\u4e3aHTML5\u4e2d\u4e00\u79cd\u5728\u5355\u4e2aTCP\u8fde\u63a5\u4e0a\u8fdb\u884c\u5168\u53cc\u5de5\u901a\u8baf\u7684\u534f\u8bae&#xff0c;\u5df2\u7ecf\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5b9e\u65f6\u901a\u8baf\u573a\u666f\u4e2d\u3002Jetty\u901a\u8fc7\u5176WebSocket API\u63d0\u4f9b\u4e86\u4e00\u5957\u5b8c\u6574\u7684\u5de5\u5177\u6765\u5f00\u53d1\u548c\u90e8\u7f72WebSocket\u670d\u52a1\u548c\u5e94\u7528\u3002\u672c\u7ae0\u8282\u5c06\u6df1\u5165\u63a2\u8ba8WebSocket\u534f\u8bae\u7684\u57fa\u7840\u77e5\u8bc6&#xff0c;\u540c\u65f6\u4e5f\u4f1a\u5bf9WebSocket\u7684\u5b89\u5168\u6027\u53ca\u5176\u8ba4\u8bc1\u673a\u5236\u8fdb\u884c\u5206\u6790\u3002 <\/p>\n<h3> 5.1 WebSocket\u534f\u8bae\u57fa\u7840\u7c7b <\/h3>\n<p> \u5728\u6df1\u5165\u8ba8\u8bbaWebSocket\u534f\u8bae\u4e4b\u524d&#xff0c;\u8ba9\u6211\u4eec\u5148\u4e86\u89e3\u4e00\u4e9b\u57fa\u672c\u6982\u5ff5\u548c\u672f\u8bed\u3002 <\/p>\n<h4> 5.1.1 \u534f\u8bae\u7248\u672c\u4e0e\u6269\u5c55 <\/h4>\n<p> WebSocket\u534f\u8bae\u81ea\u63a8\u51fa\u4ee5\u6765&#xff0c;\u7ecf\u5386\u4e86\u4e00\u4e9b\u7248\u672c\u8fed\u4ee3&#xff0c;\u5305\u62ecRFC 6455&#xff08;\u4e5f\u79f0\u4e3aWebSocket\u7248\u672c13&#xff09;\u3002\u6bcf\u4e2a\u7248\u672c\u7684\u66f4\u65b0\u90fd\u65e8\u5728\u89e3\u51b3\u53d1\u73b0\u7684\u95ee\u9898\u3001\u589e\u52a0\u65b0\u7279\u6027\u6216\u63d0\u9ad8\u4e92\u64cd\u4f5c\u6027\u3002\u4e86\u89e3\u534f\u8bae\u7684\u7248\u672c\u975e\u5e38\u91cd\u8981&#xff0c;\u56e0\u4e3a\u4e0d\u540c\u7684\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u53ef\u80fd\u652f\u6301\u4e0d\u540c\u7684\u7248\u672c\u3002 <\/p>\n<p> \u5728Jetty\u4e2d&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eWebSocket\u7684\u914d\u7f6e\u53c2\u6570\u6765\u6307\u5b9a\u7248\u672c&#xff0c;\u4f8b\u5982&#xff1a; <\/p>\n<p>Server server &#061; new Server(8080);<br \/>\nServerConnector connector &#061; new ServerConnector(server);<br \/>\nconnector.setPort(8080);<br \/>\nserver.addConnector(connector);<\/p>\n<p>WebSocketHandler wsHandler &#061; new WebSocketHandler();<br \/>\nwsHandler.setHandler(new WebSocketHelloHandler());<br \/>\nserver.setHandler(wsHandler);<\/p>\n<p>\/\/ \u8bbe\u7f6eWebSocket\u7248\u672c<br \/>\nWebSocketServletFactory factory &#061; wsHandler.getWebSocketServletFactory();<br \/>\nfactory.getPolicy().setVersion(WebSocketPolicy.VIWebSocketVersionRFC6455);<br \/>\nserver.start();<\/p>\n<p> \u5728\u6b64\u4ee3\u7801\u793a\u4f8b\u4e2d&#xff0c;\u6211\u4eec\u914d\u7f6e\u4e86\u670d\u52a1\u5668\u4f7f\u7528WebSocket\u7684RFC 