{"id":60579,"date":"2026-01-15T22:57:18","date_gmt":"2026-01-15T14:57:18","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/60579.html"},"modified":"2026-01-15T22:57:18","modified_gmt":"2026-01-15T14:57:18","slug":"%e3%80%90%e5%8d%8e%e5%b7%a52025%e7%89%88%e3%80%91%e7%bd%91%e7%bb%9c%e5%ba%94%e7%94%a8%e6%9e%b6%e6%9e%84ppt%e7%ac%94%e8%ae%b0%ef%bc%88%e5%8f%af%e4%bb%a5%e5%9c%a8%e4%b8%93%e6%a0%8f%e4%b8%8b%e8%bd%bd","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/60579.html","title":{"rendered":"\u3010\u534e\u5de52025\u7248\u3011\u7f51\u7edc\u5e94\u7528\u67b6\u6784PPT\u7b14\u8bb0\uff08\u53ef\u4ee5\u5728\u4e13\u680f\u4e0b\u8f7d\u683c\u5f0f\u89c4\u6574\u7684pdf\uff09"},"content":{"rendered":"

\u590d\u4e60\u8bfe\u6572\u91cd\u70b9 <\/span><\/p>\n

\u2f00\u3001\u8003\u8bd5\u6838\u2f3c\u4fe1\u606f <\/span><\/p>\n

1. <\/span>\u8003\u8bd5\u65f6\u95f4：2026\u5e741\u2f4912\u2f47（\u661f\u671f\u2f00）9:00-11:00 <\/span><\/p>\n

2. <\/span>\u8003\u8bd5\u5730\u70b9：A1-201\u3001A1-202 <\/span><\/p>\n

3. <\/span>\u7b54\u9898\u8981\u6c42： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u8bd5\u5377\u542b\u8bd5\u9898\u5377（4\u2eda）\u548c\u7b54\u9898\u5377（6\u2eda），\u7b54\u6848\u5fc5\u987b\u5199\u5728\u7b54\u9898\u5377\u4e0a，\u8bd5\u9898\u5377\u7b54\u9898\u2f46\u6548 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u9700\u5728\u8bd5\u9898\u5377\u548c\u7b54\u9898\u5377\u6307\u5b9a\u4f4d\u7f6e\u586b\u5199\u59d3\u540d\u3001\u5b66\u53f7\u3001\u4e13\u4e1a\u73ed\u7ea7\u3001\u5ea7\u4f4d\u53f7（\u5ea7\u4f4d\u53f7\u8003\u524d\u516c\u5e03） <\/span><\/p>\n

4. <\/span>\u9898\u578b\u7ed3\u6784： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5355\u9879\u9009\u62e9\u9898（10\u9053） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u586b\u7a7a\u9898（5\u4e2a） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u7b80\u7b54\u9898（4-5\u9053） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u7f16\u7a0b\u9898 <\/span><\/p>\n

\u2f06\u3001\u6838\u2f3c\u590d\u4e60\u6a21\u5757 <\/span><\/p>\n

（\u2f00）Web\u57fa\u7840\u77e5\u8bc6 <\/span><\/p>\n

1. <\/span>HTML\u57fa\u672c\u6982\u5ff5（\u6838\u2f3c\u6807\u7b7e\u3001\u2f42\u6863\u7ed3\u6784\u3001\u5e38\u2f64\u5c5e\u6027） <\/span><\/p>\n

2. <\/span>HTTP\u534f\u8bae（\u8bf7\u6c42\u2f45\u6cd5\u3001\u54cd\u5e94\u72b6\u6001\u7801\u3001\u8bf7\u6c42\/\u54cd\u5e94\u5934\u7ed3\u6784\u3001\u2f46\u72b6\u6001\u7279\u6027） <\/span><\/p>\n

3. <\/span>Tomcat\u76f8\u5173： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u57fa\u672c\u6982\u5ff5（Java Web\u670d\u52a1\u5668\u7684\u4f5c\u2f64\u3001\u6838\u2f3c\u529f\u80fd） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u914d\u7f6e（\u7aef\u2f1d\u914d\u7f6e\u3001\u865a\u62df\u4e3b\u673a\u914d\u7f6e\u3001\u73af\u5883\u53d8\u91cf\u914d\u7f6e） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u90e8\u7f72（war\u5305\u90e8\u7f72\u3001\u2f6c\u5f55\u90e8\u7f72\u2f45\u5f0f\u3001\u90e8\u7f72\u6d41\u7a0b） <\/span><\/p>\n

（\u2f06）Servlet <\/span><\/p>\n

1. <\/span>\u57fa\u672c\u6982\u5ff5（\u5b9a\u4e49\u3001\u4f5c\u2f64\u3001\u4e0eJava\u7c7b\u7684\u533a\u522b\u3001\u6838\u2f3c\u7279\u6027） <\/span><\/p>\n

2. <\/span>HttpServlet\u7c7b（\u7ee7\u627f\u5173\u7cfb\u3001\u6838\u2f3c\u2f45\u6cd5\u3001\u8bf7\u6c42\u5904\u7406\u6d41\u7a0b） <\/span><\/p>\n

3. <\/span>\u6838\u2f3c\u63a5\u2f1d： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

ServletConfig\u63a5\u2f1d（\u83b7\u53d6Servlet\u914d\u7f6e\u53c2\u6570\u3001\u83b7\u53d6ServletContext\u5bf9\u8c61）<\/span>\u25e6 <\/span><\/p>\n

ServletContext\u63a5\u2f1d（\u5168\u5c40\u4e0a\u4e0b\u2f42\u3001\u5171\u4eab\u6570\u636e\u3001\u83b7\u53d6\u8d44\u6e90\u8def\u5f84） <\/span><\/p>\n

4. <\/span>\u6838\u2f3c\u5bf9\u8c61： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

HttpServletRequest\u5bf9\u8c61（\u83b7\u53d6\u8bf7\u6c42\u53c2\u6570\u3001\u8bf7\u6c42\u5934\u3001Cookie\u3001Session\u5173\u8054） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

HttpServletResponse\u5bf9\u8c61（\u8bbe\u7f6e\u54cd\u5e94\u5934\u3001\u54cd\u5e94\u6570\u636e\u3001Cookie\u5199\u2f0a\u3001\u91cd\u5b9a\u5411） <\/span><\/p>\n

5. <\/span>\u6838\u2f3c\u2f45\u6cd5： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

doGet()\u2f45\u6cd5（\u8bf7\u6c42\u5904\u7406\u903b\u8f91\u3001\u53c2\u6570\u4f20\u9012\u2f45\u5f0f\u3001\u9002\u2f64\u573a\u666f） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

doPost()\u2f45\u6cd5（\u4e0edoGet()\u7684\u533a\u522b\u3001\u53c2\u6570\u4f20\u9012\u7279\u70b9\u3001\u6570\u636e\u5b89\u5168\u6027） <\/span><\/p>\n

6. <\/span>\u5176\u4ed6\u5173\u952e\u7ec4\u4ef6： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

RequestDispatch\u5bf9\u8c61（\u8bf7\u6c42\u8f6c\u53d1\u3001\u8d44\u6e90\u8df3\u8f6c\u3001\u6570\u636e\u5171\u4eab） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Cookie\u5bf9\u8c61（\u521b\u5efa\u3001\u8bbe\u7f6e\u5c5e\u6027\u3001\u53d1\u9001\u4e0e\u83b7\u53d6\u3001\u2f63\u547d\u5468\u671f） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Session\u5bf9\u8c61（\u521b\u5efa\u673a\u5236\u3001\u4f1a\u8bdd\u7ef4\u6301\u3001\u6570\u636e\u5b58\u50a8\u4e0e\u83b7\u53d6\u3001\u5931\u6548\u7b56\u7565） <\/span><\/p>\n

7. <\/span>Servlet\u7684\u2f63\u547d\u5468\u671f（\u521d\u59cb\u5316init()\u3001\u670d\u52a1service()\u3001\u9500\u6bc1destroy()\u3001\u5404\u9636\u6bb5\u89e6\u53d1\u6761\u4ef6） <\/span><\/p>\n

8. <\/span>Filter\u8fc7\u6ee4\u5668（\u5b9a\u4e49\u3001\u4f5c\u2f64\u3001\u2f63\u547d\u5468\u671f\u3001\u914d\u7f6e\u2f45\u5f0f\u3001\u8fc7\u6ee4\u94fe\u6d41\u7a0b） <\/span><\/p>\n

9. <\/span>Listener\u76d1\u542c\u5668（\u6838\u2f3c\u7c7b\u578b\u3001\u76d1\u542c\u4e8b\u4ef6\u3001\u4f5c\u2f64\u573a\u666f\u3001\u914d\u7f6e\u2f45\u5f0f） <\/span><\/p>\n

（\u4e09）JSP <\/span><\/p>\n

1. <\/span>\u57fa\u672c\u6982\u5ff5（\u5b9a\u4e49\u3001\u4f5c\u2f64\u3001\u4e0eServlet\u7684\u5173\u7cfb\u3001\u4f18\u52bf） <\/span><\/p>\n

2. <\/span>JSP\u8bed\u6cd5（\u811a\u672c\u2f5a\u6bb5<% %>\u3001\u8868\u8fbe\u5f0f<%= %>\u3001\u58f0\u660e<%! %>\u3001\u6ce8\u91ca\u683c\u5f0f） <\/span><\/p>\n

3. <\/span>\u6267\u2f8f\u8fc7\u7a0b（\u7ffb\u8bd1\u9636\u6bb5\u3001\u7f16\u8bd1\u9636\u6bb5\u3001\u8fd0\u2f8f\u9636\u6bb5\u3001\u7ed3\u679c\u8f93\u51fa\u6d41\u7a0b） <\/span><\/p>\n

4. <\/span>\u4e0eServlet\u7684\u533a\u522b（\u5f00\u53d1\u2f45\u5f0f\u3001\u8fd0\u2f8f\u673a\u5236\u3001\u9002\u2f64\u573a\u666f\u3001\u4f18\u7f3a\u70b9\u5bf9\u2f50） <\/span><\/p>\n

5. <\/span>JSP\u6307\u4ee4（page\u6307\u4ee4\u3001include\u6307\u4ee4\u3001taglib\u6307\u4ee4，\u5404\u6307\u4ee4\u6838\u2f3c\u5c5e\u6027） <\/span><\/p>\n

6. <\/span>JSP\u5185\u7f6e\u5bf9\u8c61（request\u3001response\u3001session\u3001application\u3001out\u3001config\u3001page\u3001 <\/span><\/p>\n

pageContext\u3001exception，\u6bcf\u4e2a\u5bf9\u8c61\u7684\u4f5c\u2f64\u4e0e\u5e38\u2f64\u2f45\u6cd5） <\/span><\/p>\n

7. <\/span>JSP\u52a8\u4f5c（<jsp:include>\u3001<jsp:forward>\u3001<jsp:useBean>\u3001<jsp:setProperty>\u3001 <\/span><\/p>\n

<jsp:getProperty>，\u52a8\u4f5c\u6807\u7b7e\u7684\u2f64\u6cd5\u4e0e\u7279\u70b9） <\/span><\/p>\n

8. <\/span>include\u4e0eforward\u7684\u533a\u522b（\u9759\u6001\u5305\u542bvs\u52a8\u6001\u5305\u542b\u3001\u8bf7\u6c42\u8f6c\u53d1\u7684\u8df3\u8f6c\u673a\u5236\u3001\u6570\u636e\u4f20\u9012\u5dee\u5f02） <\/span><\/p>\n

（\u56db）EL\u548cJSTL <\/span><\/p>\n

1. <\/span>JavaBean\u7684\u57fa\u672c\u6982\u5ff5（\u5b9a\u4e49\u89c4\u8303\u3001\u5c5e\u6027\u5c01\u88c5\u3001getter\/setter\u2f45\u6cd5\u3001\u4f5c\u2f64） <\/span><\/p>\n

2. <\/span>EL\u8868\u8fbe\u5f0f： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u57fa\u672c\u6982\u5ff5（\u4f5c\u2f64\u3001\u8bed\u6cd5\u683c\u5f0f\u3001\u4f18\u52bf） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6807\u8bc6\u7b26\u3001\u4fdd\u7559\u5b57（\u5408\u6cd5\u6807\u8bc6\u7b26\u89c4\u5219\u3001\u5e38\u2ec5\u4fdd\u7559\u5b57）<\/span>\u25e6 <\/span><\/p>\n

\u53d8\u91cf\u3001\u5e38\u91cf（\u6570\u636e\u7c7b\u578b\u3001\u53d6\u503c\u2f45\u5f0f） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u8fd0\u7b97\u7b26（\u7b97\u672f\u8fd0\u7b97\u7b26\u3001\u2f50\u8f83\u8fd0\u7b97\u7b26\u3001\u903b\u8f91\u8fd0\u7b97\u7b26\u3001empty\u8fd0\u7b97\u7b26\u3001\u4e09\u5143\u8fd0\u7b97\u7b26） <\/span><\/p>\n

3. <\/span>JSTL： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u57fa\u672c\u6982\u5ff5（JSP\u6807\u51c6\u6807\u7b7e\u5e93\u7684\u4f5c\u2f64\u3001\u6838\u2f3c\u6807\u7b7e\u5e93\u5206\u7c7b） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6838\u2f3c\u6807\u7b7e（\u5faa\u73af\u6807\u7b7e<c:forEach>\u3001\u6761\u4ef6\u6807\u7b7e<c:if>\u3001<c:choose>\u3001URL\u6807\u7b7e<c:url>\u7b49\u7684\u2f64\u6cd5） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6807\u7b7e\u4f7f\u2f64\u524d\u63d0（\u5f15\u2f0ataglib\u6307\u4ee4\u3001\u4f9d\u8d56jar\u5305） <\/span><\/p>\n

（\u4e94）JDBC <\/span><\/p>\n

1. <\/span>\u57fa\u672c\u6982\u5ff5（\u5b9a\u4e49\u3001\u4f5c\u2f64\u3001Java\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u6838\u2f3c\u6280\u672f\u3001\u4f18\u52bf） <\/span><\/p>\n

2. <\/span>\u5e38\u2f64API（DriverManager\u3001Connection\u3001Statement\u3001PreparedStatement\u3001ResultSet） <\/span><\/p>\n

3. <\/span>\u7a0b\u5e8f\u5b9e\u73b0\u6d41\u7a0b（\u52a0\u8f7d\u9a71\u52a8\u3001\u5efa\u2f74\u8fde\u63a5\u3001\u521b\u5efaStatement\u5bf9\u8c61\u3001\u6267\u2f8fSQL\u8bed\u53e5\u3001\u5904\u7406\u7ed3\u679c\u96c6\u3001\u5173\u95ed\u8d44 <\/span><\/p>\n

\u6e90，\u5404\u6b65\u9aa4\u5f02\u5e38\u5904\u7406） <\/span><\/p>\n

4. <\/span>\u5173\u952e\u7ec6\u8282（SQL\u6ce8\u2f0a\u9632\u8303\u3001\u4e8b\u52a1\u5904\u7406\u3001\u6279\u5904\u7406\u64cd\u4f5c\u3001\u8fde\u63a5\u6c60\u6982\u5ff5） <\/span><\/p>\n

（\u516d）MVC\u8bbe\u8ba1\u6a21\u5f0f <\/span><\/p>\n

1. <\/span>\u57fa\u672c\u6982\u5ff5（Model\u3001View\u3001Controller\u7684\u804c\u8d23\u5212\u5206\u3001\u6838\u2f3c\u601d\u60f3） <\/span><\/p>\n

2. <\/span>\u4e24\u79cd\u5e38\u2f64\u8bbe\u8ba1\u6a21\u5f0f（\u5177\u4f53\u6a21\u5f0f\u540d\u79f0\u3001\u5b9e\u73b0\u539f\u7406\u3001\u9002\u2f64\u573a\u666f\u3001\u4f18\u7f3a\u70b9） <\/span><\/p>\n

3. <\/span>MVC\u5728Java Web\u4e2d\u7684\u5e94\u2f64（\u5404\u5c42\u5bf9\u5e94\u7ec4\u4ef6\u3001\u6570\u636e\u6d41\u8f6c\u6d41\u7a0b） <\/span><\/p>\n

（\u4e03）Spring <\/span><\/p>\n

1. <\/span>\u57fa\u672c\u6982\u5ff5（\u5b9a\u4e49\u3001\u6838\u2f3c\u7279\u6027\u3001\u4f18\u52bf\u3001\u9002\u2f64\u573a\u666f） <\/span><\/p>\n

2. <\/span>\u4f9d\u8d56\u6ce8\u2f0a（DI\u7684\u6982\u5ff5\u3001\u5b9e\u73b0\u2f45\u5f0f\u3001\u4f5c\u2f64\u3001\u6ce8\u2f0a\u7c7b\u578b） <\/span><\/p>\n

3. <\/span>\u2faf\u5411\u5207\u2faf\u7684\u7f16\u7a0b（AOP\u7684\u6982\u5ff5\u3001\u6838\u2f3c\u672f\u8bed\u3001\u4f5c\u2f64\u3001\u5b9e\u73b0\u539f\u7406） <\/span><\/p>\n

\u4e09\u3001\u590d\u4e60\u5efa\u8bae <\/span><\/p>\n

1. <\/span>\u4fa7\u91cd\u57fa\u7840\u77e5\u8bc6：\u91cd\u70b9\u638c\u63e1\u5404\u6a21\u5757\u6838\u2f3c\u6982\u5ff5\u3001\u5b9a\u4e49\u3001\u6838\u2f3c\u2f45\u6cd5\/\u6807\u7b7e\/API\u7684\u4f5c\u2f64，\u786e\u4fdd\u9009\u62e9\u9898\u3001\u586b\u7a7a\u9898 <\/span><\/p>\n

\u4e0d\u4e22\u5206\u3002 <\/span><\/p>\n

2. <\/span>\u5f3a\u5316\u5b9e\u8df5\u7f16\u7a0b：\u9488\u5bf9Servlet\u3001JSP\u3001JDBC\u76f8\u5173\u77e5\u8bc6\u70b9，\u7ed3\u5408\u6848\u4f8b\u7ec3\u4e60\u7f16\u7a0b\u9898（\u5982\u8868\u5355\u63d0\u4ea4\u5904\u7406\u3001 <\/span><\/p>\n

\u6570\u636e\u5e93\u589e\u5220\u6539\u67e5\u3001\u4f1a\u8bdd\u7ba1\u7406\u7b49\u573a\u666f）\u3002 <\/span><\/p>\n

3. <\/span>\u68b3\u7406\u903b\u8f91\u5173\u8054：\u660e\u786eServlet\u4e0eJSP\u7684\u534f\u4f5c\u6d41\u7a0b\u3001MVC\u5404\u5c42\u7684\u4ea4\u4e92\u5173\u7cfb\u3001HTTP\u8bf7\u6c42\u4ece\u5ba2\u2f3e\u7aef\u5230\u670d\u52a1 <\/span><\/p>\n

\u5668\u7684\u5904\u7406\u94fe\u8def\u3002 <\/span><\/p>\n

4. <\/span>\u5173\u6ce8\u7ec6\u8282\u5dee\u5f02：\u5982doGet()\u4e0edoPost()\u7684\u533a\u522b\u3001include\u6307\u4ee4\u4e0e\u52a8\u4f5c\u7684\u5dee\u5f02\u3001Cookie\u4e0eSession\u7684\u9002 <\/span><\/p>\n

\u2f64\u573a\u666f\u7b49，\u5e94\u5bf9\u7b80\u7b54\u9898\u3002<\/span>5. <\/span>\u89c4\u8303\u7b54\u9898\u4e60\u60ef：\u7262\u8bb0\u7b54\u9898\u5377\u4e66\u5199\u8981\u6c42，\u7f16\u7a0b\u9898\u6ce8\u610f\u4ee3\u7801\u683c\u5f0f\u89c4\u8303\u3001\u6ce8\u91ca\u6e05\u6670，\u907f\u514d\u56e0\u683c\u5f0f\u95ee\u9898\u4e22 <\/span><\/p>\n

\u5206\u3002 <\/span><\/p>\n

Web\u57fa\u7840\u77e5\u8bc6\u590d\u4e60\u7b14\u8bb0 <\/span><\/p>\n

\u8bf4\u660e：\u672c\u7b14\u8bb0\u805a\u7126Web\u5f00\u53d1\u6838\u2f3c\u57fa\u7840\u77e5\u8bc6\u70b9，\u6db5\u76d6HTML\u3001HTTP\u534f\u8bae\u3001Tomcat\u4e09\u2f24\u6838\u2f3c\u6a21\u5757，\u68b3\u7406\u5404 <\/span><\/p>\n

\u6a21\u5757\u6838\u2f3c\u6982\u5ff5\u3001\u91cd\u70b9\u5185\u5bb9\u53ca\u5173\u952e\u8003\u70b9，\u52a9\u2f12\u590d\u4e60\u5de9\u56fa\u3002 <\/span><\/p>\n

Ch1 \u2f79\u7edc\u5e94\u2f64\u67b6\u6784\u8bbe\u8ba1\u4e0e\u5f00\u53d1\u6982\u8bba <\/span><\/p>\n

\u2f00\u3001\u8003\u8bd5\u6838\u2f3c\u4fe1\u606f <\/span><\/p>\n

1. <\/span>\u8003\u8bd5\u65f6\u95f4：12\u2f4916\u2f47（\u6682\u5b9a） <\/span><\/p>\n

2. <\/span>\u6210\u7ee9\u6784\u6210：\u671f\u672b\u5377\u2faf\u6210\u7ee960% + \u5b9e\u9a8c\u62a5\u544a40% <\/span><\/p>\n

3. <\/span>\u8003\u8bd5\u5185\u5bb9：\u57fa\u7840\u7406\u8bba\u548c\u6982\u5ff5 + \u7f16\u7a0b\u80fd\u2f12（\u4e0e\u5b9e\u9a8c\u7d27\u5bc6\u5173\u8054） <\/span><\/p>\n

4. <\/span>\u5173\u952e\u6ce8\u610f\u4e8b\u9879：\u8003\u8bd5\u524d\u52a1\u5fc5\u6309\u65f6\u63d0\u4ea4\u5b9e\u9a8c\u62a5\u544a <\/span><\/p>\n

\u2f06\u3001\u6838\u2f3c\u77e5\u8bc6\u70b9\u68b3\u7406 <\/span><\/p>\n

（\u2f00）\u2f79\u7edc\u57fa\u7840\u6982\u5ff5 <\/span><\/p>\n

1. \u4e92\u8054\u2f79\u4e0e\u56e0\u7279\u2f79 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4e92\u8054\u2f79：\u6cdb\u6307\u4efb\u4f55\u80fd\u5f7c\u6b64\u901a\u4fe1\u7684\u8bbe\u5907\u7ec4\u6210\u7684\u2f79\u7edc\u96c6\u5408 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u56e0\u7279\u2f79（Internet）：\u7279\u6307\u91c7\u2f64TCP\/IP\u534f\u8bae\u6784\u5efa\u7684\u5168\u7403\u6027\u3001\u5f00\u653e\u7684\u8ba1\u7b97\u673a\u4e92\u8054\u2f79\u7edc <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u53d1\u5c55\u5173\u952e\u8282\u70b9： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

1960\u5e74：ARPA\u2f79（DARPA\u4e3b\u5bfc）\u5960\u57fa <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

1974\u5e74：\u7f57\u4f2f\u7279\u00b7\u5361\u6069\u4e0e\u2f42\u987f\u00b7\u745f\u592b\u63d0\u51faTCP\/IP\u534f\u8bae（\u83b72004\u5e74\u56fe\u7075\u5956） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

1983\u5e74：ARPA\u2f79\u6b63\u5f0f\u91c7\u2f64TCP\/IP\u4f5c\u4e3a\u6838\u2f3c\u534f\u8bae <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

1991\u5e74：\u8482\u59c6\u00b7\u4f2f\u7eb3\u65af-\u674e\u63a8\u51fa\u4e07\u7ef4\u2f79（WWW）\u516c\u5171\u670d\u52a1 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

1994\u5e74：\u4e07\u7ef4\u2f79\u8054\u76df（W3C）\u6210\u2f74 <\/span><\/p>\n

2. \u2f79\u7edc\u5c42\u7ed3\u6784\u6a21\u578b <\/span><\/p>\n

\u6a21\u578b <\/span><\/p>\n

\u5c42\u7ea7\u5212\u5206（\u2f83\u4e0a\u2f7d\u4e0b） <\/span><\/p>\n

\u6838\u2f3c\u529f\u80fd <\/span><\/p>\n

OSI\u53c2\u8003\u6a21\u578b <\/span><\/p>\n

\u5e94\u2f64\u5c42\u2192\u8868\u2f70\u5c42\u2192\u4f1a\u8bdd\u5c42\u2192\u4f20 <\/span><\/p>\n

\u8f93\u5c42\u2192\u2f79\u7edc\u5c42\u2192\u6570\u636e\u94fe\u8def\u5c42\u2192 <\/span><\/p>\n

\u7269\u7406\u5c42 <\/span><\/p>\n

\u5e94\u2f64\u5c42：\u63d0\u4f9b\u5e94\u2f64\u670d\u52a1；\u8868\u2f70 <\/span><\/p>\n

\u5c42：\u6570\u636e\u683c\u5f0f\u8f6c\u6362\/\u52a0\u5bc6；\u4f20 <\/span><\/p>\n

\u8f93\u5c42：\u7aef\u5230\u7aef\u8fde\u63a5\u7ba1\u7406；\u2f79\u7edc <\/span><\/p>\n

\u5c42：IP\u9009\u5740\u4e0e\u8def\u7531<\/span>TCP\/IP\u6a21\u578b <\/span><\/p>\n

\u5e94\u2f64\u5c42\u2192\u4f20\u8f93\u5c42\u2192\u2f79\u7edc\u5c42\u2192\u94fe <\/span><\/p>\n

\u8def\u5c42 <\/span><\/p>\n

\u5404\u5c42\u57fa\u4e8e\u4e0b\u5c42\u670d\u52a1，\u4e3a\u4e0a\u5c42\u63d0 <\/span><\/p>\n

\u4f9b\u2f40\u6491，\u901a\u8fc7\u534f\u8bae\u6808\u534f\u540c\u2f2f\u4f5c <\/span><\/p>\n

3. TCP\/IP\u534f\u8bae\u7c07\u6838\u2f3c\u534f\u8bae <\/span><\/p>\n

\u2022 <\/span><\/p>\n

TCP（\u4f20\u8f93\u63a7\u5236\u534f\u8bae）：\u2faf\u5411\u8fde\u63a5\u3001\u53ef\u9760\u3001\u5168\u53cc\u2f2f\u901a\u4fe1，\u8d1f\u8d23\u6570\u636e\u5206\u5272\u3001\u91cd\u7ec4，\u9002\u2f64\u4e8e\u9700\u8981\u53ef\u9760\u4f20 <\/span><\/p>\n

\u8f93\u7684\u573a\u666f（\u5982HTTP） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

UDP（\u2f64\u2f3e\u6570\u636e\u62a5\u534f\u8bae）：\u2f46\u8fde\u63a5\u3001\u7b80\u5355\u3001\u53ef\u9760\u6027\u4f4e，\u9002\u2f64\u4e8e\u5b9e\u65f6\u901a\u4fe1（\u5982\u89c6\u9891\u901a\u8bdd） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

IP（\u2f79\u9645\u534f\u8bae）：\u2f46\u8fde\u63a5，\u8d1f\u8d23\u8ba1\u7b97\u673a\u95f4\u6570\u636e\u5305\u8def\u7531，IPv4\u91c7\u2f6432\u4f4d\u5730\u5740（\u70b9\u5206\u2f17\u8fdb\u5236\u8868\u2f70，\u517142 <\/span><\/p>\n

\u4ebf+\u5730\u5740） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8f85\u52a9\u534f\u8bae：ICMP（\u9519\u8bef\u4e0e\u72b6\u6001\u53cd\u9988）\u3001DHCP（\u52a8\u6001\u5bfb\u5740）\u3001DNS（\u57df\u540d\u89e3\u6790） <\/span><\/p>\n

（\u2f06）\u4e07\u7ef4\u2f79（WWW）\u6838\u2f3c\u6280\u672f <\/span><\/p>\n

1. \u4e07\u7ef4\u2f79\u57fa\u7840 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9a\u4e49：\u57fa\u4e8e\u4e92\u8054\u2f79\u7684\u8d85\u2f42\u672c\u7cfb\u7edf，\u901a\u8fc7URI\u6807\u8bc6\u8d44\u6e90，\u91c7\u2f64HTTP\u534f\u8bae\u901a\u4fe1，\u662f\u4fe1\u606f\u7a7a\u95f4\u2f7d\u2fae\u2f79\u7edc\u672c <\/span><\/p>\n

\u2f9d <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u4e09\u8981\u7d20： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

URI（\u7edf\u2f00\u8d44\u6e90\u6807\u8bc6\u7b26）：\u6807\u8bc6\u8d44\u6e90\u7684\u5b57\u7b26\u4e32（\u542bURL\u3001URN\u2f26\u7c7b\u578b） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

HTTP（\u8d85\u2f42\u672c\u4f20\u8f93\u534f\u8bae）：\u5ba2\u2f3e\u7aef\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\u6807\u51c6 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

HTML（\u8d85\u2f42\u672c\u6807\u8bb0\u8bed\u2f94）：\u5b9a\u4e49\u2f79\u2eda\u7ed3\u6784\u4e0e\u683c\u5f0f <\/span><\/p>\n

2. URL\u4e0eURI <\/span><\/p>\n

\u2022 <\/span><\/p>\n

URL（\u7edf\u2f00\u8d44\u6e90\u5b9a\u4f4d\u5668）：\u7ec4\u6210=\u534f\u8bae\u540d\u79f0+\u4e3b\u673a\u5730\u5740+\u7aef\u2f1d\u53f7+\u8d44\u6e90\u540d\u79f0（\u4f8b： <\/span><\/p>\n

http:\/\/www.scut.edu.cn:80\/index.html<\/span>） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u9ed8\u8ba4\u7aef\u2f1d：HTTP\u4e3a80，HTTPS\u4e3a443，\u53ef\u7701\u7565 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u4e3b\u673a\u5730\u5740：\u2f40\u6301\u57df\u540d（\u5982<\/span>www.google.com<\/span>）\u6216IP\u5730\u5740（\u5982[12.45.56.67](12.45.56.67)） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

URI\u4e0eURL\u5173\u7cfb：URL\u662fURI\u7684\u2f26\u96c6，\u6240\u6709URL\u90fd\u662fURI，\u4f46URI\u4e0d\u2f00\u5b9a\u662fURL <\/span><\/p>\n

3. HTTP\u534f\u8bae <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u7279\u6027： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u2f46\u8fde\u63a5：\u2f00\u6b21\u8fde\u63a5\u5904\u7406\u2f00\u4e2a\u8bf7\u6c42，\u54cd\u5e94\u540e\u65ad\u5f00 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5a92\u4f53\u72ec\u2f74：\u2f40\u6301\u4efb\u610f\u6570\u636e\u7c7b\u578b（\u901a\u8fc7MIME-type\u6307\u5b9a） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u2f46\u72b6\u6001：\u534f\u8bae\u2f46\u4e8b\u52a1\u8bb0\u5fc6\u80fd\u2f12，\u9700\u901a\u8fc7Cookie\/Session\u8865\u5145\u72b6\u6001 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8bf7\u6c42-\u54cd\u5e94\u6d41\u7a0b： <\/span><\/p>\n

a. <\/span>\u5ba2\u2f3e\u7aef（\u6d4f\u89c8\u5668）\u5efa\u2f74TCP\u8fde\u63a5，\u53d1\u9001HTTP\u8bf7\u6c42<\/span>b. <\/span>\u670d\u52a1\u5668\u5904\u7406\u8bf7\u6c42，\u8fd4\u56deHTTP\u54cd\u5e94 <\/span><\/p>\n

c. <\/span>\u5ba2\u2f3e\u7aef\u63a5\u6536\u54cd\u5e94，\u5173\u95ed\u8fde\u63a5\u5e76\u6e32\u67d3\u5185\u5bb9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8bf7\u6c42\u6d88\u606f\u7ed3\u6784：\u8bf7\u6c42\u2f8f（\u2f45\u6cd5+URL+\u534f\u8bae\u7248\u672c）+ \u8bf7\u6c42\u5934\u90e8 + \u7a7a\u2f8f + \u8bf7\u6c42\u6570\u636e <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u54cd\u5e94\u6d88\u606f\u7ed3\u6784：\u72b6\u6001\u2f8f + \u6d88\u606f\u62a5\u5934 + \u7a7a\u2f8f + \u54cd\u5e94\u6b63\u2f42 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

8\u79cd\u8bf7\u6c42\u2f45\u6cd5（\u5e38\u2f64\u6838\u2f3c）： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

GET：\u83b7\u53d6\u8d44\u6e90（\u53c2\u6570\u5728URL\u4e2d，\u2ed3\u5ea6\u6709\u9650） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

POST：\u63d0\u4ea4\u6570\u636e（\u53c2\u6570\u5728\u8bf7\u6c42\u4f53，\u2f40\u6301\u2f24\u2f42\u4ef6\/\u654f\u611f\u6570\u636e） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

PUT：\u66f4\u65b0\u8d44\u6e90；DELETE：\u5220\u9664\u8d44\u6e90 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5e38\u2ec5\u72b6\u6001\u7801： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

200：\u8bf7\u6c42\u6210\u529f；301：\u8d44\u6e90\u6c38\u4e45\u91cd\u5b9a\u5411 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

404：\u8bf7\u6c42\u8d44\u6e90\u4e0d\u5b58\u5728；500：\u670d\u52a1\u5668\u5185\u90e8\u9519\u8bef <\/span><\/p>\n

（\u4e09）Web\u524d\u7aef\u5f00\u53d1\u6280\u672f <\/span><\/p>\n

1. HTML（\u8d85\u2f42\u672c\u6807\u8bb0\u8bed\u2f94） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u4f5c\u2f64：\u5b9a\u4e49\u2f79\u2eda\u7ed3\u6784\u4e0e\u5185\u5bb9，\u2fae\u7f16\u7a0b\u8bed\u2f94 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5e38\u2f64\u6807\u7b7e： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u2f42\u6863\u7ed3\u6784： <\/span><html> <\/span>（\u6839\u6807\u7b7e）\u3001 <\/span><head> <\/span>（\u5934\u90e8）\u3001 <\/span><body> <\/span>（\u4e3b\u4f53） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5185\u5bb9\u6807\u7b7e： <\/span><h1>-<h6> <\/span>（\u6807\u9898）\u3001 <\/span><p> <\/span>（\u6bb5\u843d）\u3001 <\/span><a> <\/span>（\u8d85\u94fe\u63a5）\u3001 <\/span><img> <\/span>（\u56fe <\/span><\/p>\n

\u2f5a）\u3001 <\/span><table> <\/span>（\u8868\u683c）\u3001 <\/span><form> <\/span>（\u8868\u5355） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

HTML5\u65b0\u7279\u6027： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5a92\u4f53\u5143\u7d20： <\/span><canvas> <\/span>（\u7ed8\u753b）\u3001 <\/span><video> <\/span>\/ <\/span><audio> <\/span>（\u2fb3\u89c6\u9891） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u8bed\u4e49\u6807\u7b7e： <\/span><article> <\/span>\u3001 <\/span><footer> <\/span>\u3001 <\/span><header> <\/span>\u3001 <\/span><nav> <\/span>\u3001 <\/span><section> <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u65b0\u8868\u5355\u63a7\u4ef6：calendar\u3001date\u3001email\u3001url\u3001search <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u529f\u80fdAPI：\u5730\u7406\u5b9a\u4f4d（Geolocation）\u3001\u672c\u5730\u5b58\u50a8（localStorage\/sessionStorage）\u3001\u8bbe\u5907\u4f20\u611f <\/span><\/p>\n

\u5668 <\/span><\/p>\n

2. CSS（\u5c42\u53e0\u6837\u5f0f\u8868） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u601d\u60f3：\u5206\u79bb\u5185\u5bb9（HTML）\u4e0e\u8868\u73b0（\u6837\u5f0f），\u2f40\u6301\u6837\u5f0f\u91cd\u2f64\u4e0e\u5c42\u53e0 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4e09\u79cd\u5f15\u2f0a\u2f45\u5f0f： <\/span><\/p>\n

a. <\/span>\u5185\u8054\u6837\u5f0f：\u901a\u8fc7\u5143\u7d20 <\/span>style <\/span>\u5c5e\u6027（\u4f18\u5148\u7ea7\u6700\u2fbc，\u4ec5\u4f5c\u2f64\u4e8e\u5f53\u524d\u5143\u7d20） <\/span><\/p>\n

b. <\/span>\u5185\u90e8\u6837\u5f0f\u8868： <\/span><style> <\/span>\u6807\u7b7e（\u4f5c\u2f64\u4e8e\u5f53\u524d\u2eda\u2faf） <\/span><\/p>\n

c. <\/span>\u5916\u90e8\u6837\u5f0f\u8868： <\/span>.css <\/span>\u2f42\u4ef6+ <\/span><link> <\/span>\u5f15\u2f0a（\u4f18\u5148\u7ea7\u6700\u4f4e，\u53ef\u590d\u2f64）<\/span>\u2022 <\/span><\/p>\n

\u6838\u2f3c\u77e5\u8bc6\u70b9： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u9009\u62e9\u5668：\u7c7b\u578b\u9009\u62e9\u5668（\u5982 <\/span>p <\/span>）\u3001\u7c7b\u9009\u62e9\u5668（\u5982 <\/span>.class <\/span>）\u3001ID\u9009\u62e9\u5668（\u5982 <\/span>#id <\/span>）\u3001\u4f2a\u7c7b <\/span><\/p>\n

（\u5982 <\/span>a:hover <\/span>） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u76d2\u6a21\u578b：content（\u5185\u5bb9\u533a）\u2192 padding（\u5185\u8fb9\u8ddd）\u2192 border（\u8fb9\u6846）\u2192 margin（\u5916\u8fb9\u8ddd） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5173\u952e\u7279\u6027：\u7ee7\u627f\u6027\u3001\u4f18\u5148\u7ea7\u3001\u54cd\u5e94\u5f0f\u8bbe\u8ba1（\u5a92\u4f53\u67e5\u8be2）\u3001\u52a8\u753b\u4e0e\u8fc7\u6e21 <\/span><\/p>\n

3. JavaScript（JS） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u5b9a\u4f4d：\u5ba2\u2f3e\u7aef\u811a\u672c\u8bed\u2f94，\u4e3a\u2f79\u2eda\u6dfb\u52a0\u52a8\u6001\u4ea4\u4e92\u529f\u80fd <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u7ec4\u6210\u90e8\u5206： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

ECMAScript：\u8bed\u6cd5\u4e0e\u57fa\u7840\u5bf9\u8c61（\u6838\u2f3c\u6807\u51c6） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

DOM（\u2f42\u6863\u5bf9\u8c61\u6a21\u578b）：\u64cd\u4f5c\u2f79\u2eda\u5185\u5bb9\/\u7ed3\u6784\/\u6837\u5f0f\u7684API <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

BOM（\u6d4f\u89c8\u5668\u5bf9\u8c61\u6a21\u578b）：\u4e0e\u6d4f\u89c8\u5668\u4ea4\u4e92\u7684API <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u529f\u80fd： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u64cd\u4f5cDOM：\u83b7\u53d6\u5143\u7d20（ <\/span>getElementById <\/span>）\u3001\u4fee\u6539\u5185\u5bb9（ <\/span>textContent <\/span>）\u3001\u7ed1\u5b9a\u4e8b\u4ef6 <\/span><\/p>\n

（ <\/span>onclick <\/span>） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

BOM\u5bf9\u8c61： <\/span>window <\/span>（\u6838\u2f3c）\u3001 <\/span>location <\/span>（URL\u4fe1\u606f）\u3001 <\/span>navigator <\/span>（\u6d4f\u89c8\u5668\u4fe1 <\/span><\/p>\n

\u606f）\u3001 <\/span>history <\/span>（\u5386\u53f2\u8bb0\u5f55） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5e94\u2f64\u573a\u666f：\u8868\u5355\u9a8c\u8bc1\u3001\u52a8\u6001\u66f4\u65b0\u2eda\u2faf\u3001\u52a8\u753b\u6548\u679c\u3001AJAX\u8bf7\u6c42 <\/span><\/p>\n

（\u56db）Web\u540e\u7aef\u4e0e\u52a8\u6001\u2f42\u6863\u6280\u672f <\/span><\/p>\n

1. \u52a8\u6001\u2f42\u6863\u4e0e\u9759\u6001\u2f42\u6863 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u9759\u6001\u2f42\u6863：\u56fa\u5b9a\u5185\u5bb9，\u670d\u52a1\u5668\u76f4\u63a5\u8fd4\u56de\u2f42\u4ef6（\u5982\u9759\u6001HTML） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u52a8\u6001\u2f42\u6863：\u5185\u5bb9\u6309\u9700\u2f63\u6210，\u5206\u4e24\u7c7b： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u670d\u52a1\u5668\u7aef：CGI\u3001<\/span>ASP.NET<\/span>\u3001PHP\u3001JSP\u3001Servlet（\u6838\u2f3c） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5ba2\u2f3e\u7aef：JavaScript+DOM（\u2f46\u9700\u670d\u52a1\u5668\u53c2\u4e0e） <\/span><\/p>\n

2. Servlet\u4e0eJSP <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Servlet： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5b9a\u4e49：\u8fd0\u2f8f\u5728Web\u5bb9\u5668（\u5982Tomcat）\u4e2d\u7684Java\u7a0b\u5e8f，\u4f5c\u4e3a\u5ba2\u2f3e\u7aef\u4e0e\u670d\u52a1\u5668\u8d44\u6e90\u7684\u4e2d\u95f4\u5c42 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u4f18\u52bf：\u76f8\u2f50CGI\u6027\u80fd\u66f4\u2fbc（\u5e38\u9a7b\u5185\u5b58）\u3001\u8de8\u5e73\u53f0（Java\u7279\u6027）\u3001\u5b89\u5168\u53ef\u9760 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6838\u2f3c\u529f\u80fd：\u5904\u7406HTTP\u8bf7\u6c42\u3001\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u3001\u52a8\u6001\u2f63\u6210\u54cd\u5e94 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

JSP（Java Server Pages）： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5b9a\u4e49：HTML\u4e2d\u5d4c\u2f0aJava\u811a\u672c\u7684\u52a8\u6001\u2f79\u2eda\u6280\u672f，\u2f42\u4ef6\u540e\u7f00 <\/span>.jsp<\/span>\u25e6 <\/span><\/p>\n

\u4f18\u52bf：\u517c\u987eHTML\u7684\u2eda\u2faf\u5c55\u2f70\u4e0eJava\u7684\u4e1a\u52a1\u5904\u7406，\u79fb\u690d\u6027\u5f3a（\u8de8\u5e73\u53f0）\u3001\u2f40\u6301\u4f01\u4e1a\u7ea7Java API <\/span><\/p>\n

（JDBC\u3001EJB\u7b49） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u4e0eServlet\u5173\u7cfb：JSP\u672c\u8d28\u4f1a\u88ab\u7f16\u8bd1\u4e3aServlet\u6267\u2f8f，\u4e92\u8865\u5206\u2f2f（JSP\u4fa7\u91cd\u89c6\u56fe，Servlet\u4fa7\u91cd\u63a7 <\/span><\/p>\n

\u5236） <\/span><\/p>\n

3. MVC\u8bbe\u8ba1\u6a21\u5f0f <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u601d\u60f3：\u5c06\u5e94\u2f64\u5206\u4e3a\u4e09\u2f24\u7ec4\u4ef6，\u677e\u8026\u5408\u8bbe\u8ba1 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Model（\u6a21\u578b）：\u5904\u7406\u4e1a\u52a1\u903b\u8f91\u4e0e\u6570\u636e\u7ba1\u7406（\u5982JavaBean） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

View（\u89c6\u56fe）：\u5c55\u2f70\u6570\u636e（\u5982JSP\u2eda\u2faf） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Controller（\u63a7\u5236\u5668）：\u63a5\u6536\u8bf7\u6c42\u3001\u8f6c\u53d1\u5904\u7406\u3001\u8fd4\u56de\u54cd\u5e94（\u5982Servlet） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4e24\u79cd\u4f53\u7cfb\u7ed3\u6784： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Model 1：JSP+JavaBean（\u2f46\u72ec\u2f74\u63a7\u5236\u5668，\u9002\u2f64\u4e8e\u2f29\u578b\u9879\u2f6c，\u7ef4\u62a4\u6027\u5dee） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Model 2：JSP（View）+ Servlet（Controller）+ JavaBean（Model）（\u63a8\u8350，\u7ed3\u6784\u6e05\u6670，\u53ef <\/span><\/p>\n

\u6269\u5c55\u6027\u5f3a） <\/span><\/p>\n

4. Tomcat\u670d\u52a1\u5668 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9a\u4f4d：\u5f00\u6e90Web\u5bb9\u5668（\u2f40\u6301Servlet\/JSP），\u517c\u5177Web\u670d\u52a1\u5668\u529f\u80fd <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5173\u952e\u914d\u7f6e： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u4e0b\u8f7d\u5b89\u88c5：\u9700\u5148\u5b89\u88c5Java\u8fd0\u2f8f\u65f6\u73af\u5883（JRE\/JDK），\u5b98\u2f79：<\/span>http:\/\/tomcat.apache.org\/ <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u7aef\u2f1d\u914d\u7f6e：\u9ed8\u8ba4HTTP\u7aef\u2f1d8080，\u53ef\u4fee\u6539 <\/span>conf\/server.xml <\/span>\u7684Connector\u7aef\u2f1d\u5c5e\u6027（\u5982\u6539\u4e3a <\/span><\/p>\n

80） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u2f6c\u5f55： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

bin：\u53ef\u6267\u2f8f\u2f42\u4ef6\u4e0e\u811a\u672c；conf：\u914d\u7f6e\u2f42\u4ef6；lib：\u4f9d\u8d56jar\u5305；webapps：\u90e8\u7f72\u5e94\u2f64\u7a0b\u5e8f； <\/span><\/p>\n

logs：\u2f47\u5fd7\u2f42\u4ef6 <\/span><\/p>\n

（\u4e94）AJAX\u6280\u672f <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9a\u4e49：\u5f02\u6b65JavaScript\u548cXML（\u73b0\u4e3b\u6d41\u2f64JSON），\u2f46\u9700\u5237\u65b0\u6574\u4e2a\u2eda\u2faf\u5373\u53ef\u4e0e\u670d\u52a1\u5668\u4ea4\u6362\u6570\u636e\u5e76\u5c40 <\/span><\/p>\n

\u90e8\u66f4\u65b0 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u539f\u7406：\u57fa\u4e8e <\/span>XMLHttpRequest <\/span>\u5bf9\u8c61\u6216 <\/span>Fetch API <\/span>，\u5b9e\u73b0\u5f02\u6b65\u901a\u4fe1 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f2f\u4f5c\u6d41\u7a0b： <\/span><\/p>\n

a. <\/span>\u521b\u5efa\u8bf7\u6c42\u5bf9\u8c61（ <\/span>new XMLHttpRequest() <\/span>\u6216 <\/span>fetch() <\/span>） <\/span><\/p>\n

b. <\/span>\u914d\u7f6e\u8bf7\u6c42\u53c2\u6570（\u2f45\u6cd5\u3001URL\u3001\u5f02\u6b65\u6807\u8bc6） <\/span><\/p>\n

c. <\/span>\u7ed1\u5b9a\u56de\u8c03\u51fd\u6570（\u76d1\u542c\u8bf7\u6c42\u72b6\u6001\u53d8\u5316） <\/span><\/p>\n

d. <\/span>\u53d1\u9001\u8bf7\u6c42（ <\/span>send() <\/span>，POST\u53ef\u9644\u5e26\u6570\u636e）<\/span>e. <\/span>\u5904\u7406\u54cd\u5e94（\u89e3\u6790JSON\/XML，\u901a\u8fc7DOM\u66f4\u65b0\u2eda\u2faf） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u4ef7\u503c：\u63d0\u5347\u2f64\u2f3e\u4f53\u9a8c（\u2f46\u5237\u65b0）\u3001\u51cf\u5c11\u2f79\u7edc\u5e26\u5bbd\u6d88\u8017 <\/span><\/p>\n

\u4e09\u3001\u590d\u4e60\u5efa\u8bae <\/span><\/p>\n

1. <\/span>\u7406\u8bba\u91cd\u70b9： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5403\u900fTCP\/IP\u534f\u8bae\u6808\u3001HTTP\u534f\u8bae（\u8bf7\u6c42\u2f45\u6cd5\u3001\u72b6\u6001\u7801\u3001\u6d88\u606f\u7ed3\u6784） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u638c\u63e1MVC\u8bbe\u8ba1\u6a21\u5f0f\u3001Servlet\/JSP\u2f2f\u4f5c\u539f\u7406 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u533a\u5206\u6838\u2f3c\u6982\u5ff5：\u4e92\u8054\u2f79vs\u4e07\u7ef4\u2f79\u3001TCPvsUDP\u3001URIvsURL\u3001DOMvsBOM <\/span><\/p>\n

2. <\/span>\u7f16\u7a0b\u5b9e\u8df5（\u4e0e\u5b9e\u9a8c\u7d27\u5bc6\u5173\u8054）： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u524d\u7aef：HTML\/CSS\u5e03\u5c40\u3001JavaScript DOM\u64cd\u4f5c\u3001\u7b80\u5355BOM\u5e94\u2f64 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u540e\u7aef：Servlet\u63a5\u6536\u8bf7\u6c42\/\u5904\u7406\u54cd\u5e94\u3001JSP\u2eda\u2faf\u52a8\u6001\u6e32\u67d3 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u7efc\u5408：AJAX\u5f02\u6b65\u8bf7\u6c42（\u539f\u2f63XHR\u6216Fetch API）\u3001\u524d\u540e\u7aef\u6570\u636e\u4ea4\u4e92 <\/span><\/p>\n

3. <\/span>\u5b9e\u9a8c\u62a5\u544a\u5173\u8054： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u91cd\u70b9\u56de\u987e\u5b9e\u9a8c\u4e2d\u6d89\u53ca\u7684\u7f16\u7a0b\u6848\u4f8b（\u5982Servlet\u914d\u7f6e\u3001AJAX\u8bf7\u6c42\u5b9e\u73b0\u3001MVC\u7ed3\u6784\u642d\u5efa） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u786e\u4fdd\u5b9e\u9a8c\u62a5\u544a\u4e2d\u6838\u2f3c\u4ee3\u7801\u4e0e\u7406\u8bba\u77e5\u8bc6\u70b9\u5bf9\u5e94（\u5982HTTP\u8bf7\u6c42\u5904\u7406\u3001\u6570\u636e\u5e93\u8fde\u63a5\u903b\u8f91） <\/span><\/p>\n

4. <\/span>\u6613\u9519\u70b9\u63d0\u9192： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

HTTP\u2f46\u72b6\u6001\u7279\u6027\u7684\u5f71\u54cd\u4e0e\u89e3\u51b3\u2f45\u6848 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

CSS\u9009\u62e9\u5668\u4f18\u5148\u7ea7\u4e0e\u5c42\u53e0\u89c4\u5219 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Servlet\u2f63\u547d\u5468\u671f\u4e0eTomcat\u90e8\u7f72\u6ce8\u610f\u4e8b\u9879 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

AJAX\u5f02\u6b65\u56de\u8c03\u7684\u6267\u2f8f\u987a\u5e8f <\/span><\/p>\n

\u795d\u5404\u4f4d\u540c\u5b66\u590d\u4e60\u987a\u5229，\u8003\u8bd5\u6210\u529f！\u5982\u9700\u8fdb\u2f00\u6b65\u7b54\u7591，\u53ef\u901a\u8fc7\u8bfe\u7a0bQQ\u7fa4（\u7fa4\u53f7：1041862736）\u4ea4\u6d41\u3002 <\/span><\/p>\n

Ch2 Servlet <\/span><\/p>\n

\u2f00\u3001\u6838\u2f3c\u6982\u5ff5 <\/span><\/p>\n

1. Servlet\u5b9a\u4e49\u4e0e\u5b9a\u4f4d <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u672c\u8d28：\u8fd0\u2f8f\u5728Web\u670d\u52a1\u5668\u7aef（\u5982Tomcat）\u7684Java\u7a0b\u5e8f，\u57fa\u4e8eHTTP\u534f\u8bae，\u662fJava Web\u5f00\u53d1\u7684\u57fa <\/span><\/p>\n

\u7840\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4e0eJSP\u7684\u5173\u7cfb：JSP\u2eda\u2faf\u8fd0\u2f8f\u524d\u4f1a\u88abJSP\u5bb9\u5668\u7ffb\u8bd1\u6210Servlet，\u670d\u52a1\u5668\u7aef\u5b9e\u9645\u8fd0\u2f8f\u7684\u662fServlet\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u4f9d\u8d56：Servlet API（\u2f00\u7ec4\u63a5\u2f1d\u548c\u7c7b），\u63d0\u4f9bServlet\u4e0e\u5bb9\u5668\u7684\u6807\u51c6\u901a\u4fe1\u6846\u67b6，\u72ec\u2f74\u4e8e\u5e73\u53f0\u3002 <\/span><\/p>\n

2. \u4e3b\u8981\u529f\u80fd<\/span>1. <\/span>\u8bfb\u53d6\u5ba2\u2f3e\u63d0\u4ea4\u7684\u663e\u5f0f\u6570\u636e（HTML\u8868\u5355\u8f93\u2f0a\u3001hidden\u6807\u7b7e\u6570\u636e）； <\/span><\/p>\n

2. <\/span>\u8bfb\u53d6\u6d4f\u89c8\u5668\u53d1\u9001\u7684\u9690\u5f0f\u8bf7\u6c42\u6570\u636e（HTTP\u62a5\u2f42\u5934\u3001Cookie\u3001\u6d4f\u89c8\u5668\u2f40\u6301\u7684\u5a92\u4f53\u7c7b\u578b\u7b49）； <\/span><\/p>\n

3. <\/span>\u2f63\u6210\u54cd\u5e94\u7ed3\u679c（\u8bbf\u95ee\u6570\u636e\u5e93\u3001\u8c03\u2f64Web\u670d\u52a1\u3001\u76f4\u63a5\u8ba1\u7b97）； <\/span><\/p>\n

4. <\/span>\u5411\u5ba2\u2f3e\u53d1\u9001\u663e\u5f0f\u6570\u636e（HTML\u3001XML\u3001\u2f06\u8fdb\u5236\u56fe\u50cf\u7b49）； <\/span><\/p>\n

5. <\/span>\u53d1\u9001\u9690\u5f0fHTTP\u54cd\u5e94\u6570\u636e（\u54cd\u5e94\u5934\u3001Cookie\u3001\u7f13\u5b58\u53c2\u6570\u7b49）\u3002 <\/span><\/p>\n

\u2f06\u3001Servlet\u4f18\u52bf <\/span><\/p>\n

1. \u2f83\u2f9d\u6838\u2f3c\u4f18\u52bf <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u57fa\u4e8eJava\u8bed\u2f94：\u7ee7\u627f\u8de8\u5e73\u53f0\u3001\u2faf\u5411\u5bf9\u8c61\u3001\u5f3a\u7c7b\u578b\u3001\u5783\u573e\u56de\u6536\u3001\u4e30\u5bcc\u7c7b\u5e93\u7b49\u7279\u6027； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6a21\u5757\u5316\u4e0e\u53ef\u6269\u5c55\u6027：\u4fbf\u4e8e\u529f\u80fd\u6269\u5c55\u548c\u4ee3\u7801\u91cd\u2f64，\u53ef\u7ef4\u62a4\u6027\u5f3a； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b89\u5168\u53ef\u9760：Java\u5b89\u5168\u7ba1\u7406\u5668\u9650\u5236\u8d44\u6e90\u8bbf\u95ee，\u53ef\u4fe1\u5ea6\u2fbc\u3002 <\/span><\/p>\n

2. \u4e0eCGI\u7684\u5bf9\u2f50\u4f18\u52bf <\/span><\/p>\n

\u7279\u6027 <\/span><\/p>\n

Servlet <\/span><\/p>\n

CGI <\/span><\/p>\n

\u7ebf\u7a0b\u6a21\u578b <\/span><\/p>\n

\u591a\u7ebf\u7a0b（\u6bcf\u4e2a\u8bf7\u6c42\u2f00\u4e2a\u7ebf\u7a0b） <\/span><\/p>\n

\u591a\u8fdb\u7a0b（\u6bcf\u4e2a\u8bf7\u6c42\u2f00\u4e2a\u8fdb\u7a0b） <\/span><\/p>\n

\u8fd0\u2f8f\u72b6\u6001 <\/span><\/p>\n

\u542f\u52a8\u65f6\u52a0\u8f7d，\u9a7b\u7559\u670d\u52a1\u5668\u5185\u5b58 <\/span><\/p>\n

\u6bcf\u6b21\u8bf7\u6c42\u91cd\u65b0\u521b\u5efa\u8fdb\u7a0b，\u6548\u7387 <\/span><\/p>\n

\u4f4e <\/span><\/p>\n

\u8fd0\u2f8f\u7a7a\u95f4 <\/span><\/p>\n

Web\u670d\u52a1\u5668\u5730\u5740\u7a7a\u95f4\u5185\u6267\u2f8f <\/span><\/p>\n

\u72ec\u2f74\u8fdb\u7a0b，\u8d44\u6e90\u6d88\u8017\u2f24 <\/span><\/p>\n

\u5e73\u53f0\u4f9d\u8d56\u6027 <\/span><\/p>\n

\u8de8\u5e73\u53f0（Java\u7f16\u5199） <\/span><\/p>\n

\u4f9d\u8d56\u5e73\u53f0，\u53ef\u79fb\u690d\u6027\u5dee <\/span><\/p>\n

\u4e09\u3001Servlet\u2f2f\u4f5c\u539f\u7406 <\/span><\/p>\n

1. <\/span>Web\u670d\u52a1\u5668（Servlet\u5bb9\u5668）\u63a5\u6536\u5ba2\u2f3e\u7aef\u8bf7\u6c42，\u521b\u5efa\u201c\u8bf7\u6c42（HttpServletRequest）\u201d\u548c\u201c\u54cd\u5e94 <\/span><\/p>\n

（HttpServletResponse）\u201d\u5bf9\u8c61； <\/span><\/p>\n

2. <\/span>\u5224\u65ad\u8bf7\u6c42\u5bf9\u5e94\u7684Servlet\u5bf9\u8c61\u662f\u5426\u5b58\u5728： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5b58\u5728：\u76f4\u63a5\u8c03\u2f64\u5176 <\/span>service() <\/span>\u2f45\u6cd5（\u95f4\u63a5\u8c03\u2f64 <\/span>doGet() <\/span>\/ <\/span>doPost() <\/span>），\u4f20\u2f0a\u8bf7\u6c42\u548c\u54cd\u5e94 <\/span><\/p>\n

\u5bf9\u8c61； <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u4e0d\u5b58\u5728：\u52a0\u8f7dServlet\u7c7b\u2192\u521b\u5efa\u5b9e\u4f8b\u2192\u8c03\u2f64 <\/span>init() <\/span>\u2f45\u6cd5\u521d\u59cb\u5316\u2192\u8c03\u2f64 <\/span>service() <\/span>\u2f45\u6cd5； <\/span><\/p>\n

3. <\/span>service() <\/span>\u2f45\u6cd5\u5904\u7406\u8bf7\u6c42（\u83b7\u53d6\u5ba2\u2f3e\u7aef\u6570\u636e\u3001\u4e1a\u52a1\u903b\u8f91\u5904\u7406），\u901a\u8fc7\u54cd\u5e94\u5bf9\u8c61\u8fd4\u56de\u7ed3\u679c； <\/span><\/p>\n

4. <\/span>\u8bf7\u6c42\u5904\u7406\u5b8c\u6210\u540e，\u7ebf\u7a0b\u9500\u6bc1\u6216\u56de\u6536\u5230\u7ebf\u7a0b\u6c60，\u8bf7\u6c42\/\u54cd\u5e94\u5bf9\u8c61\u5931\u6548\u3002 <\/span><\/p>\n

\u56db\u3001Servlet API\u6838\u2f3c\u7ec4\u4ef6<\/span>1. \u56db\u2f24\u6838\u2f3c\u5305 <\/span><\/p>\n

\u5305\u540d <\/span><\/p>\n

\u529f\u80fd\u63cf\u8ff0 <\/span><\/p>\n

javax.servlet <\/span><\/p>\n

\u5b9a\u4e49\u534f\u8bae\u2f46\u5173\u7684Servlet\u63a5\u2f1d <\/span><\/p>\n

\u548c\u7c7b <\/span><\/p>\n

javax.servlet.http <\/span><\/p>\n

\u5b9a\u4e49HTTP\u534f\u8bae\u76f8\u5173\u7684Servlet <\/span><\/p>\n

\u63a5\u2f1d\u548c\u7c7b <\/span><\/p>\n

javax.servlet.annotat <\/span><\/p>\n

ion <\/span><\/p>\n

\u5b9a\u4e499\u4e2a\u6ce8\u89e3\u7c7b\u578b\u548c2\u4e2a\u679a\u4e3e <\/span><\/p>\n

\u7c7b\u578b <\/span><\/p>\n

javax.servlet.descrip <\/span><\/p>\n

tor <\/span><\/p>\n

\u5b9a\u4e49\u8bbf\u95eeWeb\u5e94\u2f64\u914d\u7f6e\u4fe1\u606f\u7684 <\/span><\/p>\n

\u7c7b\u578b <\/span><\/p>\n

2. \u6838\u2f3c\u63a5\u2f1d\u4e0e\u7c7b\u7684\u7ee7\u627f\u5173\u7cfb <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

Servlet<\/span>\u63a5\u2f1d <\/span>\u2190 <\/span>\u5b9e\u73b0 <\/span>\u2190 <\/span>GenericServlet<\/span>\u62bd\u8c61\u7c7b <\/span>\u2190 <\/span>\u7ee7\u627f <\/span>\u2190 <\/span>HttpServlet<\/span>\u62bd\u8c61\u7c7b <\/span><\/p>\n

ServletConfig<\/span>\u63a5\u2f1d <\/span>\u2190 <\/span>\u5b9e\u73b0 <\/span>\u2190 <\/span>GenericServlet<\/span>\u62bd\u8c61\u7c7b <\/span><\/p>\n

ServletRequest<\/span>\u63a5\u2f1d <\/span>\u2190 <\/span>\u6269\u5c55 <\/span>\u2190 <\/span>HttpServletRequest<\/span>\u63a5\u2f1d <\/span><\/p>\n

ServletResponse<\/span>\u63a5\u2f1d <\/span>\u2190 <\/span>\u6269\u5c55 <\/span>\u2190 <\/span>HttpServletResponse<\/span>\u63a5\u2f1d <\/span><\/p>\n

3. \u6838\u2f3c\u63a5\u2f1d\u8be6\u89e3 <\/span><\/p>\n

（1）Servlet\u63a5\u2f1d（\u6838\u2f3c） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6240\u6709Servlet\u5fc5\u987b\u76f4\u63a5\/\u95f4\u63a5\u5b9e\u73b0，\u5b9a\u4e495\u4e2a\u6838\u2f3c\u2f45\u6cd5： <\/span><\/p>\n

\u2f45\u6cd5 <\/span><\/p>\n

\u7c7b\u578b <\/span><\/p>\n

\u529f\u80fd\u63cf\u8ff0 <\/span><\/p>\n

init(ServletConfig <\/span><\/p>\n

config) <\/span><\/p>\n

\u2f63\u547d\u5468\u671f <\/span><\/p>\n

\u521d\u59cb\u5316Servlet\u5b9e\u4f8b，\u4ec5\u8c03\u2f641 <\/span><\/p>\n

\u6b21 <\/span><\/p>\n

service(ServletRequest <\/span><\/p>\n

req, ServletResponse <\/span><\/p>\n

res) <\/span><\/p>\n

\u2f63\u547d\u5468\u671f <\/span><\/p>\n

\u5904\u7406\u5ba2\u2f3e\u7aef\u8bf7\u6c42，\u6bcf\u6b21\u8bf7\u6c42\u8c03 <\/span><\/p>\n

\u2f641\u6b21 <\/span><\/p>\n

destroy() <\/span><\/p>\n

\u2f63\u547d\u5468\u671f <\/span><\/p>\n

\u9500\u6bc1Servlet，\u91ca\u653e\u8d44\u6e90，\u4ec5 <\/span><\/p>\n

\u8c03\u2f641\u6b21 <\/span><\/p>\n

getServletConfig() <\/span><\/p>\n

\u666e\u901a\u2f45\u6cd5 <\/span><\/p>\n

\u83b7\u53d6Servlet\u914d\u7f6e\u4fe1\u606f <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4<\/span>getServletInfo() <\/span><\/p>\n

\u666e\u901a\u2f45\u6cd5 <\/span><\/p>\n

\u8fd4\u56deServlet\u63cf\u8ff0\u4fe1\u606f <\/span><\/p>\n

（2）GenericServlet\u62bd\u8c61\u7c7b <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9e\u73b0 <\/span>Servlet <\/span>\u548c <\/span>ServletConfig <\/span>\u63a5\u2f1d，\u63d0\u4f9b\u9664 <\/span>service() <\/span>\u5916\u7684\u6240\u6709\u2f45\u6cd5\u9ed8\u8ba4\u5b9e\u73b0； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u4f5c\u2f64：\u5c06 <\/span>ServletConfig <\/span>\u8d4b\u7ed9\u7c7b\u7ea7\u53d8\u91cf，\u53ef\u76f4\u63a5\u8c03\u2f64 <\/span>ServletConfig <\/span>\u2f45\u6cd5； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6781\u5c11\u76f4\u63a5\u4f7f\u2f64，\u9700\u91cd\u5199 <\/span>service() <\/span>\u2f45\u6cd5\u3002 <\/span><\/p>\n

（3）HttpServlet\u62bd\u8c61\u7c7b（\u6700\u5e38\u2f64） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6269\u5c55 <\/span>GenericServlet <\/span>，\u9488\u5bf9HTTP\u534f\u8bae\u5c01\u88c5，\u65b0\u589e <\/span>service(HttpServletRequest, <\/span><\/p>\n

HttpServletResponse) <\/span>\u2f45\u6cd5； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u9488\u5bf9HTTP\u8bf7\u6c42\u7c7b\u578b（GET\u3001POST\u3001PUT\u3001DELETE）\u63d0\u4f9b\u5bf9\u5e94\u5904\u7406\u2f45\u6cd5，\u5e38\u2f64： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

doGet(HttpServletRequest req, HttpServletResponse resp) <\/span>：\u5904\u7406GET\u8bf7 <\/span><\/p>\n

\u25e6 <\/span>\u6c42<\/span>do<\/span>；<\/span>Post(HttpServletRequest req, HttpServletResponse resp) <\/span>：\u5904\u7406POST <\/span><\/p>\n

\u8bf7\u6c42； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5f00\u53d1\u65f6\u2f46\u9700\u91cd\u5199 <\/span>service() <\/span>，\u76f4\u63a5\u91cd\u5199 <\/span>doGet() <\/span>\/ <\/span>doPost() <\/span>\u5373\u53ef\u3002 <\/span><\/p>\n

\u4e94\u3001Servlet\u521b\u5efa\u2f45\u5f0f（\u542b\u4ee3\u7801\u2f70\u4f8b） <\/span><\/p>\n

1. \u5b9e\u73b0Servlet\u63a5\u2f1d（\u57fa\u7840\u2f45\u5f0f） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

public class <\/span>ServletDemo <\/span>implements <\/span>Servlet <\/span>{ <\/span><\/p>\n

\/\/ <\/span>\u521d\u59cb\u5316：\u4ec5\u8c03\u2f64<\/span>1<\/span>\u6b21 <\/span><\/p>\n

@Override <\/span><\/p>\n

public void <\/span>init<\/span>(ServletConfig arg0) <\/span>throws <\/span>ServletException { <\/span><\/p>\n

System.out.println(<\/span>"=======init========="<\/span>); <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ <\/span>\u5904\u7406\u8bf7\u6c42：\u6bcf\u6b21\u8bf7\u6c42\u8c03\u2f64<\/span>1<\/span>\u6b21 <\/span><\/p>\n

@Override <\/span><\/p>\n

public void <\/span>service<\/span>(ServletRequest arg0, ServletResponse arg1) <\/span>throws <\/span><\/p>\n

ServletException, IOException { <\/span><\/p>\n

System.out.println(<\/span>"<\/span>\u5904\u7406\u8bf7\u6c42<\/span>…"<\/span>); <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ <\/span>\u9500\u6bc1：\u4ec5\u8c03\u2f64<\/span>1<\/span>\u6b21（\u670d\u52a1\u5668\u5173\u95ed\u65f6） <\/span><\/p>\n

@Override <\/span><\/p>\n

public void <\/span>destroy<\/span>() { <\/span><\/p>\n

System.out.println(<\/span>"******destroy**********"<\/span>); <\/span><\/p>\n

} <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18<\/span>@Override <\/span><\/p>\n

public <\/span>ServletConfig <\/span>getServletConfig<\/span>() { <\/span>return <\/span>null<\/span>; } <\/span><\/p>\n

@Override <\/span><\/p>\n

public <\/span>String <\/span>getServletInfo<\/span>() { <\/span>return <\/span>null<\/span>; } <\/span><\/p>\n

} <\/span><\/p>\n

2. \u7ee7\u627fGenericServlet\u7c7b（\u6781\u5c11\u4f7f\u2f64） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

public class <\/span>ServletDemo <\/span>extends <\/span>GenericServlet <\/span>{ <\/span><\/p>\n

@Override <\/span><\/p>\n

public void <\/span>service<\/span>(ServletRequest arg0, ServletResponse arg1) <\/span>throws <\/span><\/p>\n

ServletException, IOException { <\/span><\/p>\n

System.out.println(<\/span>"<\/span>\u901a\u8fc7<\/span>GenericServlet<\/span>\u5904\u7406\u8bf7\u6c42<\/span>"<\/span>); <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

3. \u7ee7\u627fHttpServlet\u7c7b（\u4e3b\u6d41\u2f45\u5f0f） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

public class <\/span>ServletDemo <\/span>extends <\/span>HttpServlet <\/span>{ <\/span><\/p>\n

\/\/ <\/span>\u5904\u7406<\/span>GET<\/span>\u8bf7\u6c42 <\/span><\/p>\n

@Override <\/span><\/p>\n

protected void <\/span>doGet<\/span>(HttpServletRequest req, HttpServletResponse resp) <\/span><\/p>\n

throws <\/span>ServletException, IOException { <\/span><\/p>\n

System.out.println(<\/span>"<\/span>\u5904\u7406<\/span>GET<\/span>\u8bf7\u6c42<\/span>"<\/span>); <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ <\/span>\u5904\u7406<\/span>POST<\/span>\u8bf7\u6c42（\u53ef\u8c03\u2f64<\/span>doGet<\/span>\u7edf\u2f00\u5904\u7406） <\/span><\/p>\n

@Override <\/span><\/p>\n

protected void <\/span>doPost<\/span>(HttpServletRequest req, HttpServletResponse resp) <\/span><\/p>\n

throws <\/span>ServletException, IOException { <\/span><\/p>\n

System.out.println(<\/span>"<\/span>\u5904\u7406<\/span>POST<\/span>\u8bf7\u6c42<\/span>"<\/span>); <\/span><\/p>\n

doGet(req, resp); <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

\u516d\u3001Servlet\u2f63\u547d\u5468\u671f（\u91cd\u70b9\u8003\u70b9） <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

21 <\/span><\/p>\n

22 <\/span><\/p>\n

23 <\/span><\/p>\n

24 <\/span><\/p>\n

25 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14<\/span>1. \u56db\u4e2a\u9636\u6bb5 <\/span><\/p>\n

\u9636\u6bb5 <\/span><\/p>\n

\u89e6\u53d1\u65f6\u673a <\/span><\/p>\n

\u6838\u2f3c\u2f45\u6cd5 <\/span><\/p>\n

\u8c03\u2f64\u6b21\u6570 <\/span><\/p>\n

\u52a0\u8f7d\u4e0e\u5b9e\u4f8b\u5316 <\/span><\/p>\n

\u670d\u52a1\u5668\u542f\u52a8\u65f6\u6216\u7b2c\u2f00\u6b21\u8bbf <\/span><\/p>\n

\u95ee\u65f6 <\/span><\/p>\n

\u7c7b\u6784\u9020\u2f45\u6cd5（\u5bb9\u5668\u8c03\u2f64） <\/span><\/p>\n

1\u6b21 <\/span><\/p>\n

\u521d\u59cb\u5316 <\/span><\/p>\n

\u5b9e\u4f8b\u521b\u5efa\u540e\u2f74\u5373\u6267\u2f8f <\/span><\/p>\n

init(ServletConfig <\/span><\/p>\n

) <\/span><\/p>\n

1\u6b21 <\/span><\/p>\n

\u670d\u52a1\u9636\u6bb5 <\/span><\/p>\n

\u6bcf\u6b21\u63a5\u6536\u5ba2\u2f3e\u7aef\u8bf7\u6c42 <\/span><\/p>\n

service() <\/span>\u2192 <\/span>doGet( <\/span><\/p>\n

) <\/span>\/ <\/span>doPost() <\/span><\/p>\n

\u591a\u6b21 <\/span><\/p>\n

\u9500\u6bc1\u9636\u6bb5 <\/span><\/p>\n

\u670d\u52a1\u5668\u5173\u95ed\u6216\u5e94\u2f64\u5378\u8f7d\u65f6 <\/span><\/p>\n

destroy() <\/span><\/p>\n

1\u6b21 <\/span><\/p>\n

2. \u5173\u952e\u8bf4\u660e <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f63\u547d\u5468\u671f\u5b8c\u5168\u7531Web\u5bb9\u5668\u7ba1\u7406，\u7a0b\u5e8f\u5458\u2f46\u6cd5\u76f4\u63a5\u8c03\u2f64\u2f63\u547d\u5468\u671f\u2f45\u6cd5； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

init() <\/span>\u2f45\u6cd5\u2f64\u4e8e\u521d\u59cb\u5316\u8d44\u6e90（\u5982\u6570\u636e\u5e93\u8fde\u63a5）， <\/span>destroy() <\/span>\u2f45\u6cd5\u2f64\u4e8e\u91ca\u653e\u8d44\u6e90（\u5982\u5173\u95ed\u8fde <\/span><\/p>\n

\u63a5）； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Servlet\u5b9e\u4f8b\u5728\u2f63\u547d\u5468\u671f\u5185\u552f\u2f00（\u5355\u4f8b\u6a21\u5f0f）\u3002 <\/span><\/p>\n

\u4e03\u3001\u6838\u2f3c\u8f85\u52a9\u63a5\u2f1d：ServletConfig\u4e0eServletContext <\/span><\/p>\n

1. ServletConfig\u63a5\u2f1d（Servlet\u4e13\u5c5e\u914d\u7f6e） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f5c\u2f64：\u5c01\u88c5\u5355\u4e2aServlet\u7684\u521d\u59cb\u5316\u914d\u7f6e\u4fe1\u606f（Servlet\u540d\u79f0\u3001\u521d\u59cb\u5316\u53c2\u6570\u3001ServletContext\u5bf9\u8c61）； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u2f45\u6cd5： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

String getServletName() <\/span>：\u83b7\u53d6Servlet\u5728web.xml\u4e2d\u7684\u914d\u7f6e\u540d\u79f0； <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

String getInitParameter(String name) <\/span>：\u83b7\u53d6\u6307\u5b9a\u540d\u79f0\u7684\u521d\u59cb\u5316\u53c2\u6570\u503c； <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Enumeration<String> getInitParameterNames() <\/span>：\u83b7\u53d6\u6240\u6709\u521d\u59cb\u5316\u53c2\u6570\u540d\u79f0； <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

ServletContext getServletContext() <\/span>：\u83b7\u53d6Web\u5e94\u2f64\u7684ServletContext\u5bf9\u8c61； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u914d\u7f6e\u2f45\u5f0f（web.xml）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<<\/span>servlet<\/span>> <\/span><\/p>\n

<<\/span>servlet-name<\/span>>ServletConfigDemo<\/<\/span>servlet-name<\/span>> <\/span><\/p>\n

<<\/span>servlet-class<\/span>>gacl.servlet.study.ServletConfigDemo<\/<\/span>servlet-class<\/span>> <\/span><\/p>\n

<!– <\/span>\u521d\u59cb\u5316\u53c2\u6570 <\/span>–> <\/span><\/p>\n

<<\/span>init-param<\/span>> <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5<\/span><<\/span>param-name<\/span>>name<\/<\/span>param-name<\/span>> <\/span><\/p>\n

<<\/span>param-value<\/span>>gacl<\/<\/span>param-value<\/span>> <\/span><\/p>\n

<\/<\/span>init-param<\/span>> <\/span><\/p>\n

<<\/span>init-param<\/span>> <\/span><\/p>\n

<<\/span>param-name<\/span>>charset<\/<\/span>param-name<\/span>> <\/span><\/p>\n

<<\/span>param-value<\/span>>UTF-8<\/<\/span>param-value<\/span>> <\/span><\/p>\n

<\/<\/span>init-param<\/span>> <\/span><\/p>\n

<\/<\/span>servlet<\/span>> <\/span><\/p>\n

2. ServletContext\u63a5\u2f1d（Web\u5e94\u2f64\u5168\u5c40\u914d\u7f6e） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f5c\u2f64：\u4ee3\u8868\u6574\u4e2aWeb\u5e94\u2f64，\u5c01\u88c5Web\u5e94\u2f64\u7684\u5168\u5c40\u4fe1\u606f，\u5168\u5c40\u5171\u4eab（\u6240\u6709Servlet\u53ef\u8bbf\u95ee）； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u4f18\u52bf：\u914d\u7f6e\u4fe1\u606f\u53ef\u901a\u8fc7web.xml\u4fee\u6539，\u2f46\u9700\u6539\u52a8\u4ee3\u7801，\u7ef4\u62a4\u6027\u5f3a； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u2f45\u6cd5： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

String getInitParameter(String name) <\/span>：\u83b7\u53d6\u5168\u5c40\u521d\u59cb\u5316\u53c2\u6570\u503c； <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

void setAttribute(String name, Object obj) <\/span>：\u8bbe\u7f6e\u5168\u5c40\u5171\u4eab\u5c5e\u6027； <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Object getAttribute(String name) <\/span>：\u83b7\u53d6\u5168\u5c40\u5171\u4eab\u5c5e\u6027； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u83b7\u53d6\u2f45\u5f0f： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

\/\/ <\/span>\u2f45\u5f0f<\/span>1<\/span>：\u901a\u8fc7<\/span>ServletConfig<\/span>\u83b7\u53d6 <\/span><\/p>\n

ServletContext context <\/span>= getServletConfig().getServletContext(); <\/span><\/p>\n

\/\/ <\/span>\u2f45\u5f0f<\/span>2<\/span>：\u76f4\u63a5\u83b7\u53d6（<\/span>GenericServlet<\/span>\u63d0\u4f9b） <\/span><\/p>\n

ServletContext context <\/span>= getServletContext(); <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5168\u5c40\u914d\u7f6e（web.xml）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<<\/span>context-param<\/span>> <\/span><\/p>\n

<<\/span>param-name<\/span>>dname<\/<\/span>param-name<\/span>> <\/span><\/p>\n

<<\/span>param-value<\/span>>com.mysql.jdbc.Driver<\/<\/span>param-value<\/span>> <\/span><\/p>\n

<\/<\/span>context-param<\/span>> <\/span><\/p>\n

3. \u4e24\u8005\u533a\u522b <\/span><\/p>\n

\u7279\u6027 <\/span><\/p>\n

ServletConfig <\/span><\/p>\n

ServletContext <\/span><\/p>\n

\u4f5c\u2f64\u8303\u56f4 <\/span><\/p>\n

\u5355\u4e2aServlet\u4e13\u5c5e <\/span><\/p>\n

\u6574\u4e2aWeb\u5e94\u2f64\u5168\u5c40\u5171\u4eab <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4<\/span>\u914d\u7f6e\u6807\u7b7e <\/span><\/p>\n

<init-param> <\/span>（Servlet\u5185 <\/span><\/p>\n

\u90e8） <\/span><\/p>\n

<context-param> <\/span>（Web <\/span><\/p>\n

\u5e94\u2f64\u6839\u8282\u70b9） <\/span><\/p>\n

\u5b9e\u4f8b\u6570\u91cf <\/span><\/p>\n

\u6bcf\u4e2aServlet\u5bf9\u5e941\u4e2a\u5b9e\u4f8b <\/span><\/p>\n

\u6bcf\u4e2aWeb\u5e94\u2f64\u5bf9\u5e941\u4e2a\u5b9e\u4f8b <\/span><\/p>\n

\u2f0b\u3001Request\u4e0eResponse\u6838\u2f3c\u64cd\u4f5c（\u2fbc\u9891\u8003\u70b9） <\/span><\/p>\n

1. HttpServletRequest\u63a5\u2f1d（\u5c01\u88c5\u5ba2\u2f3e\u7aef\u8bf7\u6c42） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u529f\u80fd：\u83b7\u53d6HTTP\u8bf7\u6c42\u7684\u6240\u6709\u4fe1\u606f（\u8bf7\u6c42\u2f8f\u3001\u8bf7\u6c42\u5934\u3001\u8bf7\u6c42\u53c2\u6570\u3001\u5ba2\u2f3e\u673a\u4fe1\u606f\u7b49）； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5e38\u2f64\u2f45\u6cd5\u5206\u7c7b： <\/span><\/p>\n

\u529f\u80fd\u7c7b\u522b <\/span><\/p>\n

\u4ee3\u8868\u2f45\u6cd5 <\/span><\/p>\n

\u5ba2\u2f3e\u673a\u4fe1\u606f <\/span><\/p>\n

getRemoteAddr() <\/span>（IP\u5730 <\/span><\/p>\n

\u5740）\u3001 <\/span>getRequestURL() <\/span><\/p>\n

（\u5b8c\u6574URL） <\/span><\/p>\n

\u8bf7\u6c42\u2f8f\u4fe1\u606f <\/span><\/p>\n

getMethod() <\/span>（\u8bf7\u6c42\u2f45\u5f0f <\/span><\/p>\n

GET\/POST）\u3001 <\/span><\/p>\n

getRequestURI() <\/span>（\u8d44\u6e90 <\/span><\/p>\n

\u8def\u5f84） <\/span><\/p>\n

\u8bf7\u6c42\u53c2\u6570 <\/span><\/p>\n

getParameter(String <\/span><\/p>\n

name) <\/span>（\u5355\u4e2a\u53c2\u6570）\u3001 <\/span><\/p>\n

getParameterValues(Str <\/span><\/p>\n

ing name) <\/span>（\u591a\u4e2a\u540c\u540d\u53c2 <\/span><\/p>\n

\u6570） <\/span><\/p>\n

\u8bf7\u6c42\u5934\u4fe1\u606f <\/span><\/p>\n

getHeader(String <\/span><\/p>\n

name) <\/span>（\u5355\u4e2a\u8bf7\u6c42\u5934）\u3001 <\/span><\/p>\n

getHeaderNames() <\/span>（\u6240\u6709 <\/span><\/p>\n

\u8bf7\u6c42\u5934） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

GET\u4e0ePOST\u8bf7\u6c42\u533a\u522b（\u91cd\u70b9）： <\/span><\/p>\n

\u7279\u6027 <\/span><\/p>\n

GET\u8bf7\u6c42 <\/span><\/p>\n

POST\u8bf7\u6c42 <\/span><\/p>\n

\u6570\u636e\u4f4d\u7f6e <\/span><\/p>\n

\u9644\u5728URL\u540e（?\u5206\u5272，&\u8fde\u63a5\u53c2 <\/span><\/p>\n

\u6570） <\/span><\/p>\n

\u5c01\u88c5\u5728HTTP\u8bf7\u6c42\u4f53\u4e2d <\/span><\/p>\n

\u53ef\u2ec5\u6027 <\/span><\/p>\n

\u5730\u5740\u680f\u53ef\u2ec5，\u5b89\u5168\u6027\u4f4e <\/span><\/p>\n

\u5730\u5740\u680f\u4e0d\u53ef\u2ec5，\u5b89\u5168\u6027\u2fbc <\/span><\/p>\n

\u6570\u636e\u7c7b\u578b\u9650\u5236 <\/span><\/p>\n

\u4ec5\u2f40\u6301ASCII\u5b57\u7b26 <\/span><\/p>\n

\u2f40\u6301ISO10646\u5168\u5b57\u7b26\u96c6<\/span>\u4e3b\u8981\u2f64\u9014 <\/span><\/p>\n

\u4ece\u670d\u52a1\u5668\u83b7\u53d6\u6570\u636e <\/span><\/p>\n

\u5411\u670d\u52a1\u5668\u63d0\u4ea4\u6570\u636e（\u589e\u5220\u6539） <\/span><\/p>\n

2. HttpServletResponse\u63a5\u2f1d（\u5c01\u88c5\u670d\u52a1\u5668\u54cd\u5e94） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u529f\u80fd：\u5411\u5ba2\u2f3e\u7aef\u53d1\u9001\u54cd\u5e94（\u54cd\u5e94\u5934\u3001\u72b6\u6001\u7801\u3001\u54cd\u5e94\u4f53）； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5e38\u2f64\u64cd\u4f5c： <\/span><\/p>\n

a. <\/span>\u8f93\u51fa\u6570\u636e： <\/span><\/p>\n

\u25aa <\/span><\/p>\n

getOutputStream() <\/span>：\u8f93\u51fa\u2f06\u8fdb\u5236\u6570\u636e（\u5982\u2f42\u4ef6\u4e0b\u8f7d）； <\/span><\/p>\n

\u25aa <\/span><\/p>\n

getWriter() <\/span>：\u8f93\u51fa\u5b57\u7b26\u6570\u636e（\u5982HTML\u3001\u4e2d\u2f42）； <\/span><\/p>\n

\u25aa <\/span><\/p>\n

\u6ce8\u610f：\u4e24\u8005\u4e92\u76f8\u6392\u65a5，\u8c03\u2f64\u2f00\u4e2a\u540e\u4e0d\u80fd\u518d\u8c03\u2f64\u53e6\u2f00\u4e2a； <\/span><\/p>\n

b. <\/span>\u4e2d\u2f42\u4e71\u7801\u89e3\u51b3：\u786e\u4fdd\u670d\u52a1\u7aef\u4e0e\u5ba2\u2f3e\u7aef\u7f16\u7801\u2f00\u81f4（\u5982UTF-8）； <\/span><\/p>\n

c. <\/span>\u72b6\u6001\u7801\u8bbe\u7f6e： <\/span>setStatus(int sc) <\/span>（\u5982200\u6210\u529f\u3001404\u672a\u627e\u5230）； <\/span><\/p>\n

d. <\/span>Cookie\u64cd\u4f5c： <\/span>addCookie(Cookie cookie) <\/span>； <\/span><\/p>\n

e. <\/span>\u2f42\u4ef6\u4e0b\u8f7d：\u8bbe\u7f6e\u54cd\u5e94\u5934 <\/span>Content-Type <\/span>（MIME\u7c7b\u578b）\u548c <\/span>Content-Disposition <\/span>（\u9644\u4ef6 <\/span><\/p>\n

\u4e0b\u8f7d）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f42\u4ef6\u4e0b\u8f7d\u2f70\u4f8b\u4ee3\u7801： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

public class <\/span>ResponseDemo02 <\/span>extends <\/span>HttpServlet <\/span>{ <\/span><\/p>\n

@Override <\/span><\/p>\n

protected void <\/span>doGet<\/span>(HttpServletRequest req, HttpServletResponse resp) <\/span><\/p>\n

throws <\/span>ServletException, IOException { <\/span><\/p>\n

\/\/ <\/span>\u8bbe\u7f6e\u54cd\u5e94\u5934：\u9644\u4ef6\u4e0b\u8f7d <\/span><\/p>\n

resp.setHeader(<\/span>"Content-Disposition"<\/span>, <\/span>"attachment;filename=" <\/span>+ <\/span><\/p>\n

URLEncoder.encode(<\/span>"<\/span>\u4e2d\u2f42\u2f42\u4ef6<\/span>.txt"<\/span>, <\/span>"UTF-8"<\/span>)); <\/span><\/p>\n

\/\/ <\/span>\u8bbe\u7f6e<\/span>MIME<\/span>\u7c7b\u578b <\/span><\/p>\n

resp.setContentType(<\/span>"text\/plain"<\/span>); <\/span><\/p>\n

\/\/ <\/span>\u8bfb\u53d6\u2f42\u4ef6\u5e76\u8f93\u51fa <\/span><\/p>\n

InputStream in <\/span>= <\/span>new <\/span>FileInputStream<\/span>(<\/span>"<\/span>\u2f42\u4ef6\u8def\u5f84<\/span>"<\/span>); <\/span><\/p>\n

OutputStream out <\/span>= resp.getOutputStream(); <\/span><\/p>\n

byte<\/span>[] buf = <\/span>new <\/span>byte<\/span>[<\/span>1024<\/span>]; <\/span><\/p>\n

int <\/span>len; <\/span><\/p>\n

while <\/span>((len = in.read(buf)) != –<\/span>1<\/span>) { <\/span><\/p>\n

out.write(buf, <\/span>0<\/span>, len); <\/span><\/p>\n

} <\/span><\/p>\n

in.close(); <\/span><\/p>\n

out.close(); <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19<\/span>\u4e5d\u3001\u2fbc\u9891\u8003\u70b9\u603b\u7ed3 <\/span><\/p>\n

1. <\/span>Servlet\u2f63\u547d\u5468\u671f：\u4e09\u4e2a\u2f63\u547d\u5468\u671f\u2f45\u6cd5（init\u3001service\u3001destroy）\u7684\u8c03\u2f64\u65f6\u673a\u548c\u6b21\u6570； <\/span><\/p>\n

2. <\/span>Servlet\u4e0eCGI\u7684\u533a\u522b：\u591a\u7ebf\u7a0bvs\u591a\u8fdb\u7a0b\u3001\u9a7b\u7559\u5185\u5b58vs\u4e34\u65f6\u8fdb\u7a0b； <\/span><\/p>\n

3. <\/span>HttpServlet\u6838\u2f3c\u2f45\u6cd5：doGet()\u4e0edoPost()\u7684\u4f5c\u2f64\u53ca\u8c03\u2f64\u5173\u7cfb； <\/span><\/p>\n

4. <\/span>ServletConfig\u4e0eServletContext\u7684\u533a\u522b：\u4f5c\u2f64\u8303\u56f4（\u5355\u4e2aServlet vs \u5168\u5c40\u5e94\u2f64）\u3001\u914d\u7f6e\u6807\u7b7e； <\/span><\/p>\n

5. <\/span>GET\u4e0ePOST\u8bf7\u6c42\u7684\u533a\u522b：\u6570\u636e\u4f4d\u7f6e\u3001\u5b89\u5168\u6027\u3001\u5b57\u7b26\u2f40\u6301\u3001\u2f64\u9014； <\/span><\/p>\n

6. <\/span>Response\u8f93\u51fa\u6d41：getOutputStream\u4e0egetWriter\u7684\u533a\u522b，\u4e2d\u2f42\u4e71\u7801\u89e3\u51b3； <\/span><\/p>\n

7. <\/span>\u4ee3\u7801\u9898：\u7f16\u5199\u57fa\u7840HttpServlet（\u91cd\u5199doGet\/doPost）\u3001\u83b7\u53d6\u521d\u59cb\u5316\u53c2\u6570\u3001\u2f42\u4ef6\u4e0b\u8f7d\u529f\u80fd\u3002 <\/span><\/p>\n

\u2f17\u3001\u590d\u4e60\u5efa\u8bae <\/span><\/p>\n

1. <\/span>\u91cd\u70b9\u638c\u63e1\u2f63\u547d\u5468\u671f\u3001\u6838\u2f3c\u63a5\u2f1d\/\u7c7b\u7684\u7ee7\u627f\u5173\u7cfb\u3001Request\/Response\u5e38\u2f64\u2f45\u6cd5； <\/span><\/p>\n

2. <\/span>\u719f\u8bb0\u5173\u952e\u914d\u7f6e（web.xml\u4e2d\u7684Servlet\u6ce8\u518c\u3001\u521d\u59cb\u5316\u53c2\u6570\u3001\u5168\u5c40\u53c2\u6570）； <\/span><\/p>\n

3. <\/span>\u7ed3\u5408\u4ee3\u7801\u2f70\u4f8b\u7406\u89e3\u5b9e\u9645\u5e94\u2f64\u573a\u666f（\u5982\u8868\u5355\u63d0\u4ea4\u5904\u7406\u3001\u2f42\u4ef6\u4e0b\u8f7d\u3001Cookie\u64cd\u4f5c）； <\/span><\/p>\n

4. <\/span>\u533a\u5206\u6613\u6df7\u6dc6\u6982\u5ff5（ServletConfig vs ServletContext\u3001GET vs POST\u3001\u4e24\u79cd\u8f93\u51fa\u6d41）\u3002 <\/span><\/p>\n

Ch3 Servlet\u2fbc\u7ea7 <\/span><\/p>\n

\u2f00\u3001\u6838\u2f3c\u8003\u70b9\u6846\u67b6 <\/span><\/p>\n

\u672c\u6b21\u671f\u672b\u8003\u67e5\u91cd\u70b9\u56f4\u7ed5Servlet\u2fbc\u7ea7\u7279\u6027\u5c55\u5f00，\u6838\u2f3c\u6a21\u5757\u5305\u62ec：\u8bf7\u6c42\u8f6c\u53d1\u4e0e\u91cd\u5b9a\u5411\u3001\u8fc7\u6ee4\u5668 <\/span><\/p>\n

（Filter）\u3001\u76d1\u542c\u5668（Listener），\u5360\u2f50\u7ea670%，\u9700\u91cd\u70b9\u638c\u63e1\u4e09\u8005\u7684\u5b9a\u4e49\u3001\u2f64\u6cd5\u3001\u2f63\u547d\u5468\u671f\u3001\u6838\u2f3c\u533a\u522b <\/span><\/p>\n

\u53ca\u5b9e\u6218\u914d\u7f6e\u3002 <\/span><\/p>\n

\u2f06\u3001\u6a21\u5757\u2f00：\u8bf7\u6c42\u8f6c\u53d1（RequestDispatcher）\u4e0e\u91cd\u5b9a\u5411 <\/span><\/p>\n

（sendRedirect） <\/span><\/p>\n

（\u2f00）\u6838\u2f3c\u5b9a\u4e49 <\/span><\/p>\n

1. <\/span>\u91cd\u5b9a\u5411（sendRedirect）：\u5ba2\u2f3e\u7aef\u8bf7\u6c42\u670d\u52a1\u5668\u540e，\u670d\u52a1\u5668\u8fd4\u56de\u65b0\u7684URL\u5730\u5740，\u5ba2\u2f3e\u7aef\u91cd\u65b0\u53d1\u8d77\u65b0 <\/span><\/p>\n

\u8bf7\u6c42（\u4e24\u6b21\u72ec\u2f74\u8bf7\u6c42）\u3002 <\/span><\/p>\n

2. <\/span>\u8bf7\u6c42\u8f6c\u53d1（RequestDispatcher）：\u670d\u52a1\u5668\u5185\u90e8\u5c06\u8bf7\u6c42\u4f20\u9012\u7ed9\u5176\u4ed6\u8d44\u6e90（Servlet\/JSP\/HTML）， <\/span><\/p>\n

\u5168\u7a0b\u4ec5\u2f00\u6b21\u5ba2\u2f3e\u7aef\u8bf7\u6c42，\u5ba2\u2f3e\u7aef\u2f46\u611f\u77e5\u3002 <\/span><\/p>\n

（\u2f06）\u5b9e\u73b0\u2f45\u5f0f <\/span><\/p>\n

1. \u91cd\u5b9a\u5411（sendRedirect） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u76f4\u63a5\u8c03\u2f64 <\/span>response <\/span>\u2f45\u6cd5（\u63a8\u8350）：<\/span>\u4ee3\u7801\u5757 <\/span><\/p>\n

response.sendRedirect(<\/span>"http:\/\/www.scut.edu.cn"<\/span>); <\/span>\/\/ <\/span>\u53ef\u8de8\u57df <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u95f4\u63a5\u901a\u8fc7 <\/span>setStatus+setHeader <\/span>\u5b9e\u73b0： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

response.setStatus(HttpServletResponse.SC_MOVED_TEMPORARILY); <\/span>\/\/ 302<\/span>\u4e34\u65f6\u91cd\u5b9a <\/span><\/p>\n

\u5411 <\/span><\/p>\n

response.setHeader(<\/span>"Location"<\/span>, <\/span>"<\/span>\u2f6c\u6807<\/span>URL"<\/span>); <\/span><\/p>\n

2. \u8bf7\u6c42\u8f6c\u53d1（RequestDispatcher） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6b65\u9aa4：\u83b7\u53d6\u5bf9\u8c61 \u2192 \u8c03\u2f64 <\/span>forward <\/span>\u6216 <\/span>include <\/span>\u2f45\u6cd5 <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

\/\/ 1. <\/span>\u901a\u8fc7<\/span>request<\/span>\u83b7\u53d6<\/span>RequestDispatcher<\/span>\u5bf9\u8c61（\u8def\u5f84\u4e3a\u670d\u52a1\u5668\u5185\u90e8\u76f8\u5bf9\u8def\u5f84） <\/span><\/p>\n

RequestDispatcher rd <\/span>= request.getRequestDispatcher(<\/span>"\/servlet2"<\/span>); <\/span><\/p>\n

\/\/ 2. <\/span>\u8f6c\u53d1\u8bf7\u6c42（\u8bf7\u6c42\u4e0e\u54cd\u5e94\u5bf9\u8c61\u4f20\u9012\u7ed9\u2f6c\u6807\u8d44\u6e90） <\/span><\/p>\n

rd.forward(request, response); <\/span><\/p>\n

\/\/ <\/span>\u6216\u5305\u542b\u2f6c\u6807\u8d44\u6e90\u5185\u5bb9（\u5f53\u524d\u54cd\u5e94\u4e2d\u62fc\u63a5\u2f6c\u6807\u8d44\u6e90\u8f93\u51fa） <\/span><\/p>\n

rd.include(request, response); <\/span><\/p>\n

（\u4e09）\u6838\u2f3c\u533a\u522b（\u2fbc\u9891\u8003\u70b9） <\/span><\/p>\n

\u5bf9\u2f50\u7ef4\u5ea6 <\/span><\/p>\n

\u8bf7\u6c42\u8f6c\u53d1 <\/span><\/p>\n

（RequestDispatcher） <\/span><\/p>\n

\u91cd\u5b9a\u5411（sendRedirect） <\/span><\/p>\n

\u5ba2\u2f3e\u7aef\u8bf7\u6c42\u6b21\u6570 <\/span><\/p>\n

1\u6b21（\u670d\u52a1\u5668\u5185\u90e8\u8f6c\u53d1） <\/span><\/p>\n

2\u6b21（\u5ba2\u2f3e\u7aef\u91cd\u65b0\u53d1\u8d77\u8bf7\u6c42） <\/span><\/p>\n

URL\u5730\u5740\u680f <\/span><\/p>\n

\u663e\u2f70\u521d\u59cb\u8bf7\u6c42URL（\u4e0d\u6539\u53d8） <\/span><\/p>\n

\u663e\u2f70\u2f6c\u6807URL（\u6539\u53d8） <\/span><\/p>\n

\u6570\u636e\u5171\u4eab <\/span><\/p>\n

\u53ef\u901a\u8fc7 <\/span><\/p>\n

request.setAttribute( <\/span><\/p>\n

) <\/span>\u5171\u4eab <\/span><\/p>\n

\u4e24\u6b21\u8bf7\u6c42\u72ec\u2f74，\u2f46\u6cd5\u5171\u4eab <\/span><\/p>\n

request\u6570\u636e <\/span><\/p>\n

\u9002\u2f64\u8303\u56f4 <\/span><\/p>\n

\u4ec5\u670d\u52a1\u5668\u5185\u90e8\u8d44\u6e90（\u540cWeb\u5e94 <\/span><\/p>\n

\u2f64） <\/span><\/p>\n

\u53ef\u8de8\u57df\u3001\u8de8Web\u5e94\u2f64 <\/span><\/p>\n

\u2f45\u6cd5\u8c03\u2f64\u8005 <\/span><\/p>\n

request <\/span>\u5bf9\u8c61 <\/span><\/p>\n

response <\/span>\u5bf9\u8c61 <\/span><\/p>\n

\u8d44\u6e90\u8bbf\u95ee\u2f45\u5f0f <\/span><\/p>\n

\u670d\u52a1\u5668\u76f4\u63a5\u8bbf\u95ee\u2f6c\u6807\u8d44\u6e90 <\/span><\/p>\n

\u5ba2\u2f3e\u7aef\u91cd\u65b0\u8bbf\u95ee\u2f6c\u6807\u8d44\u6e90 <\/span><\/p>\n

1 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6<\/span>（\u56db）\u5b9e\u6218\u573a\u666f <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u91cd\u5b9a\u5411：\u767b\u5f55\u6210\u529f\u540e\u8df3\u8f6c\u5230\u4e3b\u2eda（\u9700\u6539\u53d8URL，\u907f\u514d\u5237\u65b0\u91cd\u590d\u63d0\u4ea4）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8bf7\u6c42\u8f6c\u53d1：\u767b\u5f55\u9a8c\u8bc1\u5931\u8d25\u540e，\u8f6c\u53d1\u56de\u767b\u5f55\u2eda\u5e76\u4fdd\u7559\u9519\u8bef\u4fe1\u606f <\/span><\/p>\n

（ <\/span>request.setAttribute("error", "<\/span>\u5bc6\u7801\u9519\u8bef<\/span>") <\/span>）\u3002 <\/span><\/p>\n

\u4e09\u3001\u6a21\u5757\u2f06：\u8fc7\u6ee4\u5668（Filter） <\/span><\/p>\n

（\u2f00）\u6838\u2f3c\u5b9a\u4e49 <\/span><\/p>\n

Filter\u662fServlet\u6280\u672f\u7684\u62e6\u622a\u5668，\u2f64\u4e8e\u9884\u5904\u7406\u8bf7\u6c42（\u5982\u6743\u9650\u6821\u9a8c\u3001\u654f\u611f\u8bcd\u8fc7\u6ee4）\u548c\u540e\u5904\u7406\u54cd\u5e94（\u5982\u6570\u636e\u538b <\/span><\/p>\n

\u7f29\u3001\u5b57\u7b26\u7f16\u7801\u8bbe\u7f6e），\u4e0d\u76f4\u63a5\u2f63\u6210\u54cd\u5e94，\u4ec5\u5bf9\u8bf7\u6c42\/\u54cd\u5e94\u8fdb\u2f8f\u4fee\u6539\u6216\u62e6\u622a\u3002 <\/span><\/p>\n

（\u2f06）\u6838\u2f3c\u7279\u70b9 <\/span><\/p>\n

1. <\/span>\u62e6\u622a\u8303\u56f4：\u53ef\u5173\u8054Servlet\u3001JSP\u3001HTML，\u2f40\u6301URL\u6a21\u5f0f\u5339\u914d（\u5982 <\/span>\/* <\/span>\u62e6\u622a\u6240\u6709\u8bf7\u6c42）\u3002 <\/span><\/p>\n

2. <\/span>\u4e32\u8054\u6548\u5e94：\u591a\u4e2aFilter\u53ef\u6309\u914d\u7f6e\u987a\u5e8f\u5f62\u6210\u8fc7\u6ee4\u94fe，\u4f9d\u6b21\u5904\u7406\u8bf7\u6c42\/\u54cd\u5e94\u3002 <\/span><\/p>\n

3. <\/span>\u534f\u8bae\u2f46\u5173：\u57fa\u4e8e <\/span>ServletRequest <\/span>\u548c <\/span>ServletResponse <\/span>，\u4e0d\u4f9d\u8d56HTTP\u534f\u8bae\u3002 <\/span><\/p>\n

（\u4e09）\u2f63\u547d\u5468\u671f（\u2fbc\u9891\u8003\u70b9） <\/span><\/p>\n

1. <\/span>\u52a0\u8f7d\u4e0e\u5b9e\u4f8b\u5316：Web\u5bb9\u5668\u542f\u52a8\u65f6，\u6309 <\/span>web.xml <\/span>\u4e2d <\/span>filter <\/span>\u58f0\u660e\u987a\u5e8f\u5b9e\u4f8b\u5316（\u6bcf\u4e2aFilter\u4ec5\u2f00\u4e2a\u5b9e <\/span><\/p>\n

\u4f8b）\u3002 <\/span><\/p>\n

2. <\/span>\u521d\u59cb\u5316（init）：\u5bb9\u5668\u8c03\u2f64 <\/span>init(FilterConfig) <\/span>，\u8bfb\u53d6\u521d\u59cb\u5316\u53c2\u6570，\u4ec5\u6267\u2f8f\u2f00\u6b21\u3002 <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

public void <\/span>init<\/span>(FilterConfig config) <\/span>throws <\/span>ServletException { <\/span><\/p>\n

String encoding <\/span>= config.getInitParameter(<\/span>"encoding"<\/span>); <\/span>\/\/ <\/span>\u83b7\u53d6\u914d\u7f6e\u53c2\u6570 <\/span><\/p>\n

} <\/span><\/p>\n

3. <\/span>\u62e6\u622a\u5904\u7406（doFilter）：\u5ba2\u2f3e\u7aef\u8bf7\u6c42\u5339\u914dURL\u65f6\u89e6\u53d1，\u6838\u2f3c\u2f45\u6cd5（\u5fc5\u987b\u8c03\u2f64 <\/span>FilterChain <\/span>\u4f20\u9012 <\/span><\/p>\n

\u8bf7\u6c42）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

public void <\/span>doFilter<\/span>(ServletRequest req, ServletResponse resp, FilterChain <\/span><\/p>\n

chain) <\/span><\/p>\n

throws <\/span>IOException, ServletException { <\/span><\/p>\n

\/\/ 1. <\/span>\u8bf7\u6c42\u9884\u5904\u7406（\u5982\u8bbe\u7f6e\u5b57\u7b26\u7f16\u7801） <\/span><\/p>\n

req.setCharacterEncoding(<\/span>"UTF-8"<\/span>); <\/span><\/p>\n

\/\/ 2. <\/span>\u4f20\u9012\u8bf7\u6c42\u5230\u4e0b\u2f00\u4e2a<\/span>Filter<\/span>\u6216\u2f6c\u6807\u8d44\u6e90（\u4e0d\u53ef\u6216\u7f3a） <\/span><\/p>\n

chain.doFilter(req, resp); <\/span><\/p>\n

\/\/ 3. <\/span>\u54cd\u5e94\u540e\u5904\u7406（\u5982\u538b\u7f29\u54cd\u5e94\u6570\u636e） <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7<\/span>} <\/span><\/p>\n

4. <\/span>\u9500\u6bc1（destroy）：Web\u5bb9\u5668\u5173\u95ed\u6216Web\u5e94\u2f64\u5378\u8f7d\u65f6\u8c03\u2f64，\u91ca\u653e\u8d44\u6e90（\u4ec5\u6267\u2f8f\u2f00\u6b21）\u3002 <\/span><\/p>\n

（\u56db）\u914d\u7f6e\u2f45\u5f0f（\u4e24\u79cd\u4efb\u9009） <\/span><\/p>\n

1. \u6ce8\u89e3\u914d\u7f6e（Servlet 3.0+） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

@WebFilter(filterName = "LogFilter", urlPatterns = "\/*") <\/span>\/\/ <\/span>\u62e6\u622a\u6240\u6709\u8bf7\u6c42 <\/span><\/p>\n

public class <\/span>LogFilter <\/span>implements <\/span>Filter <\/span>{ <\/span><\/p>\n

\/\/ <\/span>\u5b9e\u73b0<\/span>init<\/span>\u3001<\/span>doFilter<\/span>\u3001<\/span>destroy<\/span>\u2f45\u6cd5 <\/span><\/p>\n