6455\u7248\u672c\u3002\u8fd9\u786e\u4fdd\u4e86\u4e0e\u652f\u6301\u8be5\u7248\u672c\u7684\u5ba2\u6237\u7aef\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\u3002 <\/p>\n<p> WebSocket\u534f\u8bae\u8fd8\u652f\u6301\u6269\u5c55&#xff0c;\u8fd9\u4e9b\u6269\u5c55\u53ef\u4ee5\u6dfb\u52a0\u989d\u5916\u7684\u6570\u636e\u683c\u5f0f\u6216\u901a\u4fe1\u6a21\u5f0f&#xff0c;\u6bd4\u5982\u538b\u7f29\u6216\u6d88\u606f\u5206\u7247\u3002\u8981\u542f\u7528\u4e00\u4e2a\u7279\u5b9a\u7684\u6269\u5c55&#xff0c;\u4f60\u53ef\u4ee5\u8fd9\u6837\u505a&#xff1a; <\/p>\n<p>\/\/ \u6dfb\u52a0\u4e00\u4e2a\u6269\u5c55&#xff0c;\u4f8b\u5982x-webkit-compression<br \/>\nfactory.getPolicy().addExtension(new XWebkitCompressExtension());<\/p>\n<h4> 5.1.2 \u6d88\u606f\u5e27\u4e0e\u6570\u636e\u4f20\u8f93 <\/h4>\n<p> WebSocket\u6d88\u606f\u4ee5\u5e27\u7684\u5f62\u5f0f\u53d1\u9001\u548c\u63a5\u6536&#xff0c;\u5e27\u7ed3\u6784\u5305\u542b\u5e27\u5934\u548c\u8d1f\u8f7d\u6570\u636e\u3002\u5e27\u5934\u6307\u660e\u4e86\u5e27\u7c7b\u578b&#xff08;\u5982\u6587\u672c\u3001\u4e8c\u8fdb\u5236&#xff09;\u3001\u63a9\u7801\u3001FIN\u6807\u5fd7\u7b49\u4fe1\u606f\u3002\u8d1f\u8f7d\u6570\u636e\u5219\u5305\u542b\u5b9e\u9645\u4f20\u9012\u7684\u6d88\u606f\u5185\u5bb9\u3002 <\/p>\n<p> \u4e86\u89e3\u6d88\u606f\u5e27\u7684\u7ed3\u6784\u662f\u5173\u952e&#xff0c;\u56e0\u4e3a\u5b83\u5173\u7cfb\u5230\u901a\u4fe1\u7684\u6709\u6548\u6027\u548c\u5b89\u5168\u6027\u3002\u6d88\u606f\u5e27\u7684\u7ed3\u6784\u5982\u4e0b\u56fe\u6240\u793a&#xff1a; <\/p>\n<p> \u5728Jetty\u4e2d&#xff0c;\u4f60\u53ef\u4ee5\u901a\u8fc7\u81ea\u5b9a\u4e49\u5e27\u5904\u7406\u5668\u6765\u63a7\u5236\u6d88\u606f\u7684\u53d1\u9001\u4e0e\u63a5\u6536&#xff1a; <\/p>\n<p>factory.getPolicy().setFrameHandler(new FrameHandler()<br \/>\n{<br \/>\n    &#064;Override<br \/>\n    public Type getAction()<br \/>\n    {<br \/>\n        return Type.BOTH;<br \/>\n    }<\/p>\n<p>    &#064;Override<br \/>\n    public void\u5e27\u5904\u7406\u7c7b\u578b(WebSocketPolicy policy, DataFrame frame)<br \/>\n    {<br \/>\n        \/\/ \u81ea\u5b9a\u4e49\u5e27\u5904\u7406\u903b\u8f91<br \/>\n    }<br \/>\n});<\/p>\n<h3> 5.2 \u5b89\u5168\u6027\u53ca\u8ba4\u8bc1\u673a\u5236 <\/h3>\n<p> \u968f\u7740Web\u5e94\u7528\u9010\u6e10\u8f6c\u5411\u66f4\u52a8\u6001\u7684\u4ea4\u4e92\u5f0f\u4f53\u9a8c&#xff0c;\u5b89\u5168\u6210\u4e3a\u4e86WebSocket\u5f00\u53d1\u4e2d\u4e0d\u53ef\u5ffd\u89c6\u7684\u95ee\u9898\u3002Jetty\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5de5\u5177\u548cAPI\u6765\u5e2e\u52a9\u5f00\u53d1\u8005\u5b9e\u73b0WebSocket\u7684\u5b89\u5168\u6027\u3002 <\/p>\n<h4> 5.2.1 SSL\/TLS\u914d\u7f6e\u4e0e\u5e94\u7528 <\/h4>\n<p> \u4f7f\u7528SSL\/TLS\u534f\u8bae\u53ef\u4ee5\u4fdd\u8bc1WebSocket\u8fde\u63a5\u7684\u5b89\u5168\u6027\u3002Jetty\u652f\u6301\u901a\u8fc7SSL\u914d\u7f6e\u6765\u542f\u7528\u52a0\u5bc6\u8fde\u63a5\u3002 <\/p>\n<p> \u9996\u5148&#xff0c;\u9700\u8981\u5728\u670d\u52a1\u5668\u914d\u7f6e\u4e2d\u6dfb\u52a0SSL Connector&#xff1a; <\/p>\n<p>SslContextFactory sslContextFactory &#061; new SslContextFactory.Server();<br \/>\nsslContextFactory.setKeyStorePath(&#034;path\/to\/keystore&#034;);<br \/>\nsslContextFactory.setKeyStorePassword(&#034;password&#034;);<br \/>\nsslContextFactory.setKeyManagerPassword(&#034;password&#034;);<br \/>\nsslContextFactory.setTrustStorePath(&#034;path\/to\/truststore&#034;);<br \/>\nsslContextFactory.setTrustStorePassword(&#034;password&#034;);<\/p>\n<p>SslConnectionFactory sslConnectionFactory &#061; new SslConnectionFactory(sslContextFactory, &#034;alpn&#034;);<br \/>\nServerConnector connector &#061; new ServerConnector(server, sslConnectionFactory, new HttpConnectionFactory(httpConnectionFactory));<br \/>\nconnector.setPort(8443);<br \/>\nserver.addConnector(connector);<\/p>\n<p> \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d&#xff0c;\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a  SslContextFactory  \u5b9e\u4f8b&#xff0c;\u5e76\u6307\u5b9a\u4e86\u5bc6\u94a5\u5e93\u548c\u4fe1\u4efb\u5e93\u7684\u8def\u5f84\u548c\u5bc6\u7801\u3002\u7136\u540e\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a  ServerConnector  &#xff0c;\u5b83\u5728\u5e38\u89c4\u7684HTTP\u8fde\u63a5\u5de5\u5382\u4e4b\u524d\u52a0\u5165\u4e86SSL\u8fde\u63a5\u5de5\u5382\u3002 <\/p>\n<h4> 5.2.2 \u8ba4\u8bc1\u4e0e\u6388\u6743\u7b56\u7565\u5b9e\u73b0 <\/h4>\n<p> \u8ba4\u8bc1\u548c\u6388\u6743\u662f\u4fdd\u969cWebSocket\u901a\u4fe1\u5b89\u5168\u7684\u4e24\u4e2a\u91cd\u8981\u65b9\u9762\u3002Jetty\u5141\u8bb8\u901a\u8fc7\u7f16\u7a0b\u65b9\u5f0f\u5b9e\u73b0\u81ea\u5b9a\u4e49\u8ba4\u8bc1\u548c\u6388\u6743\u673a\u5236\u3002 <\/p>\n<p> \u4f60\u53ef\u4ee5\u6ce8\u518c\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u8ba4\u8bc1\u7c7b\u5230WebSocket\u8fde\u63a5\u5904\u7406\u5668&#xff1a; <\/p>\n<p>WebSocketHandler wsHandler &#061; new WebSocketHandler();<br \/>\nwsHandler.setHandler(new WebSocketHelloHandler());<\/p>\n<p>\/\/ \u8ba4\u8bc1\u4e0e\u6388\u6743<br \/>\nAuthentication authentication &#061; new Authentication.User();<br \/>\nauthentication.setUserId(&#034;admin&#034;);<br \/>\nauthentication.setUserName(&#034;Administrator&#034;);<br \/>\nauthentication.setRealmName(&#034;WebSocketAuth&#034;);<br \/>\nauthentication.setAuthenticationMethod(&#034;CustomAuthMethod&#034;);<\/p>\n<p> wsHandler.getSecurityHandler().setAuthentication(authentication);<\/p>\n<p>server.setHandler(wsHandler);<br \/>\nserver.start();<\/p>\n<p> \u8fd9\u91cc&#xff0c;\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u7528\u6237\u8ba4\u8bc1\u5b9e\u4f8b\u5e76\u5c06\u5176\u8bbe\u7f6e\u5230WebSocket\u7684\u5b89\u5168\u5904\u7406\u5668\u4e2d\u3002\u8ba4\u8bc1\u5b9e\u73b0\u7684\u903b\u8f91\u9700\u8981\u6839\u636e\u5177\u4f53\u7684\u5b89\u5168\u9700\u6c42\u8fdb\u884c\u7f16\u5199\u3002 <\/p>\n<p> \u6700\u540e&#xff0c;\u9700\u8981\u6ce8\u610f\u7684\u662f&#xff0c;\u4f7f\u7528WebSocket\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u65f6&#xff0c;\u7531\u4e8e\u5176\u957f\u8fde\u63a5\u7279\u6027&#xff0c;\u5b89\u5168\u95ee\u9898\u76f8\u8f83\u4e8e\u4f20\u7edf\u7684HTTP\u66f4\u4e3a\u7a81\u51fa\u3002\u56e0\u6b64\u5f00\u53d1\u8005\u5728\u5b9e\u73b0WebSocket\u670d\u52a1\u65f6&#xff0c;\u5fc5\u987b\u5bf9\u5b89\u5168\u95ee\u9898\u7ed9\u4e88\u8db3\u591f\u7684\u91cd\u89c6\u3002 <\/p>\n<h2> 6. \u65e5\u5fd7\u96c6\u6210\u4e0e\u4f9d\u8d56\u7ba1\u7406 <\/h2>\n<h3> 6.1 SLF4J\u65e5\u5fd7\u63a5\u53e3\u96c6\u6210 <\/h3>\n<h4> 6.1.1 \u65e5\u5fd7\u7ea7\u522b\u4e0e\u683c\u5f0f\u5316 <\/h4>\n<p> SLF4J&#xff08;Simple Logging Facade for Java&#xff09;\u662f\u4e00\u4e2a\u65e5\u5fd7\u63a5\u53e3&#xff0c;\u5b83\u63d0\u4f9b\u4e86\u5bf9\u4e0d\u540c\u65e5\u5fd7\u6846\u67b6\u7684\u62bd\u8c61&#xff0c;\u5e76\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u8fd0\u884c\u65f6\u7ed1\u5b9a\u5177\u4f53\u7684\u65e5\u5fd7\u5b9e\u73b0\u3002\u65e5\u5fd7\u7ea7\u522b\u662f\u65e5\u5fd7\u8bb0\u5f55\u7684\u4f18\u5148\u7ea7&#xff0c;\u5e38\u89c1\u7684\u65e5\u5fd7\u7ea7\u522b\u6709DEBUG\u3001INFO\u3001WARN\u3001ERROR\u3002\u65e5\u5fd7\u683c\u5f0f\u5316\u662f\u6307\u65e5\u5fd7\u8bb0\u5f55\u8f93\u51fa\u7684\u6837\u5f0f&#xff0c;\u5305\u62ec\u65e5\u671f\u65f6\u95f4\u3001\u65e5\u5fd7\u7ea7\u522b\u3001\u7ebf\u7a0b\u540d\u3001\u7c7b\u540d\u3001\u6d88\u606f\u7b49\u4fe1\u606f\u3002 <\/p>\n<p>import org.slf4j.Logger;<br \/>\nimport org.slf4j.LoggerFactory;<\/p>\n<p>public class Example {<br \/>\n    private static final Logger logger &#061; LoggerFactory.getLogger(Example.class);<\/p>\n<p>    public void doSomething() {<br \/>\n        logger.debug(&#034;Entering method.