} <\/span><\/p>\n

2. web.xml\u914d\u7f6e（\u517c\u5bb9\u6240\u6709\u7248\u672c） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<!– 1. <\/span>\u58f0\u660e<\/span>Filter –> <\/span><\/p>\n

<<\/span>filter<\/span>> <\/span><\/p>\n

<<\/span>filter-name<\/span>>AuthorityFilter<\/<\/span>filter-name<\/span>> <\/span><\/p>\n

<<\/span>filter-class<\/span>>com.mucfc.AuthorityFilter<\/<\/span>filter-class<\/span>> <\/span><\/p>\n

<!– <\/span>\u53ef\u9009：\u521d\u59cb\u5316\u53c2\u6570 <\/span>–> <\/span><\/p>\n

<<\/span>init-param<\/span>> <\/span><\/p>\n

<<\/span>param-name<\/span>>encoding<\/<\/span>param-name<\/span>> <\/span><\/p>\n

<<\/span>param-value<\/span>>UTF-8<\/<\/span>param-value<\/span>> <\/span><\/p>\n

<\/<\/span>init-param<\/span>> <\/span><\/p>\n

<\/<\/span>filter<\/span>> <\/span><\/p>\n

<!– 2. <\/span>\u6620\u5c04<\/span>Filter<\/span>（\u6307\u5b9a\u62e6\u622a\u89c4\u5219） <\/span>–> <\/span><\/p>\n

<<\/span>filter-mapping<\/span>> <\/span><\/p>\n

<<\/span>filter-name<\/span>>AuthorityFilter<\/<\/span>filter-name<\/span>> <\/span><\/p>\n

<<\/span>url-pattern<\/span>>\/*<\/<\/span>url-pattern<\/span>> <\/span><!– <\/span>\u62e6\u622a\u6240\u6709\u8bf7\u6c42 <\/span>–> <\/span><\/p>\n

<!– <\/span>\u53ef\u9009：\u6307\u5b9a\u62e6\u622a\u2f45\u5f0f（\u9ed8\u8ba4<\/span>REQUEST<\/span>） <\/span>–> <\/span><\/p>\n

<<\/span>dispatcher<\/span>>REQUEST<\/<\/span>dispatcher<\/span>> <\/span><!– <\/span>\u76f4\u63a5\u8bf7\u6c42\u89e6\u53d1 <\/span>–> <\/span><\/p>\n

<<\/span>dispatcher<\/span>>FORWARD<\/<\/span>dispatcher<\/span>> <\/span><!– <\/span>\u8f6c\u53d1\u8bf7\u6c42\u89e6\u53d1 <\/span>–> <\/span><\/p>\n

<\/<\/span>filter-mapping<\/span>> <\/span><\/p>\n

（\u4e94）\u5e38\u2ec5\u5e94\u2f64\u573a\u666f <\/span><\/p>\n

1. <\/span>\u2f9d\u4efd\u9a8c\u8bc1\u8fc7\u6ee4\u5668：\u672a\u767b\u5f55\u2f64\u2f3e\u62e6\u622a\u5230\u767b\u5f55\u2eda\u3002 <\/span><\/p>\n

2. <\/span>\u6570\u636e\u538b\u7f29\u8fc7\u6ee4\u5668：\u538b\u7f29\u54cd\u5e94\u5185\u5bb9，\u63d0\u5347\u4f20\u8f93\u6548\u7387\u3002 <\/span><\/p>\n

3. <\/span>\u654f\u611f\u8bcd\u8fc7\u6ee4：\u66ff\u6362\u8bf7\u6c42\u53c2\u6570\u4e2d\u7684\u654f\u611f\u8bcd\u6c47\u3002 <\/span><\/p>\n

8 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18<\/span>4. <\/span>\u5b57\u7b26\u7f16\u7801\u8fc7\u6ee4\u5668：\u7edf\u2f00\u8bbe\u7f6e\u8bf7\u6c42\/\u54cd\u5e94\u7f16\u7801\u4e3aUTF-8\u3002 <\/span><\/p>\n

（\u516d）\u5173\u952e\u6ce8\u610f\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

FilterChain.doFilter() <\/span>\u5fc5\u987b\u8c03\u2f64，\u5426\u5219\u8bf7\u6c42\u4f1a\u88ab\u62e6\u622a\u5728\u5f53\u524dFilter，\u2f46\u6cd5\u5230\u8fbe\u2f6c\u6807\u8d44\u6e90\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u591a\u4e2aFilter\u7684\u6267\u2f8f\u987a\u5e8f\u7531 <\/span>web.xml <\/span>\u4e2d <\/span>filter-mapping <\/span>\u7684\u58f0\u660e\u987a\u5e8f\u51b3\u5b9a（\u6ce8\u89e3\u914d\u7f6e\u987a\u5e8f\u4e0d\u786e <\/span><\/p>\n

\u5b9a）\u3002 <\/span><\/p>\n

\u56db\u3001\u6a21\u5757\u4e09：\u76d1\u542c\u5668（Listener） <\/span><\/p>\n

（\u2f00）\u6838\u2f3c\u5b9a\u4e49 <\/span><\/p>\n

Listener\u662f\u5b9e\u73b0\u7279\u5b9a\u63a5\u2f1d\u7684Java\u7a0b\u5e8f，\u2f64\u4e8e\u76d1\u542cWeb\u5e94\u2f64\u4e2d\u5bf9\u8c61\u7684\u72b6\u6001\u53d8\u5316（\u5982Session\u521b\u5efa\/\u9500\u6bc1\u3001 <\/span><\/p>\n

\u5c5e\u6027\u589e\u51cf），\u5f53\u4e8b\u4ef6\u89e6\u53d1\u65f6\u2f83\u52a8\u6267\u2f8f\u5bf9\u5e94\u2f45\u6cd5\u3002 <\/span><\/p>\n

（\u2f06）\u5206\u7c7b（\u2fbc\u9891\u8003\u70b9） <\/span><\/p>\n

\u6309\u76d1\u542c\u5bf9\u8c61\u5206\u4e3a\u4e24\u7c7b，\u51716\u4e2a\u6838\u2f3c\u63a5\u2f1d： <\/span><\/p>\n

\u76d1\u542c\u7c7b\u578b <\/span><\/p>\n

\u6838\u2f3c\u63a5\u2f1d <\/span><\/p>\n

\u76d1\u542c\u4e8b\u4ef6 <\/span><\/p>\n

\u2f63\u547d\u5468\u671f\u76d1\u542c <\/span><\/p>\n

ServletContextListener <\/span><\/p>\n

Web\u5e94\u2f64\u542f\u52a8\/\u5173\u95ed <\/span><\/p>\n

HttpSessionListener <\/span><\/p>\n

Session\u521b\u5efa\/\u9500\u6bc1 <\/span><\/p>\n

ServletRequestListener <\/span><\/p>\n

\u8bf7\u6c42\u521d\u59cb\u5316\/\u9500\u6bc1 <\/span><\/p>\n

\u5c5e\u6027\u53d8\u5316\u76d1\u542c <\/span><\/p>\n

ServletContextAttributeList <\/span><\/p>\n

ener <\/span><\/p>\n

application\u57df\u5c5e\u6027\u589e\/\u5220\/\u6539 <\/span><\/p>\n

HttpSessionAttributeListen <\/span><\/p>\n

er <\/span><\/p>\n

session\u57df\u5c5e\u6027\u589e\/\u5220\/\u6539 <\/span><\/p>\n

ServletRequestAttributeList <\/span><\/p>\n

ener <\/span><\/p>\n

request\u57df\u5c5e\u6027\u589e\/\u5220\/\u6539 <\/span><\/p>\n

（\u4e09）\u2f63\u547d\u5468\u671f <\/span><\/p>\n

1. <\/span>\u5b9e\u4f8b\u5316：Web\u5bb9\u5668\u542f\u52a8\u65f6，\u8bfb\u53d6 <\/span>web.xml <\/span>\u4e2d <\/span>listener <\/span>\u914d\u7f6e，\u5b9e\u4f8b\u5316\u76d1\u542c\u5668（\u4ec5\u2f00\u6b21）\u3002 <\/span><\/p>\n

2. <\/span>\u4e8b\u4ef6\u89e6\u53d1：\u5f53\u76d1\u542c\u5bf9\u8c61\u53d1\u2f63\u5bf9\u5e94\u4e8b\u4ef6\u65f6，\u8c03\u2f64\u63a5\u2f1d\u2f45\u6cd5（\u5982 <\/span>sessionCreated() <\/span>）\u3002 <\/span><\/p>\n

3. <\/span>\u9500\u6bc1：Web\u5bb9\u5668\u5173\u95ed\u6216Web\u5e94\u2f64\u5378\u8f7d\u65f6，\u9500\u6bc1\u76d1\u542c\u5668\u5b9e\u4f8b\u3002 <\/span><\/p>\n

（\u56db）\u5b9e\u73b0\u6b65\u9aa4 <\/span><\/p>\n

1. <\/span>\u5b9a\u4e49\u76d1\u542c\u5668\u7c7b：\u5b9e\u73b0\u5bf9\u5e94\u63a5\u2f1d，\u91cd\u5199\u4e8b\u4ef6\u2f45\u6cd5\u3002<\/span>\u4ee3\u7801\u5757 <\/span>\/\/ <\/span>\u2f70\u4f8b：\u76d1\u542c<\/span>Web<\/span>\u5e94\u2f64\u542f\u52a8<\/span>\/<\/span>\u5173\u95ed（<\/span>ServletContextListener<\/span>） <\/span><\/p>\n

public class <\/span>ServletContextListenerImpl <\/span>implements <\/span>ServletContextListener <\/span>{ <\/span><\/p>\n

\/\/ <\/span>\u5e94\u2f64\u542f\u52a8\u65f6\u89e6\u53d1 <\/span><\/p>\n

@Override <\/span><\/p>\n

public void <\/span>contextInitialized<\/span>(ServletContextEvent sce) { <\/span><\/p>\n

System.out.println(<\/span>"Web<\/span>\u5e94\u2f64\u542f\u52a8\u6210\u529f！<\/span>"<\/span>); <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ <\/span>\u5e94\u2f64\u5173\u95ed\u65f6\u89e6\u53d1 <\/span><\/p>\n

@Override <\/span><\/p>\n

public void <\/span>contextDestroyed<\/span>(ServletContextEvent sce) { <\/span><\/p>\n

System.out.println(<\/span>"Web<\/span>\u5e94\u2f64\u5173\u95ed！<\/span>"<\/span>); <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

2. <\/span>\u914d\u7f6e\u76d1\u542c\u5668： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

web.xml\u914d\u7f6e（\u63a8\u8350）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<<\/span>listener<\/span>> <\/span><\/p>\n

<<\/span>listener-class<\/span>>com.mucfc.ServletContextListenerImpl<\/<\/span>listener-class<\/span>> <\/span><\/p>\n

<\/<\/span>listener<\/span>> <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6ce8\u89e3\u914d\u7f6e（Servlet 3.0+）： <\/span>@WebListener <\/span>（\u76f4\u63a5\u52a0\u5728\u76d1\u542c\u5668\u7c7b\u4e0a）\u3002 <\/span><\/p>\n

（\u4e94）\u5178\u578b\u5b9e\u6218\u6848\u4f8b <\/span><\/p>\n

\u7edf\u8ba1\u5728\u7ebf\u2f08\u6570（\u7efc\u5408\u8003\u70b9） <\/span><\/p>\n

\u9700\u5b9e\u73b03\u4e2a\u63a5\u2f1d： <\/span>HttpSessionListener <\/span>（\u76d1\u542cSession\u521b\u5efa\/\u9500\u6bc1）\u3001 <\/span><\/p>\n

ServletContextListener <\/span>（\u521d\u59cb\u5316\u5728\u7ebf\u2f08\u6570）\u3001 <\/span>ServletContextAttributeListener <\/span><\/p>\n

（\u76d1\u542c\u5728\u7ebf\u2f08\u6570\u53d8\u5316）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

public class <\/span>OnlineUserListener <\/span>implements <\/span>HttpSessionListener<\/span>, <\/span><\/p>\n

ServletContextListener { <\/span><\/p>\n

private <\/span>long onlineCount <\/span>= <\/span>0<\/span>; <\/span><\/p>\n

\/\/ <\/span>\u5e94\u2f64\u542f\u52a8\u65f6\u521d\u59cb\u5316\u5728\u7ebf\u2f08\u6570\u4e3a<\/span>0 <\/span><\/p>\n

@Override <\/span><\/p>\n

public void <\/span>contextInitialized<\/span>(ServletContextEvent sce) { <\/span><\/p>\n

sce.getServletContext().setAttribute(<\/span>"onlineCount"<\/span>, <\/span>0<\/span>); <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ Session<\/span>\u521b\u5efa（\u2f64\u2f3e\u4e0a\u7ebf），\u2f08\u6570<\/span>+1 <\/span><\/p>\n

@Override <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9<\/span>public void <\/span>sessionCreated<\/span>(HttpSessionEvent se) { <\/span><\/p>\n

ServletContext context <\/span>= se.getSession().getServletContext(); <\/span><\/p>\n

onlineCount = (Long) context.getAttribute(<\/span>"onlineCount"<\/span>) + <\/span>1<\/span>; <\/span><\/p>\n

context.setAttribute(<\/span>"onlineCount"<\/span>, onlineCount); <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ Session<\/span>\u9500\u6bc1（\u2f64\u2f3e\u4e0b\u7ebf），\u2f08\u6570<\/span>-1 <\/span><\/p>\n

@Override <\/span><\/p>\n

public void <\/span>sessionDestroyed<\/span>(HttpSessionEvent se) { <\/span><\/p>\n

\/\/ <\/span>\u903b\u8f91\u7c7b\u4f3c，\u2f08\u6570\u51cf<\/span>1 <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

JSP\u2eda\u2faf\u5c55\u2f70： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

\u5728\u7ebf\u2f08\u6570：<\/span><h1><%= request.getServletContext().getAttribute(<\/span>"onlineCount"<\/span>) %> <\/span><\/p>\n

<\/h1> <\/span><\/p>\n

\u4e94\u3001\u2fbc\u9891\u8003\u70b9\u4e0e\u6613\u9519\u70b9\u603b\u7ed3 <\/span><\/p>\n

（\u2f00）\u5fc5\u80cc\u8003\u70b9 <\/span><\/p>\n

1. <\/span>\u8bf7\u6c42\u8f6c\u53d1\u4e0e\u91cd\u5b9a\u5411\u76845\u4e2a\u6838\u2f3c\u533a\u522b（URL\u3001\u8bf7\u6c42\u6b21\u6570\u3001\u6570\u636e\u5171\u4eab\u7b49）\u3002 <\/span><\/p>\n

2. <\/span>Filter\u7684\u2f63\u547d\u5468\u671f（init\u2192doFilter\u2192destroy）\u53ca <\/span>FilterChain <\/span>\u7684\u4f5c\u2f64\u3002 <\/span><\/p>\n

3. <\/span>Listener\u7684\u5206\u7c7b（6\u4e2a\u63a5\u2f1d）\u53ca\u5178\u578b\u5e94\u2f64（\u5728\u7ebf\u2f08\u6570\u7edf\u8ba1）\u3002 <\/span><\/p>\n

4. <\/span>\u4e09\u79cd\u6280\u672f\u7684\u914d\u7f6e\u2f45\u5f0f（\u6ce8\u89e3+web.xml）\u3002 <\/span><\/p>\n

（\u2f06）\u6613\u9519\u70b9 <\/span><\/p>\n

1. <\/span>\u6df7\u6dc6 <\/span>RequestDispatcher <\/span>\u7684 <\/span>forward <\/span>\u548c <\/span>include <\/span>： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

forward <\/span>：\u2f6c\u6807\u8d44\u6e90\u66ff\u4ee3\u5f53\u524d\u8d44\u6e90\u8f93\u51fa，\u5f53\u524d\u8d44\u6e90\u540e\u7eed\u4ee3\u7801\u4e0d\u6267\u2f8f\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

include <\/span>：\u2f6c\u6807\u8d44\u6e90\u8f93\u51fa\u62fc\u63a5\u5728\u5f53\u524d\u8d44\u6e90\u4e4b\u540e，\u5f53\u524d\u8d44\u6e90\u540e\u7eed\u4ee3\u7801\u4ecd\u6267\u2f8f\u3002 <\/span><\/p>\n

2. <\/span>\u91cd\u5b9a\u5411\u65f6\u4f7f\u2f64 <\/span>request.setAttribute() <\/span>\u4f20\u9012\u6570\u636e（\u9519\u8bef，\u4e24\u6b21\u8bf7\u6c42\u72ec\u2f74，\u9700\u2f64Session\u6216\u6570 <\/span><\/p>\n

\u636e\u5e93）\u3002 <\/span><\/p>\n

3. <\/span>Filter\u4e2d\u5fd8\u8bb0\u8c03\u2f64 <\/span>chain.doFilter() <\/span>（\u8bf7\u6c42\u88ab\u62e6\u622a，\u2f46\u6cd5\u5230\u8fbe\u2f6c\u6807\u8d44\u6e90）\u3002 <\/span><\/p>\n

4. <\/span>Listener\u672a\u914d\u7f6e <\/span>web.xml <\/span>\u6216\u6ce8\u89e3（\u76d1\u542c\u5668\u2f46\u6cd5\u2f63\u6548）\u3002 <\/span><\/p>\n

\u516d\u3001\u590d\u4e60\u5efa\u8bae <\/span><\/p>\n

1. <\/span>\u4f18\u5148\u638c\u63e1\u201c\u533a\u522b\u7c7b\u201d\u8003\u70b9（\u8f6c\u53d1vs\u91cd\u5b9a\u5411），\u53ef\u901a\u8fc7\u753b\u56fe\u68b3\u7406\u6d41\u7a0b\u3002 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

1<\/span>2. <\/span>\u52a8\u2f3f\u5b9e\u73b03\u4e2a\u5b9e\u6218\u6848\u4f8b：\u767b\u5f55\u9a8c\u8bc1Filter\u3001\u5728\u7ebf\u2f08\u6570\u7edf\u8ba1Listener\u3001\u8f6c\u53d1\/\u91cd\u5b9a\u5411\u5bf9\u2f50Demo\u3002 <\/span><\/p>\n

3. <\/span>\u719f\u8bb0\u6838\u2f3cAPI（\u5982 <\/span>request.getRequestDispatcher() <\/span>\u3001 <\/span>Filter.doFilter() <\/span>\u3001 <\/span><\/p>\n

ServletContextListener <\/span>）\u3002 <\/span><\/p>\n

4. <\/span>\u6ce8\u610f\u914d\u7f6e\u2f42\u4ef6\u8bed\u6cd5（ <\/span>web.xml <\/span>\u4e2d <\/span>filter-mapping <\/span>\u3001 <\/span>listener <\/span>\u7684\u8282\u70b9\u987a\u5e8f）\u3002 <\/span><\/p>\n

\u795d\u5404\u4f4d\u540c\u5b66\u8003\u8bd5\u987a\u5229！\u5982\u6709\u7591\u95ee\u53ef\u901a\u8fc7\u8bfe\u7a0bQQ\u7fa4\u4ea4\u6d41\u3002 <\/span><\/p>\n

Ch4 Cookie\u4e0eSession <\/span><\/p>\n

\u2f00\u3001\u6838\u2f3c\u6982\u5ff5\u68b3\u7406 <\/span><\/p>\n

1. \u4f1a\u8bdd（Session）\u4e0e\u4f1a\u8bdd\u8ddf\u8e2a <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f1a\u8bdd\u5b9a\u4e49：\u2f64\u2f3e\u6253\u5f00\u6d4f\u89c8\u5668\u2192\u8bbf\u95ee\u670d\u52a1\u5668\u591a\u4e2a\u8d44\u6e90\u2192\u5173\u95ed\u6d4f\u89c8\u5668\u7684\u6574\u4e2a\u8fc7\u7a0b，\u79f0\u4e3a\u2f00\u6b21\u4f1a\u8bdd（\u5982\u767b <\/span><\/p>\n

\u5f55\u2f79\u7ad9\u2192\u6d4f\u89c8\u5546\u54c1\u2192\u9000\u51fa\u6d4f\u89c8\u5668）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

HTTP\u534f\u8bae\u7279\u70b9：HTTP\u662f\u201c\u2f46\u72b6\u6001\u201d\u534f\u8bae，\u4e0d\u4fdd\u5b58\u8fde\u63a5\u4ea4\u4e92\u4fe1\u606f，\u2f00\u6b21\u54cd\u5e94\u540e\u8fde\u63a5\u65ad\u5f00，\u670d\u52a1\u5668\u2f46 <\/span><\/p>\n

\u6cd5\u8bc6\u522b\u540e\u7eed\u8bf7\u6c42\u662f\u5426\u6765\u2f83\u540c\u2f00\u2f64\u2f3e\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f1a\u8bdd\u8ddf\u8e2a\u6280\u672f（\u89e3\u51b3HTTP\u2f46\u72b6\u6001\u95ee\u9898）： <\/span><\/p>\n

a. <\/span>URL\u91cd\u5199：URL\u7ed3\u5c3e\u9644\u52a0\u4f1a\u8bddID（\u5982 <\/span>index.jsp;jsessionid=xxx <\/span>）\u3002 <\/span><\/p>\n

b. <\/span>\u9690\u85cf\u8868\u5355\u57df：\u4f1a\u8bddID\u57cb\u2f0aHTML\u9690\u85cf\u57df，\u4e0d\u663e\u2f70\u5728\u2eda\u2faf\u3002 <\/span><\/p>\n

c. <\/span>Cookie：\u670d\u52a1\u5668\u53d1\u9001\u7ed9\u6d4f\u89c8\u5668\u7684\u7eaf\u2f42\u672c\u4fe1\u606f，\u5ba2\u2f3e\u7aef\u5b58\u50a8\u5e76\u968f\u540e\u7eed\u8bf7\u6c42\u5e26\u56de\u3002 <\/span><\/p>\n

d. <\/span>Session（Java\u9886\u57df\u7279\u6709）：\u670d\u52a1\u5668\u4e3a\u6bcf\u4e2a\u2f64\u2f3e\u521b\u5efa\u5185\u5b58\u7ea7\u4f1a\u8bdd\u5bf9\u8c61，\u901a\u8fc7SessionID\u5173\u8054\u5ba2\u2f3e <\/span><\/p>\n

\u7aef\u3002 <\/span><\/p>\n

\u2f06\u3001Cookie\u6280\u672f\u8be6\u89e3 <\/span><\/p>\n

1. \u5b9a\u4e49\u4e0e\u6838\u2f3c\u7279\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9a\u4e49：\u670d\u52a1\u5668\u53d1\u9001\u7ed9\u6d4f\u89c8\u5668\u7684\u4f53\u79ef\u5f88\u2f29\u7684\u7eaf\u2f42\u672c\u4fe1\u606f，\u5ba2\u2f3e\u7aef\u4e0b\u6b21\u8bbf\u95ee\u540c\u2f00\u670d\u52a1\u5668\u65f6\u2f83\u52a8\u9644\u5e26，\u2f64 <\/span><\/p>\n

\u4e8e\u6807\u8bc6\u2f64\u2f3e\u3001\u8bb0\u5f55\u72b6\u6001\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u7279\u70b9： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5b58\u50a8\u4f4d\u7f6e：\u5ba2\u2f3e\u7aef（\u6d4f\u89c8\u5668\/\u786c\u76d8）\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6570\u636e\u7c7b\u578b：\u4ec5\u2f40\u6301\u2fae\u4e2d\u2f42\u5b57\u7b26\u4e32\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6570\u91cf\u9650\u5236：\u6d4f\u89c8\u5668\u6700\u591a\u5b58300\u4e2a，\u6bcf\u4e2a\u7ad9\u70b9\u6700\u591a20\u4e2a\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u2f24\u2f29\u9650\u5236：\u5355\u4e2aCookie\u22644KB\u3002 <\/span><\/p>\n

2. \u2f2f\u4f5c\u539f\u7406<\/span>1. <\/span>\u7b2c\u2f00\u6b21\u8bf7\u6c42：\u5ba2\u2f3e\u7aef\u2192\u670d\u52a1\u5668，\u670d\u52a1\u5668\u521b\u5efaCookie\u5bf9\u8c61（\u5b58\u50a8\u4f1a\u8bdd\u6570\u636e，\u5982\u2f64\u2f3eID）\u2192\u53d1\u9001\u7ed9\u5ba2\u2f3e <\/span><\/p>\n

\u7aef\u3002 <\/span><\/p>\n

2. <\/span>\u5ba2\u2f3e\u7aef\u5b58\u50a8Cookie（\u5185\u5b58\/\u786c\u76d8，\u53d6\u51b3\u4e8e\u6709\u6548\u65f6\u95f4）\u3002 <\/span><\/p>\n

3. <\/span>\u540e\u7eed\u8bf7\u6c42：\u5ba2\u2f3e\u7aef\u2f83\u52a8\u5c06\u8be5\u670d\u52a1\u5668\u7684Cookie\u9644\u5e26\u5728\u8bf7\u6c42\u4e2d\u2192\u670d\u52a1\u5668\u8bfb\u53d6Cookie，\u8bc6\u522b\u2f64\u2f3e\u3002 <\/span><\/p>\n

3. \u6838\u2f3c\u2f45\u6cd5（Servlet\u73af\u5883） <\/span><\/p>\n

\u64cd\u4f5c <\/span><\/p>\n

\u5173\u952e\u4ee3\u7801 <\/span><\/p>\n

\u521b\u5efaCookie <\/span><\/p>\n

Cookie cookie = new Cookie("name", "value"); <\/span>（name\/value\u5747\u4e3a\u2fae <\/span><\/p>\n

\u4e2d\u2f42） <\/span><\/p>\n

\u8bbe\u7f6e\u6709\u6548\u8def\u5f84 <\/span><\/p>\n

cookie.setPath("\/"); <\/span>（\u4ec5\u8bbf\u95ee\u8be5\u8def\u5f84\u65f6，\u6d4f\u89c8\u5668\u624d\u53d1\u9001Cookie） <\/span><\/p>\n

\u8bbe\u7f6e\u6709\u6548\u65f6\u95f4 <\/span><\/p>\n

cookie.setMaxAge(int expiry) <\/span>： <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6b63\u6574\u6570：\u5b58\u786c\u76d8，\u5355\u4f4d\u79d2（\u59823600=1\u2f29\u65f6） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8d1f\u6574\u6570：\u5b58\u5185\u5b58，\u6d4f\u89c8\u5668\u5173\u95ed\u5373\u6d88\u5931<br>- 0：\u5220\u9664\u540c\u540dCookie <\/span><\/p>\n

\u53d1\u9001\u7ed9\u5ba2\u2f3e\u7aef <\/span><\/p>\n

response.addCookie(cookie); <\/span><\/p>\n

\u8bfb\u53d6Cookie <\/span><\/p>\n

Cookie[] cookies = request.getCookies(); <\/span>（\u904d\u5386\u6570\u7ec4\u67e5\u627e\u2f6c\u6807 <\/span><\/p>\n

Cookie） <\/span><\/p>\n

\u4fee\u6539Cookie <\/span><\/p>\n

\u65b0\u5efa\u540c\u540d\u3001\u540c\u8def\u5f84\u7684Cookie，\u91cd\u65b0\u8bbe\u7f6evalue\u5e76\u53d1\u9001（\u8986\u76d6\u539fCookie） <\/span><\/p>\n

\u5220\u9664Cookie <\/span><\/p>\n

\u65b0\u5efa\u540c\u540d\u3001\u540c\u8def\u5f84\u7684Cookie， <\/span>setMaxAge(0) <\/span>，\u5e76\u53d1\u9001\u7ed9\u5ba2\u2f3e\u7aef <\/span><\/p>\n

4. \u5178\u578b\u5b9e\u4f8b：\u8bb0\u5f55\u4e0a\u6b21\u8bbf\u95ee\u65f6\u95f4 <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

protected void <\/span>doGet<\/span>(HttpServletRequest request, HttpServletResponse response) <\/span><\/p>\n

throws <\/span>ServletException, IOException { <\/span><\/p>\n

response.setContentType(<\/span>"text\/html;charset=utf-8"<\/span>); <\/span><\/p>\n

SimpleDateFormat sdf <\/span>= <\/span>new <\/span>SimpleDateFormat<\/span>(<\/span>"yyyy-MM-dd HH:mm:ss"<\/span>); <\/span><\/p>\n

String currentTime <\/span>= sdf.format(<\/span>new <\/span>Date<\/span>()); <\/span><\/p>\n

Cookie[] cookies = request.getCookies(); <\/span><\/p>\n

if <\/span>(cookies == <\/span>null<\/span>) { <\/span>\/\/ <\/span>\u2fb8\u6b21\u8bbf\u95ee <\/span><\/p>\n

Cookie cookie <\/span>= <\/span>new <\/span>Cookie<\/span>(<\/span>"lastTime"<\/span>, currentTime); <\/span><\/p>\n

cookie.setMaxAge(<\/span>30<\/span>*<\/span>24<\/span>*<\/span>60<\/span>*<\/span>60<\/span>); <\/span>\/\/ <\/span>\u4fdd\u5b58<\/span>30<\/span>\u5929 <\/span><\/p>\n

response.addCookie(cookie); <\/span><\/p>\n

response.getWriter().write(<\/span>"<\/span>\u2fb8\u6b21\u8bbf\u95ee，\u5f53\u524d\u65f6\u95f4：<\/span>" <\/span>+ currentTime); <\/span><\/p>\n

} <\/span>else <\/span>{ <\/span>\/\/ <\/span>\u2fae\u2fb8\u6b21\u8bbf\u95ee <\/span><\/p>\n

for <\/span>(Cookie cookie : cookies) { <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13<\/span>if <\/span>(<\/span>"lastTime"<\/span>.equals(cookie.getName())) { <\/span><\/p>\n

String lastTime <\/span>= cookie.getValue(); <\/span><\/p>\n

response.getWriter().write(<\/span>"<\/span>\u4e0a\u6b21\u8bbf\u95ee\u65f6\u95f4：<\/span>" <\/span>+ lastTime + <\/span>"<\/span>，\u5f53\u524d\u65f6 <\/span><\/p>\n

\u95f4：<\/span>" <\/span>+ currentTime); <\/span><\/p>\n

cookie.setValue(currentTime); <\/span>\/\/ <\/span>\u66f4\u65b0\u65f6\u95f4 <\/span><\/p>\n

cookie.setMaxAge(<\/span>30<\/span>*<\/span>24<\/span>*<\/span>60<\/span>*<\/span>60<\/span>); <\/span><\/p>\n

response.addCookie(cookie); <\/span><\/p>\n

break<\/span>; <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

5. \u6ce8\u610f\u7ec6\u8282 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Cookie\u7531\u670d\u52a1\u5668\u521b\u5efa，\u5ba2\u2f3e\u7aef\u4ec5\u88ab\u52a8\u5b58\u50a8\u548c\u4f20\u9012\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u9ed8\u8ba4\u60c5\u51b5\u4e0b（\u672a\u8bbe\u7f6e <\/span>setMaxAge <\/span>），Cookie\u4e3a\u4f1a\u8bdd\u7ea7（\u5b58\u5185\u5b58，\u5173\u95ed\u6d4f\u89c8\u5668\u4e22\u5931）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f00\u4e2aCookie\u4ec5\u6807\u8bc6\u2f00\u79cd\u4fe1\u606f（name-value\u952e\u503c\u5bf9）\u3002 <\/span><\/p>\n

\u4e09\u3001Session\u6280\u672f\u8be6\u89e3 <\/span><\/p>\n

1. \u5b9a\u4e49\u4e0e\u6838\u2f3c\u7279\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9a\u4e49：\u670d\u52a1\u5668\u4e3a\u6bcf\u4e2a\u4f1a\u8bdd\u521b\u5efa\u7684\u5185\u5b58\u7ea7\u5bf9\u8c61，\u2f64\u4e8e\u5b58\u50a8\u2f64\u2f3e\u4f1a\u8bdd\u6570\u636e，\u662f\u5ba2\u2f3e\u7aef\u4e0e\u670d\u52a1\u5668\u95f4\u4fdd\u6301\u72b6 <\/span><\/p>\n

\u6001\u7684\u6838\u2f3c\u2f45\u6848\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u7279\u70b9： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5b58\u50a8\u4f4d\u7f6e：\u670d\u52a1\u5668\u7aef（\u5185\u5b58）\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6570\u636e\u7c7b\u578b：\u2f40\u6301\u4efb\u610fJava\u5bf9\u8c61（\u5b57\u7b26\u4e32\u3001\u96c6\u5408\u3001\u2f83\u5b9a\u4e49\u5bf9\u8c61\u7b49），\u53ef\u5b58\u4e2d\u2f42\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u2f24\u2f29\u9650\u5236：\u2f464KB\u9650\u5236，\u53d6\u51b3\u4e8e\u670d\u52a1\u5668\u5185\u5b58\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u4f9d\u8d56\u5173\u7cfb：\u4f9d\u8d56Cookie\u4f20\u9012SessionID（Cookie\u7981\u2f64\u5219\u9700URL\u91cd\u5199）\u3002 <\/span><\/p>\n

2. \u2f2f\u4f5c\u539f\u7406 <\/span><\/p>\n

1. <\/span>\u7b2c\u2f00\u6b21\u8bf7\u6c42：\u5ba2\u2f3e\u7aef\u2192\u670d\u52a1\u5668，\u670d\u52a1\u5668\u521b\u5efaSession\u5bf9\u8c61（\u2f63\u6210\u552f\u2f00SessionID）\u2192\u521b\u5efaCookie <\/span><\/p>\n

（name=JSESSIONID，value=SessionID）\u2192\u53d1\u9001\u7ed9\u5ba2\u2f3e\u7aef\u3002 <\/span><\/p>\n

2. <\/span>\u5ba2\u2f3e\u7aef\u5b58\u50a8\u8be5Cookie（\u9ed8\u8ba4\u4f1a\u8bdd\u7ea7）\u3002 <\/span><\/p>\n

3. <\/span>\u540e\u7eed\u8bf7\u6c42：\u5ba2\u2f3e\u7aef\u9644\u5e26JSESSIONID Cookie\u2192\u670d\u52a1\u5668\u901a\u8fc7SessionID\u627e\u5230\u5bf9\u5e94\u7684Session\u5bf9\u8c61\u2192\u8bfb <\/span><\/p>\n

\u53d6\/\u4fee\u6539\u4f1a\u8bdd\u6570\u636e\u3002 <\/span><\/p>\n

3. \u6838\u2f3c\u63a5\u2f1d\u4e0e\u2f45\u6cd5（Servlet\u73af\u5883） <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

21 <\/span><\/p>\n

22 <\/span><\/p>\n

23 <\/span><\/p>\n

24<\/span>\u2022 <\/span><\/p>\n

\u83b7\u53d6Session\u5bf9\u8c61： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

HttpSession session = request.getSession(); <\/span>：\u2f46Session\u5219\u521b\u5efa\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

HttpSession session = request.getSession(false); <\/span>：\u2f46Session\u5219\u8fd4\u56de <\/span><\/p>\n

null\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6570\u636e\u64cd\u4f5c： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5b58\u6570\u636e： <\/span>session.setAttribute("key", <\/span>\u5bf9\u8c61<\/span>); <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u53d6\u6570\u636e： <\/span>Object obj = session.getAttribute("key"); <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5220\u6570\u636e： <\/span>session.removeAttribute("key"); <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f63\u547d\u5468\u671f\u63a7\u5236： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u2f3f\u52a8\u9500\u6bc1： <\/span>session.invalidate(); <\/span>（\u5982\u9000\u51fa\u767b\u5f55）\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u8d85\u65f6\u9500\u6bc1：\u9ed8\u8ba430\u5206\u949f（Tomcat\u914d\u7f6e），\u53ef\u901a\u8fc7 <\/span>web.xml <\/span>\u4fee\u6539： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<<\/span>session-config<\/span>> <\/span><\/p>\n

<<\/span>session-timeout<\/span>>60<\/<\/span>session-timeout<\/span>> <\/span><!– <\/span>\u5355\u4f4d：\u5206\u949f <\/span>–> <\/span><\/p>\n

<\/<\/span>session-config<\/span>> <\/span><\/p>\n

4. \u5178\u578b\u5b9e\u4f8b <\/span><\/p>\n

（1）Session\u8ddf\u8e2a（\u8bbf\u95ee\u7edf\u8ba1） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

protected void <\/span>doGet<\/span>(HttpServletRequest request, HttpServletResponse response) <\/span><\/p>\n

throws <\/span>ServletException, IOException { <\/span><\/p>\n

response.setContentType(<\/span>"text\/html;charset=UTF-8"<\/span>); <\/span><\/p>\n

PrintWriter out <\/span>= response.getWriter(); <\/span><\/p>\n

HttpSession session <\/span>= request.getSession(<\/span>true<\/span>); <\/span>\/\/ <\/span>\u2f46\u5219\u521b\u5efa <\/span><\/p>\n

\/\/ <\/span>\u7edf\u8ba1\u8bbf\u95ee\u6b21\u6570 <\/span><\/p>\n

Integer visitCount <\/span>= (Integer) session.getAttribute(<\/span>"visitCount"<\/span>); <\/span><\/p>\n

if <\/span>(visitCount == <\/span>null<\/span>) { <\/span><\/p>\n

visitCount = <\/span>0<\/span>; <\/span><\/p>\n

} <\/span><\/p>\n

visitCount++; <\/span><\/p>\n

session.setAttribute(<\/span>"visitCount"<\/span>, visitCount); <\/span><\/p>\n

\/\/ <\/span>\u8f93\u51fa<\/span>Session<\/span>\u4fe1\u606f <\/span><\/p>\n

out.println(<\/span>"Session ID<\/span>：<\/span>" <\/span>+ session.getId() + <\/span>"<br>"<\/span>); <\/span><\/p>\n

out.println(<\/span>"<\/span>\u521b\u5efa\u65f6\u95f4：<\/span>" <\/span>+ <\/span>new <\/span>SimpleDateFormat<\/span>(<\/span>"yyyy-MM-dd <\/span><\/p>\n

HH:mm:ss"<\/span>).format(<\/span>new <\/span>Date<\/span>(session.getCreationTime())) + <\/span>"<br>"<\/span>); <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16<\/span>out.println(<\/span>"<\/span>\u8bbf\u95ee\u6b21\u6570：<\/span>" <\/span>+ visitCount); <\/span><\/p>\n

} <\/span><\/p>\n

（2）\u9a8c\u8bc1\u7801\u9a8c\u8bc1（\u6838\u2f3c\u573a\u666f） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f63\u6210\u9a8c\u8bc1\u7801： <\/span>CreateCode <\/span>Servlet\u2f63\u6210\u9a8c\u8bc1\u7801\u5b57\u7b26\u4e32，\u5b58\u2f0aSession\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6821\u9a8c\u903b\u8f91： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

\/\/ <\/span>\u5ba2\u2f3e\u7aef\u8f93\u2f0a\u7684\u9a8c\u8bc1\u7801 <\/span><\/p>\n

String inputCode <\/span>= request.getParameter(<\/span>"checkcode"<\/span>); <\/span><\/p>\n

\/\/ <\/span>\u670d\u52a1\u5668<\/span>Session<\/span>\u4e2d\u5b58\u50a8\u7684\u6b63\u786e\u9a8c\u8bc1\u7801 <\/span><\/p>\n

String correctCode <\/span>= (String) <\/span><\/p>\n

request.getSession().getAttribute(<\/span>"checkcode"<\/span>); <\/span><\/p>\n

if <\/span>(inputCode.toLowerCase().equals(correctCode)) { <\/span><\/p>\n

\/\/ <\/span>\u9a8c\u8bc1\u7801\u6b63\u786e，\u7ee7\u7eed\u9a8c\u8bc1\u8d26\u53f7\u5bc6\u7801 <\/span><\/p>\n

} <\/span>else <\/span>{ <\/span><\/p>\n

request.setAttribute(<\/span>"error"<\/span>, <\/span>"<\/span>\u9a8c\u8bc1\u7801\u9519\u8bef<\/span>"<\/span>); <\/span><\/p>\n

request.getRequestDispatcher(<\/span>"\/Login"<\/span>).forward(request, response); <\/span><\/p>\n

} <\/span><\/p>\n

（3）\u7b80\u6613\u8d2d\u7269\u2ecb（\u6838\u2f3c\u573a\u666f） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u903b\u8f91：\u2f64Session\u5b58\u50a8\u8d2d\u7269\u2ecb\u6570\u636e（ <\/span>HashMap<BookID, Book> <\/span>），\u5b9e\u73b0\u201c\u6dfb\u52a0\u5546\u54c1\u2192\u67e5 <\/span><\/p>\n

\u770b\u8d2d\u7269\u2ecb\u201d\u3002 <\/span><\/p>\n

5. Cookie\u7981\u2f64\u65f6\u7684Session\u89e3\u51b3\u2f45\u6848：URL\u91cd\u5199 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f5c\u2f64：Cookie\u7981\u2f64\u540e，\u5ba2\u2f3e\u7aef\u2f46\u6cd5\u4f20\u9012SessionID，\u901a\u8fc7URL\u9644\u52a0SessionID\u7ef4\u6301Session\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9e\u73b0\u2f45\u5f0f： <\/span><\/p>\n

a. <\/span>\u2f3f\u52a8\u8ffd\u52a0： <\/span>href='index.jsp;jsessionid=<%=session.getId() %>' <\/span><\/p>\n

b. <\/span>\u2f83\u52a8\u7f16\u7801（\u63a8\u8350）： <\/span>href='<%=response.encodeURL("index.jsp") %>' <\/span>（\u2f83\u52a8\u5224 <\/span><\/p>\n

\u65adCookie\u662f\u5426\u7981\u2f64，\u7981\u2f64\u5219\u8ffd\u52a0SessionID） <\/span><\/p>\n

\u56db\u3001Cookie\u4e0eSession\u7684\u6838\u2f3c\u533a\u522b\u4e0e\u8054\u7cfb <\/span><\/p>\n

1. \u6838\u2f3c\u533a\u522b <\/span><\/p>\n

\u5bf9\u2f50\u7ef4\u5ea6 <\/span><\/p>\n

Cookie <\/span><\/p>\n

Session <\/span><\/p>\n

\u5b58\u50a8\u4f4d\u7f6e <\/span><\/p>\n

\u5ba2\u2f3e\u7aef（\u6d4f\u89c8\u5668\/\u786c\u76d8） <\/span><\/p>\n

\u670d\u52a1\u5668\u7aef（\u5185\u5b58） <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11<\/span>\u6570\u636e\u7c7b\u578b <\/span><\/p>\n

\u4ec5\u2fae\u4e2d\u2f42\u5b57\u7b26\u4e32 <\/span><\/p>\n

\u4efb\u610fJava\u5bf9\u8c61（\u2f40\u6301\u4e2d\u2f42） <\/span><\/p>\n

\u2f24\u2f29\u9650\u5236 <\/span><\/p>\n

\u5355\u4e2a\u22644KB，\u6570\u91cf\u6709\u9650\u5236 <\/span><\/p>\n

\u2f46\u2f24\u2f29\u9650\u5236，\u53d6\u51b3\u4e8e\u670d\u52a1\u5668\u5185 <\/span><\/p>\n

\u5b58 <\/span><\/p>\n

\u5b89\u5168\u6027 <\/span><\/p>\n

\u8f83\u4f4e（\u5ba2\u2f3e\u7aef\u53ef\u4fee\u6539\/\u5220\u9664） <\/span><\/p>\n

\u8f83\u2fbc（\u6570\u636e\u5b58\u50a8\u5728\u670d\u52a1\u5668） <\/span><\/p>\n

\u2f63\u547d\u5468\u671f <\/span><\/p>\n

\u53ef\u8bbe\u7f6e（\u5185\u5b58\u7ea7\/\u786c\u76d8\u7ea7） <\/span><\/p>\n

\u4f1a\u8bdd\u7ea7（\u9ed8\u8ba430\u5206\u949f\u8d85\u65f6） <\/span><\/p>\n

\u4f9d\u8d56\u5173\u7cfb <\/span><\/p>\n

\u72ec\u2f74\u5b58\u5728 <\/span><\/p>\n

\u4f9d\u8d56Cookie\u4f20\u9012SessionID <\/span><\/p>\n

（\u6216URL\u91cd\u5199） <\/span><\/p>\n

2. \u8054\u7cfb <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Session\u4f9d\u8d56Cookie\u5b9e\u73b0：\u670d\u52a1\u5668\u901a\u8fc7Cookie\u5c06SessionID\u53d1\u9001\u7ed9\u5ba2\u2f3e\u7aef，\u5ba2\u2f3e\u7aef\u540e\u7eed\u8bf7\u6c42\u901a\u8fc7 <\/span><\/p>\n

Cookie\u5e26\u56deSessionID，\u670d\u52a1\u5668\u624d\u80fd\u627e\u5230\u5bf9\u5e94\u7684Session\u5bf9\u8c61\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Cookie\u7981\u2f64\u65f6，Session\u53ef\u901a\u8fc7URL\u91cd\u5199\u7ef4\u6301\u529f\u80fd\u3002 <\/span><\/p>\n

\u4e94\u3001\u8003\u8bd5\u91cd\u70b9\u8003\u70b9 <\/span><\/p>\n

1. \u9009\u62e9\u9898\/\u586b\u7a7a\u9898\u2fbc\u9891\u8003\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

HTTP\u534f\u8bae\u7684\u201c\u2f46\u72b6\u6001\u201d\u7279\u6027（\u4f1a\u8bdd\u8ddf\u8e2a\u6280\u672f\u7684\u6838\u2f3c\u2f6c\u7684）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Cookie\u7684\u6570\u91cf\/\u2f24\u2f29\u9650\u5236（300\u4e2a\/\u7ad9\u70b920\u4e2a\/\u5355\u4e2a4KB）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Session\u9ed8\u8ba4\u8d85\u65f6\u65f6\u95f4（30\u5206\u949f）\u53ca\u914d\u7f6e\u2f45\u5f0f\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Cookie\u6709\u6548\u65f6\u95f4\u7684\u4e09\u79cd\u53c2\u6570\u542b\u4e49（\u6b63\u6574\u6570\/\u8d1f\u6574\u6570\/0）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Session\u4f9d\u8d56Cookie\u4f20\u9012\u7684\u5173\u952e\u6807\u8bc6（SessionID\/JSESSIONID）\u3002 <\/span><\/p>\n

2. \u7b80\u7b54\u9898\u2fbc\u9891\u8003\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u7b80\u8ff0Cookie\u7684\u2f2f\u4f5c\u539f\u7406\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u7b80\u8ff0Session\u7684\u2f2f\u4f5c\u539f\u7406\u53ca\u2f63\u547d\u5468\u671f\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5bf9\u2f50Cookie\u4e0eSession\u7684\u6838\u2f3c\u533a\u522b\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5f53Cookie\u7981\u2f64\u65f6，\u5982\u4f55\u4fdd\u8bc1Session\u6b63\u5e38\u2f2f\u4f5c？（URL\u91cd\u5199）\u3002 <\/span><\/p>\n

3. \u7f16\u7a0b\u9898\u2fbc\u9891\u8003\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f7f\u2f64Cookie\u5b9e\u73b0\u201c\u8bb0\u4f4f\u2f64\u2f3e\u540d\u201d\u6216\u201c\u4e0a\u6b21\u8bbf\u95ee\u65f6\u95f4\u201d\u529f\u80fd\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f7f\u2f64Session\u5b9e\u73b0\u9a8c\u8bc1\u7801\u9a8c\u8bc1\u3001\u7b80\u6613\u8d2d\u7269\u2ecb\u3001\u2f64\u2f3e\u767b\u5f55\u72b6\u6001\u7ef4\u6301\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Cookie\u7684\u521b\u5efa\u3001\u8bfb\u53d6\u3001\u4fee\u6539\u3001\u5220\u9664\u64cd\u4f5c\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Session\u7684\u5c5e\u6027\u64cd\u4f5c（setAttribute\/getAttribute）\u53ca\u2f3f\u52a8\u9500\u6bc1（invalidate）\u3002<\/span>\u516d\u3001\u6613\u9519\u70b9\u63d0\u9192 <\/span><\/p>\n

1. <\/span>Cookie\u7684name\u548cvalue\u4e0d\u80fd\u76f4\u63a5\u5b58\u50a8\u4e2d\u2f42（\u9700\u7f16\u7801\u89e3\u7801，\u8003\u8bd5\u9ed8\u8ba4\u4e0d\u8003\u4e2d\u2f42\u5904\u7406）\u3002 <\/span><\/p>\n

2. <\/span>Session\u7684 <\/span>getSession() <\/span>\u4e0e <\/span>getSession(false) <\/span>\u7684\u533a\u522b（\u524d\u8005\u2f46\u5219\u521b\u5efa，\u540e\u8005\u2f46\u5219\u8fd4\u56de <\/span><\/p>\n

null）\u3002 <\/span><\/p>\n

3. <\/span>\u5220\u9664Cookie\u5fc5\u987b\u4fdd\u8bc1\u201c\u540c\u540d\u3001\u540c\u8def\u5f84\u201d，\u5426\u5219\u2f46\u6cd5\u5220\u9664\u3002 <\/span><\/p>\n

4. <\/span>Session\u7684\u8d85\u65f6\u65f6\u95f4\u662f\u201c\u4e24\u6b21\u8bf7\u6c42\u7684\u95f4\u9694\u65f6\u95f4\u201d，\u2f7d\u2fae\u4f1a\u8bdd\u603b\u65f6\u2ed3\u3002 <\/span><\/p>\n

5. <\/span>\u5173\u95ed\u6d4f\u89c8\u5668\u4e0d\u4f1a\u76f4\u63a5\u9500\u6bc1Session，\u4ec5\u9500\u6bc1\u5ba2\u2f3e\u7aef\u5b58\u50a8\u7684SessionID Cookie，\u670d\u52a1\u5668\u7aefSession\u4ecd\u4f1a <\/span><\/p>\n

\u8d85\u65f6\u540e\u9500\u6bc1\u3002 <\/span><\/p>\n

Ch5 JSP\u57fa\u7840 <\/span><\/p>\n

\u2f00\u3001JSP\u6838\u2f3c\u6982\u5ff5 <\/span><\/p>\n

1. \u5b9a\u4e49\u4e0e\u672c\u8d28 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5168\u79f0：Java Server Pages，\u52a8\u6001\u2f79\u2eda\u5f00\u53d1\u6280\u672f <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u672c\u8d28：\u2f00\u79cdJava Servlet，\u4e13\u6ce8\u4e8eJava Web\u5e94\u2f64\u7684\u2f64\u2f3e\u754c\u2faf\u5c42 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u7279\u6027：\u5728HTML\/XHTML\/XML\u4e2d\u5d4c\u2f0aJava\u4ee3\u7801，\u901a\u8fc7JSP\u6807\u7b7e（ <\/span><% <\/span>\u4ee3\u7801 <\/span>%> <\/span>）\u5b9e\u73b0\u52a8\u6001\u5185\u5bb9 <\/span><\/p>\n

\u2f63\u6210 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u529f\u80fd：\u5904\u7406\u2f64\u2f3e\u8868\u5355\u8f93\u2f0a\u3001\u8bbf\u95ee\u6570\u636e\u5e93\/\u6570\u636e\u6e90\u3001\u52a8\u6001\u521b\u5efa\u2f79\u2eda <\/span><\/p>\n

2. JSP\u7684\u4f18\u52bf（\u2fbc\u9891\u8003\u70b9） <\/span><\/p>\n

\u5bf9\u2f50\u5bf9\u8c61 <\/span><\/p>\n

\u6838\u2f3c\u4f18\u52bf <\/span><\/p>\n

CGI\u7a0b\u5e8f <\/span><\/p>\n

\u6027\u80fd\u66f4\u4f18（\u76f4\u63a5\u5d4c\u2f0a\u52a8\u6001\u5143 <\/span><\/p>\n

\u7d20，\u2f46\u9700\u5355\u72ec\u5f15\u2f64CGI\u2f42 <\/span><\/p>\n

\u4ef6）\u3001\u7f16\u8bd1\u540e\u6267\u2f8f（\u2f46\u9700\u91cd\u590d <\/span><\/p>\n

\u8f7d\u2f0a\u89e3\u91ca\u5668） <\/span><\/p>\n

ASP <\/span><\/p>\n

\u52a8\u6001\u90e8\u5206\u2f64Java\u7f16\u5199（\u8de8\u5e73 <\/span><\/p>\n

\u53f0\u3001\u529f\u80fd\u66f4\u5f3a）\u3001\u53ef\u79fb\u690d\u5230\u2fae <\/span><\/p>\n

MS\u5e73\u53f0 <\/span><\/p>\n

\u7eafServlet <\/span><\/p>\n

\u2f46\u9700\u2f24\u91cf <\/span>println <\/span>\u8bed\u53e5，\u4fbf <\/span><\/p>\n

\u4e8e\u7f16\u5199\/\u4fee\u6539HTML\u754c\u2faf <\/span><\/p>\n

SSI <\/span><\/p>\n

\u2f40\u6301\u8868\u5355\u6570\u636e\u5904\u7406\u3001\u6570\u636e\u5e93\u8fde <\/span><\/p>\n

\u63a5 <\/span><\/p>\n

JavaScript<\/span>\u53ef\u4e0e\u670d\u52a1\u5668\u4ea4\u4e92，\u2f40\u6301\u590d\u6742\u670d <\/span><\/p>\n

\u52a1（\u6570\u636e\u5e93\u8bbf\u95ee\u3001\u56fe\u50cf\u5904\u7406 <\/span><\/p>\n

\u7b49） <\/span><\/p>\n

\u9759\u6001HTML <\/span><\/p>\n

\u5305\u542b\u52a8\u6001\u4fe1\u606f，\u53ef\u5b9e\u65f6\u54cd\u5e94\u6570 <\/span><\/p>\n

\u636e\u53d8\u5316 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u989d\u5916\u7279\u6027：\u5c5e\u4e8eJava EE\u6838\u2f3c\u7ec4\u4ef6，\u2f40\u6301JDBC\u3001JNDI\u3001EJB\u7b49\u4f01\u4e1a\u7ea7API，\u53ef\u4e0e\u4e1a\u52a1\u903b\u8f91Servlet\u534f <\/span><\/p>\n

\u540c\u2f2f\u4f5c <\/span><\/p>\n

\u2f06\u3001JSP\u2f2f\u4f5c\u539f\u7406\u4e0e\u2f63\u547d\u5468\u671f <\/span><\/p>\n

1. \u8fd0\u2f8f\u73af\u5883 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f9d\u8d56JSP\u5f15\u64ce（\u5bb9\u5668） ：\u4e0eWeb\u670d\u52a1\u5668\u534f\u540c，\u63d0\u4f9b\u8fd0\u2f8f\u73af\u5883，\u8bc6\u522bJSP\u7279\u6b8a\u5143\u7d20 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u6d41\u7a0b（4\u6b65）： <\/span><\/p>\n

a. <\/span>\u6d4f\u89c8\u5668\u53d1\u9001HTTP\u8bf7\u6c42\u5230Web\u670d\u52a1\u5668 <\/span><\/p>\n

b. <\/span>\u670d\u52a1\u5668\u8bc6\u522bJSP\u8bf7\u6c42，\u4f20\u9012\u7ed9JSP\u5f15\u64ce，\u5c06JSP\u2f42\u4ef6\u8f6c\u4e3aServlet（\u6a21\u677f\u2f42\u672c\u2192 <\/span>println() <\/span>， <\/span><\/p>\n

JSP\u5143\u7d20\u2192Java\u4ee3\u7801） <\/span><\/p>\n

c. <\/span>\u7f16\u8bd1Servlet\u4e3a\u53ef\u6267\u2f8f\u7c7b，Servlet\u5f15\u64ce\u6267\u2f8f\u8be5\u7c7b，\u2f63\u6210HTML\u683c\u5f0f\u54cd\u5e94 <\/span><\/p>\n

d. <\/span>\u670d\u52a1\u5668\u4ee5\u9759\u6001HTML\u5f62\u5f0f\u8fd4\u56de\u54cd\u5e94，\u6d4f\u89c8\u5668\u89e3\u6790\u5c55\u2f70 <\/span><\/p>\n

2. JSP\u2f63\u547d\u5468\u671f（\u5fc5\u8003\u77e5\u8bc6\u70b9） <\/span><\/p>\n

（1）\u56db\u4e2a\u9636\u6bb5 <\/span><\/p>\n

\u9636\u6bb5 <\/span><\/p>\n

\u6838\u2f3c\u64cd\u4f5c <\/span><\/p>\n

\u5173\u952e\u2f45\u6cd5 <\/span><\/p>\n

\u7f16\u8bd1\u9636\u6bb5 <\/span><\/p>\n

\u89e3\u6790JSP\u2f42\u4ef6\u2192\u8f6c\u4e3aServlet\u2192 <\/span><\/p>\n

\u7f16\u8bd1Servlet（\u4ec5\u2fb8\u6b21\u8bf7\u6c42\u6216 <\/span><\/p>\n

\u2f42\u4ef6\u4fee\u6539\u540e\u6267\u2f8f） <\/span><\/p>\n

– <\/span><\/p>\n

\u521d\u59cb\u5316\u9636\u6bb5 <\/span><\/p>\n

\u5bb9\u5668\u8f7d\u2f0aJSP\u540e，\u670d\u52a1\u8bf7\u6c42\u524d <\/span><\/p>\n

\u6267\u2f8f，\u4ec5\u6267\u2f8f1\u6b21 <\/span><\/p>\n

jspInit() <\/span>（\u53ef\u91cd\u5199，\u2f64\u4e8e <\/span><\/p>\n

\u521d\u59cb\u5316\u6570\u636e\u5e93\u8fde\u63a5\u3001\u6253\u5f00\u2f42\u4ef6 <\/span><\/p>\n

\u7b49） <\/span><\/p>\n

\u6267\u2f8f\u9636\u6bb5 <\/span><\/p>\n

\u5904\u7406\u6bcf\u4e2a\u2f64\u2f3e\u8bf7\u6c42，\u662f\u2f63\u547d\u5468 <\/span><\/p>\n

\u671f\u4e2d\u4e0e\u8bf7\u6c42\u76f8\u5173\u7684\u6838\u2f3c\u9636\u6bb5 <\/span><\/p>\n

_jspService(HttpServle <\/span><\/p>\n

tRequest request, <\/span><\/p>\n

HttpServletResponse <\/span><\/p>\n

response) <\/span>（\u2f83\u52a8\u2f63\u6210，\u4e0d <\/span><\/p>\n

\u53ef\u91cd\u5199，\u2f40\u6301GET\/POST\u7b497 <\/span><\/p>\n

\u79cdHTTP\u2f45\u6cd5）<\/span>\u9500\u6bc1\u9636\u6bb5 <\/span><\/p>\n

JSP\u4ece\u5bb9\u5668\u4e2d\u79fb\u9664\u65f6\u6267\u2f8f，\u4ec5 <\/span><\/p>\n

\u6267\u2f8f1\u6b21 <\/span><\/p>\n

jspDestroy() <\/span>（\u53ef\u91cd\u5199， <\/span><\/p>\n

\u2f64\u4e8e\u91ca\u653e\u6570\u636e\u5e93\u8fde\u63a5\u3001\u5173\u95ed\u2f42 <\/span><\/p>\n

\u4ef6\u7b49） <\/span><\/p>\n

（2）\u2f63\u547d\u5468\u671f\u5b9e\u4f8b\u5173\u952e\u4ee3\u7801（\u7406\u89e3\u8bb0\u5fc6） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<%! <\/span><\/p>\n

\/\/ <\/span>\u6210\u5458\u53d8\u91cf（\u5171\u4eab\u4e8e\u6240\u6709\u2f64\u2f3e\u7ebf\u7a0b） <\/span><\/p>\n

private <\/span>int <\/span>initVar=<\/span>0<\/span>; <\/span><\/p>\n

private <\/span>int <\/span>serviceVar=<\/span>0<\/span>; <\/span><\/p>\n

private <\/span>int <\/span>destroyVar=<\/span>0<\/span>; <\/span><\/p>\n

\/\/ <\/span>\u521d\u59cb\u5316\u2f45\u6cd5 <\/span><\/p>\n

public void <\/span>jspInit<\/span>(){ initVar++; System.out.println(<\/span>"JSP<\/span>\u521d\u59cb\u5316<\/span>"<\/span>+initVar+<\/span>"<\/span>\u6b21<\/span>"<\/span>); <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ <\/span>\u9500\u6bc1\u2f45\u6cd5 <\/span><\/p>\n

public void <\/span>jspDestroy<\/span>(){ destroyVar++; System.out.println(<\/span>"JSP<\/span>\u9500 <\/span><\/p>\n

\u6bc1<\/span>"<\/span>+destroyVar+<\/span>"<\/span>\u6b21<\/span>"<\/span>); } <\/span><\/p>\n

%> <\/span><\/p>\n

<% <\/span><\/p>\n

\/\/ <\/span>\u670d\u52a1\u2f45\u6cd5\u4e2d\u6267\u2f8f（\u6bcf\u6b21\u8bf7\u6c42<\/span>+1<\/span>） <\/span><\/p>\n

serviceVar++; <\/span><\/p>\n

System.out.println(<\/span>"<\/span>\u54cd\u5e94\u8bf7\u6c42<\/span>"<\/span>+serviceVar+<\/span>"<\/span>\u6b21<\/span>"<\/span>); <\/span><\/p>\n

%> <\/span><\/p>\n

\u4e09\u3001JSP\u57fa\u672c\u8bed\u6cd5 <\/span><\/p>\n

1. \u2eda\u2faf\u7ec4\u6210 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5143\u7d20：JSP\u5b9a\u4e49\u7684\u6838\u2f3c\u5185\u5bb9（\u6307\u4ee4\u3001\u811a\u672c\u3001\u52a8\u4f5c\u3001\u8868\u8fbe\u5f0f\u8bed\u2f94），\u5bb9\u5668\u4f1a\u8f6c\u4e3aJava\u4ee3\u7801 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6a21\u677f\u6570\u636e：HTML\/XHTML\u7b49\u2faeJSP\u5143\u7d20，\u5bb9\u5668\u4e0d\u5904\u7406，\u76f4\u63a5\u8fd4\u56de\u5ba2\u2f3e\u7aef <\/span><\/p>\n

2. \u811a\u672c\u5143\u7d20（\u7f16\u7a0b\u9898\u2fbc\u9891\u8003\u70b9） <\/span><\/p>\n

（1）\u5206\u7c7b\u4e0e\u8bed\u6cd5 <\/span><\/p>\n

\u7c7b\u578b <\/span><\/p>\n

\u8bed\u6cd5\u683c\u5f0f <\/span><\/p>\n

\u6838\u2f3c\u2f64\u9014 <\/span><\/p>\n

\u6ce8\u610f\u4e8b\u9879 <\/span><\/p>\n

\u58f0\u660e（Declarations） <\/span><\/p>\n

<%! <\/span>\u58f0\u660e<\/span>; [<\/span>\u58f0 <\/span><\/p>\n

\u660e<\/span>;]… %> <\/span>\u6216 <\/span><\/p>\n

<jsp:declaration> <\/span><\/p>\n

\u58f0\u660e\u2eda\u2faf\u6210\u5458\u53d8\u91cf\u3001\u2f45 <\/span><\/p>\n

\u6cd5\u3001\u5185\u90e8\u7c7b <\/span><\/p>\n

\u53d8\u91cf\u4e3a\u5171\u4eab\u53d8\u91cf（\u591a\u2f64\u2f3e <\/span><\/p>\n

\u7ebf\u7a0b\u5171\u4eab），\u2f45\u6cd5\u4e3a <\/span><\/p>\n

Servlet\u7c7b\u2f45\u6cd5 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16<\/span>\u8868\u8fbe\u5f0f（Expressions） <\/span><\/p>\n

<%= <\/span>\u8868\u8fbe\u5f0f <\/span>%> <\/span>（\u2f46\u7a7a <\/span><\/p>\n

\u683c\u3001\u2f46\u5206\u53f7） <\/span><\/p>\n

\u8ba1\u7b97\u8868\u8fbe\u5f0f\u5e76\u63d2\u2f0a\u8f93\u51fa <\/span><\/p>\n

\u6d41，\u8fd4\u56de\u5ba2\u2f3e\u7aef <\/span><\/p>\n

\u8868\u8fbe\u5f0f\u7ed3\u679c\u2f83\u52a8\u8f6c\u4e3a\u5b57\u7b26 <\/span><\/p>\n

\u4e32 <\/span><\/p>\n

\u811a\u672c\u2f29\u7a0b\u5e8f <\/span><\/p>\n

（Scriptlets） <\/span><\/p>\n

<% Java<\/span>\u4ee3\u7801 <\/span>%> <\/span>\u6216 <\/span><\/p>\n

<jsp:scriptlet> <\/span><\/p>\n

\u5d4c\u2f0a\u6267\u2f8f\u903b\u8f91（\u6761\u4ef6\u5224 <\/span><\/p>\n

\u65ad\u3001\u5faa\u73af\u7b49） <\/span><\/p>\n

\u4ee3\u7801\u63d2\u2f0a <\/span><\/p>\n

_jspService() <\/span>\u2f45\u6cd5， <\/span><\/p>\n

\u53d8\u91cf\u4e3a\u5c40\u90e8\u53d8\u91cf <\/span><\/p>\n

（2）\u2f70\u4f8b <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u58f0\u660e\u53d8\u91cf\/\u2f45\u6cd5： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<%! <\/span>int <\/span>a=<\/span>0<\/span>; <\/span>\/\/ <\/span>\u6210\u5458\u53d8\u91cf <\/span>%> <\/span><\/p>\n

<%! <\/span>public <\/span>String <\/span>checkAnswer<\/span>(<\/span>boolean <\/span>flag){ <\/span>return <\/span>flag?<\/span>"<\/span>\u6b63\u786e<\/span>"<\/span>:<\/span>"<\/span>\u9519\u8bef<\/span>"<\/span>; } <\/span>\/\/ <\/span><\/p>\n

\u2f45\u6cd5 <\/span>%> <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8868\u8fbe\u5f0f： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<p><\/span>\u4eca\u5929\u662f<\/span>:<%=(<\/span>new <\/span>java<\/span>.util.Date()).toLocaleString()%><\/p> <\/span><\/p>\n

3. \u6ce8\u91ca <\/span><\/p>\n

\u2022 <\/span><\/p>\n

JSP\u6ce8\u91ca（\u5bb9\u5668\u5ffd\u7565，\u4e0d\u8fd4\u56de\u5ba2\u2f3e\u7aef）： <\/span><%– <\/span>\u6ce8\u91ca\u5185\u5bb9 <\/span>–%> <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6ce8\u610f：\u533a\u522b\u4e8eHTML\u6ce8\u91ca（ <\/span><!– <\/span>\u6ce8\u91ca <\/span>–> <\/span>，\u4f1a\u8fd4\u56de\u5ba2\u2f3e\u7aef，\u53ef\u5728\u2eda\u2faf\u6e90\u7801\u4e2d\u770b\u5230） <\/span><\/p>\n

4. \u6307\u4ee4\u5143\u7d20（3\u79cd\u6838\u2f3c\u6307\u4ee4） <\/span><\/p>\n

（1）\u8bed\u6cd5\u683c\u5f0f <\/span><\/p>\n

<%@ <\/span>\u6307\u4ee4\u540d \u5c5e\u6027\u540d<\/span>1="<\/span>\u503c<\/span>1" <\/span>\u5c5e\u6027\u540d<\/span>2="<\/span>\u503c<\/span>2"… %> <\/span>（ <\/span><%@ <\/span>\u2f46\u7a7a\u683c）\u6216XML\u683c\u5f0f（\u5982 <\/span><\/p>\n

<jsp:directive.page> <\/span>） <\/span><\/p>\n

（2）\u5206\u7c7b\u4e0e\u2f64\u9014 <\/span><\/p>\n

\u6307\u4ee4\u540d <\/span><\/p>\n

\u6838\u2f3c\u529f\u80fd <\/span><\/p>\n

\u5173\u952e\u5c5e\u6027 <\/span><\/p>\n

\u2f70\u4f8b <\/span><\/p>\n

page <\/span><\/p>\n

\u914d\u7f6e\u5f53\u524d\u2eda\u2faf（\u5bb9\u5668\u4f7f\u2f64 <\/span><\/p>\n

\u8bf4\u660e） <\/span><\/p>\n

language（\u8bed\u2f94）\u3001 <\/span><\/p>\n

contentType（\u5185\u5bb9\u7c7b <\/span><\/p>\n

\u578b）\u3001pageEncoding <\/span><\/p>\n

（\u7f16\u7801）\u3001import（\u5bfc\u2f0a <\/span><\/p>\n

<%@ page <\/span><\/p>\n

language="java" <\/span><\/p>\n

contentType="text\/h <\/span><\/p>\n

tml; charset=UTF- <\/span><\/p>\n

8" <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

1<\/span>\u7c7b）\u3001session（\u662f\u5426\u2f40 <\/span><\/p>\n

\u6301\u4f1a\u8bdd） <\/span><\/p>\n

import="java.util.* <\/span><\/p>\n

" %> <\/span><\/p>\n

include <\/span><\/p>\n

\u7f16\u8bd1\u9636\u6bb5\u5408\u5e76\u5916\u90e8\u2f42\u4ef6 <\/span><\/p>\n

（JSP\/HTML\/\u2f42\u672c） <\/span><\/p>\n

file（\u76f8\u5bf9URL\u8def\u5f84） <\/span><\/p>\n

<%@ include <\/span><\/p>\n

file="header.html" <\/span><\/p>\n

%> <\/span><\/p>\n

taglib <\/span><\/p>\n

\u5f15\u2f0a\u2f83\u5b9a\u4e49\u6807\u7b7e\u5e93 <\/span><\/p>\n

uri（\u6807\u7b7e\u5e93\u8def\u5f84）\u3001 <\/span><\/p>\n

prefix（\u6807\u7b7e\u524d\u7f00） <\/span><\/p>\n

<%@ taglib <\/span><\/p>\n

uri="<\/span>http:\/\/java.su <\/span><\/p>\n

n.com\/jsp\/jstl\/core <\/span><\/p>\n

" prefix="c" %> <\/span><\/p>\n

5. \u52a8\u4f5c\u5143\u7d20（\u6838\u2f3c\u52a8\u4f5c） <\/span><\/p>\n

（1）\u901a\u2f64\u5c5e\u6027 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

id <\/span>：\u552f\u2f00\u6807\u8bc6，\u53ef\u901a\u8fc7 <\/span>PageContext <\/span>\u8c03\u2f64 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

scope <\/span>：\u2f63\u547d\u5468\u671f（page\/request\/session\/application） <\/span><\/p>\n

（2）\u5e38\u2f64\u52a8\u4f5c\u53ca\u2f64\u9014 <\/span><\/p>\n

\u52a8\u4f5c\u5143\u7d20 <\/span><\/p>\n

\u6838\u2f3c\u529f\u80fd <\/span><\/p>\n

\u5173\u952e\u5c5e\u6027 <\/span><\/p>\n

\u2f70\u4f8b <\/span><\/p>\n

<jsp:include> <\/span><\/p>\n

\u8fd0\u2f8f\u65f6\u5305\u542b\u9759\u6001\/\u52a8\u6001\u2f42 <\/span><\/p>\n

\u4ef6 <\/span><\/p>\n

page（\u2f6c\u6807\u2f42\u4ef6URL）\u3001 <\/span><\/p>\n

flush（\u662f\u5426\u5237\u65b0\u7f13\u51b2\u533a） <\/span><\/p>\n

<jsp:include <\/span><\/p>\n

page="date.jsp" <\/span><\/p>\n

flush="true" \/> <\/span><\/p>\n

<jsp:useBean> <\/span><\/p>\n

\u88c5\u8f7dJavaBean\u7ec4\u4ef6 <\/span><\/p>\n

id（Bean\u6807\u8bc6）\u3001class <\/span><\/p>\n

（Bean\u5168\u7c7b\u540d） <\/span><\/p>\n

<jsp:useBean <\/span><\/p>\n

id="test" <\/span><\/p>\n

class="action.TestB <\/span><\/p>\n

ean" \/> <\/span><\/p>\n

<jsp:setProperty> <\/span><\/p>\n

\u8bbe\u7f6eBean\u5c5e\u6027 <\/span><\/p>\n

name（Bean\u6807\u8bc6）\u3001 <\/span><\/p>\n

property（\u5c5e\u6027\u540d）\u3001 <\/span><\/p>\n

value（\u5c5e\u6027\u503c） <\/span><\/p>\n

<jsp:setProperty <\/span><\/p>\n

name="test" <\/span><\/p>\n

property="message" <\/span><\/p>\n

value="Hello" \/> <\/span><\/p>\n

<jsp:getProperty> <\/span><\/p>\n

\u83b7\u53d6Bean\u5c5e\u6027\u5e76\u8f93\u51fa <\/span><\/p>\n

name（Bean\u6807\u8bc6）\u3001 <\/span><\/p>\n

property（\u5c5e\u6027\u540d） <\/span><\/p>\n

<jsp:getProperty <\/span><\/p>\n

name="test" <\/span><\/p>\n

property="message" <\/span><\/p>\n

\/> <\/span><\/p>\n

<jsp:forward> <\/span><\/p>\n

\u8f6c\u53d1\u8bf7\u6c42\u5230\u53e6\u2f00\u4e2a\u2eda\u2faf <\/span><\/p>\n

page（\u2f6c\u6807URL） <\/span><\/p>\n

<jsp:forward <\/span><\/p>\n

page="login.jsp" \/> <\/span><\/p>\n

<jsp:text> <\/span><\/p>\n

–<\/span>\u5d4c\u2f0a\u2f42\u672c\u6a21\u677f（\u2f40\u6301EL\u8868 <\/span><\/p>\n

\u8fbe\u5f0f） <\/span><\/p>\n

<jsp:text><! <\/span><\/p>\n

[CDATA[<!DOCTYPE <\/span><\/p>\n

html>]]><\/jsp:text> <\/span><\/p>\n

\u56db\u3001JSP\u9690\u542b\u5bf9\u8c61（\u5fc5\u8003\u91cd\u70b9） <\/span><\/p>\n

1. \u6838\u2f3c\u7279\u6027 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5bb9\u5668\u2f83\u52a8\u521b\u5efa，\u5f00\u53d1\u8005\u53ef\u76f4\u63a5\u4f7f\u2f64（\u2f46\u9700\u663e\u5f0f\u58f0\u660e），\u51719\u4e2a <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u5bf9\u8c61\u53ca\u2f64\u6cd5： <\/span><\/p>\n

\u5bf9\u8c61\u540d <\/span><\/p>\n

\u7c7b\u578b <\/span><\/p>\n

\u6838\u2f3c\u2f64\u9014 <\/span><\/p>\n

\u5e38\u2f64\u2f45\u6cd5 <\/span><\/p>\n

request <\/span><\/p>\n

HttpServletRequest <\/span><\/p>\n

\u63a5\u6536\u5ba2\u2f3e\u7aef\u8bf7\u6c42\u6570\u636e（\u8868 <\/span><\/p>\n

\u5355\u3001URL\u53c2\u6570\u3001HTTP <\/span><\/p>\n

\u5934） <\/span><\/p>\n

getParameter()\u3001 <\/span><\/p>\n

getParameterValues()\u3001 <\/span><\/p>\n

getHeader()\u3001 <\/span><\/p>\n

getHeaderNames() <\/span><\/p>\n

response <\/span><\/p>\n

HttpServletResponse <\/span><\/p>\n

\u5411\u5ba2\u2f3e\u7aef\u53d1\u9001\u54cd\u5e94（\u8bbe\u7f6e <\/span><\/p>\n

HTTP\u5934\u3001Cookie\u3001\u72b6\u6001 <\/span><\/p>\n

\u7801） <\/span><\/p>\n

setIntHeader()\u3001 <\/span><\/p>\n

setRefreshHeader()\u3001 <\/span><\/p>\n

addCookie() <\/span><\/p>\n

out <\/span><\/p>\n

JspWriter <\/span><\/p>\n

\u8f93\u51fa\u5185\u5bb9\u5230\u54cd\u5e94\u6d41 <\/span><\/p>\n

print()\u3001println()\u3001 <\/span><\/p>\n

flush() <\/span><\/p>\n

session <\/span><\/p>\n

HttpSession <\/span><\/p>\n

\u8ddf\u8e2a\u2f64\u2f3e\u4f1a\u8bdd（\u5b58\u50a8\u8de8\u8bf7 <\/span><\/p>\n

\u6c42\u6570\u636e） <\/span><\/p>\n

getCreationTime()\u3001 <\/span><\/p>\n

getLastAccessedTime() <\/span><\/p>\n

\u3001setAttribute()\u3001 <\/span><\/p>\n

getAttribute()\u3001 <\/span><\/p>\n

invalidate() <\/span><\/p>\n

application <\/span><\/p>\n

ServletContext <\/span><\/p>\n

\u5171\u4eab\u5e94\u2f64\u7ea7\u6570\u636e（\u6240\u6709\u2f64 <\/span><\/p>\n

\u2f3e\u53ef\u2ec5） <\/span><\/p>\n

setAttribute()\u3001 <\/span><\/p>\n

getAttribute()\u3001 <\/span><\/p>\n

getRealPath() <\/span><\/p>\n

config <\/span><\/p>\n

ServletConfig <\/span><\/p>\n

\u8bbf\u95eeServlet\/JSP\u521d\u59cb\u5316 <\/span><\/p>\n

\u53c2\u6570 <\/span><\/p>\n

getServletName()\u3001 <\/span><\/p>\n

getInitParameter() <\/span><\/p>\n

pageContext <\/span><\/p>\n

PageContext <\/span><\/p>\n

\u8bbf\u95ee\u2eda\u2faf\u6240\u6709\u5bf9\u8c61 <\/span><\/p>\n

（request\/response\/ses <\/span><\/p>\n

sion\u7b49），\u7ba1\u7406\u5c5e\u6027\u4f5c\u2f64 <\/span><\/p>\n

\u57df <\/span><\/p>\n

setAttribute()\u3001 <\/span><\/p>\n

getAttribute()\u3001 <\/span><\/p>\n

removeAttribute() <\/span><\/p>\n

page <\/span><\/p>\n

Object（\u5f53\u524dJSP\u2eda\u2faf\u5b9e <\/span><\/p>\n

\u4f8b） <\/span><\/p>\n

\u4ee3\u8868\u5f53\u524dJSP\u2eda\u2faf（\u7b49\u4ef7 <\/span><\/p>\n

\u4e8ethis） <\/span><\/p>\n

–<\/span>exception <\/span><\/p>\n

Throwable <\/span><\/p>\n

\u5904\u7406\u2eda\u2faf\u5f02\u5e38（\u9700page\u6307 <\/span><\/p>\n

\u4ee4\u6307\u5b9aerrorPage） <\/span><\/p>\n

getMessage()\u3001 <\/span><\/p>\n

printStackTrace() <\/span><\/p>\n

\u4e94\u3001\u8868\u5355\u5904\u7406\u4e0e\u6570\u636e\u4ea4\u4e92 <\/span><\/p>\n

1. \u6570\u636e\u63d0\u4ea4\u2f45\u5f0f（GET vs POST） <\/span><\/p>\n

\u7279\u6027 <\/span><\/p>\n

GET\u2f45\u6cd5 <\/span><\/p>\n

POST\u2f45\u6cd5 <\/span><\/p>\n

\u6570\u636e\u4f20\u8f93 <\/span><\/p>\n

\u62fc\u63a5\u5728URL\u540e（ <\/span>? <\/span><\/p>\n

key1=value1&key2=value <\/span><\/p>\n

2 <\/span>） <\/span><\/p>\n

\u9690\u5f0f\u4f20\u8f93（\u8bf7\u6c42\u4f53\u4e2d） <\/span><\/p>\n

\u5b89\u5168\u6027 <\/span><\/p>\n

\u4f4e（\u6570\u636e\u53ef\u2ec5），\u4e0d\u9002\u5408\u654f\u611f <\/span><\/p>\n

\u4fe1\u606f（\u5bc6\u7801） <\/span><\/p>\n

\u2fbc（\u6570\u636e\u4e0d\u53ef\u2ec5），\u9002\u5408\u654f\u611f <\/span><\/p>\n

\u4fe1\u606f <\/span><\/p>\n

\u6570\u636e\u2f24\u2f29\u9650\u5236 <\/span><\/p>\n

\u6700\u2f241024\u5b57\u8282 <\/span><\/p>\n

\u2f46\u9650\u5236（\u53d6\u51b3\u4e8e\u670d\u52a1\u5668\u914d\u7f6e） <\/span><\/p>\n

\u6838\u2f3c\u2f64\u9014 <\/span><\/p>\n

\u7b80\u5355\u67e5\u8be2\u3001\u2fae\u654f\u611f\u6570\u636e\u63d0\u4ea4 <\/span><\/p>\n

\u8868\u5355\u63d0\u4ea4\u3001\u2f42\u4ef6\u4e0a\u4f20\u3001\u654f\u611f\u6570 <\/span><\/p>\n

\u636e\u4f20\u8f93 <\/span><\/p>\n

2. \u8868\u5355\u6570\u636e\u83b7\u53d6\u2f45\u6cd5 <\/span><\/p>\n

\u2f45\u6cd5\u540d <\/span><\/p>\n

\u2f64\u9014 <\/span><\/p>\n

\u2f70\u4f8b <\/span><\/p>\n

getParameter(String name) <\/span><\/p>\n

\u83b7\u53d6\u5355\u4e2a\u503c\u53c2\u6570（\u2f42\u672c\u6846\u3001\u5355 <\/span><\/p>\n

\u9009\u6846） <\/span><\/p>\n

String name = <\/span><\/p>\n

request.getParameter(" <\/span><\/p>\n

username"); <\/span><\/p>\n

getParameterValues(String <\/span><\/p>\n

name) <\/span><\/p>\n

\u83b7\u53d6\u591a\u503c\u53c2\u6570（\u590d\u9009\u6846\u3001\u4e0b\u62c9 <\/span><\/p>\n

\u591a\u9009） <\/span><\/p>\n

String[] hobbies = <\/span><\/p>\n

request.getParameterVa <\/span><\/p>\n

lues("hobby"); <\/span><\/p>\n

getParameterNames() <\/span><\/p>\n

\u83b7\u53d6\u6240\u6709\u53c2\u6570\u540d（\u904d\u5386\u8868\u5355\u6240 <\/span><\/p>\n

\u6709\u5b57\u6bb5） <\/span><\/p>\n

Enumeration<String> <\/span><\/p>\n

params = <\/span><\/p>\n

request.getParameterNa <\/span><\/p>\n

mes(); <\/span><\/p>\n

getInputStream() <\/span><\/p>\n

\u8bfb\u53d6\u5ba2\u2f3e\u7aef\u2f06\u8fdb\u5236\u6570\u636e\u6d41（\u2f42 <\/span><\/p>\n

\u4ef6\u4e0a\u4f20） <\/span><\/p>\n

– <\/span><\/p>\n

3. \u2f70\u4f8b：\u590d\u9009\u6846\u6570\u636e\u5904\u7406 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u524d\u7aef\u8868\u5355（CheckBox.htm）：<\/span>\u4ee3\u7801\u5757 <\/span><\/p>\n

<<\/span>form <\/span>action<\/span>=<\/span>"main.jsp" <\/span>method<\/span>=<\/span>"POST"<\/span>> <\/span><\/p>\n

<<\/span>input <\/span>type<\/span>=<\/span>"checkbox" <\/span>name<\/span>=<\/span>"subject" <\/span>value<\/span>=<\/span>"maths" <\/span>checked<\/span>> <\/span>\u6570\u5b66 <\/span><\/p>\n

<<\/span>input <\/span>type<\/span>=<\/span>"checkbox" <\/span>name<\/span>=<\/span>"subject" <\/span>value<\/span>=<\/span>"physics"<\/span>> <\/span>\u7269\u7406 <\/span><\/p>\n

<<\/span>input <\/span>type<\/span>=<\/span>"submit" <\/span>value<\/span>=<\/span>"<\/span>\u63d0\u4ea4<\/span>"<\/span>> <\/span><\/p>\n

<\/<\/span>form<\/span>> <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u540e\u7aef\u5904\u7406（main.jsp）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<% String[] subjects = request.getParameterValues(<\/span>"subject"<\/span>); %> <\/span><\/p>\n

<p><\/span>\u9009\u4e2d\u7684\u79d1\u2f6c：<\/span><% <\/span>for<\/span>(String s : subjects) out.print(s+<\/span>" "<\/span>); %><\/p> <\/span><\/p>\n

\u516d\u3001Session\u4f1a\u8bdd\u8ddf\u8e2a <\/span><\/p>\n

1. \u6838\u2f3c\u6982\u5ff5 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f64\u4e8e\u8bc6\u522b\u540c\u2f00\u2f64\u2f3e\u7684\u591a\u6b21\u8bf7\u6c42，\u5b58\u50a8\u2f64\u2f3e\u4e13\u5c5e\u6570\u636e（\u5982\u767b\u5f55\u72b6\u6001\u3001\u8d2d\u7269\u2ecb） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u9ed8\u8ba4\u2f40\u6301\u4f1a\u8bdd\u8ddf\u8e2a，\u53ef\u901a\u8fc7page\u6307\u4ee4\u5173\u95ed： <\/span><%@ page session="false" %> <\/span><\/p>\n

2. \u6838\u2f3c\u2f45\u6cd5 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6570\u636e\u64cd\u4f5c： <\/span>session.setAttribute(String key, Object value) <\/span>\u3001 <\/span><\/p>\n

session.getAttribute(String key) <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f1a\u8bdd\u7ba1\u7406： <\/span>session.isNew() <\/span>（\u5224\u65ad\u662f\u5426\u65b0\u4f1a\u8bdd）\u3001 <\/span>session.invalidate() <\/span>（\u9500\u6bc1\u4f1a <\/span><\/p>\n

\u2022 <\/span>\u8bdd\u6709 ）\u6548\u671f\u8bbe\u7f6e： <\/span>session.setMaxInactiveInterval(int seconds) <\/span>（\u79d2），\u6216\u5728 <\/span><\/p>\n

web.xml\u4e2d\u914d\u7f6e： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<<\/span>session-config<\/span>> <\/span><\/p>\n

<<\/span>session-timeout<\/span>>15<\/<\/span>session-timeout<\/span>> <\/span><!– 15<\/span>\u5206\u949f <\/span>–> <\/span><\/p>\n

<\/<\/span>session-config<\/span>> <\/span><\/p>\n

3. \u5e94\u2f64\u2f70\u4f8b：\u8bbf\u95ee\u6b21\u6570\u7edf\u8ba1 <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<% <\/span><\/p>\n

Date createTime <\/span>= <\/span>new <\/span>Date<\/span>(session.getCreationTime()); <\/span><\/p>\n

Date lastAccessTime <\/span>= <\/span>new <\/span>Date<\/span>(session.getLastAccessedTime()); <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3<\/span>Integer visitCount <\/span>= (Integer)session.getAttribute(<\/span>"visitCount"<\/span>); <\/span><\/p>\n

if<\/span>(visitCount == <\/span>null<\/span>) visitCount = <\/span>0<\/span>; <\/span><\/p>\n

visitCount++; <\/span><\/p>\n

session.setAttribute(<\/span>"visitCount"<\/span>, visitCount); <\/span><\/p>\n

%> <\/span><\/p>\n

<p><\/span>\u4f1a\u8bdd<\/span>ID<\/span>：<\/span><%=session.getId()%><\/p> <\/span><\/p>\n

<p><\/span>\u2fb8\u6b21\u8bbf\u95ee\u65f6\u95f4：<\/span><%=createTime%><\/p> <\/span><\/p>\n

<p><\/span>\u7d2f\u8ba1\u8bbf\u95ee\u6b21\u6570：<\/span><%=visitCount%><\/p> <\/span><\/p>\n

\u4e03\u3001\u2fbc\u9891\u8003\u70b9\u603b\u7ed3 <\/span><\/p>\n

1. <\/span>\u6982\u5ff5\u7c7b：JSP\u672c\u8d28\u3001\u4f18\u52bf（\u4e0e\u5176\u4ed6\u6280\u672f\u5bf9\u2f50）\u3001\u2f63\u547d\u5468\u671f\u56db\u9636\u6bb5 <\/span><\/p>\n

2. <\/span>\u8bed\u6cd5\u7c7b：\u811a\u672c\u5143\u7d20（\u58f0\u660e\/\u8868\u8fbe\u5f0f\/\u811a\u672c\u2f29\u7a0b\u5e8f）\u3001\u6307\u4ee4（page\/include\/taglib）\u3001\u6838\u2f3c\u52a8\u4f5c\u5143\u7d20 <\/span><\/p>\n

3. <\/span>\u5bf9\u8c61\u7c7b：9\u4e2a\u9690\u542b\u5bf9\u8c61\u7684\u7c7b\u578b\u3001\u2f64\u9014\u3001\u5e38\u2f64\u2f45\u6cd5（request\/response\/session\/out\u91cd\u70b9） <\/span><\/p>\n

4. <\/span>\u5e94\u2f64\u7c7b：\u8868\u5355\u5904\u7406（GET\/POST\u533a\u522b\u3001\u53c2\u6570\u83b7\u53d6）\u3001Session\u4f1a\u8bdd\u7ba1\u7406\u3001JavaBean\u7ec4\u4ef6\u8c03\u2f64 <\/span><\/p>\n

5. <\/span>\u7f16\u7a0b\u9898：\u52a8\u6001\u2f63\u6210\u2eda\u2faf\u5185\u5bb9\u3001\u8868\u5355\u6570\u636e\u5904\u7406\u3001Session\u6570\u636e\u5b58\u50a8\u4e0e\u5c55\u2f70\u3001JSP\u4e0eJavaBean\u7ed3\u5408 <\/span><\/p>\n

\u2f0b\u3001\u590d\u4e60\u5efa\u8bae <\/span><\/p>\n

1. <\/span>\u91cd\u70b9\u638c\u63e1\u2f63\u547d\u5468\u671f\u3001\u9690\u542b\u5bf9\u8c61\u3001\u8868\u5355\u5904\u7406\u3001Session\u56db\u2f24\u6a21\u5757，\u5360\u8003\u8bd5\u5206\u503c60%\u4ee5\u4e0a <\/span><\/p>\n

2. <\/span>\u7ed3\u5408\u5b9e\u4f8b\u4ee3\u7801\u7406\u89e3\u8bed\u6cd5（\u5982\u2f63\u547d\u5468\u671f\u5b9e\u4f8b\u3001\u8868\u5355\u5904\u7406\u5b9e\u4f8b），\u907f\u514d\u6b7b\u8bb0\u786c\u80cc <\/span><\/p>\n

3. <\/span>\u533a\u5206\u6613\u6df7\u6dc6\u77e5\u8bc6\u70b9（\u5982JSP\u6ce8\u91cavs HTML\u6ce8\u91ca\u3001GET vs POST\u3001page\u6307\u4ee4vs include\u6307\u4ee4） <\/span><\/p>\n

4. <\/span>\u7ec3\u4e60\u7f16\u7a0b\u9898：\u52a8\u6001\u663e\u2f70\u65f6\u95f4\u3001\u8868\u5355\u6570\u636e\u63d0\u4ea4\u4e0e\u9a8c\u8bc1\u3001\u4f1a\u8bdd\u8bbf\u95ee\u6b21\u6570\u7edf\u8ba1\u3001JavaBean\u5c5e\u6027\u64cd\u4f5c <\/span><\/p>\n

Ch6 JavaBean & EL & JSTL <\/span><\/p>\n

\u2f00\u3001JavaBean \u6838\u2f3c\u77e5\u8bc6\u70b9 <\/span><\/p>\n

（\u2f00）\u5b9a\u4e49\u4e0e\u6838\u2f3c\u4f5c\u2f64 <\/span><\/p>\n

JavaBean \u662f\u9075\u5faa JavaBeans API \u89c4\u8303 \u7684 Java \u7c7b，\u6838\u2f3c\u4f5c\u2f64\u662f\u5c01\u88c5\u6570\u636e\u548c\u529f\u80fd，\u5b9e\u73b0\u201c\u2f00\u6b21\u7f16\u5199， <\/span><\/p>\n

\u5230\u5904\u8fd0\u2f8f\u201d，\u4fbf\u4e8e\u6570\u636e\u79fb\u690d\u548c\u590d\u2f64\u3002 <\/span><\/p>\n

（\u2f06）\u5fc5\u80cc\u89c4\u8303（\u8003\u8bd5\u2fbc\u9891\u8003\u70b9） <\/span><\/p>\n

1. <\/span>\u63d0\u4f9b public \u4fee\u9970\u7684\u2f46\u53c2\u6784\u9020\u2f45\u6cd5（\u2f64\u4e8e\u5b9e\u4f8b\u5316\u5bf9\u8c61）； <\/span><\/p>\n

2. <\/span>\u5b9e\u73b0 <\/span>java.io.Serializable <\/span>\u63a5\u2f1d（\u2f64\u4e8e\u4fdd\u5b58\u5bf9\u8c61\u72b6\u6001，\u5e8f\u5217\u5316）； <\/span><\/p>\n

3. <\/span>\u5305\u542b\u53ef\u8bfb\u5199\u3001\u53ea\u8bfb\u6216\u53ea\u5199\u7684\u5c5e\u6027（\u2f40\u6301\u4efb\u610f\u5408\u6cd5 Java \u6570\u636e\u7c7b\u578b，\u542b\u2f83\u5b9a\u4e49\u7c7b）； <\/span><\/p>\n

4. <\/span>\u63d0\u4f9b\u5bf9\u5e94\u5c5e\u6027\u7684 getter\/setter \u2f45\u6cd5（\u8bfb\u53d6\/\u8bbe\u7f6e\u5c5e\u6027\u503c）： <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11<\/span>\u25e6 <\/span><\/p>\n

\u53ea\u8bfb\u5c5e\u6027：\u4ec5\u63d0\u4f9b <\/span>getPropertyName() <\/span>； <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u53ea\u5199\u5c5e\u6027：\u4ec5\u63d0\u4f9b <\/span>setPropertyName() <\/span>\u3002 <\/span><\/p>\n

（\u4e09）JSP \u4e2d\u8bbf\u95ee JavaBean <\/span><\/p>\n

1. \u58f0\u660e JavaBean： <\/span><jsp:useBean> <\/span>\u6807\u7b7e <\/span><\/p>\n

\u8bed\u6cd5： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<jsp:useBean id=<\/span>"beanId" <\/span>scope=<\/span>"<\/span>\u4f5c\u2f64\u57df<\/span>" <\/span>class=<\/span>"<\/span>\u5168\u7c7b\u540d<\/span>"<\/span>\/> <\/span><\/p>\n

\u2022 <\/span><\/p>\n

id <\/span>：Bean \u5b9e\u4f8b\u540d\u79f0（\u552f\u2f00，\u4e0d\u53ef\u91cd\u590d）； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

scope <\/span>：\u4f5c\u2f64\u57df（\u53ef\u9009\u503c： <\/span>page <\/span>（\u9ed8\u8ba4）\u3001 <\/span>request <\/span>\u3001 <\/span>session <\/span>\u3001 <\/span>application <\/span>）； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f70\u4f8b： <\/span><%@ page import="java.util.Date" %><jsp:useBean id="date" <\/span><\/p>\n

class="java.util.Date" \/> <\/span><\/p>\n

2. \u64cd\u4f5c\u5c5e\u6027： <\/span><jsp:getProperty> <\/span>\u4e0e <\/span><jsp:setProperty> <\/span><\/p>\n

\u8bed\u6cd5（\u5d4c\u5957\u5728 <\/span><jsp:useBean> <\/span>\u4e3b\u4f53\u4e2d）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<jsp:useBean id=<\/span>"beanId" <\/span>class=<\/span>"<\/span>\u5168\u7c7b\u540d<\/span>"<\/span>> <\/span><\/p>\n

<jsp:setProperty name=<\/span>"beanId" <\/span>property=<\/span>"<\/span>\u5c5e\u6027\u540d<\/span>" <\/span>value=<\/span>"<\/span>\u503c<\/span>"<\/span>\/> <!– <\/span>\u8c03\u2f64 <\/span><\/p>\n

setter –> <\/span><\/p>\n

<jsp:getProperty name=<\/span>"beanId" <\/span>property=<\/span>"<\/span>\u5c5e\u6027\u540d<\/span>"<\/span>\/> <!– <\/span>\u8c03\u2f64<\/span>getter –> <\/span><\/p>\n

<\/jsp:useBean> <\/span><\/p>\n

\u2022 <\/span><\/p>\n

name <\/span>\u5fc5\u987b\u4e0e <\/span><jsp:useBean> <\/span>\u7684 <\/span>id <\/span>\u2f00\u81f4； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f70\u4f8b：\u8bbf\u95ee <\/span>StudentsBean <\/span>\u7684\u5c5e\u6027（\u2f42\u6863\u6838\u2f3c\u2f70\u4f8b，\u9700\u638c\u63e1）\u3002 <\/span><\/p>\n

（\u56db）\u5178\u578b\u2f70\u4f8b\u4ee3\u7801（\u9700\u80fd\u9ed8\u5199\u6838\u2f3c\u7ed3\u6784） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

public class <\/span>StudentsBean <\/span>implements <\/span>java<\/span>.io.Serializable { <\/span><\/p>\n

private <\/span>String firstName; <\/span><\/p>\n

private <\/span>int <\/span>age; <\/span><\/p>\n

\/\/ <\/span>\u2f46\u53c2\u6784\u9020（\u5fc5\u5199） <\/span><\/p>\n

public <\/span>StudentsBean<\/span>() {} <\/span><\/p>\n

1 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7<\/span>\/\/ getter <\/span>\u2f45\u6cd5 <\/span><\/p>\n

public <\/span>String <\/span>getFirstName<\/span>() { <\/span>return <\/span>firstName; } <\/span><\/p>\n

public <\/span>int <\/span>getAge<\/span>() { <\/span>return <\/span>age; } <\/span><\/p>\n

\/\/ setter <\/span>\u2f45\u6cd5 <\/span><\/p>\n

public void <\/span>setFirstName<\/span>(String firstName) { <\/span>this<\/span>.firstName = firstName; } <\/span><\/p>\n

public void <\/span>setAge<\/span>(Integer age) { <\/span>this<\/span>.age = age; } <\/span><\/p>\n

} <\/span><\/p>\n

\u2f06\u3001EL \u8868\u8fbe\u5f0f（Expression Language） <\/span><\/p>\n

（\u2f00）\u6838\u2f3c\u4f5c\u2f64\u4e0e\u7279\u70b9 <\/span><\/p>\n

1. <\/span>\u66ff\u6362 JSP \u811a\u672c\u8868\u8fbe\u5f0f <\/span><%= %> <\/span>，\u7b80\u5316\u6570\u636e\u8bbf\u95ee（JavaBean\u3001\u6570\u7ec4\u3001\u96c6\u5408\u3001\u8bf7\u6c42\u53c2\u6570\u7b49）； <\/span><\/p>\n

2. <\/span>\u2f83\u52a8\u7c7b\u578b\u8f6c\u6362（\u2f46\u9700\u2f3f\u52a8\u5f3a\u5236\u8f6c\u6362，\u5982 <\/span>request <\/span>\u57df\u4e2d Object \u7c7b\u578b\u6570\u636e）； <\/span><\/p>\n

3. <\/span>\u2f40\u6301\u7b97\u672f\u3001\u903b\u8f91\u3001\u5173\u7cfb\u64cd\u4f5c\u7b26，\u2f40\u6301\u9690\u5f0f\u5bf9\u8c61\u76f4\u63a5\u8bbf\u95ee\u3002 <\/span><\/p>\n

（\u2f06）\u57fa\u7840\u8bed\u6cd5 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8868\u8fbe\u5f0f\u683c\u5f0f： <\/span>${<\/span>\u8868\u8fbe\u5f0f\u5185\u5bb9<\/span>} <\/span>； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u505c\u2f64 EL：\u5728 JSP \u5934\u90e8\u6dfb\u52a0 <\/span><%@ page isELIgnored="true" %> <\/span>（\u9ed8\u8ba4 <\/span>false <\/span>，\u8ba1\u7b97\u8868 <\/span><\/p>\n

\u8fbe\u5f0f）\u3002 <\/span><\/p>\n

（\u4e09）\u6838\u2f3c\u64cd\u4f5c\u7b26（\u2fbc\u9891\u8003\u70b9） <\/span><\/p>\n

\u64cd\u4f5c\u7b26 <\/span><\/p>\n

\u2f64\u9014 <\/span><\/p>\n

\u5173\u952e\u533a\u522b\/\u6ce8\u610f\u4e8b\u9879 <\/span><\/p>\n

. <\/span><\/p>\n

\u8bbf\u95ee JavaBean \u5c5e\u6027\u3001\u96c6\u5408\u5143 <\/span><\/p>\n

\u7d20 <\/span><\/p>\n

\u5c5e\u6027\u540d\u2f46\u7279\u6b8a\u5b57\u7b26\u65f6\u4f7f\u2f64 <\/span><\/p>\n

[] <\/span><\/p>\n

\u8bbf\u95ee\u7279\u6b8a\u5b57\u7b26\u5c5e\u6027（\u5982 <\/span><\/p>\n

user-agent <\/span>）\u3001\u52a8\u6001\u53d6\u503c <\/span><\/p>\n

\u4f8b： <\/span>${header["user<\/span><\/p>\n

agent"]} <\/span>\u3001 <\/span><\/p>\n

${map[key]} <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u7b97\u672f\/\u903b\u8f91\u64cd\u4f5c\u7b26：\u2f40\u6301 <\/span>+<\/span>\u3001<\/span>–<\/span>\u3001<\/span>*<\/span>\u3001<\/span>\/<\/span>\u3001<\/span>%<\/span>\u3001<\/span>&&<\/span>\u3001<\/span>||<\/span>\u3001<\/span>!<\/span>\u3001<\/span>==<\/span>\u3001<\/span>!= <\/span>\u7b49（\u4e0e Java \u2f00\u81f4）； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u62ec\u53f7\u4f18\u5148\u7ea7： <\/span>${(1+2)*3} <\/span>\u7ed3\u679c\u4e3a 9（\u9700\u638c\u63e1\u8fd0\u7b97\u4f18\u5148\u7ea7）\u3002 <\/span><\/p>\n

（\u56db）EL \u9690\u542b\u5bf9\u8c61（\u9700\u719f\u8bb0\u2f64\u9014） <\/span><\/p>\n

\u9690\u542b\u5bf9\u8c61 <\/span><\/p>\n

\u2f64\u9014 <\/span><\/p>\n

\u2f70\u4f8b <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15<\/span>pageContext <\/span><\/p>\n

\u8bbf\u95ee JSP \u5185\u7f6e\u5bf9\u8c61（\u5982 <\/span><\/p>\n

request\u3001session） <\/span><\/p>\n

${pageContext.request. <\/span><\/p>\n

queryString} <\/span><\/p>\n

pageScope\/requestScope <\/span><\/p>\n

\/sessionScope\/applicat <\/span><\/p>\n

ionScope <\/span><\/p>\n

\u663e\u5f0f\u8bbf\u95ee\u6307\u5b9a\u4f5c\u2f64\u57df\u7684\u53d8\u91cf <\/span><\/p>\n

${applicationScope.bo <\/span><\/p>\n

x} <\/span>（\u8bbf\u95ee application \u57df\u7684 <\/span><\/p>\n

box \u53d8\u91cf） <\/span><\/p>\n

param <\/span><\/p>\n

\u8bbf\u95ee\u5355\u4e2a\u8bf7\u6c42\u53c2\u6570（\u5bf9\u5e94 <\/span><\/p>\n

request.getParameter( <\/span><\/p>\n

) <\/span>） <\/span><\/p>\n

${param.username} <\/span>（\u83b7 <\/span><\/p>\n

\u53d6 username \u53c2\u6570） <\/span><\/p>\n

paramValues <\/span><\/p>\n

\u8bbf\u95ee\u591a\u4e2a\u540c\u540d\u8bf7\u6c42\u53c2\u6570（\u8fd4\u56de <\/span><\/p>\n

\u5b57\u7b26\u4e32\u6570\u7ec4） <\/span><\/p>\n

${paramValues.hobby[0 <\/span><\/p>\n

]} <\/span>（\u83b7\u53d6\u7b2c\u2f00\u4e2a hobby \u53c2 <\/span><\/p>\n

\u6570） <\/span><\/p>\n

header <\/span><\/p>\n

\u8bbf\u95ee\u5355\u4e2a\u8bf7\u6c42\u5934（\u5bf9\u5e94 <\/span><\/p>\n

request.getHeader() <\/span>） <\/span><\/p>\n

${header["user<\/span><\/p>\n

agent"]} <\/span><\/p>\n

headerValues <\/span><\/p>\n

\u8bbf\u95ee\u591a\u4e2a\u540c\u540d\u8bf7\u6c42\u5934（\u8fd4\u56de\u5b57 <\/span><\/p>\n

\u7b26\u4e32\u6570\u7ec4） <\/span><\/p>\n

${headerValues.accept <\/span><\/p>\n

[1]} <\/span><\/p>\n

（\u4e94）EL \u51fd\u6570 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8bed\u6cd5： <\/span>${ns:func(<\/span>\u53c2\u6570<\/span>1, <\/span>\u53c2\u6570<\/span>2,…)} <\/span>（ <\/span>ns <\/span>\u4e3a\u547d\u540d\u7a7a\u95f4， <\/span>func <\/span>\u4e3a\u51fd\u6570\u540d）； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5e38\u2f64\u2f70\u4f8b： <\/span>fn:length <\/span>（\u83b7\u53d6\u5b57\u7b26\u4e32\/\u96c6\u5408\u2ed3\u5ea6）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<%@ taglib prefix=<\/span>"fn" <\/span>uri=<\/span>"http:\/\/java.sun.com\/jsp\/jstl\/functions" <\/span>%> <\/span><\/p>\n

${fn:length(<\/span>"Hello EL"<\/span>)} <!– <\/span>\u7ed3\u679c\u4e3a <\/span>6 <\/span>–> <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6ce8\u610f：\u4f7f\u2f64\u524d\u9700\u901a\u8fc7 <\/span><taglib> <\/span>\u5f15\u2f0a\u5bf9\u5e94\u6807\u7b7e\u5e93\u3002 <\/span><\/p>\n

\u4e09\u3001JSTL \u6807\u7b7e\u5e93（JavaServer Pages Standard Tag Library） <\/span><\/p>\n

（\u2f00）\u6838\u2f3c\u6982\u5ff5\u4e0e\u5b89\u88c5 <\/span><\/p>\n

1. <\/span>\u5b9a\u4e49：JSP \u6807\u51c6\u6807\u7b7e\u96c6\u5408，\u5c01\u88c5\u901a\u2f64\u6838\u2f3c\u529f\u80fd（\u8fed\u4ee3\u3001\u6761\u4ef6\u5224\u65ad\u3001\u683c\u5f0f\u5316\u3001XML \u64cd\u4f5c\u7b49）； <\/span><\/p>\n

2. <\/span>\u5b89\u88c5\u6b65\u9aa4（\u9700\u638c\u63e1）： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u4e0b\u8f7d <\/span>jakarta-taglibs-standard <\/span>\u5305，\u89e3\u538b\u540e\u5c06 <\/span>standard.jar <\/span>\u548c <\/span>jstl.jar <\/span>\u62f7 <\/span><\/p>\n

\u2ec9\u5230 <\/span>WEB-INF\/lib <\/span>\u4e0b； <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6bcf\u4e2a JSP \u2f42\u4ef6\u5934\u90e8\u9700\u901a\u8fc7 <\/span><taglib> <\/span>\u5f15\u2f0a\u5bf9\u5e94\u6807\u7b7e\u5e93（\u6838\u2f3c\u6807\u7b7e\u5e93\u4e3a\u5fc5\u8003）\u3002 <\/span><\/p>\n

（\u2f06）\u6838\u2f3c\u6807\u7b7e\u5e93（\u524d\u7f00 <\/span>c <\/span>，\u5fc5\u8003\u91cd\u70b9） <\/span><\/p>\n