&#034;);<br \/>\n        \/\/ &#8230;<br \/>\n        logger.info(&#034;Method finished.&#034;);<br \/>\n    }<br \/>\n}<\/p>\n<p> \u4e0a\u8ff0\u4ee3\u7801\u4e2d&#xff0c;  LoggerFactory.getLogger(Example.class)  \u7528\u4e8e\u83b7\u53d6\u4e00\u4e2a  Logger  \u5b9e\u4f8b&#xff0c;\u7136\u540e\u4f7f\u7528\u4e0d\u540c\u7684\u65e5\u5fd7\u7ea7\u522b\u65b9\u6cd5\u8bb0\u5f55\u65e5\u5fd7\u3002 <\/p>\n<h4> 6.1.2 \u65e5\u5fd7\u5ba1\u8ba1\u4e0e\u5206\u6790 <\/h4>\n<p> \u65e5\u5fd7\u5ba1\u8ba1\u662f\u6307\u76d1\u63a7\u548c\u5ba1\u67e5\u65e5\u5fd7\u8bb0\u5f55\u7684\u8fc7\u7a0b&#xff0c;\u4ee5\u786e\u4fdd\u7cfb\u7edf\u7b26\u5408\u5b89\u5168\u548c\u5408\u89c4\u6027\u8981\u6c42\u3002\u65e5\u5fd7\u5206\u6790\u6d89\u53ca\u5bf9\u65e5\u5fd7\u6570\u636e\u7684\u641c\u7d22\u3001\u8fc7\u6ee4\u548c\u7edf\u8ba1&#xff0c;\u4ee5\u4fbf\u66f4\u597d\u5730\u7406\u89e3\u7cfb\u7edf\u884c\u4e3a\u548c\u6027\u80fd\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528ELK&#xff08;Elasticsearch, Logstash, Kibana&#xff09;\u5806\u6808\u3001Grafana\u3001Prometheus\u7b49\u5de5\u5177\u8fdb\u884c\u65e5\u5fd7\u5206\u6790\u3002 <\/p>\n<h3> 6.2 \u4f9d\u8d56\u7ba1\u7406\u548c\u6784\u5efa\u5de5\u5177\u4f7f\u7528 <\/h3>\n<h4> 6.2.1 Maven\u4e0eGradle\u96c6\u6210 <\/h4>\n<p> Maven\u548cGradle\u662f\u5e38\u7528\u7684Java\u6784\u5efa\u5de5\u5177&#xff0c;\u5b83\u4eec\u63d0\u4f9b\u4e86\u4f9d\u8d56\u7ba1\u7406\u3001\u9879\u76ee\u6784\u5efa\u3001\u6d4b\u8bd5\u3001\u6253\u5305\u7b49\u529f\u80fd\u3002Maven\u4f7f\u7528  pom.xml  \u6587\u4ef6\u7ba1\u7406\u9879\u76ee\u914d\u7f6e&#xff0c;\u800cGradle\u4f7f\u7528  build.gradle  \u6587\u4ef6\u3002 <\/p>\n<p>\/\/ build.gradle \u793a\u4f8b<br \/>\napply plugin: &#039;java&#039;<\/p>\n<p>repositories {<br \/>\n    mavenCentral()<br \/>\n}<\/p>\n<p>dependencies {<br \/>\n    implementation &#039;org.slf4j:slf4j-api:1.7.30&#039;<br \/>\n    testImplementation &#039;junit:junit:4.13&#039;<br \/>\n}<\/p>\n<p>jar {<br \/>\n    manifest {<br \/>\n        attributes(&#039;Main-Class&#039;: &#039;com.example.Main&#039;)<br \/>\n    }<br \/>\n}<\/p>\n<p> \u4e0a\u8ff0  build.gradle  \u914d\u7f6e\u4e86SLF4J