1 <\/span><\/p>\n

2<\/span>\u5f15\u2f0a\u8bed\u6cd5： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<%@ taglib prefix=<\/span>"c" <\/span>uri=<\/span>"http:\/\/java.sun.com\/jsp\/jstl\/core" <\/span>%> <\/span><\/p>\n

1. \u8868\u8fbe\u5f0f\u63a7\u5236\u6807\u7b7e <\/span><\/p>\n

\u6807\u7b7e <\/span><\/p>\n

\u2f64\u9014 <\/span><\/p>\n

\u6838\u2f3c\u8bed\u6cd5 <\/span><\/p>\n

<c:out> <\/span><\/p>\n

\u8f93\u51fa\u6570\u636e（\u66ff\u6362 <\/span><%= <\/span><\/p>\n

%> <\/span>），\u2f40\u6301\u9ed8\u8ba4\u503c <\/span><\/p>\n

<c:out value="<\/span>\u6570\u636e<\/span>" <\/span><\/p>\n

default="<\/span>\u9ed8\u8ba4\u503c<\/span>" <\/span><\/p>\n

escapeXml="true"\/> <\/span><\/p>\n

（ <\/span>escapeXml <\/span>\u63a7\u5236\u662f\u5426\u8f6c <\/span><\/p>\n

\u4e49\u7279\u6b8a\u5b57\u7b26） <\/span><\/p>\n

<c:set> <\/span><\/p>\n

\u5b58\u50a8\u53d8\u91cf\u5230\u6307\u5b9a\u4f5c\u2f64\u57df\u6216 <\/span><\/p>\n

JavaBean \u5c5e\u6027 <\/span><\/p>\n

\u2460 \u5b58\u53d8\u91cf： <\/span><c:set <\/span><\/p>\n

var="name" value="<\/span>\u503c<\/span>" <\/span><\/p>\n

scope="page"\/> <\/span>；\u2461 \u5b58 <\/span><\/p>\n

JavaBean： <\/span><c:set <\/span><\/p>\n

target="beanId" <\/span><\/p>\n

property="<\/span>\u5c5e\u6027\u540d<\/span>" <\/span><\/p>\n

value="<\/span>\u503c<\/span>"\/> <\/span><\/p>\n

<c:remove> <\/span><\/p>\n

\u79fb\u9664\u6307\u5b9a\u4f5c\u2f64\u57df\u7684\u53d8\u91cf <\/span><\/p>\n

<c:remove var="<\/span>\u53d8\u91cf <\/span><\/p>\n

\u540d<\/span>" scope="page"\/> <\/span><\/p>\n

（ <\/span>scope <\/span>\u53ef\u9009） <\/span><\/p>\n

<c:catch> <\/span><\/p>\n

\u6355\u83b7\u2eda\u2faf\u5f02\u5e38 <\/span><\/p>\n

<c:catch var="ex"><\/span>\u53ef\u80fd <\/span><\/p>\n

\u51fa\u9519\u7684\u4ee3\u7801<\/span><\/c:catch> <\/span><\/p>\n

（ <\/span>var <\/span>\u5b58\u50a8\u5f02\u5e38\u4fe1\u606f） <\/span><\/p>\n

2. \u6d41\u7a0b\u63a7\u5236\u6807\u7b7e（\u8003\u8bd5\u4ee3\u7801\u9898\u2fbc\u9891） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

<c:if> <\/span>：\u5355\u6761\u4ef6\u5224\u65ad（\u7c7b\u4f3c Java \u7684 if）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<c:<\/span>if <\/span>test=<\/span>"${param.age > 18}" <\/span>var<\/span>=<\/span>"isAdult" <\/span>scope=<\/span>"request"<\/span>> <\/span><\/p>\n

\u6210\u5e74\u2f08 <\/span><\/p>\n

<\/c:<\/span>if<\/span>> <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

test <\/span>：\u6761\u4ef6（\u5fc5\u987b\u2f64 EL \u8868\u8fbe\u5f0f）； <\/span>var <\/span>\u5b58\u50a8\u5224\u65ad\u7ed3\u679c（true\/false）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

<c:choose><\/span>\u3001<\/span><c:when><\/span>\u3001<\/span><c:otherwise> <\/span>：\u591a\u6761\u4ef6\u5224\u65ad（\u7c7b\u4f3c Java \u7684 if-else if-else）： <\/span><\/p>\n

1 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3<\/span>\u2022 <\/span><\/p>\n

\u591a\u6761\u4ef6\u5224\u65ad（\u7c7b\u4f3c <\/span><\/p>\n

） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<c:choose> <\/span><\/p>\n

<c:when test=<\/span>"${score >= 90}"<\/span>><\/span>\u4f18\u79c0<\/span><\/c:when> <\/span><\/p>\n

<c:when test=<\/span>"${score >= 60}"<\/span>><\/span>\u53ca\u683c<\/span><\/c:when> <\/span><\/p>\n

<c:otherwise><\/span>\u4e0d\u53ca\u683c<\/span><\/c:otherwise> <\/span><\/p>\n

<\/c:choose> <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6ce8\u610f： <\/span><c:choose> <\/span>\u662f\u2f57\u6807\u7b7e， <\/span><c:otherwise> <\/span>\u53ea\u80fd\u51fa\u73b0\u2f00\u6b21\u3002 <\/span><\/p>\n

3. \u5faa\u73af\u6807\u7b7e <\/span><\/p>\n

\u6807\u7b7e <\/span><\/p>\n

\u2f64\u9014 <\/span><\/p>\n

\u6838\u2f3c\u5c5e\u6027\u4e0e\u8bed\u6cd5 <\/span><\/p>\n

<c:forEach> <\/span><\/p>\n

\u904d\u5386\u96c6\u5408（List\u3001Map）\u6216\u6570 <\/span><\/p>\n

\u7ec4 <\/span><\/p>\n

<c:forEach var="item" <\/span><\/p>\n

items="${list}" <\/span><\/p>\n

begin="0" end="4" <\/span><\/p>\n

step="1" <\/span><\/p>\n

varStatus="status">${i <\/span><\/p>\n

tem}<\/c:forEach> <\/span><\/p>\n

\u5c5e\u6027\u8bf4\u660e： <\/span>var <\/span>（\u5f53\u524d\u5143\u7d20 <\/span><\/p>\n

\u53d8\u91cf）\u3001 <\/span>items <\/span>（\u5f85\u904d\u5386\u96c6 <\/span><\/p>\n

\u5408）\u3001 <\/span>begin <\/span>（\u8d77\u59cb\u7d22 <\/span><\/p>\n

\u5f15）\u3001 <\/span>end <\/span>（\u7ed3\u675f\u7d22\u5f15）\u3001 <\/span><\/p>\n

step <\/span>（\u6b65\u2ed3）\u3001 <\/span><\/p>\n

varStatus <\/span>（\u72b6\u6001\u5bf9\u8c61， <\/span><\/p>\n

\u542b <\/span>index <\/span>（\u7d22\u5f15）\u3001 <\/span><\/p>\n

count <\/span>（\u8ba1\u6570）\u7b49） <\/span><\/p>\n

<c:forTokens> <\/span><\/p>\n

\u6309\u5206\u9694\u7b26\u622a\u53d6\u5b57\u7b26\u4e32 <\/span><\/p>\n

<c:forTokens <\/span><\/p>\n

items="a,b,c" <\/span><\/p>\n

delims="," <\/span><\/p>\n

var="str">${str} <\/span><\/p>\n

<\/c:forTokens> <\/span><\/p>\n

（ <\/span>delims <\/span>\u4e3a\u5206\u9694\u7b26） <\/span><\/p>\n

4. URL \u64cd\u4f5c\u6807\u7b7e <\/span><\/p>\n

\u6807\u7b7e <\/span><\/p>\n

\u2f64\u9014 <\/span><\/p>\n

\u6838\u2f3c\u8bed\u6cd5 <\/span><\/p>\n

<c:import> <\/span><\/p>\n

\u5305\u542b\u5916\u90e8\u8d44\u6e90（\u2f40\u6301\u8de8 web <\/span><\/p>\n

\u5e94\u2f64\u3001\u2f79\u7edc\u8d44\u6e90） <\/span><\/p>\n

<c:import <\/span><\/p>\n

url="<\/span>http:\/\/localhost: <\/span><\/p>\n

8080\/books.xml<\/span>" <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5<\/span>var="bookInfo"\/> <\/span>（\u533a\u522b <\/span><\/p>\n

\u4e8e <\/span><jsp:include> <\/span>：\u4ec5\u80fd <\/span><\/p>\n

\u5305\u542b\u672c\u5e94\u2f64\u8d44\u6e90） <\/span><\/p>\n

<c:redirect> <\/span><\/p>\n

\u91cd\u5b9a\u5411\u2eda\u2faf（\u2f40\u6301\u5e26\u53c2\u6570） <\/span><\/p>\n

<c:redirect <\/span><\/p>\n

url="login.jsp"> <\/span><\/p>\n

<c:param name="msg" <\/span><\/p>\n

value="error"\/> <\/span><\/p>\n

<\/c:redirect> <\/span><\/p>\n

<c:url> <\/span><\/p>\n

\u52a8\u6001\u2f63\u6210 URL（\u2f40\u6301\u5b58\u50a8\u5230 <\/span><\/p>\n

\u4f5c\u2f64\u57df） <\/span><\/p>\n

<c:url <\/span><\/p>\n

value="user.jsp" <\/span><\/p>\n

var="userUrl" <\/span><\/p>\n

scope="request"> <\/span><\/p>\n

<c:param name="id" <\/span><\/p>\n

value="1"\/><\/c:url> <\/span><\/p>\n

（\u4e09）\u683c\u5f0f\u5316\u6807\u7b7e\u5e93（\u524d\u7f00 <\/span>fmt <\/span>，\u91cd\u70b9\u8003\u67e5\u2f47\u671f\/\u6570\u5b57\u683c\u5f0f\u5316） <\/span><\/p>\n

\u5f15\u2f0a\u8bed\u6cd5： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<%@ taglib prefix=<\/span>"fmt" <\/span>uri=<\/span>"http:\/\/java.sun.com\/jsp\/jstl\/fmt" <\/span>%> <\/span><\/p>\n

\u6838\u2f3c\u6807\u7b7e： <\/span><\/p>\n

1. <\/span><fmt:formatNumber> <\/span>：\u683c\u5f0f\u5316\u6570\u5b57\u3001\u8d27\u5e01\u3001\u767e\u5206\u2f50： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<fmt:formatNumber value=<\/span>"1234.56" <\/span>type=<\/span>"currency" <\/span>currencyCode=<\/span>"CNY"<\/span>\/> <!– <\/span><\/p>\n

\u683c\u5f0f\u5316\u4e3a\u2f08\u2ea0\u5e01 <\/span>–> <\/span><\/p>\n

2. <\/span><fmt:formatDate> <\/span>：\u683c\u5f0f\u5316\u2f47\u671f\/\u65f6\u95f4： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<fmt:formatDate value=<\/span>"${new java.util.Date()}" <\/span>pattern=<\/span>"yyyy-MM-dd <\/span><\/p>\n

HH:mm:ss"<\/span>\/> <!– <\/span>\u683c\u5f0f\u5316\u4e3a <\/span>2024<\/span>–<\/span>12<\/span>–<\/span>25 14<\/span>:<\/span>30<\/span>:<\/span>00 <\/span>–> <\/span><\/p>\n

3. <\/span><fmt:parseNumber> <\/span>\/ <\/span><fmt:parseDate> <\/span>：\u5c06\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u89e3\u6790\u4e3a\u6570\u5b57\/\u2f47\u671f\u5bf9\u8c61（\u9700\u638c\u63e1 <\/span><\/p>\n

\u8bed\u6cd5\u7ed3\u6784）\u3002 <\/span><\/p>\n

1 <\/span><\/p>\n

1 <\/span><\/p>\n

1<\/span>（\u56db）XML \u6807\u7b7e\u5e93（\u524d\u7f00 <\/span>x <\/span>） <\/span><\/p>\n

1. <\/span>\u5f15\u2f0a\u8bed\u6cd5： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<%@ taglib prefix=<\/span>"x" <\/span>uri=<\/span>"http:\/\/java.sun.com\/jsp\/jstl\/xml" <\/span>%> <\/span><\/p>\n

2. <\/span>\u4f9d\u8d56\u5305：\u9700\u5c06 <\/span>XercesImpl.jar <\/span>\u548c <\/span>xalan.jar <\/span>\u62f7\u2ec9\u5230 <\/span>WEB-INF\/lib <\/span>\u4e0b； <\/span><\/p>\n

3. <\/span>\u6838\u2f3c\u6807\u7b7e： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

<x:parse> <\/span>：\u89e3\u6790 XML \u6570\u636e（\u5982\u4ece\u2f42\u4ef6\u6216\u53d8\u91cf\u8bfb\u53d6）； <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

<x:transform> <\/span>：\u4f7f\u2f64 XSLT \u6837\u5f0f\u8868\u683c\u5f0f\u5316 XML（\u9700\u638c\u63e1\u2f70\u4f8b\u4ee3\u7801\u7ed3\u6784）\u3002 <\/span><\/p>\n

（\u4e94）SQL \u6807\u7b7e\u5e93（\u524d\u7f00 <\/span>sql <\/span>） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5f15\u2f0a\u8bed\u6cd5： <\/span><%@ taglib prefix="sql" <\/span><\/p>\n

uri="<\/span>http:\/\/java.sun.com\/jsp\/jstl\/sql<\/span>" %> <\/span>； <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f5c\u2f64：\u7b80\u5316 JSP \u4e0e\u5173\u7cfb\u578b\u6570\u636e\u5e93（Oracle\u3001MySQL\u3001SQL Server）\u7684\u4ea4\u4e92（\u9700\u4e86\u89e3\u6838\u2f3c\u2f64\u9014，\u638c <\/span><\/p>\n

\u63e1\u6807\u7b7e\u5e93\u5f15\u2f0a\u8bed\u6cd5）\u3002 <\/span><\/p>\n

\u56db\u3001JSP \u5904\u7406 XML \u6570\u636e <\/span><\/p>\n

（\u2f00）\u53d1\u9001 XML \u5185\u5bb9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c：\u8bbe\u7f6e\u2eda\u2faf contentType \u4e3a <\/span>text\/xml <\/span>： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<%@ page contentType=<\/span>"text\/xml" <\/span>%> <\/span><\/p>\n

<books> <\/span><\/p>\n

<book><name>Padam History<\/name><\/book> <\/span><\/p>\n

<\/books> <\/span><\/p>\n

（\u2f06）\u89e3\u6790 XML \u6570\u636e（ <\/span><x:parse> <\/span>） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<c:<\/span>import var<\/span>=<\/span>"bookXml" <\/span>url=<\/span>"http:\/\/localhost:8080\/books.xml"<\/span>\/> <\/span><\/p>\n

<x:parse xml=<\/span>"${bookXml}" <\/span>var<\/span>=<\/span>"xmlObj"<\/span>\/> <\/span><\/p>\n

<x:out select=<\/span>"$xmlObj\/books\/book[1]\/name"<\/span>\/> <!– <\/span>\u8f93\u51fa\u7b2c\u2f00\u672c\u4e66\u7684\u540d\u79f0 <\/span>–> <\/span><\/p>\n

1 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3<\/span>（\u4e09）\u683c\u5f0f\u5316 XML（ <\/span><x:transform> <\/span>） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u9700\u7ed3\u5408 XSLT \u6837\u5f0f\u8868： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<c:set <\/span>var<\/span>=<\/span>"xmlData"<\/span>><books>…<\/books><\/c:set> <\/span><\/p>\n

<c:<\/span>import var<\/span>=<\/span>"xsltStyle" <\/span>url=<\/span>"style.xsl"<\/span>\/> <\/span><\/p>\n

<x:transform xml=<\/span>"${xmlData}" <\/span>xslt=<\/span>"${xsltStyle}"<\/span>\/> <!– <\/span>\u6309 <\/span>XSLT <\/span>\u683c\u5f0f\u8f93\u51fa <\/span>–> <\/span><\/p>\n

\u4e94\u3001\u2f83\u5b9a\u4e49\u6807\u7b7e（\u5fc5\u8003\u6d41\u7a0b） <\/span><\/p>\n

（\u2f00）\u6838\u2f3c\u6b65\u9aa4（\u9700\u9ed8\u5199\u5b8c\u6574\u6d41\u7a0b） <\/span><\/p>\n

1. <\/span>\u521b\u5efa\u6807\u7b7e\u5904\u7406\u7c7b：\u7ee7\u627f <\/span>SimpleTagSupport <\/span>，\u91cd\u5199 <\/span>doTag() <\/span>\u2f45\u6cd5： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

import <\/span>javax.servlet.jsp.tagext.SimpleTagSupport; <\/span><\/p>\n

import <\/span>javax.servlet.jsp.JspException; <\/span><\/p>\n

import <\/span>java.io.IOException; <\/span><\/p>\n

public class <\/span>HelloTag <\/span>extends <\/span>SimpleTagSupport <\/span>{ <\/span><\/p>\n

private <\/span>String message; <\/span>\/\/ <\/span>\u2f83\u5b9a\u4e49\u5c5e\u6027 <\/span><\/p>\n

\/\/ <\/span>\u5c5e\u6027\u7684 <\/span>setter <\/span>\u2f45\u6cd5（\u5fc5\u987b\u4e0e\u5c5e\u6027\u540d\u2f00\u81f4） <\/span><\/p>\n

public void <\/span>setMessage<\/span>(String message) { <\/span>this<\/span>.message = message; } <\/span><\/p>\n

@Override <\/span><\/p>\n

public void <\/span>doTag<\/span>() <\/span>throws <\/span>JspException, IOException { <\/span><\/p>\n

getJspContext().getOut().println(message); <\/span>\/\/ <\/span>\u8f93\u51fa\u5185\u5bb9 <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

2. <\/span>\u521b\u5efa TLD（\u6807\u7b7e\u5e93\u63cf\u8ff0\u2f42\u4ef6）：\u653e\u5728 <\/span>WEB-INF <\/span>\u2f6c\u5f55\u4e0b（\u5982 <\/span>custom.tld <\/span>）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<<\/span>taglib<\/span>> <\/span><\/p>\n

<<<\/span>tlib-version<\/span>>1.0<\/<\/<\/span>tlib-version<\/span>> <\/span><\/p>\n

<<\/span>jsp-version<\/span>>2.0<\/<\/span>jsp-version<\/span>> <\/span><\/p>\n

<<\/span>short-name<\/span>>ex<\/<\/span>short-name<\/span>> <\/span><!– <\/span>\u6807\u7b7e\u524d\u7f00 <\/span>–> <\/span><\/p>\n

<<\/span>tag<\/span>> <\/span><\/p>\n

<<\/span>name<\/span>>Hello<\/<\/span>name<\/span>> <\/span><!– <\/span>\u6807\u7b7e\u540d <\/span>–> <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6<\/span><<\/span>tag-class<\/span>>com.tutorialspoint.HelloTag<\/<\/span>tag-class<\/span>> <\/span><!– <\/span>\u5904\u7406\u7c7b\u5168\u7c7b\u540d <\/span>– <\/span><\/p>\n

-> <\/span><\/p>\n

<<\/span>body-content<\/span>>scriptless<\/<\/span>body-content<\/span>> <\/span><!– <\/span>\u6807\u7b7e\u4f53\u7c7b\u578b <\/span><\/p>\n

（<\/span>empty\/scriptless<\/span>） <\/span>–> <\/span><\/p>\n

<<\/span>attribute<\/span>> <\/span><!– <\/span>\u2f83\u5b9a\u4e49\u5c5e\u6027\u914d\u7f6e <\/span>–> <\/span><\/p>\n

<<\/span>name<\/span>>message<\/<\/span>name<\/span>> <\/span><!– <\/span>\u5c5e\u6027\u540d <\/span>–> <\/span><\/p>\n

<<\/span>required<\/span>>true<\/<\/span>required<\/span>> <\/span><!– <\/span>\u662f\u5426\u5fc5\u586b <\/span>–> <\/span><\/p>\n

<\/<\/span>attribute<\/span>> <\/span><\/p>\n

<\/<\/span>tag<\/span>> <\/span><\/p>\n

<\/<\/span>taglib<\/span>> <\/span><\/p>\n

3. <\/span>\u5728 JSP \u4e2d\u4f7f\u2f64\u2f83\u5b9a\u4e49\u6807\u7b7e： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<%@ taglib prefix=<\/span>"ex" <\/span>uri=<\/span>"WEB-INF\/custom.tld" <\/span>%> <\/span><\/p>\n

<ex:Hello message=<\/span>"Hello Custom Tag!"<\/span>\/> <!– <\/span>\u8f93\u51fa\u7ed3\u679c <\/span>–> <\/span><\/p>\n

（\u2f06）\u6807\u7b7e\u4f53\u8bbf\u95ee <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u82e5\u6807\u7b7e\u4f53\u9700\u4f20\u2f0a\u5185\u5bb9（ <\/span>body-content="scriptless" <\/span>），\u4fee\u6539 <\/span>doTag() <\/span>： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

StringWriter sw <\/span>= <\/span>new <\/span>StringWriter<\/span>(); <\/span><\/p>\n

getJspBody().invoke(sw); <\/span>\/\/ <\/span>\u8bfb\u53d6\u6807\u7b7e\u4f53\u5185\u5bb9 <\/span><\/p>\n

getJspContext().getOut().println(sw.toString()); <\/span><\/p>\n

\u516d\u3001\u8003\u8bd5\u91cd\u70b9\u63d0\u2f70\u4e0e\u9898\u578b\u9884\u6d4b <\/span><\/p>\n

（\u2f00）\u9009\u62e9\u9898\/\u586b\u7a7a\u9898\u2fbc\u9891\u8003\u70b9 <\/span><\/p>\n

1. <\/span>JavaBean \u7684 4 \u4e2a\u6838\u2f3c\u89c4\u8303； <\/span><\/p>\n

2. <\/span>EL \u64cd\u4f5c\u7b26 <\/span>. <\/span>\u4e0e <\/span>[] <\/span>\u7684\u533a\u522b； <\/span><\/p>\n

3. <\/span>JSTL \u6838\u2f3c\u6807\u7b7e\u7684\u2f64\u9014（\u5982 <\/span><c:forEach> <\/span>\u904d\u5386\u3001 <\/span><c:choose> <\/span>\u591a\u6761\u4ef6\u5224\u65ad）； <\/span><\/p>\n

4. <\/span>EL \u9690\u542b\u5bf9\u8c61\u7684\u5bf9\u5e94\u529f\u80fd（\u5982 <\/span>param <\/span>\u8bbf\u95ee\u8bf7\u6c42\u53c2\u6570）； <\/span><\/p>\n

5. <\/span>\u2f83\u5b9a\u4e49\u6807\u7b7e\u7684 TLD \u2f42\u4ef6\u914d\u7f6e（\u5982 <\/span><tag-class> <\/span>\u3001 <\/span><attribute> <\/span>\u6807\u7b7e）\u3002 <\/span><\/p>\n

（\u2f06）\u7b80\u7b54\u9898\u5fc5\u8003 <\/span><\/p>\n

1. <\/span>\u7b80\u8ff0 JavaBean \u7684\u5b9a\u4e49\u53ca\u6838\u2f3c\u89c4\u8303； <\/span><\/p>\n

2. <\/span>\u7b80\u8ff0 EL \u8868\u8fbe\u5f0f\u7684\u4f5c\u2f64\u4e0e\u7279\u70b9； <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3<\/span>3. <\/span>\u7b80\u8ff0\u2f83\u5b9a\u4e49\u6807\u7b7e\u7684\u521b\u5efa\u6d41\u7a0b； <\/span><\/p>\n

4. <\/span>\u5bf9\u2f50 <\/span><jsp:include> <\/span>\u4e0e <\/span><c:import> <\/span>\u7684\u533a\u522b\u3002 <\/span><\/p>\n

（\u4e09）\u4ee3\u7801\u9898\u5fc5\u8003 <\/span><\/p>\n

1. <\/span>\u7f16\u5199 JavaBean \u7c7b，\u5e76\u5728 JSP \u4e2d\u4f7f\u2f64 <\/span><jsp:useBean> <\/span>\/ <\/span><jsp:getProperty> <\/span>\u8bbf\u95ee\u5176\u5c5e\u6027； <\/span><\/p>\n

2. <\/span>\u4f7f\u2f64 JSTL \u6807\u7b7e\u5b9e\u73b0\u5faa\u73af\u904d\u5386\u96c6\u5408\u3001\u591a\u6761\u4ef6\u5224\u65ad； <\/span><\/p>\n

3. <\/span>\u4f7f\u2f64 EL \u8868\u8fbe\u5f0f\u83b7\u53d6\u8bf7\u6c42\u53c2\u6570\u3001\u8bf7\u6c42\u5934\u6216 JavaBean \u5c5e\u6027； <\/span><\/p>\n

4. <\/span>\u7f16\u5199\u7b80\u5355\u7684\u2f83\u5b9a\u4e49\u6807\u7b7e（\u542b\u5c5e\u6027）\u5e76\u4f7f\u2f64\u3002 <\/span><\/p>\n

\u4e03\u3001\u590d\u4e60\u5efa\u8bae <\/span><\/p>\n

1. <\/span>\u91cd\u70b9\u80cc\u8bf5\u6838\u2f3c\u8bed\u6cd5（\u5982\u6807\u7b7e\u8bed\u6cd5\u3001EL \u8868\u8fbe\u5f0f\u683c\u5f0f\u3001\u2f83\u5b9a\u4e49\u6807\u7b7e\u6d41\u7a0b）； <\/span><\/p>\n

2. <\/span>\u719f\u7ec3\u638c\u63e1\u2f70\u4f8b\u4ee3\u7801（\u5982 JavaBean \u2f70\u4f8b\u3001JSTL \u5faa\u73af\/\u6761\u4ef6\u5224\u65ad\u2f70\u4f8b）； <\/span><\/p>\n

3. <\/span>\u533a\u5206\u6613\u6df7\u6dc6\u77e5\u8bc6\u70b9（\u5982 EL \u9690\u542b\u5bf9\u8c61\u3001JSTL \u6807\u7b7e\u2f64\u9014\u3001\u64cd\u4f5c\u7b26\u5dee\u5f02）； <\/span><\/p>\n

4. <\/span>\u7ed3\u5408\u5b9e\u64cd\u9898\u7ec3\u4e60（\u5982\u7f16\u5199 JSP \u2eda\u2faf\u5b9e\u73b0\u6570\u636e\u5c55\u2f70\u3001\u683c\u5f0f\u5316\u3001\u2f83\u5b9a\u4e49\u6807\u7b7e）\u3002 <\/span><\/p>\n

Ch7 JDBC\u4e0eJSP\u6570\u636e\u5e93\u64cd\u4f5c <\/span><\/p>\n

\u2f00\u3001\u6838\u2f3c\u6982\u5ff5\u4e0e\u67b6\u6784 <\/span><\/p>\n

1. JDBC\u5b9a\u4e49\u4e0e\u4f5c\u2f64 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5168\u79f0：Java Data Base Connectivity（Java\u6570\u636e\u5e93\u8fde\u63a5） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u672c\u8d28：\u2f64\u4e8e\u6267\u2f8fSQL\u8bed\u53e5\u7684\u6807\u51c6Java API，\u7531\u63a5\u2f1d\u548c\u7c7b\u7ec4\u6210，\u5b9e\u73b0Java\u7a0b\u5e8f\u4e0e\u5173\u7cfb\u578b\u6570\u636e\u5e93\u7684\u6570\u636e <\/span><\/p>\n

\u5e93\u2f46\u5173\u8fde\u63a5（\u540c\u2f00\u4ee3\u7801\u53ef\u9002\u914d\u4e0d\u540c\u6570\u636e\u5e93，\u4ec5\u9700\u4fee\u6539\u9a71\u52a8\u548cURL）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4e0eODBC\u7684\u5173\u7cfb：\u529f\u80fd\u2f00\u81f4，\u5747\u2f40\u6301\u6570\u636e\u5e93\u2f46\u5173\u4ee3\u7801，\u4f46JDBC\u662fJava\u4e13\u5c5eAPI\u3002 <\/span><\/p>\n

2. \u9a71\u52a8\u7684\u91cd\u8981\u6027 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u9a71\u52a8\u662f\u63a5\u2f1d\u7684\u5b9e\u73b0，\u7531\u6570\u636e\u5e93\u2f1a\u5546\u63d0\u4f9b（\u5982MySQL\u7684 <\/span>com.mysql.jdbc.Driver <\/span>），\u2f46\u9a71\u52a8\u5219 <\/span><\/p>\n

\u2f46\u6cd5\u5efa\u2f74\u6570\u636e\u5e93\u8fde\u63a5\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f5c\u2f64：\u6ee1\u2f9cJava\u7a0b\u5e8f\u4e0e\u6570\u636e\u5e93\u7684\u901a\u4fe1\u6570\u636e\u683c\u5f0f\u8981\u6c42\u3002 <\/span><\/p>\n

3. JDBC\u67b6\u6784 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4e24\u5c42\u67b6\u6784： <\/span><\/p>\n

a. <\/span>JDBC API：\u5e94\u2f64\u7a0b\u5e8f\u2192JDBC\u7ba1\u7406\u5668（\u63d0\u4f9b\u8fde\u63a5\u2f0a\u2f1d）\u3002 <\/span><\/p>\n

b. <\/span>JDBC\u9a71\u52a8\u7a0b\u5e8fAPI：JDBC\u7ba1\u7406\u5668\u2192\u6570\u636e\u5e93\u9a71\u52a8（\u5b9e\u73b0\u63a5\u2f1d\u901a\u4fe1）\u3002<\/span>\u2f06\u3001JDBC\u6838\u2f3c\u7ec4\u4ef6（\u63a5\u2f1d\/\u7c7b）\u53ca\u529f\u80fd <\/span><\/p>\n

\u7ec4\u4ef6 <\/span><\/p>\n

\u6838\u2f3c\u4f5c\u2f64 <\/span><\/p>\n

DriverManager <\/span><\/p>\n

\u7ba1\u7406\u6570\u636e\u5e93\u9a71\u52a8\u5217\u8868，\u5339\u914d\u8fde <\/span><\/p>\n

\u63a5\u8bf7\u6c42\u4e0e\u5bf9\u5e94\u9a71\u52a8，\u901a\u8fc7 <\/span><\/p>\n

getConnection() <\/span>\u83b7\u53d6\u8fde <\/span><\/p>\n

\u63a5\u3002 <\/span><\/p>\n

Driver <\/span><\/p>\n

\u5904\u7406\u4e0e\u6570\u636e\u5e93\u670d\u52a1\u5668\u7684\u901a\u4fe1， <\/span><\/p>\n

\u2f46\u9700\u76f4\u63a5\u4ea4\u4e92，\u7531 <\/span><\/p>\n

DriverManager\u7ba1\u7406\u3002 <\/span><\/p>\n

Connection <\/span><\/p>\n

\u6570\u636e\u5e93\u901a\u4fe1\u4e0a\u4e0b\u2f42，\u6240\u6709\u6570\u636e <\/span><\/p>\n

\u5e93\u64cd\u4f5c（\u6267\u2f8fSQL\u3001\u4e8b\u52a1\u7ba1 <\/span><\/p>\n

\u7406）\u5747\u901a\u8fc7\u8be5\u5bf9\u8c61\u5b8c\u6210\u3002 <\/span><\/p>\n

Statement <\/span><\/p>\n

\u63d0\u4ea4SQL\u8bed\u53e5\u5230\u6570\u636e\u5e93，\u63d0 <\/span><\/p>\n

\u4f9b <\/span>executeQuery() <\/span>（\u67e5 <\/span><\/p>\n

\u8be2）\u548c <\/span>executeUpdate() <\/span><\/p>\n

（\u589e\u5220\u6539）\u2f45\u6cd5\u3002 <\/span><\/p>\n

ResultSet <\/span><\/p>\n

\u5b58\u50a8\u67e5\u8be2\u7ed3\u679c（\u2f06\u7ef4\u8868\u683c）， <\/span><\/p>\n

\u901a\u8fc7 <\/span>next() <\/span>\u904d\u5386\u2f8f， <\/span><\/p>\n

getXXX() <\/span>（\u5982 <\/span><\/p>\n

getInt() <\/span>）\u83b7\u53d6\u5217\u6570\u636e\u3002 <\/span><\/p>\n

SQLException <\/span><\/p>\n

\u5904\u7406\u6570\u636e\u5e93\u64cd\u4f5c\u4e2d\u7684\u6240\u6709\u5f02\u5e38 <\/span><\/p>\n

（\u5982\u8fde\u63a5\u5931\u8d25\u3001SQL\u8bed\u6cd5\u9519 <\/span><\/p>\n

\u8bef）\u3002 <\/span><\/p>\n

\u4e09\u3001SQL\u57fa\u7840\u8bed\u6cd5（\u5fc5\u80cc） <\/span><\/p>\n

1. \u6570\u636e\u5e93\u64cd\u4f5c <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u521b\u5efa： <\/span>CREATE DATABASE <\/span>\u6570\u636e\u5e93\u540d<\/span>; <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5220\u9664： <\/span>DROP DATABASE <\/span>\u6570\u636e\u5e93\u540d<\/span>; <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f7f\u2f64： <\/span>USE <\/span>\u6570\u636e\u5e93\u540d<\/span>; <\/span><\/p>\n

2. \u8868\u64cd\u4f5c <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u521b\u5efa： <\/span><\/p>\n

\u4ee3\u7801\u5757<\/span>CREATE TABLE <\/span>\u8868\u540d<\/span>( <\/span><\/p>\n

\u5217\u540d \u6570\u636e\u7c7b\u578b <\/span>[<\/span>\u7ea6\u675f<\/span>], <\/span><\/p>\n

… <\/span><\/p>\n

); <\/span><\/p>\n

\u2f70\u4f8b： <\/span>CREATE TABLE category(cid INT PRIMARY KEY AUTO_INCREMENT, <\/span><\/p>\n

cname VARCHAR(100)); <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5220\u9664： <\/span>DROP TABLE <\/span>\u8868\u540d<\/span>; <\/span><\/p>\n

3. \u6570\u636e\u64cd\u4f5c（CRUD） <\/span><\/p>\n

\u64cd\u4f5c <\/span><\/p>\n

\u8bed\u6cd5 <\/span><\/p>\n

\u63d2\u2f0a <\/span><\/p>\n

INSERT INTO <\/span>\u8868\u540d <\/span><\/p>\n

VALUES(<\/span>\u503c<\/span>1, <\/span>\u503c<\/span>2, …); <\/span><\/p>\n

（\u6216\u6307\u5b9a\u5217： <\/span>INSERT <\/span><\/p>\n

INTO <\/span>\u8868\u540d<\/span>(<\/span>\u5217<\/span>1) <\/span><\/p>\n

VALUES(<\/span>\u503c<\/span>); <\/span>） <\/span><\/p>\n

\u67e5\u8be2 <\/span><\/p>\n

SELECT <\/span>\u5217\u540d<\/span>1, <\/span>\u5217\u540d<\/span>2… <\/span><\/p>\n

FROM <\/span>\u8868\u540d <\/span>[WHERE <\/span>\u6761\u4ef6<\/span>]; <\/span><\/p>\n

（\u67e5\u8be2\u6240\u6709\u5217\u2f64 <\/span>* <\/span>） <\/span><\/p>\n

\u66f4\u65b0 <\/span><\/p>\n

UPDATE <\/span>\u8868\u540d <\/span>SET <\/span>\u5217\u540d<\/span>1= <\/span><\/p>\n

\u503c<\/span>1, <\/span>\u5217\u540d<\/span>2=<\/span>\u503c<\/span>2… <\/span><\/p>\n

[WHERE <\/span>\u6761\u4ef6<\/span>]; <\/span>（\u2f46WHERE <\/span><\/p>\n

\u5219\u66f4\u65b0\u6240\u6709\u2f8f） <\/span><\/p>\n

\u5220\u9664 <\/span><\/p>\n

DELETE FROM <\/span>\u8868\u540d <\/span><\/p>\n

[WHERE <\/span>\u6761\u4ef6<\/span>]; <\/span>（\u2f46WHERE <\/span><\/p>\n

\u5219\u5220\u9664\u6240\u6709\u2f8f） <\/span><\/p>\n

\u56db\u3001JDBC\u6838\u2f3c\u64cd\u4f5c\u6d41\u7a0b（\u5fc5\u8003） <\/span><\/p>\n

1. \u4f9d\u8d56\u5bfc\u2f0a <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

import <\/span>java.sql.*; <\/span>\/\/ <\/span>\u6838\u2f3c<\/span>JDBC<\/span>\u5305 <\/span><\/p>\n

import <\/span>java.math.*; <\/span>\/\/ <\/span>\u2f40\u6301<\/span>BigDecimal<\/span>\u7b49（\u53ef\u9009） <\/span><\/p>\n

2. \u5b8c\u6574\u64cd\u4f5c\u6b65\u9aa4（\u4ee5\u67e5\u8be2\u4e3a\u4f8b） <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

1 <\/span><\/p>\n

2<\/span>\u4ee3\u7801\u5757<\/span>\/\/ 1. <\/span>\u6ce8\u518c\u9a71\u52a8（<\/span>MySQL<\/span>\u9a71\u52a8\u7c7b\u540d\u56fa\u5b9a） <\/span><\/p>\n

Class.forName(<\/span>"com.mysql.jdbc.Driver"<\/span>); <\/span><\/p>\n

\/\/ 2. <\/span>\u83b7\u5f97\u8fde\u63a5（<\/span>URL<\/span>\u683c\u5f0f：<\/span>jdbc:<\/span>\u6570\u636e\u5e93\u540d<\/span>:\/\/IP:<\/span>\u7aef\u2f1d<\/span>\/<\/span>\u6570\u636e\u5e93\u540d） <\/span><\/p>\n

String url <\/span>= <\/span>"jdbc:mysql:\/\/localhost:3306\/mydb"<\/span>; <\/span><\/p>\n

Connection conn <\/span>= DriverManager.getConnection(url, <\/span>"<\/span>\u2f64\u2f3e\u540d<\/span>"<\/span>, <\/span>"<\/span>\u5bc6\u7801<\/span>"<\/span>); <\/span><\/p>\n

\/\/ 3. <\/span>\u521b\u5efa\u8bed\u53e5\u6267\u2f8f\u8005 <\/span><\/p>\n

Statement st <\/span>= conn.createStatement(); <\/span><\/p>\n

\/\/ 4. <\/span>\u6267\u2f8f<\/span>SQL<\/span>（\u67e5\u8be2\u2f64<\/span>executeQuery<\/span>，\u8fd4\u56de<\/span>ResultSet<\/span>；\u589e\u5220\u6539\u2f64<\/span>executeUpdate<\/span>，\u8fd4\u56de\u5f71\u54cd\u2f8f <\/span><\/p>\n

\u6570） <\/span><\/p>\n

ResultSet rs <\/span>= st.executeQuery(<\/span>"SELECT * FROM category"<\/span>); <\/span><\/p>\n

\/\/ 5. <\/span>\u5904\u7406\u7ed3\u679c\u96c6（\u4ec5\u67e5\u8be2\u9700\u8981） <\/span><\/p>\n

while<\/span>(rs.next()){ <\/span>\/\/ <\/span>\u904d\u5386\u2f8f，\u2fb8\u6b21\u8c03\u2f64\u6307\u5411\u7b2c\u2f00\u2f8f <\/span><\/p>\n

int cid <\/span>= rs.getInt(<\/span>"cid"<\/span>); <\/span>\/\/ <\/span>\u6309\u5217\u540d\u83b7\u53d6\u6570\u636e <\/span><\/p>\n

String cname <\/span>= rs.getString(<\/span>"cname"<\/span>); <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ 6. <\/span>\u91ca\u653e\u8d44\u6e90（\u5173\u952e！\u540e\u83b7\u53d6\u5148\u91ca\u653e：<\/span>ResultSet <\/span>\u2192 <\/span>Statement <\/span>\u2192 <\/span>Connection<\/span>） <\/span><\/p>\n

rs.close(); <\/span><\/p>\n

st.close(); <\/span><\/p>\n

conn.close(); <\/span><\/p>\n

3. \u5173\u952e\u6ce8\u610f\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

URL\u683c\u5f0f： <\/span>jdbc:<\/span>\u6570\u636e\u5e93\u7c7b\u578b<\/span>:\/\/<\/span>\u670d\u52a1\u5668<\/span>IP:<\/span>\u7aef\u2f1d\u53f7<\/span>\/<\/span>\u6570\u636e\u5e93\u540d （MySQL\u9ed8\u8ba4\u7aef\u2f1d3306）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u9a71\u52a8\u7c7b\u540d：MySQL\u4e3a <\/span>com.mysql.jdbc.Driver <\/span>（\u56fa\u5b9a\u5199\u6cd5）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f45\u6cd5\u533a\u522b： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

executeQuery(String sql) <\/span>：\u4ec5\u2f64\u4e8e\u67e5\u8be2，\u8fd4\u56de <\/span>ResultSet <\/span>\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

executeUpdate(String sql) <\/span>：\u2f64\u4e8e\u589e\u5220\u6539，\u8fd4\u56de\u53d7\u5f71\u54cd\u7684\u2f8f\u6570（int\u7c7b\u578b）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8d44\u6e90\u91ca\u653e：\u5fc5\u987b\u5728 <\/span>finally <\/span>\u5757\u4e2d\u6267\u2f8f（\u907f\u514d\u5f02\u5e38\u65f6\u672a\u91ca\u653e），\u2f2f\u5177\u7c7b\u53ef\u7b80\u5316\u8be5\u64cd\u4f5c\u3002 <\/span><\/p>\n

\u4e94\u3001JDBC\u2f2f\u5177\u7c7b（\u91cd\u70b9\u5e94\u2f64） <\/span><\/p>\n

1. \u2f2f\u5177\u7c7b\u6838\u2f3c\u529f\u80fd <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5c01\u88c5\u91cd\u590d\u64cd\u4f5c：\u6ce8\u518c\u9a71\u52a8（\u9759\u6001\u4ee3\u7801\u5757）\u3001\u83b7\u53d6\u8fde\u63a5\u3001\u91ca\u653e\u8d44\u6e90\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f5c\u2f64：\u7b80\u5316\u4ee3\u7801，\u907f\u514d\u91cd\u590d\u7f16\u5199\u6ce8\u518c\u9a71\u52a8\u3001\u91ca\u653e\u8d44\u6e90\u7b49\u5197\u4f59\u4ee3\u7801\u3002 <\/span><\/p>\n

2. \u6838\u2f3c\u4ee3\u7801\u5b9e\u73b0 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

21 <\/span><\/p>\n

22 <\/span><\/p>\n

23<\/span>\u4ee3\u7801\u5757<\/span>public class <\/span>JdbcUtils <\/span>{ <\/span><\/p>\n

\/\/ <\/span>\u914d\u7f6e\u53c2\u6570（\u53ef\u62bd\u53d6\u5230\u914d\u7f6e\u2f42\u4ef6） <\/span><\/p>\n

private static <\/span>String driver <\/span>= <\/span>"com.mysql.jdbc.Driver"<\/span>; <\/span><\/p>\n

private static <\/span>String url <\/span>= <\/span>"jdbc:mysql:\/\/localhost:3306\/mydb"<\/span>; <\/span><\/p>\n

private static <\/span>String user <\/span>= <\/span>"root"<\/span>; <\/span><\/p>\n

private static <\/span>String password <\/span>= <\/span>"root"<\/span>; <\/span><\/p>\n

\/\/ <\/span>\u9759\u6001\u4ee3\u7801\u5757：\u52a0\u8f7d\u9a71\u52a8（\u7a0b\u5e8f\u542f\u52a8\u65f6\u6267\u2f8f\u2f00\u6b21） <\/span><\/p>\n

static <\/span>{ <\/span><\/p>\n

try <\/span>{ <\/span><\/p>\n

Class.forName(driver); <\/span><\/p>\n

} <\/span>catch <\/span>(ClassNotFoundException e) { <\/span><\/p>\n

throw new <\/span>RuntimeException<\/span>(e); <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ <\/span>\u83b7\u53d6\u8fde\u63a5 <\/span><\/p>\n

public static <\/span>Connection <\/span>getConnection<\/span>() <\/span>throws <\/span>SQLException { <\/span><\/p>\n

return <\/span>DriverManager.getConnection(url, user, password); <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ <\/span>\u91ca\u653e\u8d44\u6e90（\u9002\u914d\u67e5\u8be2<\/span>\/<\/span>\u589e\u5220\u6539\u573a\u666f，<\/span>rs<\/span>\u53ef\u4f20<\/span>null<\/span>） <\/span><\/p>\n

public static void <\/span>closeResource<\/span>(Connection conn, Statement st, ResultSet <\/span><\/p>\n

rs) { <\/span><\/p>\n

if <\/span>(rs != <\/span>null<\/span>) <\/span>try <\/span>{ rs.close(); } <\/span>catch <\/span>(SQLException e) {} <\/span><\/p>\n

if <\/span>(st != <\/span>null<\/span>) <\/span>try <\/span>{ st.close(); } <\/span>catch <\/span>(SQLException e) {} <\/span><\/p>\n

if <\/span>(conn != <\/span>null<\/span>) <\/span>try <\/span>{ conn.close(); } <\/span>catch <\/span>(SQLException e) {} <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

3. \u2f2f\u5177\u7c7b\u4f7f\u2f64\u2f70\u4f8b（\u4ee5\u63d2\u2f0a\u4e3a\u4f8b） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

@Test <\/span><\/p>\n

public void <\/span>insertDemo<\/span>() { <\/span><\/p>\n

Connection conn <\/span>= <\/span>null<\/span>; <\/span><\/p>\n

Statement st <\/span>= <\/span>null<\/span>; <\/span><\/p>\n

ResultSet rs <\/span>= <\/span>null<\/span>; <\/span>\/\/ <\/span>\u589e\u5220\u6539\u2f46\u7ed3\u679c\u96c6，\u4f20<\/span>null <\/span><\/p>\n

try <\/span>{ <\/span><\/p>\n

\/\/ 1. <\/span>\u83b7\u53d6\u8fde\u63a5（\u2f2f\u5177\u7c7b\u5c01\u88c5） <\/span><\/p>\n

conn = JdbcUtils.getConnection(); <\/span><\/p>\n

\/\/ 2. <\/span>\u521b\u5efa\u8bed\u53e5\u6267\u2f8f\u8005 <\/span><\/p>\n

st = conn.createStatement(); <\/span><\/p>\n

\/\/ 3. <\/span>\u6267\u2f8f<\/span>SQL<\/span>（\u589e\u5220\u6539\u2f64<\/span>executeUpdate<\/span>） <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

21 <\/span><\/p>\n

22 <\/span><\/p>\n

23 <\/span><\/p>\n

24 <\/span><\/p>\n

25 <\/span><\/p>\n

26 <\/span><\/p>\n

27 <\/span><\/p>\n

28 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11<\/span>int affectedRows <\/span>= st.executeUpdate(<\/span>"INSERT INTO category(cname) <\/span><\/p>\n

VALUES('<\/span>\u6d4b\u8bd5<\/span>')"<\/span>); <\/span><\/p>\n

System.out.println(<\/span>"<\/span>\u5f71\u54cd\u2f8f\u6570：<\/span>" <\/span>+ affectedRows); <\/span><\/p>\n

} <\/span>catch <\/span>(SQLException e) { <\/span><\/p>\n

throw new <\/span>RuntimeException<\/span>(e); <\/span><\/p>\n

} <\/span>finally <\/span>{ <\/span><\/p>\n

\/\/ 4. <\/span>\u91ca\u653e\u8d44\u6e90（\u2f2f\u5177\u7c7b\u5c01\u88c5） <\/span><\/p>\n

JdbcUtils.closeResource(conn, st, rs); <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

\u516d\u3001JSP\u4e0eJSTL SQL\u6807\u7b7e（\u6570\u636e\u5e93\u64cd\u4f5c） <\/span><\/p>\n

1. \u6838\u2f3c\u4f9d\u8d56 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5f15\u2f0aJSTL SQL\u6807\u7b7e\u5e93（\u5fc5\u987b\u5199\u5728JSP\u2eda\u2faf\u9876\u90e8）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

<%@ taglib prefix=<\/span>"sql" <\/span>uri=<\/span>"http:\/\/java.sun.com\/jsp\/jstl\/sql" <\/span>%> <\/span><\/p>\n

<%@ taglib prefix=<\/span>"c" <\/span>uri=<\/span>"http:\/\/java.sun.com\/jsp\/jstl\/core" <\/span>%> <!– <\/span>\u914d\u5408\u904d <\/span><\/p>\n

\u5386\u7ed3\u679c\u96c6 <\/span>–> <\/span><\/p>\n

2. \u6838\u2f3c\u6807\u7b7e\u4e0e\u64cd\u4f5c <\/span><\/p>\n

\u6807\u7b7e <\/span><\/p>\n

\u4f5c\u2f64 <\/span><\/p>\n

\u5173\u952e\u5c5e\u6027 <\/span><\/p>\n

<sql:setDataSource> <\/span><\/p>\n

\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f（\u6570\u636e <\/span><\/p>\n

\u6e90） <\/span><\/p>\n

var <\/span>（\u6570\u636e\u6e90\u53d8\u91cf\u540d）\u3001 <\/span><\/p>\n

driver <\/span>\u3001 <\/span>url <\/span>\u3001 <\/span><\/p>\n

user <\/span>\u3001 <\/span>password <\/span><\/p>\n

<sql:query> <\/span><\/p>\n

\u6267\u2f8f\u67e5\u8be2SQL，\u8fd4\u56de\u7ed3\u679c\u96c6 <\/span><\/p>\n

dataSource <\/span>（\u6570\u636e\u6e90）\u3001 <\/span><\/p>\n

var <\/span>（\u7ed3\u679c\u96c6\u53d8\u91cf\u540d） <\/span><\/p>\n

<sql:update> <\/span><\/p>\n

\u6267\u2f8f\u589e\u5220\u6539SQL，\u8fd4\u56de\u5f71\u54cd\u2f8f <\/span><\/p>\n

\u6570 <\/span><\/p>\n

dataSource <\/span>\u3001 <\/span>var <\/span>（\u5f71 <\/span><\/p>\n

\u54cd\u2f8f\u6570\u53d8\u91cf\u540d） <\/span><\/p>\n

<sql:param> <\/span><\/p>\n

\u4e3aSQL\u8bed\u53e5\u4e2d\u7684 <\/span>? <\/span>\u5360\u4f4d\u7b26\u4f20 <\/span><\/p>\n

\u53c2（\u9632\u6ce8\u2f0a） <\/span><\/p>\n

value <\/span>（\u53c2\u6570\u503c） <\/span><\/p>\n

3. \u2f70\u4f8b：JSP\u67e5\u8be2\u6570\u636e\u5e93（Employees\u8868） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

1 <\/span><\/p>\n

2<\/span><%@ page <\/span>import<\/span>=<\/span>"java.sql.*" <\/span>%> <\/span><\/p>\n

<%@ taglib prefix=<\/span>"c" <\/span>uri=<\/span>"http:\/\/java.sun.com\/jsp\/jstl\/core" <\/span>%> <\/span><\/p>\n

<%@ taglib prefix=<\/span>"sql" <\/span>uri=<\/span>"http:\/\/java.sun.com\/jsp\/jstl\/sql" <\/span>%> <\/span><\/p>\n

<html> <\/span><\/p>\n

<body> <\/span><\/p>\n

<!– <\/span>1. <\/span>\u914d\u7f6e\u6570\u636e\u6e90 <\/span>–> <\/span><\/p>\n

<sql:setDataSource <\/span>var<\/span>=<\/span>"dbSource" <\/span><\/p>\n

driver=<\/span>"com.mysql.jdbc.Driver" <\/span><\/p>\n

url=<\/span>"jdbc:mysql:\/\/localhost\/TEST" <\/span><\/p>\n

user=<\/span>"root" <\/span>password=<\/span>"pass123"<\/span>\/> <\/span><\/p>\n

<!– <\/span>2. <\/span>\u6267\u2f8f\u67e5\u8be2<\/span>SQL –> <\/span><\/p>\n

<sql:query dataSource=<\/span>"${dbSource}" <\/span>var<\/span>=<\/span>"resultSet"<\/span>> <\/span><\/p>\n

SELECT * FROM Employees; <\/span><\/p>\n

<\/sql:query> <\/span><\/p>\n

<!– <\/span>3. <\/span>\u904d\u5386\u7ed3\u679c\u96c6\u5e76\u5c55\u2f70 <\/span>–> <\/span><\/p>\n

<table border=<\/span>"1"<\/span>> <\/span><\/p>\n

<tr><<th>ID<\/<\/th><<th><\/span>\u59d3\u540d<\/span><\/<\/th><<th><\/span>\u59d3\u2f52<\/span><\/<\/th><<th><\/span>\u5e74\u9f84<\/span><\/<\/th><\/tr> <\/span><\/p>\n

<c:forEach <\/span>var<\/span>=<\/span>"row" <\/span>items=<\/span>"${resultSet.rows}"<\/span>> <\/span><\/p>\n

<tr> <\/span><\/p>\n

<td><c:out value=<\/span>"${row.id}"<\/span>\/><\/td> <\/span><\/p>\n

<td><c:out value=<\/span>"${row.first}"<\/span>\/><\/td> <\/span><\/p>\n

<td><c:out value=<\/span>"${row.last}"<\/span>\/><\/td> <\/span><\/p>\n

<td><c:out value=<\/span>"${row.age}"<\/span>\/><\/td> <\/span><\/p>\n

<\/tr> <\/span><\/p>\n

<\/c:forEach> <\/span><\/p>\n

<\/table> <\/span><\/p>\n

<\/body> <\/span><\/p>\n

<\/html> <\/span><\/p>\n

\u4e03\u3001\u6613\u9519\u70b9\u4e0e\u8003\u70b9\u603b\u7ed3 <\/span><\/p>\n

1. \u2fbc\u9891\u6613\u9519\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

URL\u683c\u5f0f\u9519\u8bef：\u6f0f\u5199\u7aef\u2f1d\u3001\u6570\u636e\u5e93\u540d\u62fc\u5199\u9519\u8bef（\u5982 <\/span>jdbc:mysql:\/\/<\/span>localhost\/mydb <\/span>\u9ed8\u8ba4 <\/span><\/p>\n

3306\u53ef\u7701\u7565\u7aef\u2f1d）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u9a71\u52a8\u7c7b\u540d\u9519\u8bef：MySQL\u9a71\u52a8\u7c7b\u540d\u5fc5\u987b\u662f <\/span>com.mysql.jdbc.Driver <\/span>（\u4e0d\u53ef\u5c11 <\/span>jdbc. <\/span>）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8d44\u6e90\u672a\u91ca\u653e：\u672a\u5728 <\/span>finally <\/span>\u5757\u4e2d\u5173\u95ed\u8d44\u6e90，\u5bfc\u81f4\u6570\u636e\u5e93\u8fde\u63a5\u6cc4\u9732\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Statement <\/span>\u2f45\u6cd5\u6df7\u2f64：\u67e5\u8be2\u2f64 <\/span>executeUpdate <\/span>（\u2f46\u8fd4\u56de\u7ed3\u679c）\u3001\u589e\u5220\u6539\u2f64 <\/span><\/p>\n

executeQuery <\/span>（\u62a5\u9519）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u7ed3\u679c\u96c6\u904d\u5386：\u672a\u8c03\u2f64 <\/span>rs.next() <\/span>\u76f4\u63a5\u83b7\u53d6\u6570\u636e（\u9ed8\u8ba4\u6307\u5411\u2f8f\u2fb8，\u2f46\u6570\u636e）\u3002 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

21 <\/span><\/p>\n

22 <\/span><\/p>\n

23 <\/span><\/p>\n

24 <\/span><\/p>\n

25 <\/span><\/p>\n

26 <\/span><\/p>\n

27 <\/span><\/p>\n

28 <\/span><\/p>\n

29 <\/span><\/p>\n

30 <\/span><\/p>\n

31<\/span>2. \u6838\u2f3c\u8003\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

JDBC\u64cd\u4f5c\u5b8c\u6574\u6d41\u7a0b（\u4ee3\u7801\u586b\u7a7a\u9898，\u5982\u6ce8\u518c\u9a71\u52a8\u3001\u83b7\u53d6\u8fde\u63a5\u3001\u91ca\u653e\u8d44\u6e90）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u7ec4\u4ef6\u529f\u80fd\u5339\u914d（\u9009\u62e9\u9898，\u5982\u201c\u54ea\u4e2a\u7ec4\u4ef6\u2f64\u4e8e\u63d0\u4ea4SQL\u8bed\u53e5？\u201d\u2192Statement）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

SQL\u8bed\u6cd5（\u7b80\u7b54\u9898\/\u4ee3\u7801\u9898，\u5982\u521b\u5efa\u8868\u3001\u63d2\u2f0a\u6570\u636e\u3001\u6761\u4ef6\u67e5\u8be2）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f2f\u5177\u7c7b\u7f16\u5199\u4e0e\u4f7f\u2f64（\u7f16\u7a0b\u9898，\u5982\u2f64\u2f2f\u5177\u7c7b\u5b9e\u73b0\u2f64\u2f3e\u4fe1\u606f\u67e5\u8be2）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

JSP+JSTL SQL\u6807\u7b7e（\u4ee3\u7801\u586b\u7a7a\u9898，\u5982\u5f15\u2f0a\u6807\u7b7e\u5e93\u3001\u914d\u7f6e\u6570\u636e\u6e90）\u3002 <\/span><\/p>\n

\u2f0b\u3001\u590d\u4e60\u5efa\u8bae <\/span><\/p>\n

1. <\/span>\u7262\u8bb0JDBC\u201c\u6ce8\u518c\u9a71\u52a8\u2192\u83b7\u53d6\u8fde\u63a5\u2192\u6267\u2f8fSQL\u2192\u5904\u7406\u7ed3\u679c\u2192\u91ca\u653e\u8d44\u6e90\u201d\u4e94\u6b65\u6d41\u7a0b，\u9ed8\u5199\u6838\u2f3c\u4ee3\u7801\u3002 <\/span><\/p>\n

2. <\/span>\u719f\u7ec3\u638c\u63e1SQL\u589e\u5220\u6539\u67e5\u8bed\u6cd5，\u7ed3\u5408JDBC\u4ee3\u7801\u573a\u666f\u7ec3\u4e60\u3002 <\/span><\/p>\n

3. <\/span>\u7406\u89e3\u2f2f\u5177\u7c7b\u7684\u8bbe\u8ba1\u601d\u60f3（\u5c01\u88c5\u3001\u590d\u2f64），\u80fd\u72ec\u2f74\u7f16\u5199\u7b80\u5316\u7248\u2f2f\u5177\u7c7b\u3002 <\/span><\/p>\n

4. <\/span>\u7ec3\u4e60JSP\u2eda\u2faf\u4e2d\u2f64JSTL\u6807\u7b7e\u5b8c\u6210\u6570\u636e\u5e93\u64cd\u4f5c，\u6ce8\u610f\u6807\u7b7e\u5c5e\u6027\u548c\u7ed3\u679c\u96c6\u904d\u5386\u3002 <\/span><\/p>\n

5. <\/span>\u91cd\u70b9\u5173\u6ce8\u6613\u9519\u70b9，\u907f\u514d\u8003\u8bd5\u4e2d\u56e0\u7ec6\u8282\u5931\u8bef\u4e22\u5206\u3002 <\/span><\/p>\n

Ch8 Spring\u6846\u67b6 <\/span><\/p>\n

\u2f00\u3001Spring\u6846\u67b6\u6982\u8ff0（\u57fa\u7840\u8003\u70b9） <\/span><\/p>\n

\u6838\u2f3c\u6982\u5ff5 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Spring\u662f\u5f00\u6e90\u7684\u4f01\u4e1a\u7ea7Java\u5e94\u2f64\u5f00\u53d1\u6846\u67b6，2003\u5e746\u2f49\u57fa\u4e8eApache 2.0\u8bb8\u53ef\u53d1\u5e03，\u6838\u2f3c\u2f6c\u6807\u662f\u7b80\u5316 <\/span><\/p>\n

J2EE\u5f00\u53d1，\u2f40\u6301POJO\u7f16\u7a0b\u6a21\u578b\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u7279\u6027：\u2fae\u4fb5\u2f0a\u5f0f（\u5e94\u2f64\u5bf9\u8c61\u4e0d\u4f9d\u8d56Spring API）\u3001IOC（\u63a7\u5236\u53cd\u8f6c）\u3001DI（\u4f9d\u8d56\u6ce8\u2f0a）\u3001AOP <\/span><\/p>\n

（\u2faf\u5411\u5207\u2faf\u7f16\u7a0b）\u3001\u5bb9\u5668\u7279\u6027（\u7ba1\u7406\u5bf9\u8c61\u2f63\u547d\u5468\u671f）\u3001\u7ec4\u4ef6\u5316（XML\/\u6ce8\u89e3\u7ec4\u5408\u5bf9\u8c61）\u3001\u2f00\u7ad9\u5f0f（\u6574 <\/span><\/p>\n

\u5408\u5404\u7c7b\u6846\u67b6\u53ca\u2f83\u2f9dMVC\/JDBC\u6a21\u5757）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f18\u52bf：\u2f46\u9700EJB\u5bb9\u5668，\u4f9d\u8d56\u8f7b\u91cf\u7ea7Servlet\u5bb9\u5668；\u6a21\u5757\u7ec4\u7ec7\u6e05\u6670，\u6309\u9700\u4f7f\u2f64；\u590d\u2f64\u73b0\u6709\u6280\u672f（ORM\u3001 <\/span><\/p>\n

\u2f47\u5fd7\u7b49）；\u7b80\u5316\u6d4b\u8bd5；\u7edf\u2f00\u4e8b\u52a1\u7ba1\u7406\u548c\u5f02\u5e38\u5904\u7406\u3002 <\/span><\/p>\n

\u67b6\u6784\u4f53\u7cfb <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5206\u5c42\u67b6\u6784，\u6838\u2f3c\u6a21\u5757\u5206\u4e3a8\u7c7b：Core Container（\u6838\u2f3c\u5bb9\u5668）\u3001Data Access\/Integration（\u6570\u636e\u8bbf <\/span><\/p>\n

\u95ee\/\u96c6\u6210）\u3001Web（Web\u5c42）\u3001AOP\u3001Aspects\u3001Messaging\u3001Instrumentation\u3001Test\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u5bb9\u5668\u6a21\u5757：spring-core（IOC\/DI\u6838\u2f3c）\u3001spring-beans（BeanFactory\u5b9e\u73b0）\u3001spring<\/span><\/p>\n

context（\u5bf9\u8c61\u8bbf\u95ee）\u3001spring-expression（SpEL\u8868\u8fbe\u5f0f）\u3002 <\/span><\/p>\n

\u2f06\u3001IOC\u4e0eDI（\u6838\u2f3c\u2fbc\u9891\u8003\u70b9）<\/span>\u6838\u2f3c\u6982\u5ff5 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

IOC（\u63a7\u5236\u53cd\u8f6c）：\u5bf9\u8c61\u521b\u5efa\u6743\u4ece\u5e94\u2f64\u7a0b\u5e8f\u8f6c\u79fb\u5230Spring\u5bb9\u5668，\u89e3\u51b3\u7ec4\u4ef6\u4f9d\u8d56\u8026\u5408\u95ee\u9898\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

DI（\u4f9d\u8d56\u6ce8\u2f0a）：IOC\u7684\u5177\u4f53\u5b9e\u73b0，\u5bb9\u5668\u52a8\u6001\u4e3a\u5bf9\u8c61\u6ce8\u2f0a\u6240\u9700\u5916\u90e8\u8d44\u6e90（\u5bf9\u8c61\u3001\u5e38\u91cf\u3001\u8d44\u6e90），\u6838 <\/span><\/p>\n

\u2f3c\u662f\u201c\u7ec4\u4ef6\u521b\u5efa\u4e0e\u4f7f\u2f64\u5206\u79bb\u201d\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5173\u7cfb：IOC\u662f\u8bbe\u8ba1\u601d\u60f3，DI\u662f\u5177\u4f53\u5b9e\u73b0；\u2f06\u8005\u63cf\u8ff0\u540c\u2f00\u6982\u5ff5\u7684\u4e0d\u540c\u2ec6\u5ea6\u3002 <\/span><\/p>\n

IOC\u5bb9\u5668 <\/span><\/p>\n

\u5bb9\u5668\u7c7b\u578b <\/span><\/p>\n

\u7279\u70b9 <\/span><\/p>\n

\u9002\u2f64\u573a\u666f <\/span><\/p>\n

BeanFactory <\/span><\/p>\n

\u57fa\u7840\u5bb9\u5668，\u63d0\u4f9bDI\u57fa\u672c\u2f40\u6301 <\/span><\/p>\n

\u8d44\u6e90\u6709\u9650\u573a\u666f（\u79fb\u52a8\u8bbe\u5907\u3001 <\/span><\/p>\n

Applet） <\/span><\/p>\n

ApplicationContext <\/span><\/p>\n

\u7ee7\u627fBeanFactory，\u65b0\u589e\u4f01\u4e1a <\/span><\/p>\n

\u7ea7\u529f\u80fd（\u5c5e\u6027\u2f42\u4ef6\u89e3\u6790\u3001\u4e8b\u4ef6 <\/span><\/p>\n

\u53d1\u5e03） <\/span><\/p>\n

\u7edd\u2f24\u591a\u6570\u4f01\u4e1a\u5e94\u2f64 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5e38\u2f64ApplicationContext\u5b9e\u73b0：FileSystemXmlApplicationContext（\u8bfb\u53d6\u2f42\u4ef6\u7cfb\u7edfXML）\u3001 <\/span><\/p>\n

ClassPathXmlApplicationContext（\u8bfb\u53d6\u7c7b\u8def\u5f84XML）\u3001WebXmlApplicationContext（Web\u5e94 <\/span><\/p>\n

\u2f64）\u3002 <\/span><\/p>\n

Bean\u76f8\u5173\u6838\u2f3c\u77e5\u8bc6\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u914d\u7f6e\u2f45\u5f0f：XML\u914d\u7f6e（<bean>\u6807\u7b7e）\u3001\u6ce8\u89e3\u914d\u7f6e（@Component\u3001@Bean\u7b49）\u3001Java\u914d\u7f6e <\/span><\/p>\n

（@Configuration+@Bean）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f5c\u2f64\u57df：\u9ed8\u8ba4singleton（\u5bb9\u5668\u5185\u552f\u2f00\u5b9e\u4f8b，\u542f\u52a8\u65f6\u521b\u5efa）\u3001prototype（\u6bcf\u6b21\u8bf7\u6c42\u521b\u5efa\u65b0\u5b9e\u4f8b，\u83b7 <\/span><\/p>\n

\u53d6\u65f6\u521b\u5efa）；request\/session\/global session（Web\u5e94\u2f64\u4e13\u2f64）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f63\u547d\u5468\u671f：Bean\u5b9a\u4e49\u2192\u521d\u59cb\u5316\u2192\u4f7f\u2f64\u2192\u9500\u6bc1\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u521d\u59cb\u5316\u56de\u8c03：\u5b9e\u73b0InitializingBean\u63a5\u2f1d（afterPropertiesSet\u2f45\u6cd5）\u6216XML\u4e2d\u6307\u5b9ainit<\/span><\/p>\n

method\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u9500\u6bc1\u56de\u8c03：\u5b9e\u73b0DisposableBean\u63a5\u2f1d（destroy\u2f45\u6cd5）\u6216XML\u4e2d\u6307\u5b9adestroy-method\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f83\u52a8\u88c5\u914d：\u901a\u8fc7<bean>\u7684autowire\u5c5e\u6027\u5b9e\u73b0，\u2f40\u6301byName（\u6309\u5c5e\u6027\u540d\u5339\u914dBean）\u3001byType（\u6309 <\/span><\/p>\n

\u5c5e\u6027\u7c7b\u578b\u5339\u914d）\u3001constructor（\u6309\u6784\u9020\u51fd\u6570\u53c2\u6570\u7c7b\u578b\u5339\u914d）\u3002 <\/span><\/p>\n

\u4f9d\u8d56\u6ce8\u2f0a\u2f45\u5f0f <\/span><\/p>\n

1. <\/span>\u6784\u9020\u51fd\u6570\u6ce8\u2f0a：\u901a\u8fc7\u6784\u9020\u51fd\u6570\u53c2\u6570\u6ce8\u2f0a\u4f9d\u8d56，XML\u4e2d\u2f64<constructor-arg>\u6807\u7b7e，\u2f40\u6301index（\u53c2\u6570 <\/span><\/p>\n

\u7d22\u5f15）\u3001type（\u53c2\u6570\u7c7b\u578b）\u6307\u5b9a\u3002<\/span>2. <\/span>Setter\u2f45\u6cd5\u6ce8\u2f0a：\u901a\u8fc7setter\u2f45\u6cd5\u6ce8\u2f0a\u4f9d\u8d56，XML\u4e2d\u2f64<property>\u6807\u7b7e，\u2f40\u6301p-namespace\u7b80\u5316\u914d <\/span><\/p>\n

\u7f6e\u3002 <\/span><\/p>\n

3. <\/span>\u6ce8\u89e3\u6ce8\u2f0a：@Autowired（\u6309\u7c7b\u578b\u5339\u914d）\u3001@Qualifier（\u6307\u5b9aBean\u540d\u79f0，\u89e3\u51b3\u7c7b\u578b\u51b2\u7a81）\u3001 <\/span><\/p>\n

@Resource（\u6309\u540d\u79f0\u5339\u914d，JSR-250\u6807\u51c6）\u3002 <\/span><\/p>\n

\u4e09\u3001AOP（\u6838\u2f3c\u2fbc\u9891\u8003\u70b9） <\/span><\/p>\n

\u6838\u2f3c\u6982\u5ff5 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9a\u4e49：\u2faf\u5411\u5207\u2faf\u7f16\u7a0b，\u5c06\u2f47\u5fd7\u3001\u6743\u9650\u3001\u4e8b\u52a1\u7b49\u6a2a\u5207\u5173\u6ce8\u70b9\u4ece\u4e1a\u52a1\u903b\u8f91\u4e2d\u5206\u79bb，\u5b9e\u73b0\u6a21\u5757\u5316\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u672f\u8bed： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

JointPoint（\u8fde\u63a5\u70b9）：\u7a0b\u5e8f\u6267\u2f8f\u7684\u7279\u5b9a\u70b9（\u5982\u2f45\u6cd5\u8c03\u2f64\u3001\u7c7b\u521d\u59cb\u5316）\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Pointcut（\u5207\u2f0a\u70b9）：\u5b9a\u4e49\u901a\u77e5\u6267\u2f8f\u7684\u8fde\u63a5\u70b9\u96c6\u5408（\u5982\u201c\u6240\u6709service\u5305\u4e0b\u7684\u2f45\u6cd5\u201d）\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Advice（\u901a\u77e5）：\u5207\u2f0a\u70b9\u6267\u2f8f\u65f6\u7684\u903b\u8f91，\u5305\u62ec\u524d\u7f6e（before）\u3001\u540e\u7f6e（after）\u3001\u73af\u7ed5 <\/span><\/p>\n

（around）\u3001\u8fd4\u56de\u540e（after-returning）\u3001\u629b\u51fa\u5f02\u5e38\u540e（after-throwing）\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Aspect（\u5207\u2faf）：\u901a\u77e5+\u5207\u2f0a\u70b9\u7684\u7ec4\u5408\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Weaving（\u7ec7\u2f0a）：\u5c06\u5207\u2faf\u878d\u2f0a\u2f6c\u6807\u5bf9\u8c61\u7684\u8fc7\u7a0b（\u9759\u6001\u7ec7\u2f0a：\u7f16\u8bd1\u671f；\u52a8\u6001\u7ec7\u2f0a：\u8fd0\u2f8f\u65f6， <\/span><\/p>\n

Spring AOP\u91c7\u2f64）\u3002 <\/span><\/p>\n

\u5b9e\u73b0\u2f45\u5f0f <\/span><\/p>\n

1. <\/span>XML\u914d\u7f6e\u2f45\u5f0f：\u901a\u8fc7<aop:config>\u6807\u7b7e\u58f0\u660e\u5207\u2faf\u3001\u5207\u2f0a\u70b9\u3001\u901a\u77e5，\u4f9d\u8d56aspectj\u76f8\u5173jar\u5305 <\/span><\/p>\n

（aspectjrt.jar\u3001aspectjweaver.jar）\u3002 <\/span><\/p>\n

2. <\/span>@AspectJ\u6ce8\u89e3\u2f45\u5f0f： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u542f\u2f64\u6ce8\u89e3\u2f40\u6301：<aop:aspectj-autoproxy\/>\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u58f0\u660e\u5207\u2faf：@Aspect\u6ce8\u89e3\u7c7b\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u58f0\u660e\u5207\u2f0a\u70b9：@Pointcut\u6ce8\u89e3\u2f45\u6cd5（\u8868\u8fbe\u5f0f\u5982execution(* [com.xxx](com.xxx).service.<\/span>. <\/span><\/p>\n

(..))）\u3002 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u58f0\u660e\u901a\u77e5：@Before\u3001@After\u3001@Around\u7b49\u6ce8\u89e3\u2f45\u6cd5\u3002 <\/span><\/p>\n

\u4e0eAspectJ\u7684\u5173\u7cfb <\/span><\/p>\n

\u2022 <\/span><\/p>\n

AspectJ\u662f\u5b8c\u6574AOP\u6807\u51c6，\u2f40\u6301\u7f16\u8bd1\u671f\u7ec7\u2f0a；Spring AOP\u662f\u57fa\u4e8e\u4ee3\u7406\u7684\u8f7b\u91cf\u7ea7\u5b9e\u73b0，\u2f46\u4fb5\u2f0a\u6027\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Spring AOP\u501f\u2f64@AspectJ\u6ce8\u89e3\u2edb\u683c，\u4f9d\u8d56AspectJ\u8fdb\u2f8f\u5207\u2f0a\u70b9\u89e3\u6790，\u4f46\u8fd0\u2f8f\u65f6\u4e0d\u4f9d\u8d56AspectJ\u7f16\u8bd1 <\/span><\/p>\n

\u5668\/\u7ec7\u2f0a\u5668\u3002 <\/span><\/p>\n

\u56db\u3001\u4e8b\u52a1\u7ba1\u7406（\u91cd\u8981\u8003\u70b9） <\/span><\/p>\n

\u4e8b\u52a1\u6838\u2f3c\u5c5e\u6027（ACID）<\/span>\u2022 <\/span><\/p>\n

\u539f\u2f26\u6027（Atomicity）：\u4e8b\u52a1\u64cd\u4f5c\u8981\u4e48\u5168\u6210，\u8981\u4e48\u5168\u56de\u6eda\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f00\u81f4\u6027（Consistency）：\u4e8b\u52a1\u524d\u540e\u6570\u636e\u5b8c\u6574\u6027\u2f00\u81f4\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u9694\u79bb\u6027（Isolation）：\u591a\u4e2a\u4e8b\u52a1\u5e76\u53d1\u6267\u2f8f\u4e92\u4e0d\u2f32\u6270\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6301\u4e45\u6027（Durability）：\u4e8b\u52a1\u63d0\u4ea4\u540e\u7ed3\u679c\u6c38\u4e45\u6709\u6548\u3002 <\/span><\/p>\n

\u4e8b\u52a1\u7ba1\u7406\u7c7b\u578b <\/span><\/p>\n

\u7c7b\u578b <\/span><\/p>\n

\u7279\u70b9 <\/span><\/p>\n

\u5b9e\u73b0\u2f45\u5f0f <\/span><\/p>\n

\u7f16\u7a0b\u5f0f <\/span><\/p>\n

\u7075\u6d3b\u6027\u2fbc，\u4ee3\u7801\u4fb5\u2f0a\u6027\u5f3a <\/span><\/p>\n

\u76f4\u63a5\u4f7f\u2f64 <\/span><\/p>\n

PlatformTransactionManag <\/span><\/p>\n

er API <\/span><\/p>\n

\u58f0\u660e\u5f0f <\/span><\/p>\n

\u2f46\u4fb5\u2f0a，\u4e0e\u4e1a\u52a1\u903b\u8f91\u5206\u79bb <\/span><\/p>\n

XML\u914d\u7f6e（<tx:advice>）\u6216 <\/span><\/p>\n

\u6ce8\u89e3（@Transactional） <\/span><\/p>\n

\u6838\u2f3c\u914d\u7f6e <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4e8b\u52a1\u7ba1\u7406\u5668：DataSourceTransactionManager（JDBC\/MyBatis）\u3001 <\/span><\/p>\n

HibernateTransactionManager（Hibernate）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u58f0\u660e\u5f0f\u4e8b\u52a1\u6ce8\u89e3：@Transactional，\u53ef\u6307\u5b9a\u9694\u79bb\u7ea7\u522b（\u5982ISOLATION_READ_COMMITTED）\u3001\u4f20 <\/span><\/p>\n

\u64ad\u2f8f\u4e3a（\u5982REQUIRED）\u3001\u8d85\u65f6\u65f6\u95f4\u3001\u662f\u5426\u53ea\u8bfb\u3002 <\/span><\/p>\n

\u4e94\u3001Spring MVC（Web\u5c42\u8003\u70b9） <\/span><\/p>\n

\u6838\u2f3c\u67b6\u6784 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

MVC\u6a21\u5f0f：\u6a21\u578b（POJO\u5c01\u88c5\u6570\u636e）\u3001\u89c6\u56fe（\u5448\u73b0\u6a21\u578b\u6570\u636e，\u5982JSP）\u3001\u63a7\u5236\u5668（\u5904\u7406\u8bf7\u6c42，\u6784\u5efa <\/span><\/p>\n

\u6a21\u578b\u5e76\u8df3\u8f6c\u89c6\u56fe）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3cDispatcherServlet：\u63a5\u6536\u6240\u6709HTTP\u8bf7\u6c42，\u534f\u8c03HandlerMapping（\u9009\u62e9\u63a7\u5236\u5668）\u3001 <\/span><\/p>\n

Controller（\u5904\u7406\u8bf7\u6c42）\u3001ViewResolver（\u89e3\u6790\u89c6\u56fe）\u3002 <\/span><\/p>\n

\u8bf7\u6c42\u5904\u7406\u6d41\u7a0b <\/span><\/p>\n

1. <\/span>\u5ba2\u2f3e\u7aef\u53d1\u9001\u8bf7\u6c42\u2f84DispatcherServlet\u3002 <\/span><\/p>\n

2. <\/span>DispatcherServlet\u901a\u8fc7HandlerMapping\u627e\u5230\u5bf9\u5e94Controller\u3002 <\/span><\/p>\n

3. <\/span>Controller\u5904\u7406\u8bf7\u6c42，\u6784\u5efa\u6a21\u578b\u6570\u636e，\u8fd4\u56de\u89c6\u56fe\u540d\u79f0\u3002 <\/span><\/p>\n

4. <\/span>ViewResolver\u6839\u636e\u89c6\u56fe\u540d\u79f0\u89e3\u6790\u5b9e\u9645\u89c6\u56fe（\u5982JSP\u8def\u5f84）\u3002 <\/span><\/p>\n

5. <\/span>DispatcherServlet\u5c06\u6a21\u578b\u6570\u636e\u4f20\u2f0a\u89c6\u56fe，\u6e32\u67d3\u540e\u54cd\u5e94\u5ba2\u2f3e\u7aef\u3002<\/span>\u6838\u2f3c\u914d\u7f6e\u4e0e\u6ce8\u89e3 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u914d\u7f6e\u2f42\u4ef6：web.xml（\u914d\u7f6eDispatcherServlet）\u3001[servlet-name]-servlet.xml（\u7ec4\u4ef6\u626b\u63cf\u3001\u89c6\u56fe <\/span><\/p>\n

\u89e3\u6790\u5668\u914d\u7f6e）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u63a7\u5236\u5668\u6ce8\u89e3：@Controller（\u58f0\u660e\u63a7\u5236\u5668）\u3001@RequestMapping（\u6620\u5c04URL\u4e0e\u8bf7\u6c42\u2f45\u6cd5，\u2f40\u6301 <\/span><\/p>\n

value\/method\u5c5e\u6027）\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u89c6\u56fe\u89e3\u6790\u5668：InternalResourceViewResolver（\u914d\u7f6eprefix\u524d\u7f00\u548csuffix\u540e\u7f00，\u5982\/WEB-INF\/jsp\/ <\/span><\/p>\n

\u548c.jsp）\u3002 <\/span><\/p>\n

\u5e38\u2ec5\u529f\u80fd <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8868\u5355\u5904\u7406：\u901a\u8fc7@ModelAttribute\u7ed1\u5b9a\u8bf7\u6c42\u53c2\u6570\u5230POJO\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2eda\u2faf\u91cd\u5b9a\u5411：\u8fd4\u56de\u201credirect:\u2f6c\u6807URL\u201d\u3002 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u9759\u6001\u8d44\u6e90\u8bbf\u95ee：\u901a\u8fc7<mvc:resources>\u6807\u7b7e\u6620\u5c04（\u5982mapping="\/pages\/**"，location="\/WEB<\/span><\/p>\n

INF\/pages\/"）\u3002 <\/span><\/p>\n

\u516d\u3001\u6ce8\u89e3\u6c47\u603b（\u6613\u9519\u8003\u70b9） <\/span><\/p>\n

\u6ce8\u89e3 <\/span><\/p>\n

\u4f5c\u2f64 <\/span><\/p>\n

\u9002\u2f64\u573a\u666f <\/span><\/p>\n

@Component <\/span><\/p>\n

\u58f0\u660eSpring\u7ec4\u4ef6（\u901a\u2f64） <\/span><\/p>\n

\u666e\u901aJava\u7c7b <\/span><\/p>\n

@Controller <\/span><\/p>\n

\u58f0\u660e\u63a7\u5236\u5668\u7ec4\u4ef6 <\/span><\/p>\n

Web\u5c42\u63a7\u5236\u5668\u7c7b <\/span><\/p>\n

@Service <\/span><\/p>\n

\u58f0\u660e\u670d\u52a1\u5c42\u7ec4\u4ef6 <\/span><\/p>\n

\u4e1a\u52a1\u903b\u8f91\u5c42\u7c7b <\/span><\/p>\n

@Repository <\/span><\/p>\n

\u58f0\u660e\u6570\u636e\u8bbf\u95ee\u5c42\u7ec4\u4ef6 <\/span><\/p>\n

DAO\u5c42\u7c7b <\/span><\/p>\n

@Autowired <\/span><\/p>\n

\u6309\u7c7b\u578b\u6ce8\u2f0a\u4f9d\u8d56 <\/span><\/p>\n

\u6784\u9020\u51fd\u6570\u3001setter\u2f45\u6cd5\u3001\u5b57\u6bb5 <\/span><\/p>\n

@Qualifier <\/span><\/p>\n

\u914d\u5408@Autowired，\u6307\u5b9a <\/span><\/p>\n

Bean\u540d\u79f0 <\/span><\/p>\n

\u540c\u2f00\u7c7b\u578b\u591a\u4e2aBean\u65f6 <\/span><\/p>\n

@Resource <\/span><\/p>\n

\u6309\u540d\u79f0\u6ce8\u2f0a\u4f9d\u8d56（JSR-250） <\/span><\/p>\n

\u5b57\u6bb5\u3001setter\u2f45\u6cd5 <\/span><\/p>\n

@Configuration <\/span><\/p>\n

\u58f0\u660eJava\u914d\u7f6e\u7c7b <\/span><\/p>\n

\u914d\u7f6e\u7c7b（\u914d\u5408@Bean） <\/span><\/p>\n

@Bean <\/span><\/p>\n

\u58f0\u660eBean（Java\u914d\u7f6e） <\/span><\/p>\n

\u914d\u7f6e\u7c7b\u4e2d\u7684\u2f45\u6cd5 <\/span><\/p>\n

@Transactional <\/span><\/p>\n

\u58f0\u660e\u4e8b\u52a1（\u58f0\u660e\u5f0f\u4e8b\u52a1） <\/span><\/p>\n

\u670d\u52a1\u5c42\u2f45\u6cd5\/\u7c7b <\/span><\/p>\n

@Aspect <\/span><\/p>\n

\u58f0\u660eAOP\u5207\u2faf <\/span><\/p>\n

\u5207\u2faf\u7c7b <\/span><\/p>\n

@Pointcut <\/span><\/p>\n

\u58f0\u660eAOP\u5207\u2f0a\u70b9 <\/span><\/p>\n

\u5207\u2faf\u7c7b\u4e2d\u7684\u2f45\u6cd5<\/span>@Before\/@After <\/span><\/p>\n

\u58f0\u660eAOP\u524d\u7f6e\/\u540e\u7f6e\u901a\u77e5 <\/span><\/p>\n

\u5207\u2faf\u7c7b\u4e2d\u7684\u2f45\u6cd5 <\/span><\/p>\n

\u4e03\u3001\u6613\u9519\u70b9\u4e0e\u2fbc\u9891\u8003\u70b9\u603b\u7ed3 <\/span><\/p>\n

1. <\/span>\u533a\u5206Bean\u7684singleton\u4e0eprototype\u4f5c\u2f64\u57df\u7684\u521b\u5efa\u65f6\u673a\u548c\u9002\u2f64\u573a\u666f\u3002 <\/span><\/p>\n

2. <\/span>\u533a\u5206@Autowired\u3001@Qualifier\u3001@Resource\u7684\u6ce8\u2f0a\u89c4\u5219\u3002 <\/span><\/p>\n

3. <\/span>AOP\u901a\u77e5\u7c7b\u578b\u7684\u6267\u2f8f\u987a\u5e8f（\u73af\u7ed5\u901a\u77e5\u5305\u88f9\u524d\u7f6e\/\u540e\u7f6e\u901a\u77e5）\u3002 <\/span><\/p>\n

4. <\/span>\u58f0\u660e\u5f0f\u4e8b\u52a1\u7684\u4f20\u64ad\u2f8f\u4e3a（\u5982REQUIRED：\u5f53\u524d\u2f46\u4e8b\u52a1\u5219\u521b\u5efa，\u6709\u5219\u52a0\u2f0a）\u3002 <\/span><\/p>\n

5. <\/span>Spring MVC\u7684\u8bf7\u6c42\u5904\u7406\u6d41\u7a0b\u53caDispatcherServlet\u7684\u4f5c\u2f64\u3002 <\/span><\/p>\n

6. <\/span>IOC\u5bb9\u5668\u4e0eBean\u7684\u2f63\u547d\u5468\u671f\u56de\u8c03\u2f45\u6cd5\u7684\u5b9e\u73b0\u2f45\u5f0f\u3002 <\/span><\/p>\n

\u8981\u4e0d\u8981\u6211\u5e2e\u4f60\u6574\u7406\u2f00\u4efdSpring\u6838\u2f3c\u8003\u70b9\u771f\u9898\u6f14\u7ec3\u53ca\u7b54\u6848\u89e3\u6790？\u5305\u542b\u9009\u62e9\u9898\u3001\u7b80\u7b54\u9898\u548c\u7f16\u7a0b\u9898，\u8d34\u5408\u671f <\/span><\/p>\n

\u672b\u8003\u8bd5\u9898\u578b，\u5e2e\u52a9\u4f60\u5de9\u56fa\u91cd\u70b9\u77e5\u8bc6\u3002 <\/span><\/p>\n

Docker <\/span><\/p>\n

\u2f00\u3001\u6838\u2f3c\u57fa\u7840（\u6982\u5ff5+\u539f\u7406，\u5fc5\u8003） <\/span><\/p>\n

1. \u4e3a\u4ec0\u4e48\u9700\u8981 Docker？（\u6838\u2f3c\u75db\u70b9） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u89e3\u51b3\u73af\u5883\u2f00\u81f4\u6027\u95ee\u9898：\u907f\u514d\u201c\u5f00\u53d1\u73af\u5883\u80fd\u8dd1，\u2f63\u4ea7\u73af\u5883\u8dd1\u4e0d\u4e86\u201d（JDK\u7248\u672c\u3001\u4f9d\u8d56\u3001\u914d\u7f6e\u4e0d\u2f00\u81f4） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f18\u52bf：\u8f7b\u91cf（\u2f50\u865a\u62df\u673a\u8d44\u6e90\u5360\u2f64\u4f4e\u3001\u542f\u52a8\u5feb）\u3001\u90e8\u7f72\u7b80\u5355（\u2f46\u9700\u2f3f\u52a8\u5b89\u88c5\u4f9d\u8d56） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u2f6c\u6807： <\/span>Build once, Run anywhere <\/span><\/p>\n

2. \u8bde\u2f63\u4e0e\u53d1\u5c55（\u4e86\u89e3\u5173\u952e\u8282\u70b9） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

2013\u5e74：\u5f00\u6e90\u53d1\u5e03（\u57fa\u4e8eLinux\u5185\u6838\u5bb9\u5668\u6280\u672f） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

2014\u5e74：1.0\u6b63\u5f0f\u7248，\u6380\u8d77\u5bb9\u5668\u5316\u70ed\u6f6e <\/span><\/p>\n

\u2022 <\/span><\/p>\n

2017\u5e74：Docker Desktop\u53d1\u5e03（\u2f40\u6301Windows\/Mac，\u2f46\u9700\u2f3f\u52a8\u914d\u7f6eLinux\u5185\u6838） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9a\u4f4d：\u4e91\u539f\u2f63\u5f00\u53d1\u57fa\u7840\u2f2f\u5177，\u4e0eJava\u3001Spring\u2f63\u6001\u6df1\u5ea6\u96c6\u6210 <\/span><\/p>\n

3. \u6838\u2f3c\u2f2f\u4f5c\u539f\u7406（\u91cd\u70b9） <\/span><\/p>\n

\u57fa\u4e8eLinux\u5185\u6838\u4e24\u2f24\u6838\u2f3c\u6280\u672f\u5b9e\u73b0\u8f7b\u91cf\u7ea7\u9694\u79bb： <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Namespace（\u547d\u540d\u7a7a\u95f4）：\u7ed9\u5bb9\u5668\u63d0\u4f9b\u72ec\u2f74\u201c\u73af\u5883\u89c6\u2ec6\u201d（PID\u3001\u2f79\u7edc\u3001\u2f42\u4ef6\u7cfb\u7edf），\u8ba9\u5bb9\u5668\u8bef\u4ee5 <\/span><\/p>\n

\u4e3a\u662f\u72ec\u2f74\u4e3b\u673a <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Cgroups（\u63a7\u5236\u7ec4）：\u9650\u5236\u5bb9\u5668\u8d44\u6e90\u4f7f\u2f64（CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8IO），\u907f\u514d\u8d44\u6e90\u62a2\u5360 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u901a\u4fd7\u7c7b\u2f50：\u5bb9\u5668=\u201c\u96c6\u88c5\u7bb1\u201d（\u88c5\u5e94\u2f64+\u4f9d\u8d56），\u5bbf\u4e3b\u673a=\u201c\u8239\u201d，\u5171\u4eab\u57fa\u7840\u8d44\u6e90，\u2f50\u865a\u62df\u673a（\u5355\u72ec <\/span><\/p>\n

\u5f00\u8239）\u66f4\u2fbc\u6548<\/span>4. \u56db\u2f24\u6838\u2f3c\u6982\u5ff5（\u8fa8\u6790\u9898\u2fbc\u9891） <\/span><\/p>\n

\u6982\u5ff5 <\/span><\/p>\n

\u5b9a\u4e49\/\u4f5c\u2f64 <\/span><\/p>\n

\u7c7b\u2f50 <\/span><\/p>\n

\u955c\u50cf（Image） <\/span><\/p>\n

\u5e94\u2f64+\u4f9d\u8d56（JDK\u3001\u5e93\u3001\u914d <\/span><\/p>\n

\u7f6e）\u7684\u201c\u5b89\u88c5\u5305\u201d，\u53ea\u8bfb <\/span><\/p>\n

Windows\u5b89\u88c5\u5149\u76d8\u3001APP\u5b89 <\/span><\/p>\n

\u88c5\u5305 <\/span><\/p>\n

\u5bb9\u5668（Container） <\/span><\/p>\n

\u955c\u50cf\u8fd0\u2f8f\u540e\u7684\u5b9e\u4f8b，\u53ef\u542f\u505c\u3001 <\/span><\/p>\n

\u6682\u505c\u3001\u5220\u9664 <\/span><\/p>\n

\u5df2\u5b89\u88c5\u7684\u8f6f\u4ef6\u3001\u8fd0\u2f8f\u4e2d\u7684APP <\/span><\/p>\n

Dockerfile <\/span><\/p>\n

\u6784\u5efa\u955c\u50cf\u7684\u201c\u914d\u2f45\u2f42\u4ef6\u201d，\u660e <\/span><\/p>\n

\u2f42\u6307\u4ee4\u96c6\u5408 <\/span><\/p>\n

\u83dc\u8c31（\u53ef\u91cd\u590d\u6267\u2f8f） <\/span><\/p>\n

\u4ed3\u5e93（Registry） <\/span><\/p>\n

\u5b58\u50a8\u955c\u50cf\u7684\u4e91\u5e73\u53f0（\u516c\u5f00\/\u79c1 <\/span><\/p>\n

\u6709），\u2f64\u4e8e\u5206\u4eab\u4e0b\u8f7d <\/span><\/p>\n

App Store\u3001Docker Hub <\/span><\/p>\n

\u2f06\u3001\u5b89\u88c5\u4e0e\u57fa\u7840\u547d\u4ee4（\u5b9e\u64cd\u9898\u6838\u2f3c） <\/span><\/p>\n

1. Linux\u5b89\u88c5（Ubuntu\/Debian\u2f70\u4f8b） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

# <\/span>\u5b89\u88c5<\/span>Docker <\/span><\/p>\n

curl -fsSL https:\/\/get.docker.com | bash -s — –dry-run <\/span><\/p>\n

# <\/span>\u514d<\/span>root<\/span>\u64cd\u4f5c（\u5173\u952e，\u907f\u514d\u6743\u9650\u95ee\u9898） <\/span><\/p>\n

sudo usermod -aG docker <\/span>$USER <\/span><\/p>\n

newgrp docker <\/span><\/p>\n

# <\/span>\u9a8c\u8bc1\u5b89\u88c5 <\/span><\/p>\n

docker –version <\/span><\/p>\n

docker info <\/span><\/p>\n

2. \u955c\u50cf\u64cd\u4f5c\u547d\u4ee4（\u2fbc\u9891） <\/span><\/p>\n

\u529f\u80fd <\/span><\/p>\n

\u547d\u4ee4\u2f70\u4f8b <\/span><\/p>\n

\u6ce8\u610f\u4e8b\u9879 <\/span><\/p>\n

\u62c9\u53d6\u955c\u50cf <\/span><\/p>\n

docker pull openjdk:8- <\/span><\/p>\n

jdk-alpine <\/span><\/p>\n

\u683c\u5f0f：\u955c\u50cf\u540d:\u7248\u672c（\u9ed8\u8ba4 <\/span><\/p>\n

latest） <\/span><\/p>\n

\u67e5\u770b\u672c\u5730\u955c\u50cf <\/span><\/p>\n

docker images <\/span><\/p>\n

\u663e\u2f70\u4ed3\u5e93\u540d\u3001\u7248\u672c\u3001\u955c\u50cfID\u3001 <\/span><\/p>\n

\u2f24\u2f29 <\/span><\/p>\n

\u5220\u9664\u672c\u5730\u955c\u50cf <\/span><\/p>\n

docker rmi <\/span>\u955c\u50cf<\/span>ID\/<\/span>\u955c\u50cf <\/span><\/p>\n

\u540d<\/span>:<\/span>\u7248\u672c <\/span><\/p>\n

\u9700\u5148\u5220\u9664\u4f9d\u8d56\u8be5\u955c\u50cf\u7684\u5bb9\u5668 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8<\/span>3. \u5bb9\u5668\u64cd\u4f5c\u547d\u4ee4（\u5fc5\u8003\u5b9e\u64cd） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

# 1. <\/span>\u8fd0\u2f8f\u5bb9\u5668（\u6700\u6838\u2f3c，\u53c2\u6570\u5fc5\u987b\u8bb0） <\/span><\/p>\n

docker run -d -p <\/span>\u4e3b\u673a\u7aef\u2f1d<\/span>:<\/span>\u5bb9\u5668\u7aef\u2f1d <\/span>–name <\/span>\u5bb9\u5668\u540d \u955c\u50cf\u540d<\/span>:<\/span>\u7248\u672c <\/span><\/p>\n

# <\/span>\u53c2\u6570\u89e3\u91ca： <\/span><\/p>\n

# -d<\/span>：\u540e\u53f0\u8fd0\u2f8f（\u4e0d\u5360\u2f64\u7ec8\u7aef） <\/span><\/p>\n

# -p<\/span>：\u7aef\u2f1d\u6620\u5c04（\u5916\u90e8\u901a\u8fc7\u4e3b\u673a\u7aef\u2f1d\u8bbf\u95ee\u5bb9\u5668） <\/span><\/p>\n

# –name<\/span>：\u5bb9\u5668\u522b\u540d（\u2f45\u4fbf\u540e\u7eed\u64cd\u4f5c） <\/span><\/p>\n

# 2. <\/span>\u67e5\u770b\u5bb9\u5668 <\/span><\/p>\n

docker ps <\/span># <\/span>\u8fd0\u2f8f\u4e2d\u7684\u5bb9\u5668 <\/span><\/p>\n

docker ps -a <\/span># <\/span>\u6240\u6709\u5bb9\u5668（\u542b\u505c\u2f4c\u7684） <\/span><\/p>\n

# 3. <\/span>\u542f\u505c<\/span>\/<\/span>\u5220\u9664 <\/span><\/p>\n

docker stop <\/span>\u5bb9\u5668\u540d<\/span>\/ID <\/span># <\/span>\u505c\u2f4c <\/span><\/p>\n

docker start <\/span>\u5bb9\u5668\u540d<\/span>\/ID <\/span># <\/span>\u542f\u52a8 <\/span><\/p>\n

docker <\/span>rm <\/span>\u5bb9\u5668\u540d<\/span>\/ID <\/span># <\/span>\u5220\u9664（\u9700\u5148\u505c\u2f4c） <\/span><\/p>\n

# 4. <\/span>\u6392\u67e5\u9519\u8bef <\/span><\/p>\n

docker logs <\/span>\u5bb9\u5668\u540d<\/span>\/ID <\/span># <\/span>\u67e5\u770b\u5bb9\u5668\u2f47\u5fd7 <\/span><\/p>\n

# 5. <\/span>\u8fdb\u2f0a\u5bb9\u5668（\u8c03\u8bd5\u2f64） <\/span><\/p>\n

docker <\/span>exec <\/span>-it <\/span>\u5bb9\u5668\u540d<\/span>\/ID \/bin\/sh <\/span># alpine<\/span>\u7cfb\u7edf\u2f64<\/span>\/bin\/sh<\/span>，<\/span>Ubuntu<\/span>\u2f64<\/span>\/bin\/bash <\/span><\/p>\n

exit <\/span># <\/span>\u9000\u51fa\u5bb9\u5668 <\/span><\/p>\n

\u4e09\u3001Dockerfile（\u7f16\u7a0b\u9898\u2fbc\u9891） <\/span><\/p>\n

1. \u57fa\u7840\u6307\u4ee4（\u5fc5\u987b\u638c\u63e1） <\/span><\/p>\n

\u6307\u4ee4 <\/span><\/p>\n

\u4f5c\u2f64 <\/span><\/p>\n

\u2f70\u4f8b <\/span><\/p>\n

FROM <\/span><\/p>\n

\u6307\u5b9a\u57fa\u7840\u955c\u50cf（\u7b2c\u2f00\u2f8f\u5fc5\u987b\u662f <\/span><\/p>\n

FROM） <\/span><\/p>\n

FROM openjdk:8-jdk<\/span><\/p>\n

alpine <\/span><\/p>\n

COPY <\/span><\/p>\n

\u672c\u5730\u2f42\u4ef6\/\u2f6c\u5f55\u590d\u5236\u5230\u5bb9\u5668 <\/span><\/p>\n

COPY target\/myapp.jar <\/span><\/p>\n

\/app.jar <\/span><\/p>\n

RUN <\/span><\/p>\n

\u6784\u5efa\u955c\u50cf\u65f6\u6267\u2f8f\u547d\u4ee4（\u5b89\u88c5\u4f9d <\/span><\/p>\n

\u8d56\u7b49） <\/span><\/p>\n

RUN rm -rf <\/span><\/p>\n

\/usr\/local\/tomcat\/weba <\/span><\/p>\n

pps\/ROOT <\/span><\/p>\n

EXPOSE <\/span><\/p>\n

\u58f0\u660e\u5bb9\u5668\u66b4\u9732\u7aef\u2f1d（\u4ec5\u8bf4\u660e， <\/span><\/p>\n

\u2fae\u6620\u5c04） <\/span><\/p>\n

EXPOSE 8080 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

21 <\/span><\/p>\n

22<\/span>CMD\/ENTRYPOINT <\/span><\/p>\n

\u5bb9\u5668\u542f\u52a8\u65f6\u6267\u2f8f\u547d\u4ee4（\u542f\u52a8\u5e94 <\/span><\/p>\n

\u2f64） <\/span><\/p>\n

CMD ["java", "-jar", <\/span><\/p>\n

"\/app.jar"] <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u533a\u522b：CMD\u53ef\u88ab <\/span>docker run <\/span>\u540e\u53c2\u6570\u8986\u76d6，ENTRYPOINT\u4e0d\u53ef\u8986\u76d6 <\/span><\/p>\n

2. \u591a\u9636\u6bb5\u6784\u5efa（Spring Boot\u9879\u2f6c\u5fc5\u8003） <\/span><\/p>\n

\u6838\u2f3c：\u5206\u79bb\u6784\u5efa\u9636\u6bb5\u548c\u8fd0\u2f8f\u9636\u6bb5，\u51cf\u2f29\u955c\u50cf\u4f53\u79ef <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

# <\/span>\u6784\u5efa\u9636\u6bb5（\u7f16\u8bd1\u6253\u5305） <\/span><\/p>\n

FROM <\/span>maven:<\/span>3.9<\/span>-eclipse-temurin-<\/span>17 <\/span>AS build <\/span><\/p>\n

WORKDIR <\/span>\/app <\/span><\/p>\n

COPY <\/span>pom.xml . <\/span><\/p>\n

COPY <\/span>src .\/src <\/span><\/p>\n

RUN <\/span>mvn -B clean package -DskipTests <\/span><\/p>\n

# <\/span>\u8fd0\u2f8f\u9636\u6bb5（\u4ec5\u4fdd\u7559\u8fd0\u2f8f\u4f9d\u8d56） <\/span><\/p>\n

FROM <\/span>eclipse-temurin:<\/span>17<\/span>-jre-alpine <\/span><\/p>\n

WORKDIR <\/span>\/app <\/span><\/p>\n

COPY <\/span>–from=build \/app\/target\/*.jar app.jar <\/span># <\/span>\u4ece\u6784\u5efa\u9636\u6bb5\u590d\u5236<\/span>Jar<\/span>\u5305 <\/span><\/p>\n

EXPOSE <\/span>8080 <\/span><\/p>\n

ENTRYPOINT <\/span>[<\/span>"java"<\/span>,<\/span>"-jar"<\/span>,<\/span>"app.jar"<\/span>] <\/span><\/p>\n

3. \u6784\u5efa\u4e0e\u8fd0\u2f8f\u547d\u4ee4 <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

# <\/span>\u6784\u5efa\u955c\u50cf（<\/span>-t <\/span>\u6307\u5b9a\u540d\u79f0\u548c\u7248\u672c，\u672b\u5c3e<\/span>.<\/span>\u4e0d\u53ef\u5c11） <\/span><\/p>\n

docker build -t spring-demo:1.0 . <\/span><\/p>\n

# <\/span>\u8fd0\u2f8f\u955c\u50cf <\/span><\/p>\n

docker run -d -p 8080:8080 –name myapp spring-demo:1.0 <\/span><\/p>\n

# <\/span>\u6d4b\u8bd5\u8bbf\u95ee <\/span><\/p>\n

curl http:\/\/localhost:8080\/hello <\/span><\/p>\n

\u56db\u3001Spring Boot + Docker \u96c6\u6210（\u5e94\u2f64\u9898） <\/span><\/p>\n

1. \u57fa\u7840\u955c\u50cf\u9009\u62e9（\u4f18\u5316\u8003\u70b9） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b98\u2f45： <\/span>openjdk:17-jdk-slim <\/span>（200MB+，\u7a33\u5b9a） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u793e\u533a： <\/span>eclipse-temurin:17-jre-alpine <\/span>（\u66f4\u2f29，\u9002\u5408\u2f63\u4ea7） <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8<\/span>2. \u6838\u2f3c\u8981\u6c42 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u80fd\u72ec\u2f74\u7f16\u5199Spring Boot\u9879\u2f6c\u7684Dockerfile（\u591a\u9636\u6bb5\u6784\u5efa） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u638c\u63e1\u6784\u5efa\u3001\u8fd0\u2f8f\u3001\u6d4b\u8bd5\u7684\u5b8c\u6574\u6d41\u7a0b <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u7406\u89e3\u7aef\u2f1d\u6620\u5c04\u3001\u5bb9\u5668\u547d\u540d\u7684\u4f5c\u2f64 <\/span><\/p>\n

\u4e94\u3001Docker Compose（\u591a\u5bb9\u5668\u7ba1\u7406，\u7efc\u5408\u9898） <\/span><\/p>\n

1. \u6838\u2f3c\u4f5c\u2f64 <\/span><\/p>\n

\u7ba1\u7406\u591a\u5bb9\u5668\u5e94\u2f64（\u5982Spring Boot + MySQL），\u7b80\u5316\u914d\u7f6e\u548c\u542f\u52a8\u6d41\u7a0b <\/span><\/p>\n

2. docker-compose.yml \u2f70\u4f8b（\u91cd\u70b9） <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

version: <\/span>"3.9" <\/span># <\/span>\u7248\u672c\u9700\u4e0e<\/span>Docker<\/span>\u517c\u5bb9 <\/span><\/p>\n

services: <\/span><\/p>\n

db: <\/span># MySQL<\/span>\u670d\u52a1 <\/span><\/p>\n

image: <\/span>mysql:8.0 <\/span><\/p>\n

environment: <\/span># <\/span>\u73af\u5883\u53d8\u91cf（\u6570\u636e\u5e93\u5bc6\u7801\u3001\u5e93\u540d） <\/span><\/p>\n

MYSQL_ROOT_PASSWORD: <\/span>root <\/span><\/p>\n

MYSQL_DATABASE: <\/span>demo <\/span><\/p>\n

volumes: <\/span># <\/span>\u6570\u636e\u6301\u4e45\u5316（\u907f\u514d\u5bb9\u5668\u5220\u9664\u6570\u636e\u4e22\u5931） <\/span><\/p>\n

– <\/span>db_data:\/var\/lib\/mysql <\/span><\/p>\n

app: <\/span># Spring Boot<\/span>\u670d\u52a1 <\/span><\/p>\n

build: <\/span>. <\/span># <\/span>\u672c\u5730\u6784\u5efa\u955c\u50cf（\u5f53\u524d\u2f6c\u5f55<\/span>Dockerfile<\/span>） <\/span><\/p>\n

ports: <\/span><\/p>\n

– <\/span>"8080:8080" <\/span><\/p>\n

depends_on: <\/span># <\/span>\u4f9d\u8d56<\/span>db<\/span>\u670d\u52a1，\u542f\u52a8\u987a\u5e8f：\u5148\u542f\u52a8<\/span>db<\/span>\u518d\u542f\u52a8<\/span>app <\/span><\/p>\n

– <\/span>db <\/span><\/p>\n

environment: <\/span># <\/span>\u6570\u636e\u5e93\u8fde\u63a5\u914d\u7f6e <\/span><\/p>\n