API\u4f9d\u8d56&#xff0c;\u58f0\u660e\u4e86Maven\u4e2d\u592e\u4ed3\u5e93&#xff0c;\u5e76\u5b9a\u4e49\u4e86\u9879\u76eeJAR\u5305\u7684\u4e3b\u7c7b\u3002 <\/p>\n<h4> 6.2.2 \u79c1\u6709\u4ed3\u5e93\u4e0e\u4f9d\u8d56\u7248\u672c\u63a7\u5236 <\/h4>\n<p> \u5728\u4f01\u4e1a\u73af\u5883\u4e2d&#xff0c;\u901a\u5e38\u4f1a\u8bbe\u7f6e\u79c1\u6709\u4ed3\u5e93\u6765\u5b58\u50a8\u548c\u7ba1\u7406\u5185\u90e8\u4f9d\u8d56\u3002Maven\u548cGradle\u90fd\u652f\u6301\u914d\u7f6e\u79c1\u6709\u4ed3\u5e93\u3002\u4f9d\u8d56\u7248\u672c\u63a7\u5236\u6d89\u53ca\u5230\u5728\u9879\u76ee\u4e2d\u56fa\u5b9a\u4f9d\u8d56\u5e93\u7684\u7248\u672c\u53f7&#xff0c;\u4ee5\u907f\u514d\u65b0\u7248\u672c\u5e26\u6765\u7684\u6f5c\u5728\u95ee\u9898\u3002 <\/p>\n<p>&lt;!&#8211; pom.xml \u793a\u4f8b &#8211;&gt;<br \/>\n&lt;project&gt;<br \/>\n    &lt;repositories&gt;<br \/>\n        &lt;repository&gt;<br \/>\n            &lt;id&gt;my-private-repo&lt;\/id&gt;<br \/>\n            &lt;url&gt;http:\/\/my-private-repo.com\/releases&lt;\/url&gt;<br \/>\n        &lt;\/repository&gt;<br \/>\n    &lt;\/repositories&gt;<br \/>\n    &lt;dependencies&gt;<br \/>\n        &lt;dependency&gt;<br \/>\n            &lt;groupId&gt;org.example&lt;\/groupId&gt;<br \/>\n            &lt;artifactId&gt;my-library&lt;\/artifactId&gt;<br \/>\n            &lt;version&gt;1.0.0&lt;\/version&gt;<br \/>\n        &lt;\/dependency&gt;<br \/>\n    &lt;\/dependencies&gt;<br \/>\n&lt;\/project&gt;<\/p>\n<p> \u5728\u4e0a\u8ff0Maven\u914d\u7f6e\u4e2d&#xff0c;\u5b9a\u4e49\u4e86\u4e00\u4e2a\u79c1\u6709\u4ed3\u5e93\u548c\u4e00\u4e2a\u7279\u5b9a\u7248\u672c\u7684\u4f9d\u8d56\u9879\u3002 <\/p>\n<h3> 6.3 \u8bb8\u53ef\u8bc1\u6761\u6b3e\u7684\u91cd\u8981\u6027 <\/h3>\n<h4> 6.3.1 \u8bb8\u53ef\u8bc1\u79cd\u7c7b\u4e0e\u9009\u62e9 <\/h4>\n<p> \u8bb8\u53ef\u8bc1\u662f\u8f6f\u4ef6\u4f7f\u7528\u548c\u5206\u53d1\u7684\u6cd5\u5f8b\u6587\u6863&#xff0c;\u786e\u5b9a\u4e86\u7528\u6237\u5bf9\u8f6f\u4ef6\u7684\u6743\u5229\u548c\u9650\u5236\u3002\u5e38\u89c1\u7684\u8bb8\u53ef\u8bc1\u7c7b\u578b\u5305\u62ec\u5f00\u6e90\u8bb8\u53ef\u8bc1\u3001\u5546\u4e1a\u8bb8\u53ef\u8bc1\u548c\u516c\u6709\u9886\u57df\u8bb8\u53ef\u8bc1\u3002\u9009\u62e9\u5408\u9002\u7684\u8bb8\u53ef\u8bc1\u5bf9\u4fdd\u62a4\u77e5\u8bc6\u4ea7\u6743\u548c\u907f\u514d\u6cd5\u5f8b\u7ea0\u7eb7\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n<h4> 6.3.2 \u9075\u5b88\u8bb8\u53ef\u8bc1\u7684\u5b9e\u8df5\u6307\u5357 <\/h4>\n<p> 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