SPRING_DATASOURCE_URL: <\/span>jdbc:mysql:\/\/db:3306\/demo <\/span><\/p>\n

volumes: <\/span><\/p>\n

db_data: <\/span># <\/span>\u5b9a\u4e49\u6570\u636e\u5377（\u6301\u4e45\u5316<\/span>MySQL<\/span>\u6570\u636e） <\/span><\/p>\n

3. \u6838\u2f3c\u547d\u4ee4 <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

docker compose up -d <\/span># <\/span>\u540e\u53f0\u542f\u52a8\u6240\u6709\u670d\u52a1 <\/span><\/p>\n

docker compose logs -f app <\/span># <\/span>\u67e5\u770b<\/span>app<\/span>\u670d\u52a1\u2f47\u5fd7 <\/span><\/p>\n

\u516d\u3001\u6700\u4f73\u5b9e\u8df5\u4e0e\u6280\u5de7（\u63d0\u5347\u9898） <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

1 <\/span><\/p>\n

2<\/span>1. <\/span>\u955c\u50cf\u4f18\u5316：\u591a\u9636\u6bb5\u6784\u5efa + Alpine\/JRE\u955c\u50cf（\u51cf\u2f29\u4f53\u79ef） <\/span><\/p>\n

2. <\/span>\u7248\u672c\u9501\u5b9a：\u57fa\u7840\u955c\u50cf\u2f64\u5177\u4f53\u7248\u672c（\u5982 <\/span>17.0.8_7-jre-alpine <\/span>），\u907f\u514dlatest\u7248\u672c\u517c\u5bb9\u95ee\u9898 <\/span><\/p>\n

3. <\/span>\u654f\u611f\u4fe1\u606f：\u2f64 <\/span>env_file <\/span>\u5b58\u50a8，\u7981\u2f4c\u786c\u7f16\u7801\u5230Dockerfile\u6216compose\u2f42\u4ef6 <\/span><\/p>\n

4. <\/span>\u5f00\u53d1\u70ed\u52a0\u8f7d： <\/span>docker run -v "$PWD:\/app" -p 8080:8080 … <\/span>（\u6302\u8f7d\u672c\u5730\u6e90\u7801，\u4fee\u6539 <\/span><\/p>\n

\u2f46\u9700\u91cd\u65b0\u6784\u5efa） <\/span><\/p>\n

5. <\/span>\u5bb9\u5668\u8c03\u8bd5： <\/span>docker exec -it <<\/span>\u5bb9\u5668<\/span>ID> sh <\/span>（\u8fdb\u2f0a\u5bb9\u5668\u7ec8\u7aef\u6392\u67e5\u95ee\u9898） <\/span><\/p>\n

\u4e03\u3001\u8003\u70b9\u5206\u5e03\u4e0e\u590d\u4e60\u5efa\u8bae <\/span><\/p>\n

1. \u9898\u578b\u9884\u6d4b <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6982\u5ff5\u9898（20%）：\u6838\u2f3c\u6982\u5ff5\u8fa8\u6790\u3001\u2f2f\u4f5c\u539f\u7406（Namespace\/Cgroups）\u3001Docker\u4e0e\u865a\u62df\u673a\u533a\u522b <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u547d\u4ee4\u9898（30%）：\u955c\u50cf\/\u5bb9\u5668\u64cd\u4f5c\u3001\u6784\u5efa\u8fd0\u2f8f\u547d\u4ee4\u3001\u53c2\u6570\u542b\u4e49 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u7f16\u7a0b\u9898（30%）：\u7f16\u5199Dockerfile（Spring Boot\u9879\u2f6c）\u3001\u7f16\u5199docker-compose.yml（\u591a\u5bb9\u5668） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5e94\u2f64\u9898（20%）：\u5bb9\u5668\u5316\u90e8\u7f72\u6d41\u7a0b\u3001\u95ee\u9898\u6392\u67e5（\u2f47\u5fd7\u67e5\u770b）\u3001\u955c\u50cf\u4f18\u5316 <\/span><\/p>\n

2. \u590d\u4e60\u91cd\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f18\u5148\u638c\u63e1：\u6838\u2f3c\u6982\u5ff5\u3001\u955c\u50cf\/\u5bb9\u5668\u547d\u4ee4\u3001Dockerfile\u57fa\u7840\u6307\u4ee4\u3001Spring Boot\u591a\u9636\u6bb5\u6784\u5efa <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u91cd\u70b9\u7ec3\u4e60：\u72ec\u2f74\u5b8c\u6210\u201cSpring Boot\u9879\u2f6c\u5bb9\u5668\u5316\u201d\u548c\u201cMySQL+Spring Boot\u591a\u5bb9\u5668\u90e8\u7f72\u201d <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6ce8\u610f\u7ec6\u8282：\u547d\u4ee4\u53c2\u6570（\u5982 <\/span>-p <\/span>\u6620\u5c04\u683c\u5f0f）\u3001Dockerfile\u6307\u4ee4\u987a\u5e8f\u3001compose\u914d\u7f6e\u4e2d\u7684\u4f9d\u8d56\u548c\u6301\u4e45\u5316 <\/span><\/p>\n

3. \u5e38\u2f64\u8d44\u6e90（\u5907\u67e5） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Docker\u5b98\u2f45\u2f42\u6863\u3001Docker Hub（\u955c\u50cf\u67e5\u8be2）\u3001Spring Boot Docker\u6307\u5357\u3001Compose\u89c4\u8303 <\/span><\/p>\n

\u654f\u6377\u5f00\u53d1 <\/span><\/p>\n

\u2f00\u3001\u6838\u2f3c\u6982\u5ff5：\u654f\u6377\u5f00\u53d1\u4e0e\u4f20\u7edf\u5f00\u53d1\u6a21\u5f0f\u5bf9\u2f50 <\/span><\/p>\n

（\u2f00）\u654f\u6377\u8f6f\u4ef6\u5f00\u53d1（Agile Software Development） <\/span><\/p>\n

1. <\/span>\u5b9a\u4e49：\u2f1c\u79f0\u654f\u6377\u5f00\u53d1，\u662f\u5e94\u5bf9\u5feb\u901f\u53d8\u5316\u9700\u6c42\u7684\u8f6f\u4ef6\u5f00\u53d1\u6a21\u5f0f，\u6838\u2f3c\u662f\u2f00\u5957\u4ef7\u503c\u4f53\u7cfb\u548c\u5b9e\u8df5\u539f\u5219\u3002 <\/span><\/p>\n

2. <\/span>\u6838\u2f3c\u2f6c\u6807：\u5feb\u901f\u4ea4\u4ed8\u2fbc\u8d28\u91cf\u8f6f\u4ef6，\u901a\u8fc7\u9891\u7e41\u53cd\u9988\u4e0e\u8fed\u4ee3\u9002\u5e94\u9700\u6c42\u53d8\u5316，\u63d0\u5347\u5ba2\u2f3e\u6ee1\u610f\u5ea6\u548c\u5f00\u53d1\u6548 <\/span><\/p>\n

\u7387\u3002 <\/span><\/p>\n

（\u2f06）\u7011\u5e03\u5f0f\u5f00\u53d1（Waterfall Development） <\/span><\/p>\n

1. <\/span>\u5b9a\u4e49：\u4f20\u7edf\u7ebf\u6027\u5f00\u53d1\u6a21\u578b，\u6d41\u7a0b\u5206\u4e3a\u9700\u6c42\u5206\u6790\u3001\u8bbe\u8ba1\u3001\u5f00\u53d1\u3001\u6d4b\u8bd5\u3001\u90e8\u7f72\u3001\u7ef4\u62a4\u7b49\u9636\u6bb5，\u9636\u6bb5\u95f4\u4e25 <\/span><\/p>\n

\u683c\u987a\u5e8f\u63a8\u8fdb\u3002<\/span>2. <\/span>\u6838\u2f3c\u7279\u70b9： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u7ebf\u6027\u987a\u5e8f：\u524d\u2f00\u9636\u6bb5\u5b8c\u6210\u540e\u624d\u80fd\u8fdb\u2f0a\u4e0b\u2f00\u9636\u6bb5 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u2f42\u6863\u9a71\u52a8：\u5404\u9636\u6bb5\u9700\u4ea7\u51fa\u8be6\u7ec6\u2f42\u6863 <\/span><\/p>\n

3. <\/span>\u6838\u2f3c\u7f3a\u70b9： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u7075\u6d3b\u6027\u5dee：\u96be\u4ee5\u878d\u2f0a\u540e\u671f\u9700\u6c42\u53d8\u66f4 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6d4b\u8bd5\u6ede\u540e：\u7f3a\u9677\u665a\u53d1\u73b0\u5bfc\u81f4\u4fee\u590d\u6210\u672c\u2fbc <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u2f64\u2f3e\u53cd\u9988\u5ef6\u8fdf：\u4ec5\u9879\u2f6c\u5b8c\u6210\u540e\u53ef\u4ecb\u2f0a <\/span><\/p>\n

\u2f06\u3001\u654f\u6377\u5f00\u53d1\u7684\u6838\u2f3c\u57fa\u7840 <\/span><\/p>\n

（\u2f00）\u56db\u2f24\u4ef7\u503c\u89c2（\u5fc5\u8003\u91cd\u70b9） <\/span><\/p>\n

1. <\/span>\u4e2a\u4f53\u548c\u4e92\u52a8\u80dc\u8fc7\u6d41\u7a0b\u548c\u2f2f\u5177 <\/span><\/p>\n

2. <\/span>\u2f2f\u4f5c\u7684\u8f6f\u4ef6\u80dc\u8fc7\u8be6\u5c3d\u7684\u2f42\u6863 <\/span><\/p>\n

3. <\/span>\u5ba2\u2f3e\u534f\u4f5c\u80dc\u8fc7\u5408\u540c\u8c08\u5224 <\/span><\/p>\n

4. <\/span>\u54cd\u5e94\u53d8\u5316\u80dc\u8fc7\u9075\u5faa\u8ba1\u5212 <\/span><\/p>\n

（\u2f06）\u2f17\u2f06\u6761\u539f\u5219（\u6838\u2f3c\u8003\u70b9） <\/span><\/p>\n

1. <\/span>\u4f18\u5148\u901a\u8fc7\u6301\u7eed\u4ea4\u4ed8\u6709\u4ef7\u503c\u8f6f\u4ef6\u4fdd\u969c\u5ba2\u2f3e\u6ee1\u610f，\u5feb\u901f\u54cd\u5e94\u9700\u6c42\u53d8\u5316 <\/span><\/p>\n

2. <\/span>\u62e5\u62b1\u53d8\u5316，\u5373\u4f7f\u5f00\u53d1\u540e\u671f\u4e5f\u63a5\u53d7\u9700\u6c42\u53d8\u66f4\u5e76\u521b\u9020\u7ade\u4e89\u4f18\u52bf <\/span><\/p>\n

3. <\/span>\u9891\u7e41\u4ea4\u4ed8\u2f2f\u4f5c\u8f6f\u4ef6（\u5468\u671f\u2f0f\u5468\u5230\u2f0f\u4e2a\u2f49，\u8d8a\u77ed\u8d8a\u597d） <\/span><\/p>\n

4. <\/span>\u5f00\u53d1\u2f08\u5458\u4e0e\u4e1a\u52a1\u2f08\u5458\u6bcf\u2f47\u534f\u4f5c <\/span><\/p>\n

5. <\/span>\u5efa\u2f74\u6709\u52a8\u2f12\u7684\u56e2\u961f，\u63d0\u4f9b\u5fc5\u8981\u2f40\u6301\u5e76\u4fe1\u4efb\u5176\u5b8c\u6210\u4efb\u52a1 <\/span><\/p>\n

6. <\/span>\u2faf\u5bf9\u2faf\u6c9f\u901a\u662f\u6700\u6709\u6548\u7684\u4fe1\u606f\u4f20\u9012\u2f45\u5f0f <\/span><\/p>\n

7. <\/span>\u2f2f\u4f5c\u7684\u8f6f\u4ef6\u662f\u8fdb\u5ea6\u8861\u91cf\u7684\u4e3b\u8981\u6807\u51c6 <\/span><\/p>\n

8. <\/span>\u4fdd\u6301\u53ef\u6301\u7eed\u5f00\u53d1\u8282\u594f，\u2ed3\u671f\u7a33\u5b9a\u63a8\u8fdb <\/span><\/p>\n

9. <\/span>\u6280\u672f\u5353\u8d8a\u4e0e\u826f\u597d\u8bbe\u8ba1\u63d0\u5347\u654f\u6377\u6027\u548c\u6548\u7387 <\/span><\/p>\n

10. <\/span>\u7b80\u6d01（\u51cf\u5c11\u2f46\u2f64\u2f2f\u4f5c）\u662f\u5173\u952e <\/span><\/p>\n

11. <\/span>\u2f83\u7ec4\u7ec7\u56e2\u961f\u4ea7\u51fa\u6700\u4f18\u67b6\u6784\u3001\u8bbe\u8ba1\u548c\u9700\u6c42 <\/span><\/p>\n

12. <\/span>\u5b9a\u671f\u53cd\u601d\u56e2\u961f\u6548\u7387\u5e76\u8c03\u6574\u2f8f\u4e3a <\/span><\/p>\n

\u4e09\u3001\u654f\u6377\u5f00\u53d1\u7684\u5173\u952e\u8981\u7d20 <\/span><\/p>\n

（\u2f00）\u8fed\u4ee3\u4e0e\u589e\u91cf\u5f00\u53d1<\/span>1. <\/span>\u8fed\u4ee3：\u6bcf\u6b21\u5f00\u53d1\u5468\u671f（2-4\u5468），\u7ed3\u675f\u65f6\u4ea4\u4ed8\u53ef\u2f2f\u4f5c\u8f6f\u4ef6\u7248\u672c <\/span><\/p>\n

2. <\/span>\u589e\u91cf：\u6bcf\u4e2a\u8fed\u4ee3\u4ea4\u4ed8\u4ea7\u54c1\u7684\u90e8\u5206\u529f\u80fd，\u7d2f\u52a0\u6784\u5efa\u5b8c\u6574\u8f6f\u4ef6 <\/span><\/p>\n

（\u2f06）\u2f64\u2f3e\u6545\u4e8b（User Story） <\/span><\/p>\n

1. <\/span>\u5b9a\u4e49：\u63cf\u8ff0\u529f\u80fd\u9700\u6c42\u7684\u7b80\u6d01\u2f45\u5f0f，\u2fae\u6280\u672f\u8bed\u2f94\u8868\u8fbe <\/span><\/p>\n

2. <\/span>\u6807\u51c6\u683c\u5f0f：\u4f5c\u4e3a\u67d0\u7c7b\u2f64\u2f3e，\u6211\u5e0c\u671b\u505a\u5230\u67d0\u4e2a\u529f\u80fd，\u4ee5\u4fbf\u5b9e\u73b0\u67d0\u4e2a\u2f6c\u7684 <\/span><\/p>\n

（\u4e09）\u2f83\u7ec4\u7ec7\u56e2\u961f <\/span><\/p>\n

1. <\/span>\u6838\u2f3c\u7279\u5f81：\u6210\u5458\u2f83\u4e3b\u51b3\u5b9a\u2f2f\u4f5c\u2f45\u5f0f\u548c\u95ee\u9898\u89e3\u51b3\u2f45\u6848 <\/span><\/p>\n

2. <\/span>\u4f18\u52bf：\u4e3b\u52a8\u6027\u5f3a\u3001\u521b\u65b0\u6027\u2fbc，\u5feb\u901f\u54cd\u5e94\u53d8\u5316 <\/span><\/p>\n

（\u56db）\u6301\u7eed\u96c6\u6210\u4e0e\u6301\u7eed\u4ea4\u4ed8（CI\/CD） <\/span><\/p>\n

1. <\/span>\u6301\u7eed\u96c6\u6210：\u56e2\u961f\u9891\u7e41\u5c06\u4ee3\u7801\u96c6\u6210\u5230\u4e3b\u5206\u2f40，\u786e\u4fdd\u529f\u80fd\u53ef\u6d4b\u8bd5\u3001\u53ef\u4ea4\u4ed8 <\/span><\/p>\n

2. <\/span>\u6301\u7eed\u4ea4\u4ed8：\u901a\u8fc7\u2f83\u52a8\u5316\u2f2f\u5177，\u5c06\u6d4b\u8bd5\u901a\u8fc7\u7684\u529f\u80fd\u968f\u65f6\u90e8\u7f72\u5230\u2f63\u4ea7\u73af\u5883 <\/span><\/p>\n

（\u4e94）\u8fed\u4ee3\u56de\u987e <\/span><\/p>\n

1. <\/span>\u5b9a\u4e49：\u6bcf\u6b21\u8fed\u4ee3\u7ed3\u675f\u540e\u7684\u56de\u987e\u4f1a\u8bae（Retrospective） <\/span><\/p>\n

2. <\/span>\u2f6c\u7684：\u53cd\u601d\u2f2f\u4f5c\u4e2d\u7684\u95ee\u9898，\u8bc6\u522b\u6539\u8fdb\u70b9，\u63d0\u5347\u4e0b\u2f00\u8f6e\u8fed\u4ee3\u6548\u7387 <\/span><\/p>\n

\u56db\u3001\u654f\u6377\u5f00\u53d1\u7684\u4e3b\u8981\u6846\u67b6（\u91cd\u70b9\u638c\u63e1） <\/span><\/p>\n

（\u2f00）Scrum（\u5e94\u2f64\u6700\u2f34\u6cdb） <\/span><\/p>\n

1. <\/span>\u5b9a\u4e49：\u2f64\u4e8e\u590d\u6742\u4ea7\u54c1\u5f00\u53d1\u3001\u4ea4\u4ed8\u4e0e\u7ef4\u62a4\u7684\u654f\u6377\u6846\u67b6，\u9002\u2f64\u4e8e\u591a\u9886\u57df <\/span><\/p>\n

2. <\/span>\u6838\u2f3c\u2ec6\u2f8a： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u4ea7\u54c1\u8d1f\u8d23\u2f08（Product Owner）：\u8d1f\u8d23\u9700\u6c42\u4e0e\u4f18\u5148\u7ea7\u8bbe\u5b9a <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Scrum Master：\u4fdd\u969cScrum\u6d41\u7a0b\u6267\u2f8f，\u534f\u52a9\u56e2\u961f\u514b\u670d\u969c\u788d <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5f00\u53d1\u56e2\u961f（Developers）：\u5b9e\u73b0\u4ea7\u54c1\u529f\u80fd <\/span><\/p>\n

3. <\/span>\u6838\u2f3c\u4e8b\u4ef6： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Sprint（\u51b2\u523a）：2-4\u5468\u7684\u8fed\u4ee3\u5468\u671f，\u805a\u7126\u5355\u2f00\u2f6c\u6807 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Sprint Planning（\u51b2\u523a\u89c4\u5212\u4f1a） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Daily Standup（\u6bcf\u2f47\u7ad9\u4f1a）：\u68c0\u89c6\u8fdb\u5ea6\u3001\u8c03\u6574\u8ba1\u5212 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Sprint Review（\u51b2\u523a\u8bc4\u5ba1\u4f1a）：\u4e0e\u5229\u76ca\u76f8\u5173\u2f08\u68c0\u89c6\u6210\u679c <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Sprint Retrospective（\u51b2\u523a\u56de\u987e\u4f1a）：\u6301\u7eed\u6539\u8fdb <\/span><\/p>\n

（\u2f06）\u770b\u677f（Kanban）<\/span>1. <\/span>\u8d77\u6e90：1940\u5e74\u4ee3\u4e30\u2f65\u6c7d\u2ecb\u53d1\u660e\u7684\u7cbe\u76ca\u5236\u9020\u2f2f\u827a <\/span><\/p>\n

2. <\/span>\u6838\u2f3c\u5b9a\u4f4d：\u53ef\u89c6\u5316\u2f2f\u4f5c\u6d41\u3001\u9650\u5236\u5728\u5236\u54c1，\u63d0\u5347\u6548\u7387 <\/span><\/p>\n

3. <\/span>\u6838\u2f3c\u539f\u5219： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u53ef\u89c6\u5316\u2f2f\u4f5c（\u770b\u677f\u2faf\u677f+\u72b6\u6001\u5361\u2f5a） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u9650\u5236\u5728\u5236\u54c1（WIP）：\u907f\u514d\u4efb\u52a1\u5806\u79ef <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u7ba1\u7406\u2f2f\u4f5c\u6d41\u7a0b（\u660e\u786e\u5f85\u5904\u7406\u3001\u8fdb\u2f8f\u4e2d\u3001\u5b8c\u6210\u7b49\u9636\u6bb5） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u4e13\u6ce8\u4e8e\u5b8c\u6210：\u5148\u6536\u5c3e\u5f53\u524d\u4efb\u52a1\u518d\u542f\u52a8\u65b0\u4efb\u52a1 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u53cd\u9988\u4e0e\u6539\u8fdb：\u5b9a\u671f\u56de\u987e\u4f18\u5316 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u57fa\u4e8e\u62c9\u52a8\u7684\u7cfb\u7edf：\u6709\u80fd\u2f12\u65f6\u624d\u63a5\u6536\u65b0\u4efb\u52a1 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u900f\u660e\u5316：\u9879\u2f6c\u8fdb\u5c55\u5bf9\u6240\u6709\u76f8\u5173\u2f45\u53ef\u2ec5 <\/span><\/p>\n

（\u4e09）\u6781\u9650\u7f16\u7a0b（XP – Extreme Programming） <\/span><\/p>\n

1. <\/span>\u6838\u2f3c\u2f6c\u6807：\u63d0\u5347\u8f6f\u4ef6\u8d28\u91cf\u548c\u54cd\u5e94\u53d8\u5316\u7684\u80fd\u2f12 <\/span><\/p>\n

2. <\/span>\u5173\u952e\u7279\u5f81： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5ba2\u2f3e\u5168\u7a0b\u53c2\u4e0e：\u63d0\u4f9b\u5b9e\u65f6\u53cd\u9988\u548c\u4f18\u5148\u7ea7\u8bbe\u7f6e <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u77ed\u8fed\u4ee3\u5468\u671f（1-3\u5468）：\u4ea4\u4ed8\u53ef\u2f64\u8f6f\u4ef6\u589e\u91cf <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6301\u7eed\u53cd\u9988：\u9891\u7e41\u53d1\u5e03+\u5feb\u901f\u8c03\u6574 <\/span><\/p>\n

3. <\/span>\u4e3b\u8981\u5b9e\u8df5： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u7ed3\u5bf9\u7f16\u7a0b：\u4e24\u540d\u5f00\u53d1\u8005\u534f\u4f5c\u7f16\u5199\u4ee3\u7801 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6d4b\u8bd5\u9a71\u52a8\u5f00\u53d1（TDD）：\u5148\u5199\u6d4b\u8bd5\u2f64\u4f8b\u518d\u7f16\u7801 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u9891\u7e41\u96c6\u6210：\u6bcf\u2f47\u591a\u6b21\u5c06\u4ee3\u7801\u96c6\u6210\u5230\u4e3b\u2f32 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u7b80\u5355\u8bbe\u8ba1：\u907f\u514d\u8fc7\u5ea6\u8bbe\u8ba1 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u91cd\u6784：\u4f18\u5316\u4ee3\u7801\u7ed3\u6784（\u4e0d\u6539\u53d8\u5916\u90e8\u2f8f\u4e3a） <\/span><\/p>\n

\u4e94\u3001\u654f\u6377\u5f00\u53d1\u7684\u4f18\u7f3a\u70b9\u5206\u6790（\u6848\u4f8b\u5206\u6790\u9898\u2fbc\u9891\u8003\u70b9） <\/span><\/p>\n

（\u2f00）\u4f18\u70b9 <\/span><\/p>\n

1. <\/span>\u5feb\u901f\u54cd\u5e94\u9700\u6c42\u53d8\u5316，\u964d\u4f4e\u53d8\u66f4\u2edb\u9669 <\/span><\/p>\n

2. <\/span>\u6301\u7eed\u4ea4\u4ed8\u65e9\u671f\u4ef7\u503c，\u5ba2\u2f3e\u63d0\u524d\u4f7f\u2f64\u529f\u80fd\u5e76\u53cd\u9988 <\/span><\/p>\n

3. <\/span>\u5ba2\u2f3e\u6ee1\u610f\u5ea6\u2fbc（\u6301\u7eed\u53c2\u4e0e+\u5f71\u54cd\u4ea7\u54c1\u5f62\u6001） <\/span><\/p>\n

4. <\/span>\u56e2\u961f\u2f20\u2f53\u63d0\u5347（\u5feb\u901f\u770b\u5230\u2f2f\u4f5c\u6210\u679c） <\/span><\/p>\n

5. <\/span>\u65e9\u671f\u53d1\u73b0\u95ee\u9898，\u964d\u4f4e\u6700\u7ec8\u4ea4\u4ed8\u2edb\u9669<\/span>（\u2f06）\u7f3a\u70b9 <\/span><\/p>\n

1. <\/span>\u9700\u6c42\u4e0d\u786e\u5b9a\u6027：\u9891\u7e41\u53d8\u66f4\u53ef\u80fd\u5bfc\u81f4\u9879\u2f6c\u2f6c\u6807\u6a21\u7cca <\/span><\/p>\n

2. <\/span>\u89c4\u5212\u4e0e\u63a7\u5236\u96be\u5ea6\u2f24：\u5468\u671f\u548c\u4ea4\u4ed8\u65f6\u95f4\u96be\u9884\u6d4b，\u5f71\u54cd\u9884\u7b97 <\/span><\/p>\n

3. <\/span>\u5bf9\u56e2\u961f\u8981\u6c42\u2fbc：\u4f9d\u8d56\u5f3a\u534f\u4f5c\u3001\u2fbc\u2f83\u9a71\u2f12\u548c\u6c9f\u901a\u80fd\u2f12 <\/span><\/p>\n

4. <\/span>\u9002\u2f64\u8303\u56f4\u6709\u9650：\u4e0d\u9002\u5408\u9700\u6c42\u7a33\u5b9a\u3001\u89c4\u5212\u5b8c\u5907\u7684\u2f24\u578b\/\u6d41\u7a0b\u56fa\u5b9a\u9879\u2f6c <\/span><\/p>\n

\u516d\u3001\u5e38\u2ec5\u8003\u70b9\u4e0e\u590d\u4e60\u63d0\u2f70 <\/span><\/p>\n

（\u2f00）\u540d\u8bcd\u89e3\u91ca\u2fbc\u9891\u8003\u70b9 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u654f\u6377\u5f00\u53d1\u3001\u8fed\u4ee3\u5f00\u53d1\u3001\u589e\u91cf\u5f00\u53d1\u3001\u2f64\u2f3e\u6545\u4e8b\u3001Sprint\u3001CI\/CD\u3001\u770b\u677f\u3001\u7ed3\u5bf9\u7f16\u7a0b\u3001TDD <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u7b54\u9898\u8981\u70b9：\u5b9a\u4e49+\u6838\u2f3c\u7279\u5f81\/\u4f5c\u2f64 <\/span><\/p>\n

（\u2f06）\u7b80\u7b54\u9898\u2fbc\u9891\u8003\u70b9 <\/span><\/p>\n

1. <\/span>\u5bf9\u2f50\u654f\u6377\u5f00\u53d1\u4e0e\u7011\u5e03\u5f0f\u5f00\u53d1\u7684\u6838\u2f3c\u5dee\u5f02（\u4ece\u6d41\u7a0b\u3001\u7075\u6d3b\u6027\u3001\u53cd\u9988\u673a\u5236\u3001\u2f42\u6863\u8981\u6c42\u7b49\u2ec6\u5ea6） <\/span><\/p>\n

2. <\/span>\u7b80\u8ff0\u654f\u6377\u5f00\u53d1\u7684\u56db\u2f24\u4ef7\u503c\u89c2\u548c\u6838\u2f3c\u539f\u5219 <\/span><\/p>\n

3. <\/span>\u8bf4\u660eScrum\u6846\u67b6\u7684\u6838\u2f3c\u2ec6\u2f8a\u4e0e\u5173\u952e\u4e8b\u4ef6 <\/span><\/p>\n

4. <\/span>\u770b\u677f\u7684\u6838\u2f3c\u539f\u5219\u4e0e\u5b9e\u8df5\u662f\u4ec0\u4e48？ <\/span><\/p>\n

5. <\/span>\u654f\u6377\u5f00\u53d1\u4e2d"\u6301\u7eed\u96c6\u6210"\u4e0e"\u6301\u7eed\u4ea4\u4ed8"\u7684\u533a\u522b\u4e0e\u8054\u7cfb <\/span><\/p>\n

（\u4e09）\u6848\u4f8b\u5206\u6790\u9898\u7b54\u9898\u601d\u8def <\/span><\/p>\n

1. <\/span>\u573a\u666f\u5224\u65ad：\u7ed9\u5b9a\u9879\u2f6c\u80cc\u666f（\u5982\u521b\u4e1a\u516c\u53f8\u521b\u65b0\u4ea7\u54c1\u3001\u2f24\u578b\u4f01\u4e1a\u56fa\u5b9a\u6d41\u7a0b\u9879\u2f6c），\u5224\u65ad\u9002\u5408\u7684\u5f00\u53d1\u6a21\u5f0f <\/span><\/p>\n

\u5e76\u8bf4\u660e\u7406\u7531 <\/span><\/p>\n

2. <\/span>\u95ee\u9898\u5206\u6790：\u9488\u5bf9\u654f\u6377\u5b9e\u65bd\u4e2d\u7684\u95ee\u9898（\u5982\u9700\u6c42\u9891\u7e41\u53d8\u66f4\u5bfc\u81f4\u8fdb\u5ea6\u5ef6\u8bef\u3001\u56e2\u961f\u534f\u4f5c\u4e0d\u7545），\u7ed3\u5408\u654f\u6377\u539f <\/span><\/p>\n

\u5219\u63d0\u51fa\u89e3\u51b3\u2f45\u6848 <\/span><\/p>\n

3. <\/span>\u6846\u67b6\u9009\u62e9：\u6839\u636e\u9879\u2f6c\u7279\u70b9（\u5982\u9700\u6c42\u53d8\u5316\u9891\u7387\u3001\u56e2\u961f\u89c4\u6a21\u3001\u4ea4\u4ed8\u5468\u671f\u8981\u6c42），\u9009\u62e9\u5408\u9002\u7684\u654f\u6377\u6846\u67b6\u5e76 <\/span><\/p>\n

\u8bbe\u8ba1\u6838\u2f3c\u6d41\u7a0b <\/span><\/p>\n

（\u56db）\u590d\u4e60\u5efa\u8bae <\/span><\/p>\n

1. <\/span>\u91cd\u70b9\u8bb0\u5fc6\u56db\u2f24\u4ef7\u503c\u89c2\u3001\u2f17\u2f06\u6761\u539f\u5219\u3001\u4e09\u2f24\u6846\u67b6\u7684\u6838\u2f3c\u8981\u7d20（\u2ec6\u2f8a\u3001\u4e8b\u4ef6\u3001\u5b9e\u8df5） <\/span><\/p>\n

2. <\/span>\u7406\u89e3"\u8fed\u4ee3""\u589e\u91cf""\u2f83\u7ec4\u7ec7""\u62c9\u52a8\u5f0f"\u7b49\u6838\u2f3c\u6982\u5ff5\u7684\u672c\u8d28 <\/span><\/p>\n

3. <\/span>\u7ed3\u5408\u5b9e\u9645\u9879\u2f6c\u573a\u666f，\u7ec3\u4e60\u654f\u6377\u4e0e\u4f20\u7edf\u5f00\u53d1\u6a21\u5f0f\u7684\u9009\u62e9\u4e0e\u5e94\u2f64\u5206\u6790 <\/span><\/p>\n

4. <\/span>\u5173\u6ce8\u5404\u6846\u67b6\u7684\u9002\u2f64\u573a\u666f\u5dee\u5f02（\u5982Scrum\u9002\u2f64\u4e8e\u590d\u6742\u4ea7\u54c1\u3001\u770b\u677f\u9002\u2f64\u4e8e\u6d41\u7a0b\u4f18\u5316\u3001XP\u9002\u2f64\u4e8e\u5feb\u901f\u53d8\u5316 <\/span><\/p>\n

\u7684\u2f29\u578b\u56e2\u961f）<\/span>Ex \u5b9e\u9a8c <\/span><\/p>\n

\u2f00\u3001\u5b9e\u9a8c\u6838\u2f3c\u4efb\u52a1\u4e0e\u529f\u80fd\u8981\u6c42（\u5fc5\u8003\u91cd\u70b9） <\/span><\/p>\n

1. \u6838\u2f3c\u4efb\u52a1 <\/span><\/p>\n

\u8bbe\u8ba1\u5e76\u5b9e\u73b0\u5728\u7ebf\u8d2d\u7269\u2f79\u7ad9，\u5b8c\u6210\u6307\u5b9a\u57fa\u672c\u529f\u80fd\u3001\u6570\u636e\u5e93\u8bbe\u8ba1（\u63a8\u8350MySQL）\u3001\u4e0a\u7ebf\u90e8\u7f72，\u662f\u671f\u672b\u8003\u8bd5 <\/span><\/p>\n

\u6838\u2f3c\u8003\u6838\u8f7d\u4f53（\u5360\u5b9e\u9a8c\u6210\u7ee930%）\u3002 <\/span><\/p>\n

2. \u4e24\u2f24\u6838\u2f3c\u529f\u80fd\u6a21\u5757 <\/span><\/p>\n

（1）\u987e\u5ba2\u7aef\u529f\u80fd（\u57fa\u7840\u5fc5\u5b9e\u73b0） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f9d\u4efd\u7ba1\u7406：\u6ce8\u518c\u3001\u767b\u5f55\u3001\u6ce8\u9500（\u9700\u5b9e\u73b0\u4f1a\u8bdd\u4fdd\u6301\u3001\u6743\u9650\u9a8c\u8bc1） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4ea7\u54c1\u4ea4\u4e92：\u4ea7\u54c1\u5217\u8868\u5c55\u2f70\u3001\u4ea7\u54c1\u67e5\u8be2（\u2f40\u6301\u5173\u952e\u8bcd\/\u5206\u7c7b\u7b5b\u9009） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8d2d\u4e70\u6d41\u7a0b（\u5b8c\u6574\u4e1a\u52a1\u94fe）：\u6d4f\u89c8\/\u67e5\u8be2 \u2192 \u6dfb\u52a0\u2f84\u8d2d\u7269\u2ecb \u2192 \u4ed8\u6b3e（\u6a21\u62df\u6216\u5bf9\u63a5\u2f40\u4ed8\u903b\u8f91） \u2192 \u7535\u2f26\u90ae <\/span><\/p>\n

\u4ef6\u53d1\u8d27\u786e\u8ba4 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8ba2\u5355\u7ba1\u7406：\u67e5\u770b\u8ba2\u5355\u72b6\u6001（\u5f85\u4ed8\u6b3e\/\u5df2\u4ed8\u6b3e\/\u5df2\u53d1\u8d27\u7b49）\u3001\u8ba2\u5355\u5386\u53f2\u8bb0\u5f55 <\/span><\/p>\n

（2）\u9500\u552e\u7ba1\u7406\u7aef\u529f\u80fd（\u7ba1\u7406\u7c7b\u6838\u2f3c） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5546\u54c1\u2f6c\u5f55\u7ba1\u7406：\u5546\u54c1\u7684\u6dfb\u52a0\u3001\u5220\u9664\u3001\u4fee\u6539\u3001\u67e5\u8be2（CRUD\u5b8c\u6574\u5b9e\u73b0） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8ba2\u5355\u7ba1\u7406：\u8ba2\u5355\u72b6\u6001\u66f4\u65b0\u3001\u8ba2\u5355\u4fe1\u606f\u67e5\u8be2 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u9500\u552e\u7edf\u8ba1：\u2f63\u6210\u9500\u552e\u7edf\u8ba1\u62a5\u8868（\u9700\u7ed3\u5408\u6570\u636e\u5e93\u805a\u5408\u67e5\u8be2） <\/span><\/p>\n

\u2f06\u3001\u6280\u672f\u9009\u578b\u4e0e\u6838\u2f3c\u6280\u672f\u8003\u70b9 <\/span><\/p>\n

1. \u6570\u636e\u5e93\u8bbe\u8ba1（MySQL\u4e3a\u4e3b） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u6570\u636e\u8868\u8bbe\u8ba1（\u5fc5\u8003）： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u2f64\u2f3e\u8868（\u5b58\u50a8\u987e\u5ba2\/\u7ba1\u7406\u5458\u4fe1\u606f：\u8d26\u53f7\u3001\u5bc6\u7801\u3001\u90ae\u7bb1\u3001\u6743\u9650\u2ec6\u2f8a\u7b49） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u4ea7\u54c1\u8868（\u5546\u54c1\u4fe1\u606f：ID\u3001\u540d\u79f0\u3001\u4ef7\u683c\u3001\u5e93\u5b58\u3001\u5206\u7c7b\u3001\u63cf\u8ff0\u7b49） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u8d2d\u7269\u2ecb\u8868（\u5173\u8054\u2f64\u2f3eID\u3001\u4ea7\u54c1ID\u3001\u6570\u91cf\u3001\u9009\u4e2d\u72b6\u6001\u7b49） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u8ba2\u5355\u8868（\u5173\u8054\u2f64\u2f3eID\u3001\u8ba2\u5355\u53f7\u3001\u4e0b\u5355\u65f6\u95f4\u3001\u603b\u2fa6\u989d\u3001\u8ba2\u5355\u72b6\u6001\u7b49） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u8ba2\u5355\u660e\u7ec6\u8868（\u5173\u8054\u8ba2\u5355ID\u3001\u4ea7\u54c1ID\u3001\u8d2d\u4e70\u6570\u91cf\u3001\u5355\u4ef7\u7b49） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6570\u636e\u5173\u7cfb：\u2f00\u5bf9\u2f00（\u2f64\u2f3e-\u8ba2\u5355\u57fa\u7840\u4fe1\u606f）\u3001\u2f00\u5bf9\u591a（\u2f64\u2f3e-\u591a\u4e2a\u8ba2\u5355\u3001\u8ba2\u5355-\u591a\u4e2a\u660e\u7ec6）\u3001\u591a\u5bf9\u591a <\/span><\/p>\n

（\u2f64\u2f3e-\u4ea7\u54c1\u901a\u8fc7\u8d2d\u7269\u2ecb\u5173\u8054） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5173\u952e\u64cd\u4f5c：\u67e5\u8be2（\u4ea7\u54c1\u7b5b\u9009\u3001\u8ba2\u5355\u7edf\u8ba1）\u3001\u66f4\u65b0（\u5e93\u5b58\u6263\u51cf\u3001\u8ba2\u5355\u72b6\u6001\u53d8\u66f4）\u3001\u4e8b\u52a1\u5904\u7406（\u4ed8\u6b3e\u6d41 <\/span><\/p>\n

\u7a0b\u4e2d\u5e93\u5b58\u4e0e\u8ba2\u5355\u7684\u539f\u2f26\u64cd\u4f5c）<\/span>2. \u524d\u540e\u7aef\u4ea4\u4e92\u4e0e\u4e1a\u52a1\u903b\u8f91 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u524d\u7aef：\u4ea7\u54c1\u5217\u8868\u6e32\u67d3\u3001\u8d2d\u7269\u2ecb\u4ea4\u4e92\u3001\u8ba2\u5355\u63d0\u4ea4\u8868\u5355\u3001\u767b\u5f55\u6ce8\u518c\u754c\u2faf（\u9700\u4fdd\u8bc1\u754c\u2faf\u53ef\u2f64\u6027） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u540e\u7aef：\u63a5\u2f1d\u8bbe\u8ba1（\u2f64\u2f3e\u64cd\u4f5c\u63a5\u2f1d\u3001\u5546\u54c1\u7ba1\u7406\u63a5\u2f1d\u3001\u8ba2\u5355\u5904\u7406\u63a5\u2f1d）\u3001\u4f1a\u8bdd\u7ba1\u7406（\u767b\u5f55\u72b6\u6001\u4fdd\u6301，\u907f <\/span><\/p>\n

\u514d\u672a\u767b\u5f55\u8bbf\u95ee\u53d7\u9650\u529f\u80fd） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5173\u952e\u6280\u672f\u70b9： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u8d2d\u7269\u2ecb\u6570\u636e\u5b58\u50a8（\u4f1a\u8bdd\u5b58\u50a8\/\u6570\u636e\u5e93\u5b58\u50a8，\u9700\u8003\u8651\u767b\u5f55\u72b6\u6001\u540c\u6b65） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u90ae\u4ef6\u53d1\u9001\u529f\u80fd（SMTP\u534f\u8bae\u5e94\u2f64，\u5b9e\u73b0\u53d1\u8d27\u786e\u8ba4\u901a\u77e5） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6743\u9650\u63a7\u5236（\u533a\u5206\u987e\u5ba2\u4e0e\u7ba1\u7406\u5458\u2ec6\u2f8a，\u9650\u5236\u7ba1\u7406\u7aef\u529f\u80fd\u8bbf\u95ee） <\/span><\/p>\n

\u4e09\u3001\u4ee3\u7801\u63d0\u4ea4\u89c4\u8303（\u5360\u5b9e\u9a8c\u6210\u7ee930%） <\/span><\/p>\n

1. \u63d0\u4ea4\u5e73\u53f0（\u2f06\u9009\u2f00） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Github：<\/span>https:\/\/github.com\/ <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u7801\u4e91：<\/span>https:\/\/gitee.com\/ <\/span><\/p>\n

2. \u63d0\u4ea4\u8981\u6c42（\u8003\u8bd5\u9700\u9a8c\u8bc1\u5408\u89c4\u6027） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9e\u9a8c\u62a5\u544a\u4e2d\u5fc5\u987b\u6ce8\u660e\u4ee3\u7801\u4ed3\u5e93\u5730\u5740（\u5730\u5740\u2f46\u6548\u89c6\u4e3a\u672a\u5b8c\u6210） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4ed3\u5e93\u9700\u5305\u542b <\/span>readme.md <\/span>\u2f42\u4ef6： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5fc5\u586b\u5185\u5bb9：\u5b66\u53f7\u3001\u59d3\u540d <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6838\u2f3c\u5185\u5bb9：\u6e90\u4ee3\u7801\u2f42\u4ef6\u8bf4\u660e（\u2f6c\u5f55\u7ed3\u6784\u3001\u6838\u2f3c\u6a21\u5757\u4f5c\u2f64）\u3001\u8fd0\u2f8f\u73af\u5883\u8981\u6c42\u3001\u542f\u52a8\u2f45\u5f0f <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4ee3\u7801\u89c4\u8303：\u7ed3\u6784\u6e05\u6670\u3001\u6a21\u5757\u5316\u8bbe\u8ba1\u3001\u5173\u952e\u4ee3\u7801\u6dfb\u52a0\u6ce8\u91ca <\/span><\/p>\n

\u56db\u3001\u5728\u7ebf\u90e8\u7f72\u8981\u70b9（\u5fc5\u8003） <\/span><\/p>\n

1. \u90e8\u7f72\u5e73\u53f0 <\/span><\/p>\n

\u963f\u2fa5\u4e91\u3001AWS\u6216\u5176\u4ed6\u6b63\u89c4\u4e91\u670d\u52a1\u5546 <\/span><\/p>\n

2. \u90e8\u7f72\u8981\u6c42（\u76f4\u63a5\u5f71\u54cd\u5b9e\u9a8c\u5b8c\u6210\u5ea6\u5224\u5b9a） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9e\u9a8c\u62a5\u544a\u4e2d\u6ce8\u660e\u2f79\u7ad9\u8bbf\u95ee\u5730\u5740\u3001\u6d4b\u8bd5\u8d26\u2f3e（\u542b\u987e\u5ba2\/\u7ba1\u7406\u5458\u2ec6\u2f8a）\u53ca\u2f1d\u4ee4 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8bbf\u95ee\u6709\u6548\u6027：\u63d0\u4ea4\u62a5\u544a\u540e3\u4e2a\u2f49\u5185，\u6821\u56ed\u2f79\u73af\u5883\u53ef\u6b63\u5e38\u8bbf\u95ee <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u90e8\u7f72\u5173\u952e\u6b65\u9aa4（\u9700\u5728\u62a5\u544a\u4e2d\u8be6\u7ec6\u8bb0\u5f55+\u622a\u56fe）： <\/span><\/p>\n

a. <\/span>\u4e91\u670d\u52a1\u5668\u73af\u5883\u914d\u7f6e（\u5982LAMP\/WAMP\u3001Python\u865a\u62df\u73af\u5883\u7b49） <\/span><\/p>\n

b. <\/span>MySQL\u6570\u636e\u5e93\u90e8\u7f72\u4e0e\u6570\u636e\u5bfc\u2f0a <\/span><\/p>\n

c. <\/span>\u9879\u2f6c\u2f42\u4ef6\u4e0a\u4f20（\u901a\u8fc7FTP\/\u547d\u4ee4\u2f8f\u2f2f\u5177）<\/span>d. <\/span>\u670d\u52a1\u542f\u52a8\u4e0e\u7aef\u2f1d\u914d\u7f6e（\u786e\u4fdd\u5916\u2f79\u53ef\u8bbf\u95ee） <\/span><\/p>\n

e. <\/span>\u529f\u80fd\u6d4b\u8bd5（\u9a8c\u8bc1\u6240\u6709\u6838\u2f3c\u529f\u80fd\u53ef\u6b63\u5e38\u4f7f\u2f64） <\/span><\/p>\n

\u4e94\u3001\u5b9e\u9a8c\u62a5\u544a\u89c4\u8303（\u5360\u5b9e\u9a8c\u6210\u7ee940%） <\/span><\/p>\n

1. \u683c\u5f0f\u4e0e\u547d\u540d <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u683c\u5f0f\u6a21\u677f：\u53c2\u7167\u8bfe\u7a0bQQ\u7fa4\u5171\u4eab\u2f42\u4ef6 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u2f42\u4ef6\u540d：\u5b66\u53f7_\u59d3\u540d.doc \u6216 \u5b66\u53f7_\u59d3\u540d.pdf <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u63d0\u4ea4\u622a\u2f4c\u2f47\u671f：2025\u5e7412\u2f4916\u2f47（\u903e\u671f\u6309\u672a\u63d0\u4ea4\u5904\u7406） <\/span><\/p>\n

2. \u6838\u2f3c\u5185\u5bb9（\u7f3a\u2f00\u4e0d\u53ef） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9e\u9a8c\u9898\u2f6c\u4e0e\u8981\u6c42（\u660e\u786e\u6838\u2f3c\u4efb\u52a1） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8bbe\u8ba1\u601d\u8def：\u67b6\u6784\u8bbe\u8ba1（\u524d\u540e\u7aef\u5206\u79bb\/\u5355\u4f53\u67b6\u6784）\u3001\u6280\u672f\u9009\u578b\u7406\u7531\u3001\u6570\u636e\u5e93\u8bbe\u8ba1（\u8868\u7ed3\u6784\u3001\u5173\u7cfb <\/span><\/p>\n

\u56fe）\u3001\u4e1a\u52a1\u6d41\u7a0b\u56fe（\u5982\u8d2d\u4e70\u6d41\u7a0b） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5b9e\u9a8c\u4ee3\u7801：\u6838\u2f3c\u6a21\u5757\u4ee3\u7801\u2f5a\u6bb5（\u5982\u767b\u5f55\u9a8c\u8bc1\u3001\u8d2d\u7269\u2ecb\u6dfb\u52a0\u3001\u8ba2\u5355\u2f63\u6210）+ \u4ee3\u7801\u89e3\u91ca <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u529f\u80fd\u6d4b\u8bd5：\u6d4b\u8bd5\u2f64\u4f8b（\u8986\u76d6\u6240\u6709\u6838\u2f3c\u529f\u80fd）\u3001\u6d4b\u8bd5\u7ed3\u679c\u3001\u5173\u952e\u6b65\u9aa4\u622a\u56fe <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5e94\u2f64\u90e8\u7f72：\u8be6\u7ec6\u90e8\u7f72\u6b65\u9aa4\u3001\u670d\u52a1\u5668\u914d\u7f6e\u622a\u56fe\u3001\u2f79\u7ad9\u8bbf\u95ee\u622a\u56fe <\/span><\/p>\n

3. \u7eaa\u5f8b\u8981\u6c42（\u4e25\u91cd\u5f71\u54cd\u6210\u7ee9） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u62a5\u544a\u5185\u5bb9\u96f7\u540c\u3001\u5728\u7ebf\u90e8\u7f72\u2f79\u7ad9\u96f7\u540c，\u5747\u89c6\u4e3a\u6284\u88ad，\u6309\u76f8\u5173\u89c4\u5b9a\u5904\u7406 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u672a\u6309\u65f6\u63d0\u4ea4\u3001\u4ee3\u7801\u5730\u5740\u2f46\u6548\u3001\u90e8\u7f72\u2f79\u7ad9\u2f46\u6cd5\u8bbf\u95ee，\u5747\u6309\u672a\u5b8c\u6210\u5b9e\u9a8c\u5904\u7406 <\/span><\/p>\n

\u516d\u3001\u590d\u4e60\u5efa\u8bae <\/span><\/p>\n

1. <\/span>\u529f\u80fd\u4f18\u5148：\u786e\u4fdd\u987e\u5ba2\u7aef\u6838\u2f3c\u6d41\u7a0b（\u6ce8\u518c-\u767b\u5f55-\u52a0\u8d2d-\u4e0b\u5355-\u67e5\u8ba2\u5355）\u5b8c\u6574\u5b9e\u73b0，\u518d\u8865\u5145\u7ba1\u7406\u7aef\u529f\u80fd <\/span><\/p>\n

2. <\/span>\u6570\u636e\u5e93\u5148\u2f8f：\u5148\u8bbe\u8ba1\u5408\u7406\u7684\u6570\u636e\u8868\u7ed3\u6784，\u660e\u786e\u5b57\u6bb5\u542b\u4e49\u4e0e\u5173\u8054\u5173\u7cfb，\u907f\u514d\u540e\u7eed\u4e1a\u52a1\u903b\u8f91\u8fd4\u2f2f <\/span><\/p>\n

3. <\/span>\u90e8\u7f72\u63d0\u524d\u7ec3：\u63d0\u524d\u719f\u6089\u4e91\u670d\u52a1\u5668\u914d\u7f6e\u3001\u9879\u2f6c\u90e8\u7f72\u6d41\u7a0b，\u7559\u5b58\u5173\u952e\u6b65\u9aa4\u622a\u56fe，\u786e\u4fdd\u90e8\u7f72\u540e\u53ef\u7a33\u5b9a\u8bbf\u95ee <\/span><\/p>\n

4. <\/span>\u89c4\u8303\u8bb0\u4e8e\u2f3c：\u4e25\u683c\u9075\u5b88\u4ee3\u7801\u63d0\u4ea4\u3001\u62a5\u544a\u683c\u5f0f\u8981\u6c42，\u907f\u514d\u56e0\u89c4\u8303\u95ee\u9898\u5f71\u54cd\u6210\u7ee9 <\/span><\/p>\n

5. <\/span>\u907f\u5751\u91cd\u70b9：\u62d2\u7edd\u6284\u88ad（\u4ee3\u7801\u3001\u62a5\u544a\u3001\u2f79\u7ad9\u5747\u9700\u539f\u521b），\u786e\u4fdd\u4ee3\u7801\u4ed3\u5e93\u53ef\u8bbf\u95ee\u3001\u90e8\u7f72\u2f79\u7ad9\u2ed3\u671f\u6709\u6548 <\/span><\/p>\n

\u201c\u51e1\u4e8b\u8c6b\u5219\u2f74，\u4e0d\u8c6b\u5219\u5e9f\u201d，\u7ed3\u5408\u5b9e\u9a8c\u5b89\u6392（B3-138\u5b9e\u9a8c\u5ba4，14:00-17:00\u7b2c5-8\u8282），\u5408\u7406\u89c4\u5212\u65f6 <\/span><\/p>\n

\u95f4，\u9010\u2f00\u653b\u514b\u529f\u80fd\u6a21\u5757\u4e0e\u6280\u672f\u96be\u70b9，\u786e\u4fdd\u5b9e\u9a8c\u987a\u5229\u5b8c\u6210！ <\/span><\/p>\n

\u8bfe\u7a0bQQ\u7fa4：（\u53ca\u65f6\u5173\u6ce8\u7fa4\u5185\u6a21\u677f\u2f42\u4ef6\u4e0e\u901a\u77e5） <\/span><\/p>\n

Docker + Spring Boot \u7535\u5546\u7cfb\u7edf\u5f00\u53d1<\/span>\u2f00\u3001\u590d\u4e60\u603b\u7eb2 <\/span><\/p>\n

\u672c\u6b21\u8003\u8bd5\u56f4\u7ed5\u300c\u4e2d\u2f29\u578b\u7535\u5546\u7cfb\u7edf\u7684\u5bb9\u5668\u5316\u5f00\u53d1\u4e0e\u90e8\u7f72\u300d\u6838\u2f3c\u5c55\u5f00，\u91cd\u70b9\u8003\u5bdf Spring Boot \u5206\u5c42\u67b6\u6784\u8bbe <\/span><\/p>\n

\u8ba1\u3001\u6838\u2f3c\u6a21\u5757\u5b9e\u73b0\u3001Docker \u5bb9\u5668\u5316\u914d\u7f6e\u53ca\u5b8c\u6574\u4e1a\u52a1\u6d41\u7a0b（\u767b\u5f55-\u5546\u54c1-\u8d2d\u7269\u2ecb）\u3002\u8003\u8bd5\u5f62\u5f0f\u5305\u62ec\u9009\u62e9 <\/span><\/p>\n

\u9898\u3001\u7b80\u7b54\u9898\u3001\u4ee3\u7801\u586b\u7a7a\u9898\u3001\u914d\u7f6e\u9898，\u9700\u638c\u63e1\u4ece\u9879\u2f6c\u642d\u5efa\u5230\u90e8\u7f72\u6d4b\u8bd5\u7684\u5168\u6d41\u7a0b，\u91cd\u70b9\u5173\u6ce8\u6ce8\u89e3\u4f7f\u2f64\u3001\u4e1a <\/span><\/p>\n

\u52a1\u903b\u8f91\u5b9e\u73b0\u3001\u5bb9\u5668\u5316\u914d\u7f6e\u4e09\u2f24\u6838\u2f3c\u677f\u5757\u3002 <\/span><\/p>\n

\u2f06\u3001\u6838\u2f3c\u6280\u672f\u6808\u4e0e\u5fc5\u5907\u2f2f\u5177（\u5fc5\u8003\u57fa\u7840） <\/span><\/p>\n

1. \u6838\u2f3c\u6280\u672f\u6808 <\/span><\/p>\n

\u5206\u5c42 <\/span><\/p>\n

\u6280\u672f\u9009\u578b <\/span><\/p>\n

\u6838\u2f3c\u4f5c\u2f64 <\/span><\/p>\n

\u540e\u7aef\u6838\u2f3c <\/span><\/p>\n

Spring Boot 2.7.18 <\/span><\/p>\n

\u5feb\u901f\u6784\u5efa Web \u5e94\u2f64，\u2f83\u52a8\u914d <\/span><\/p>\n

\u7f6e <\/span><\/p>\n

\u8ba4\u8bc1\u6388\u6743 <\/span><\/p>\n

Spring Security <\/span><\/p>\n

\u5b9e\u73b0\u2f64\u2f3e\u767b\u5f55\u8ba4\u8bc1，\u5bc6\u7801\u52a0\u5bc6 <\/span><\/p>\n

\u6570\u636e\u5e93\u64cd\u4f5c <\/span><\/p>\n

Spring Data JPA <\/span><\/p>\n

\u7b80\u5316 CRUD，\u2f46\u9700\u2f3f\u5199 SQL <\/span><\/p>\n

\u524d\u7aef\u6a21\u677f <\/span><\/p>\n

Thymeleaf + Bootstrap 5 <\/span><\/p>\n

\u540e\u7aef\u6e32\u67d3\u2eda\u2faf，\u5feb\u901f\u5b9e\u73b0\u54cd\u5e94 <\/span><\/p>\n

\u5f0f\u6837\u5f0f <\/span><\/p>\n

\u6570\u636e\u5e93 <\/span><\/p>\n

MySQL 8.0（Docker \u5bb9\u5668 <\/span><\/p>\n

\u5316） <\/span><\/p>\n

\u5b58\u50a8\u2f64\u2f3e\u3001\u5546\u54c1\u3001\u8d2d\u7269\u2ecb\u6570\u636e <\/span><\/p>\n

\u5bb9\u5668\u5316 <\/span><\/p>\n

Docker + Docker Compose <\/span><\/p>\n

\u5e94\u2f64\u4e0e\u6570\u636e\u5e93\u5bb9\u5668\u5316，\u2f00\u952e\u542f <\/span><\/p>\n

\u52a8 <\/span><\/p>\n

\u7b80\u5316\u2f2f\u5177 <\/span><\/p>\n

Lombok（@Data \u6ce8\u89e3） <\/span><\/p>\n

\u2f83\u52a8\u2f63\u6210 getter\/setter，\u7b80\u5316 <\/span><\/p>\n

\u5b9e\u4f53\u7c7b\u4ee3\u7801 <\/span><\/p>\n

2. \u5fc5\u5907\u2f2f\u5177\u4e0e\u7248\u672c\u8981\u6c42 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

JDK 8+\/11（\u9879\u2f6c\u6307\u5b9a 1.8） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Maven（\u9879\u2f6c\u6784\u5efa\u2f2f\u5177） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Docker + Docker Compose（\u5bb9\u5668\u5316\u73af\u5883） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

IDE（IDEA\/Eclipse） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6d4f\u89c8\u5668（\u529f\u80fd\u6d4b\u8bd5） <\/span><\/p>\n

\u8003\u70b9：\u6280\u672f\u6808\u5bf9\u5e94\u4f5c\u2f64（\u5982 Spring Security \u8d1f\u8d23\u4ec0\u4e48）\u3001\u2f2f\u5177\u7248\u672c\u5339\u914d（\u5982 JDK \u7248\u672c\u4e0e Spring Boot <\/span><\/p>\n

2.7.x \u517c\u5bb9）\u3002<\/span>\u4e09\u3001\u9879\u2f6c\u5206\u5c42\u67b6\u6784（\u91cd\u4e2d\u4e4b\u91cd） <\/span><\/p>\n

1. \u5206\u5c42\u8bbe\u8ba1\u539f\u5219 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u601d\u60f3：\u89e3\u8026\u3001\u804c\u8d23\u5206\u79bb\u3001\u4fbf\u4e8e\u7ef4\u62a4\u6269\u5c55 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u67b6\u6784\u7c7b\u2f50：\u2f2f\u2f1a\u6d41\u2f54\u7ebf（\u5b9e\u4f53\u5c42=\u539f\u6750\u6599\u89c4\u683c\u2192\u4ed3\u5e93\u5c42=\u539f\u6750\u6599\u4ed3\u5e93\u2192\u670d\u52a1\u5c42=\u2f63\u4ea7\u2ecb\u95f4\u2192\u63a7\u5236\u5668\u5c42= <\/span><\/p>\n

\u524d\u53f0\u7a97\u2f1d） <\/span><\/p>\n

2. \u5404\u5c42\u6838\u2f3c\u804c\u8d23\u3001\u6ce8\u89e3\u4e0e\u4ee3\u7801\u6a21\u677f <\/span><\/p>\n

（1）\u5b9e\u4f53\u5c42（Entity） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u804c\u8d23：\u6620\u5c04\u6570\u636e\u5e93\u8868，\u5b9a\u4e49\u6570\u636e\u7ed3\u6784（\u2f46\u4e1a\u52a1\u903b\u8f91） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u6ce8\u89e3： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

@Entity <\/span>：\u6807\u8bb0\u4e3a JPA \u5b9e\u4f53（\u5bf9\u5e94\u6570\u636e\u5e93\u8868） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

@Table(name="<\/span>\u8868\u540d<\/span>") <\/span>：\u6307\u5b9a\u6570\u636e\u5e93\u8868\u540d（\u5982 <\/span>users <\/span>\u3001 <\/span>products <\/span>） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

@Id + @GeneratedValue(strategy=GenerationType.IDENTITY) <\/span>：\u4e3b\u952e + \u2f83\u589e <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

@Column <\/span>：\u5b57\u6bb5\u7ea6\u675f（ <\/span>unique=true <\/span>\u552f\u2f00\u3001 <\/span>nullable=false <\/span>\u2fae\u7a7a） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

@OneToMany\/@ManyToOne <\/span>：\u8868\u5173\u8054（\u2f64\u2f3e-\u8d2d\u7269\u2ecb\u9879：\u2f00\u5bf9\u591a；\u8d2d\u7269\u2ecb\u9879-\u5546\u54c1：\u591a\u5bf9\u2f00） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

@Data <\/span>（Lombok）：\u7b80\u5316\u4ee3\u7801 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4ee3\u7801\u6a21\u677f（User \u5b9e\u4f53\u6838\u2f3c\u2f5a\u6bb5）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

@Data <\/span><\/p>\n

@Entity <\/span><\/p>\n

@Table(name = "users") <\/span><\/p>\n

public class <\/span>User <\/span>{ <\/span><\/p>\n

@Id <\/span><\/p>\n

@GeneratedValue(strategy = GenerationType.IDENTITY) <\/span><\/p>\n

private <\/span>Long id; <\/span><\/p>\n

@Column(unique = true, nullable = false) <\/span><\/p>\n

private <\/span>String username; <\/span>\/\/ <\/span>\u2f64\u2f3e\u540d（\u552f\u2f00） <\/span><\/p>\n

@Column(nullable = false) <\/span><\/p>\n

private <\/span>String password; <\/span>\/\/ <\/span>\u52a0\u5bc6\u5b58\u50a8 <\/span><\/p>\n

\/\/ <\/span>\u5173\u8054\u8d2d\u7269\u2ecb\u9879（\u2f00\u5bf9\u591a） <\/span><\/p>\n

@OneToMany(mappedBy = "user", cascade = CascadeType.ALL) <\/span><\/p>\n

private <\/span>Set<CartItem> cartItems; <\/span><\/p>\n

} <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18<\/span>（2）\u4ed3\u5e93\u5c42（Repository） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u804c\u8d23：\u6570\u636e\u8bbf\u95ee\u63a5\u2f1d，\u5b9e\u73b0 CRUD（\u4f9d\u8d56 Spring Data JPA） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u89c4\u8303： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u7ee7\u627f <\/span>JpaRepository<<\/span>\u5b9e\u4f53\u7c7b<\/span>, <\/span>\u4e3b\u952e\u7c7b\u578b<\/span>> <\/span>（\u5185\u7f6e <\/span>findAll() <\/span>\u3001 <\/span>findById() <\/span>\u3001 <\/span><\/p>\n

save() <\/span>\u3001 <\/span>delete() <\/span>） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u2f83\u5b9a\u4e49\u67e5\u8be2\u2f45\u6cd5：\u6309\u300c\u2f45\u6cd5\u540d\u89c4\u5219\u300d\u2f83\u52a8\u2f63\u6210 SQL（\u5982 <\/span>findByUsername <\/span>\u6309\u2f64\u2f3e\u540d\u67e5\u8be2） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4ee3\u7801\u6a21\u677f（UserRepository）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

public interface <\/span>UserRepository <\/span>extends <\/span>JpaRepository<\/span><User, Long> { <\/span><\/p>\n

\/\/ <\/span>\u2f83\u5b9a\u4e49\u67e5\u8be2：\u6839\u636e\u2f64\u2f3e\u540d\u67e5\u8be2\u2f64\u2f3e（\u767b\u5f55\u8ba4\u8bc1\u2f64） <\/span><\/p>\n

Optional<User> <\/span>findByUsername<\/span>(String username); <\/span><\/p>\n

} <\/span><\/p>\n

（3）\u670d\u52a1\u5c42（Service） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u804c\u8d23：\u4e1a\u52a1\u903b\u8f91\u5904\u7406（\u5982\u52a0\u2f0a\u8d2d\u7269\u2ecb\u3001\u5bc6\u7801\u52a0\u5bc6）\u3001\u4e8b\u52a1\u7ba1\u7406 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u6ce8\u89e3： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

@Service <\/span>：\u6807\u8bb0\u4e3a\u4e1a\u52a1\u5c42\u7ec4\u4ef6（Spring \u2f83\u52a8\u7ba1\u7406\u5b9e\u4f8b） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6784\u9020\u5668\u6ce8\u2f0a：\u2f46\u9700 <\/span>@Autowired <\/span>，Spring \u2f83\u52a8\u88c5\u914d Repository \u5b9e\u4f8b <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5173\u952e\u8981\u6c42： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5b9e\u73b0 <\/span>UserDetailsService <\/span>\u63a5\u2f1d（Spring Security \u8ba4\u8bc1\u8981\u6c42），\u91cd\u5199 <\/span><\/p>\n

loadUserByUsername <\/span>\u2f45\u6cd5 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5bc6\u7801\u52a0\u5bc6：\u901a\u8fc7 <\/span>PasswordEncoder <\/span>\u52a0\u5bc6（Spring Security \u5f3a\u5236\u8981\u6c42） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4ee3\u7801\u6a21\u677f（UserService \u6838\u2f3c\u2f5a\u6bb5）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

@Service <\/span><\/p>\n

public class <\/span>UserService <\/span>implements <\/span>UserDetailsService <\/span>{ <\/span><\/p>\n

private final <\/span>UserRepository userRepository; <\/span><\/p>\n

private final <\/span>PasswordEncoder passwordEncoder; <\/span><\/p>\n

\/\/ <\/span>\u6784\u9020\u5668\u6ce8\u2f0a <\/span><\/p>\n

public <\/span>UserService<\/span>(UserRepository userRepository, PasswordEncoder <\/span><\/p>\n

passwordEncoder) { <\/span><\/p>\n

this<\/span>.userRepository = userRepository; <\/span><\/p>\n

this<\/span>.passwordEncoder = passwordEncoder; <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9<\/span>} <\/span><\/p>\n

\/\/ <\/span>\u767b\u5f55\u8ba4\u8bc1\u6838\u2f3c\u2f45\u6cd5：\u6839\u636e\u2f64\u2f3e\u540d\u67e5\u8be2\u2f64\u2f3e\u5e76\u5c01\u88c5\u4e3a <\/span>UserDetails <\/span><\/p>\n

@Override <\/span><\/p>\n

public <\/span>UserDetails <\/span>loadUserByUsername<\/span>(String username) <\/span>throws <\/span><\/p>\n

UsernameNotFoundException { <\/span><\/p>\n

User user <\/span>= userRepository.findByUsername(username) <\/span><\/p>\n

.orElseThrow(() -> <\/span>new <\/span>UsernameNotFoundException<\/span>(<\/span>"<\/span>\u2f64\u2f3e\u4e0d\u5b58\u5728<\/span>"<\/span>)); <\/span><\/p>\n

\/\/ <\/span>\u5c01\u88c5\u2f64\u2f3e\u540d\u3001\u52a0\u5bc6\u5bc6\u7801\u3001\u6743\u9650（\u65b0\u2f3f\u7b80\u5316\u4e3a\u2f46\u6743\u9650） <\/span><\/p>\n

return new <\/span>org<\/span>.springframework.security.core.userdetails.User( <\/span><\/p>\n

user.getUsername(), user.getPassword(), Collections.emptyList() <\/span><\/p>\n

); <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ <\/span>\u4fdd\u5b58\u2f64\u2f3e（\u5bc6\u7801\u52a0\u5bc6） <\/span><\/p>\n

public <\/span>User <\/span>saveUser<\/span>(User user) { <\/span><\/p>\n

user.setPassword(passwordEncoder.encode(user.getPassword())); <\/span><\/p>\n

return <\/span>userRepository.save(user); <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

（4）\u63a7\u5236\u5668\u5c42（Controller） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u804c\u8d23：\u63a5\u6536\u524d\u7aef\u8bf7\u6c42\u3001\u8c03\u2f64\u670d\u52a1\u5c42\u3001\u2eda\u2faf\u8df3\u8f6c\/\u6570\u636e\u4f20\u9012 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u6ce8\u89e3： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

@Controller <\/span>：\u6807\u8bb0\u4e3a Web \u63a7\u5236\u5668（\u5904\u7406\u2eda\u2faf\u8bf7\u6c42） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

@GetMapping("\/<\/span>\u8def\u5f84<\/span>") <\/span>：\u5904\u7406 GET \u8bf7\u6c42（\u5982\u2eda\u2faf\u8bbf\u95ee） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

@PostMapping("\/<\/span>\u8def\u5f84<\/span>") <\/span>：\u5904\u7406 POST \u8bf7\u6c42（\u5982\u8868\u5355\u63d0\u4ea4） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

@RequestMapping("\/<\/span>\u524d\u7f00<\/span>") <\/span>：\u7edf\u2f00\u63a5\u2f1d\u524d\u7f00（\u5982\u8d2d\u7269\u2ecb\u63a5\u2f1d <\/span>\/cart\/* <\/span>） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Model <\/span>：\u4f20\u9012\u6570\u636e\u5230\u524d\u7aef（ <\/span>model.addAttribute("key", <\/span>\u6570\u636e<\/span>) <\/span>） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

Authentication <\/span>：\u83b7\u53d6\u5f53\u524d\u767b\u5f55\u2f64\u2f3e\u4fe1\u606f（ <\/span>authentication.getName() <\/span>\u83b7\u2f64\u2f3e <\/span><\/p>\n

\u25e6 <\/span>\u540d<\/span>re<\/span>）<\/span>direct:\/<\/span>\u8def\u5f84 ：\u91cd\u5b9a\u5411（\u5982\u52a0\u2f0a\u8d2d\u7269\u2ecb\u540e\u8df3\u56de\u5546\u54c1\u5217\u8868） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4ee3\u7801\u6a21\u677f（CartController \u6838\u2f3c\u2f5a\u6bb5）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

@Controller <\/span><\/p>\n

@RequestMapping("\/cart") <\/span><\/p>\n

public class <\/span>CartController <\/span>{ <\/span><\/p>\n

private final <\/span>CartService cartService; <\/span><\/p>\n

public <\/span>CartController<\/span>(CartService cartService) { <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

21 <\/span><\/p>\n

22 <\/span><\/p>\n

23 <\/span><\/p>\n

24 <\/span><\/p>\n

25 <\/span><\/p>\n

26 <\/span><\/p>\n

27 <\/span><\/p>\n

28 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6<\/span>this<\/span>.cartService = cartService; <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ <\/span>\u52a0\u2f0a\u8d2d\u7269\u2ecb（<\/span>POST <\/span>\u8bf7\u6c42） <\/span><\/p>\n

@PostMapping("\/add") <\/span><\/p>\n

public <\/span>String <\/span>addToCart<\/span>(<\/span>@RequestParam <\/span>Long productId, <\/span><\/p>\n

@RequestParam(defaultValue = "1") <\/span>Integer quantity, <\/span><\/p>\n

Authentication authentication) { <\/span><\/p>\n

String username <\/span>= authentication.getName(); <\/span><\/p>\n

cartService.addToCart(username, productId, quantity); <\/span><\/p>\n

return <\/span>"redirect:\/products"<\/span>; <\/span>\/\/ <\/span>\u91cd\u5b9a\u5411\u5230\u5546\u54c1\u5217\u8868 <\/span><\/p>\n

} <\/span><\/p>\n

\/\/ <\/span>\u67e5\u770b\u8d2d\u7269\u2ecb（<\/span>GET <\/span>\u8bf7\u6c42） <\/span><\/p>\n

@GetMapping <\/span><\/p>\n

public <\/span>String <\/span>viewCart<\/span>(Model model, Authentication authentication) { <\/span><\/p>\n

String username <\/span>= authentication.getName(); <\/span><\/p>\n

model.addAttribute(<\/span>"cartItems"<\/span>, cartService.getCartItems(username)); <\/span><\/p>\n

return <\/span>"cart"<\/span>; <\/span>\/\/ <\/span>\u6e32\u67d3 <\/span>templates\/cart.html <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

（5）\u914d\u7f6e\u5c42（Config） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u804c\u8d23：\u9879\u2f6c\u914d\u7f6e（\u8ba4\u8bc1\u3001\u6570\u636e\u5e93\u3001\u524d\u7aef\u7f13\u5b58\u7b49） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u914d\u7f6e：Spring Security \u914d\u7f6e（ <\/span>SecurityConfig <\/span>） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6ce8\u89e3： <\/span>@Configuration <\/span>（\u6807\u8bb0\u914d\u7f6e\u7c7b）\u3001 <\/span>@EnableWebSecurity <\/span>（\u542f\u2f64\u5b89\u5168\u914d\u7f6e） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6838\u2f3c Bean： <\/span><\/p>\n

\u25aa <\/span><\/p>\n

PasswordEncoder <\/span>：\u8fd4\u56de <\/span>BCryptPasswordEncoder <\/span>（\u5bc6\u7801\u52a0\u5bc6\u5668） <\/span><\/p>\n

\u25aa <\/span><\/p>\n

SecurityFilterChain <\/span>：\u914d\u7f6e\u767b\u5f55\u89c4\u5219\u3001\u8bf7\u6c42\u6743\u9650\u3001\u9000\u51fa\u903b\u8f91 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4ee3\u7801\u6a21\u677f（SecurityConfig \u6838\u2f3c\u2f5a\u6bb5）： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

@Configuration <\/span><\/p>\n

@EnableWebSecurity <\/span><\/p>\n

public class <\/span>SecurityConfig <\/span>{ <\/span><\/p>\n

\/\/ <\/span>\u5bc6\u7801\u52a0\u5bc6\u5668（<\/span>Spring <\/span>\u5bb9\u5668\u7ba1\u7406） <\/span><\/p>\n

@Bean <\/span><\/p>\n

public <\/span>PasswordEncoder <\/span>passwordEncoder<\/span>() { <\/span><\/p>\n

return new <\/span>BCryptPasswordEncoder<\/span>(); <\/span><\/p>\n

} <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

21 <\/span><\/p>\n

22 <\/span><\/p>\n

23 <\/span><\/p>\n

24 <\/span><\/p>\n

25 <\/span><\/p>\n

26 <\/span><\/p>\n

27 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9<\/span>\/\/ <\/span>\u5b89\u5168\u8fc7\u6ee4\u94fe：\u914d\u7f6e\u767b\u5f55\u3001\u6743\u9650\u3001\u9000\u51fa <\/span><\/p>\n

@Bean <\/span><\/p>\n

public <\/span>SecurityFilterChain <\/span>securityFilterChain<\/span>(HttpSecurity http) <\/span>throws <\/span><\/p>\n

Exception { <\/span><\/p>\n

http <\/span><\/p>\n

.csrf().disable() <\/span>\/\/ <\/span>\u65b0\u2f3f\u7b80\u5316（\u2f63\u4ea7\u73af\u5883\u9700\u5f00\u542f） <\/span><\/p>\n

.authorizeHttpRequests(auth -> auth <\/span><\/p>\n

.antMatchers(<\/span>"\/login"<\/span>, <\/span>"\/css\/**"<\/span>, <\/span>"\/js\/**"<\/span>).permitAll() <\/span>\/\/ <\/span>\u533f\u540d <\/span><\/p>\n

\u8bbf\u95ee <\/span><\/p>\n

.anyRequest().authenticated() <\/span>\/\/ <\/span>\u5176\u4ed6\u8bf7\u6c42\u9700\u767b\u5f55 <\/span><\/p>\n

) <\/span><\/p>\n

.formLogin(form -> form <\/span><\/p>\n

.loginPage(<\/span>"\/login"<\/span>) <\/span>\/\/ <\/span>\u2f83\u5b9a\u4e49\u767b\u5f55\u2eda <\/span><\/p>\n

.defaultSuccessUrl(<\/span>"\/products"<\/span>, <\/span>true<\/span>) <\/span>\/\/ <\/span>\u767b\u5f55\u6210\u529f\u8df3\u5546\u54c1\u5217\u8868 <\/span><\/p>\n

.permitAll() <\/span><\/p>\n

) <\/span><\/p>\n

.logout(logout -> logout <\/span><\/p>\n

.logoutSuccessUrl(<\/span>"\/login?logout"<\/span>) <\/span>\/\/ <\/span>\u9000\u51fa\u8df3\u767b\u5f55\u2eda <\/span><\/p>\n

.permitAll() <\/span><\/p>\n

); <\/span><\/p>\n

return <\/span>http.build(); <\/span><\/p>\n

} <\/span><\/p>\n

} <\/span><\/p>\n

（6）\u524d\u7aef\u5c42（Templates） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u6280\u672f：Thymeleaf（\u540e\u7aef\u6a21\u677f\u5f15\u64ce）+ Bootstrap（\u6837\u5f0f） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5173\u952e\u8bed\u6cd5： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6570\u636e\u6e32\u67d3： <\/span>[[${<\/span>\u53d8\u91cf\u540d<\/span>}]] <\/span>（\u5982 <\/span>[[${username}]] <\/span>\u663e\u2f70\u767b\u5f55\u2f64\u2f3e\u540d） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u5faa\u73af\u904d\u5386： <\/span>th:each="product : ${products}" <\/span>（\u904d\u5386\u5546\u54c1\u5217\u8868） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u6761\u4ef6\u5224\u65ad： <\/span>th:if="${#lists.isEmpty(cartItems)}" <\/span>（\u8d2d\u7269\u2ecb\u4e3a\u7a7a\u5224\u65ad） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u8868\u5355\u63d0\u4ea4： <\/span>th:action="@{\/<\/span>\u63a5\u2f1d\u8def\u5f84<\/span>}" <\/span>（\u5982\u52a0\u2f0a\u8d2d\u7269\u2ecb\u63d0\u4ea4\u5230 <\/span>\/cart\/add <\/span>） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u56fe\u2f5a\/\u94fe\u63a5： <\/span>th:src="${product.imageUrl}" <\/span>\u3001 <\/span><\/p>\n

th:href="@{\/cart\/remove\/{id}(id=${item.id})}" <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u2eda\u2faf： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

login.html <\/span>：\u767b\u5f55\u2eda（\u8868\u5355\u63d0\u4ea4\u5230 <\/span>\/login <\/span>，\u2f40\u6301\u9519\u8bef\/\u9000\u51fa\u63d0\u2f70） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

products.html <\/span>：\u5546\u54c1\u5217\u8868\u2eda（\u5bfc\u822a\u680f\u3001\u5546\u54c1\u5361\u2f5a\u3001\u52a0\u2f0a\u8d2d\u7269\u2ecb\u8868\u5355） <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

cart.html <\/span>：\u8d2d\u7269\u2ecb\u2eda（\u5546\u54c1\u5217\u8868\u3001\u5220\u9664\u3001\u7ed3\u7b97\u529f\u80fd） <\/span><\/p>\n

\u8003\u70b9：\u5206\u5c42\u804c\u8d23\u3001\u6838\u2f3c\u6ce8\u89e3\u5339\u914d\u3001\u4ee3\u7801\u2f5a\u6bb5\u8865\u5168（\u5982\u5b9e\u4f53\u7c7b\u7f3a\u5c11\u7684\u6ce8\u89e3\u3001\u63a7\u5236\u5668\u7f3a\u5c11\u7684\u8bf7\u6c42\u6620\u5c04）\u3001 <\/span><\/p>\n

\u8868\u5173\u8054\u5173\u7cfb\u8bbe\u8ba1\u3002 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

21 <\/span><\/p>\n

22 <\/span><\/p>\n

23 <\/span><\/p>\n

24 <\/span><\/p>\n

25 <\/span><\/p>\n

26 <\/span><\/p>\n

27 <\/span><\/p>\n

28 <\/span><\/p>\n

29 <\/span><\/p>\n

30<\/span>\u56db\u3001\u6838\u2f3c\u4e1a\u52a1\u6d41\u7a0b\u5b9e\u73b0（\u7efc\u5408\u5e94\u2f64\u9898） <\/span><\/p>\n

1. \u767b\u5f55\u6d41\u7a0b <\/span><\/p>\n

1. <\/span>\u8bbf\u95ee <\/span>\/login <\/span>\u2192 \u63a7\u5236\u5668\u8fd4\u56de <\/span>login.html <\/span>\u2eda\u2faf <\/span><\/p>\n

2. <\/span>\u8f93\u2f0a\u2f64\u2f3e\u540d\/\u5bc6\u7801\u63d0\u4ea4\u8868\u5355 \u2192 Spring Security \u8c03\u2f64 <\/span>UserService.loadUserByUsername <\/span>\u67e5 <\/span><\/p>\n

\u8be2\u2f64\u2f3e <\/span><\/p>\n

3. <\/span>\u5bc6\u7801\u6821\u9a8c（Spring Security \u2f83\u52a8\u5bf9\u2f50\u52a0\u5bc6\u540e\u7684\u5bc6\u7801） <\/span><\/p>\n

4. <\/span>\u6821\u9a8c\u6210\u529f \u2192 \u8df3\u8f6c\u5230 <\/span>\/products <\/span>（\u5546\u54c1\u5217\u8868）；\u5931\u8d25 \u2192 \u663e\u2f70\u9519\u8bef\u63d0\u2f70 <\/span><\/p>\n

2. \u52a0\u2f0a\u8d2d\u7269\u2ecb\u6d41\u7a0b <\/span><\/p>\n

1. <\/span>\u5546\u54c1\u5217\u8868\u2eda\u9009\u62e9\u5546\u54c1，\u8f93\u2f0a\u6570\u91cf \u2192 \u63d0\u4ea4\u8868\u5355\u5230 <\/span>\/cart\/add <\/span>（POST \u8bf7\u6c42） <\/span><\/p>\n

2. <\/span>\u63a7\u5236\u5668\u63a5\u6536 <\/span>productId <\/span>\u548c <\/span>quantity <\/span>\u2192 \u8c03\u2f64 <\/span>CartService.addToCart <\/span><\/p>\n

3. <\/span>\u670d\u52a1\u5c42\u903b\u8f91： <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u67e5\u8be2\u5f53\u524d\u2f64\u2f3e\u548c\u5546\u54c1 <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u68c0\u67e5\u5546\u54c1\u662f\u5426\u5df2\u5728\u8d2d\u7269\u2ecb：\u5df2\u5b58\u5728\u5219\u66f4\u65b0\u6570\u91cf，\u4e0d\u5b58\u5728\u5219\u65b0\u589e <\/span>CartItem <\/span><\/p>\n

\u25e6 <\/span><\/p>\n

\u8c03\u2f64 <\/span>CartItemRepository.save <\/span>\u4fdd\u5b58\u6570\u636e <\/span><\/p>\n

4. <\/span>\u91cd\u5b9a\u5411\u5230 <\/span>\/products <\/span>\u2eda\u2faf <\/span><\/p>\n

3. \u8d2d\u7269\u2ecb\u7ed3\u7b97\u6d41\u7a0b <\/span><\/p>\n

1. <\/span>\u8d2d\u7269\u2ecb\u2eda\u70b9\u51fb\u300c\u7ed3\u7b97\u8d2d\u7269\u2ecb\u300d\u2192 \u8bbf\u95ee <\/span>\/cart\/checkout <\/span><\/p>\n

2. <\/span>\u670d\u52a1\u5c42\u8c03\u2f64 <\/span>cartService.clearCart <\/span>（\u6e05\u7a7a\u5f53\u524d\u2f64\u2f3e\u8d2d\u7269\u2ecb） <\/span><\/p>\n

3. <\/span>\u91cd\u5b9a\u5411\u5230 <\/span>\/products?checkout=success <\/span>\u2192 \u663e\u2f70\u7ed3\u7b97\u6210\u529f\u63d0\u2f70 <\/span><\/p>\n

\u8003\u70b9：\u4e1a\u52a1\u6d41\u7a0b\u6b65\u9aa4\u63cf\u8ff0\u3001\u670d\u52a1\u5c42\u6838\u2f3c\u903b\u8f91（\u5982\u52a0\u2f0a\u8d2d\u7269\u2ecb\u7684\u5224\u65ad\u903b\u8f91）\u3002 <\/span><\/p>\n

\u4e94\u3001Docker \u5bb9\u5668\u5316\u90e8\u7f72（\u914d\u7f6e\u9898\u91cd\u70b9） <\/span><\/p>\n

1. \u6838\u2f3c\u914d\u7f6e\u2f42\u4ef6 <\/span><\/p>\n

（1）Dockerfile（\u5e94\u2f64\u5bb9\u5668\u5316） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u591a\u9636\u6bb5\u6784\u5efa：\u5148\u6253\u5305 Jar \u5305，\u518d\u2f64\u8f7b\u91cf\u955c\u50cf\u8fd0\u2f8f（\u51cf\u2f29\u4f53\u79ef） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u6307\u4ee4： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

# <\/span>\u9636\u6bb5<\/span>1<\/span>：\u6784\u5efa <\/span>Jar <\/span>\u5305 <\/span><\/p>\n

FROM <\/span>maven:<\/span>3.8<\/span>.<\/span>5<\/span>-openjdk-<\/span>8 <\/span>AS build <\/span><\/p>\n

1 <\/span><\/p>\n

2<\/span>WORKDIR <\/span>\/app <\/span><\/p>\n

COPY <\/span>pom.xml . <\/span><\/p>\n

COPY <\/span>src .\/src <\/span><\/p>\n

RUN <\/span>mvn clean package -DskipTests <\/span><\/p>\n

# <\/span>\u9636\u6bb5<\/span>2<\/span>：\u8fd0\u2f8f <\/span>Jar <\/span>\u5305（<\/span>alpine <\/span>\u955c\u50cf\u8f7b\u91cf） <\/span><\/p>\n

FROM <\/span>openjdk:<\/span>8<\/span>-jdk-alpine <\/span><\/p>\n

WORKDIR <\/span>\/app <\/span><\/p>\n

COPY <\/span>–from=build \/app\/target\/ecommerce-1.0.0.jar app.jar <\/span><\/p>\n

EXPOSE <\/span>8080 <\/span># <\/span>\u66b4\u9732\u7aef\u2f1d（\u4e0e <\/span>application.properties <\/span>\u2f00\u81f4） <\/span><\/p>\n

ENTRYPOINT <\/span>[<\/span>"java"<\/span>, <\/span>"-jar"<\/span>, <\/span>"app.jar"<\/span>] <\/span># <\/span>\u542f\u52a8\u547d\u4ee4 <\/span><\/p>\n

（2）docker-compose.yml（\u591a\u5bb9\u5668\u7f16\u6392） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u529f\u80fd：\u540c\u65f6\u542f\u52a8 Spring Boot \u5e94\u2f64\u548c MySQL \u5bb9\u5668，\u914d\u7f6e\u2f79\u7edc\u548c\u6570\u636e\u6301\u4e45\u5316 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u914d\u7f6e： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

version: <\/span>'3.8' <\/span><\/p>\n

services: <\/span><\/p>\n

# MySQL <\/span>\u670d\u52a1 <\/span><\/p>\n

mysql: <\/span><\/p>\n

image: <\/span>mysql:8.0 <\/span><\/p>\n

container_name: <\/span>ecommerce-mysql <\/span><\/p>\n

restart: <\/span>always <\/span><\/p>\n

environment: <\/span><\/p>\n

MYSQL_ROOT_PASSWORD: <\/span>root123 <\/span># <\/span>\u6839\u5bc6\u7801（\u4e0e <\/span>application.properties <\/span>\u2f00\u81f4） <\/span><\/p>\n

MYSQL_DATABASE: <\/span>ecommerce_db <\/span># <\/span>\u2f83\u52a8\u521b\u5efa\u6570\u636e\u5e93 <\/span><\/p>\n

MYSQL_CHARACTER_SET_SERVER: <\/span>utf8mb4 <\/span><\/p>\n

ports: <\/span><\/p>\n

– <\/span>"3306:3306" <\/span><\/p>\n

volumes: <\/span><\/p>\n

– <\/span>mysql-data:\/var\/lib\/mysql <\/span># <\/span>\u6570\u636e\u6301\u4e45\u5316 <\/span><\/p>\n

networks: <\/span><\/p>\n

– <\/span>ecommerce-network <\/span><\/p>\n

# <\/span>\u5e94\u2f64\u670d\u52a1 <\/span><\/p>\n

app: <\/span><\/p>\n

build: <\/span>. <\/span># <\/span>\u6784\u5efa\u5f53\u524d\u2f6c\u5f55\u7684 <\/span>Dockerfile <\/span><\/p>\n

container_name: <\/span>ecommerce-app <\/span><\/p>\n

restart: <\/span>always <\/span><\/p>\n

ports: <\/span><\/p>\n

– <\/span>"8080:8080" <\/span><\/p>\n

depends_on: <\/span><\/p>\n

– <\/span>mysql <\/span># <\/span>\u4f9d\u8d56 <\/span>MySQL<\/span>，\u5148\u542f\u52a8 <\/span>MySQL <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

17 <\/span><\/p>\n

18 <\/span><\/p>\n

19 <\/span><\/p>\n

20 <\/span><\/p>\n

21 <\/span><\/p>\n

22 <\/span><\/p>\n

23 <\/span><\/p>\n

24 <\/span><\/p>\n

25 <\/span><\/p>\n

26 <\/span><\/p>\n

27<\/span>networks: <\/span><\/p>\n

– <\/span>ecommerce-network <\/span><\/p>\n

# <\/span>\u2f79\u7edc（\u5bb9\u5668\u4e92\u901a） <\/span><\/p>\n

networks: <\/span><\/p>\n

ecommerce-network: <\/span><\/p>\n

driver: <\/span>bridge <\/span><\/p>\n

# <\/span>\u6570\u636e\u5377（\u6301\u4e45\u5316 <\/span>MySQL <\/span>\u6570\u636e） <\/span><\/p>\n

volumes: <\/span><\/p>\n

mysql-data: <\/span><\/p>\n

2. \u5173\u952e\u914d\u7f6e\u8bf4\u660e <\/span><\/p>\n

\u2022 <\/span><\/p>\n

spring.datasource.url <\/span>： <\/span>jdbc:mysql:\/\/mysql:3306\/ecommerce_db?xxx <\/span><\/p>\n

（ <\/span>mysql <\/span>\u662f Docker Compose \u4e2d MySQL \u5bb9\u5668\u540d，\u2f40\u6301\u5185\u90e8\u57df\u540d\u89e3\u6790） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6570\u636e\u6301\u4e45\u5316： <\/span>volumes: mysql-data:\/var\/lib\/mysql <\/span>（\u5bb9\u5668\u5220\u9664\u540e\u6570\u636e\u4e0d\u4e22\u5931） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f9d\u8d56\u987a\u5e8f： <\/span>depends_on: – mysql <\/span>（\u786e\u4fdd\u5e94\u2f64\u542f\u52a8\u524d MySQL \u5df2\u5c31\u7eea） <\/span><\/p>\n

3. \u6838\u2f3c\u547d\u4ee4（\u5fc5\u8003） <\/span><\/p>\n

\u529f\u80fd <\/span><\/p>\n

\u547d\u4ee4 <\/span><\/p>\n

\u6784\u5efa\u5e76\u542f\u52a8\u5bb9\u5668（\u540e\u53f0） <\/span><\/p>\n

docker compose up — <\/span><\/p>\n

build -d <\/span><\/p>\n

\u67e5\u770b\u8fd0\u2f8f\u4e2d\u7684\u5bb9\u5668 <\/span><\/p>\n

docker compose ps <\/span><\/p>\n

\u67e5\u770b\u5e94\u2f64\u2f47\u5fd7（\u6392\u9519） <\/span><\/p>\n

docker compose logs <\/span><\/p>\n

app <\/span><\/p>\n

\u505c\u2f4c\u5e76\u5220\u9664\u5bb9\u5668（\u4fdd\u6570\u636e） <\/span><\/p>\n

docker compose down <\/span><\/p>\n

\u505c\u2f4c\u5e76\u5220\u9664\u5bb9\u5668+\u6570\u636e <\/span><\/p>\n

docker compose down – <\/span><\/p>\n

v <\/span>（\u8c28\u614e\u4f7f\u2f64） <\/span><\/p>\n

\u8003\u70b9：Dockerfile \u6307\u4ee4\u542b\u4e49\u3001docker-compose.yml \u914d\u7f6e\u9879\u89e3\u91ca（\u5982 <\/span>depends_on <\/span>\u3001 <\/span><\/p>\n

volumes <\/span>）\u3001\u6838\u2f3c\u547d\u4ee4\u4f7f\u2f64\u3002 <\/span><\/p>\n

\u516d\u3001\u9879\u2f6c\u914d\u7f6e\u2f42\u4ef6（application.properties） <\/span><\/p>\n

\u6838\u2f3c\u914d\u7f6e\u9879（\u9700\u8bb0\u5fc6\u5173\u952e\u53c2\u6570）： <\/span><\/p>\n

28 <\/span><\/p>\n

29 <\/span><\/p>\n

30 <\/span><\/p>\n

31 <\/span><\/p>\n

32 <\/span><\/p>\n

33 <\/span><\/p>\n

34 <\/span><\/p>\n

35 <\/span><\/p>\n

36 <\/span><\/p>\n

37 <\/span><\/p>\n

38<\/span># <\/span>\u670d\u52a1\u5668\u7aef\u2f1d <\/span><\/p>\n

server.port<\/span>=<\/span>8080 <\/span><\/p>\n

# <\/span>\u6570\u636e\u5e93\u914d\u7f6e（\u8fde\u63a5 <\/span>Docker <\/span>\u4e2d\u7684 <\/span>MySQL<\/span>） <\/span><\/p>\n

spring.datasource.url<\/span>=<\/span>jdbc:mysql:\/\/mysql:3306\/ecommerce_db? <\/span><\/p>\n

useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=UTC <\/span><\/p>\n

spring.datasource.username<\/span>=<\/span>root <\/span><\/p>\n

spring.datasource.password<\/span>=<\/span>root123 <\/span><\/p>\n

spring.datasource.driver-class-name<\/span>=<\/span>com.mysql.cj.jdbc.Driver <\/span><\/p>\n

# JPA <\/span>\u914d\u7f6e（\u2f83\u52a8\u5efa\u8868\u3001\u663e\u2f70 <\/span>SQL<\/span>） <\/span><\/p>\n

spring.jpa.hibernate.ddl-auto<\/span>=<\/span>update # <\/span>\u542f\u52a8\u65f6\u2f83\u52a8\u521b\u5efa<\/span>\/<\/span>\u66f4\u65b0\u8868 <\/span><\/p>\n

spring.jpa.show-sql<\/span>=<\/span>true # <\/span>\u663e\u2f70 <\/span>SQL <\/span>\u8bed\u53e5 <\/span><\/p>\n

spring.jpa.properties.hibernate.format_sql<\/span>=<\/span>true # <\/span>\u683c\u5f0f\u5316 <\/span>SQL <\/span><\/p>\n

# Thymeleaf <\/span>\u5f00\u53d1\u6a21\u5f0f（\u7981\u2f64\u7f13\u5b58） <\/span><\/p>\n

spring.thymeleaf.cache<\/span>=<\/span>false # <\/span>\u4fee\u6539\u2eda\u2faf\u2f46\u9700\u91cd\u542f\u9879\u2f6c <\/span><\/p>\n

\u8003\u70b9： <\/span>spring.jpa.hibernate.ddl-auto=update <\/span>\u7684\u4f5c\u2f64\u3001 <\/span><\/p>\n

spring.thymeleaf.cache=false <\/span>\u7684\u610f\u4e49\u3001\u6570\u636e\u5e93 URL \u4e2d\u7684 <\/span>mysql <\/span>\u542b\u4e49\u3002 <\/span><\/p>\n

\u4e03\u3001\u6570\u636e\u521d\u59cb\u5316（data.sql） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4f5c\u2f64：\u9879\u2f6c\u542f\u52a8\u65f6\u2f83\u52a8\u6267\u2f8f SQL，\u521d\u59cb\u5316\u6d4b\u8bd5\u6570\u636e（\u2f64\u2f3e\u3001\u5546\u54c1） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6838\u2f3c\u2f70\u4f8b： <\/span><\/p>\n

\u4ee3\u7801\u5757 <\/span><\/p>\n

— <\/span>\u6d4b\u8bd5\u2f64\u2f3e（\u5bc6\u7801 <\/span>123456<\/span>，<\/span>BCrypt <\/span>\u52a0\u5bc6\u540e） <\/span><\/p>\n

INSERT INTO <\/span>users (username, password, full_name) <\/span><\/p>\n

VALUES <\/span>(<\/span>'testuser'<\/span>, <\/span><\/p>\n

'$2a$10$8H9w5f8G7y6D4s3a2q1z0b9n8m7l6k5j4h3g2f1d0s9a8s7d6f5g4h3j2k1l0'<\/span>, <\/span>'<\/span>\u6d4b\u8bd5\u2f64 <\/span><\/p>\n

\u2f3e<\/span>'<\/span>); <\/span><\/p>\n

— <\/span>\u6d4b\u8bd5\u5546\u54c1 <\/span><\/p>\n

INSERT INTO <\/span>products (name, description, price, image_url) <\/span><\/p>\n

VALUES <\/span>(<\/span>'<\/span>\u2f29\u2f76\u2f3f\u673a<\/span>'<\/span>, <\/span>'<\/span>\u2fbc\u6027\u80fd\u667a\u80fd\u2f3f\u673a<\/span>'<\/span>, <\/span>2999.00<\/span>, <\/span>'https:\/\/picsum.photos\/200\/200? <\/span><\/p>\n

random=1'<\/span>); <\/span><\/p>\n

\u8003\u70b9：data.sql \u7684\u4f5c\u2f64\u3001\u6d4b\u8bd5\u2f64\u2f3e\u7684\u2f64\u2f3e\u540d\/\u5bc6\u7801（testuser\/123456）\u3002 <\/span><\/p>\n

\u2f0b\u3001\u6613\u9519\u70b9\u4e0e\u2fbc\u9891\u8003\u70b9\u603b\u7ed3 <\/span><\/p>\n

1. \u6613\u9519\u70b9 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7 <\/span><\/p>\n

8 <\/span><\/p>\n

9 <\/span><\/p>\n

10 <\/span><\/p>\n

11 <\/span><\/p>\n

12 <\/span><\/p>\n

13 <\/span><\/p>\n

14 <\/span><\/p>\n

15 <\/span><\/p>\n

16 <\/span><\/p>\n

1 <\/span><\/p>\n

2 <\/span><\/p>\n

3 <\/span><\/p>\n

4 <\/span><\/p>\n

5 <\/span><\/p>\n

6 <\/span><\/p>\n

7<\/span>\u2022 <\/span><\/p>\n

\u6ce8\u89e3\u6df7\u6dc6： <\/span>@Entity <\/span>（\u5b9e\u4f53\u5c42） vs <\/span>@Service <\/span>（\u670d\u52a1\u5c42） vs <\/span>@Controller <\/span>（\u63a7\u5236\u5668\u5c42） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u6570\u636e\u5e93 URL \u9519\u8bef：\u5c06 <\/span>mysql <\/span>\u5199\u6210 <\/span>localhost <\/span>（Docker \u73af\u5883\u4e0b\u9700\u2f64\u5bb9\u5668\u540d） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u5bc6\u7801\u672a\u52a0\u5bc6：Spring Security \u5f3a\u5236\u8981\u6c42\u5bc6\u7801\u52a0\u5bc6，\u9700\u901a\u8fc7 <\/span>PasswordEncoder <\/span>\u5904\u7406 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

Thymeleaf \u7f13\u5b58\u672a\u5173\u95ed：\u5f00\u53d1\u65f6\u4fee\u6539\u2eda\u2faf\u4e0d\u2f63\u6548（\u9700\u8bbe\u7f6e <\/span><\/p>\n

spring.thymeleaf.cache=false <\/span>） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u8868\u5173\u8054\u6ce8\u89e3\u9519\u8bef： <\/span>@OneToMany(mappedBy="user") <\/span>\u4e2d <\/span>mappedBy <\/span>\u5bf9\u5e94\u5173\u8054\u5b57\u6bb5\u540d <\/span><\/p>\n

2. \u2fbc\u9891\u8003\u70b9 <\/span><\/p>\n

1. <\/span>\u5206\u5c42\u67b6\u6784\u7684\u804c\u8d23\u4e0e\u6ce8\u89e3（\u5982 Service \u5c42\u2f64\u4ec0\u4e48\u6ce8\u89e3，\u4f5c\u2f64\u662f\u4ec0\u4e48） <\/span><\/p>\n

2. <\/span>Spring Security \u767b\u5f55\u6d41\u7a0b\u4e0e\u5bc6\u7801\u52a0\u5bc6（ <\/span>PasswordEncoder <\/span>\u3001 <\/span>UserDetailsService <\/span>） <\/span><\/p>\n

3. <\/span>Spring Data JPA \u2f83\u5b9a\u4e49\u67e5\u8be2\u2f45\u6cd5（\u5982 <\/span>findByUsername <\/span>\u7684\u4f5c\u2f64） <\/span><\/p>\n

4. <\/span>Docker \u5bb9\u5668\u5316\u914d\u7f6e（Dockerfile\u3001docker-compose.yml \u6838\u2f3c\u914d\u7f6e） <\/span><\/p>\n

5. <\/span>\u6838\u2f3c\u4e1a\u52a1\u903b\u8f91（\u52a0\u2f0a\u8d2d\u7269\u2ecb\u7684\u5224\u65ad\u903b\u8f91\u3001\u7ed3\u7b97\u6d41\u7a0b） <\/span><\/p>\n

6. <\/span>\u63a7\u5236\u5668\u7684\u8bf7\u6c42\u6620\u5c04\u4e0e\u2eda\u2faf\u8df3\u8f6c（ <\/span>@GetMapping <\/span>\u3001 <\/span>redirect <\/span>） <\/span><\/p>\n

7. <\/span>\u5b9e\u4f53\u7c7b\u7684 JPA \u6ce8\u89e3\u4e0e\u8868\u5173\u8054（ <\/span>@OneToMany <\/span>\u3001 <\/span>@ManyToOne <\/span>） <\/span><\/p>\n

3. \u7b54\u9898\u6280\u5de7 <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u4ee3\u7801\u586b\u7a7a\u9898：\u5148\u660e\u786e\u5206\u5c42（\u5982\u5b9e\u4f53\u5c42\u8865 <\/span>@Entity <\/span>，\u670d\u52a1\u5c42\u8865 <\/span>@Service <\/span>） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u914d\u7f6e\u9898：\u56f4\u7ed5\u300c\u2f00\u81f4\u6027\u300d\u539f\u5219（\u5982 MySQL \u5bc6\u7801\u5728 <\/span>application.properties <\/span>\u548c <\/span>docker<\/span><\/p>\n

compose.yml <\/span>\u4e2d\u5fc5\u987b\u2f00\u81f4） <\/span><\/p>\n

\u2022 <\/span><\/p>\n

\u7b80\u7b54\u9898：\u6309\u300c\u6b65\u9aa4+\u6838\u2f3c\u7ec4\u4ef6\u300d\u63cf\u8ff0（\u5982\u767b\u5f55\u6d41\u7a0b：\u2eda\u2faf\u63d0\u4ea4\u2192Security \u8c03\u2f64 <\/span><\/p>\n

loadUserByUsername <\/span>\u2192\u67e5\u8be2\u2f64\u2f3e\u2192\u5bc6\u7801\u6821\u9a8c\u2192\u8df3\u8f6c） <\/span><\/p>\n

\u4e5d\u3001\u5b9e\u6218\u6d4b\u8bd5\u6d41\u7a0b（\u8f85\u52a9\u7406\u89e3） <\/span><\/p>\n

1. <\/span>\u542f\u52a8\u5bb9\u5668： <\/span>docker compose up –build -d <\/span><\/p>\n

2. <\/span>\u8bbf\u95ee\u767b\u5f55\u2eda： <\/span>http:\/\/localhost:8080\/login <\/span><\/p>\n

3. <\/span>\u767b\u5f55：\u2f64\u2f3e\u540d <\/span>testuser <\/span>，\u5bc6\u7801 <\/span>123456 <\/span><\/p>\n

4. <\/span>\u64cd\u4f5c\u6d41\u7a0b：\u5546\u54c1\u5217\u8868\u2192\u52a0\u2f0a\u8d2d\u7269\u2ecb\u2192\u67e5\u770b\u8d2d\u7269\u2ecb\u2192\u5220\u9664\u5546\u54c1\u2192\u7ed3\u7b97\u2192\u9000\u51fa\u767b\u5f55 <\/span><\/p>\n

\u901a\u8fc7\u5b9e\u6218\u6d41\u7a0b\u7406\u89e3\u5404\u6a21\u5757\u7684\u4ea4\u4e92\u5173\u7cfb，\u52a9\u2f12\u7406\u8bba\u7b54\u9898！<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

\u590d\u4e60\u8bfe\u6572\u91cd\u70b9 \u2f00\u3001\u8003\u8bd5\u6838\u2f3c\u4fe1\u606f 1. \u8003\u8bd5\u65f6\u95f4：2026\u5e741\u2f4912\u2f47（\u661f\u671f\u2f00）9:00-11:00 2. \u8003\u8bd5\u5730\u70b9：A1-201\u3001A1-202 3. \u7b54\u9898\u8981\u6c42： \u25e6 \u8bd5\u5377\u542b\u8bd5\u9898\u5377（4\u2eda）\u548c\u7b54\u9898\u5377（6\u2eda），\u7b54\u6848\u5fc5\u987b\u5199\u5728\u7b54\u9898\u5377\u4e0a，\u8bd5\u9898\u5377\u7b54\u9898\u2f46\u6548 \u25e6 \u9700\u5728\u8bd5\u9898\u5377\u548c\u7b54\u9898\u5377\u6307\u5b9a\u4f4d\u7f6e\u586b\u5199\u59d3\u540d\u3001\u5b66\u53f7\u3001\u4e13\u4e1a\u73ed\u7ea7\u3001\u5ea7\u4f4d\u53f7（\u5ea7\u4f4d\u53f7<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[779,482,99,190,2330,305],"topic":[],"class_list":["post-60579","post","type-post","status-publish","format-standard","hentry","category-server","tag-hadoop","tag-hive","tag-java","tag-190","tag-2330","tag-305"],"yoast_head":"\n\u3010\u534e\u5de52025\u7248\u3011\u7f51\u7edc\u5e94\u7528\u67b6\u6784PPT\u7b14\u8bb0\uff08\u53ef\u4ee5\u5728\u4e13\u680f\u4e0b\u8f7d\u683c\u5f0f\u89c4\u6574\u7684pdf\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/60579.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010\u534e\u5de52025\u7248\u3011\u7f51\u7edc\u5e94\u7528\u67b6\u6784PPT\u7b14\u8bb0\uff08\u53ef\u4ee5\u5728\u4e13\u680f\u4e0b\u8f7d\u683c\u5f0f\u89c4\u6574\u7684pdf\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u590d\u4e60\u8bfe\u6572\u91cd\u70b9 \u2f00\u3001\u8003\u8bd5\u6838\u2f3c\u4fe1\u606f 1. \u8003\u8bd5\u65f6\u95f4：2026\u5e741\u2f4912\u2f47（\u661f\u671f\u2f00）9:00-11:00 2. \u8003\u8bd5\u5730\u70b9：A1-201\u3001A1-202 3. \u7b54\u9898\u8981\u6c42： \u25e6 \u8bd5\u5377\u542b\u8bd5\u9898\u5377（4\u2eda）\u548c\u7b54\u9898\u5377（6\u2eda），\u7b54\u6848\u5fc5\u987b\u5199\u5728\u7b54\u9898\u5377\u4e0a，\u8bd5\u9898\u5377\u7b54\u9898\u2f46\u6548 \u25e6 \u9700\u5728\u8bd5\u9898\u5377\u548c\u7b54\u9898\u5377\u6307\u5b9a\u4f4d\u7f6e\u586b\u5199\u59d3\u540d\u3001\u5b66\u53f7\u3001\u4e13\u4e1a\u73ed\u7ea7\u3001\u5ea7\u4f4d\u53f7（\u5ea7\u4f4d\u53f7\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/60579.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-15T14:57:18+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"51 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/60579.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/60579.html\",\"name\":\"\u3010\u534e\u5de52025\u7248\u3011\u7f51\u7edc\u5e94\u7528\u67b6\u6784PPT\u7b14\u8bb0\uff08\u53ef\u4ee5\u5728\u4e13\u680f\u4e0b\u8f7d\u683c\u5f0f\u89c4\u6574\u7684pdf\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"isPartOf\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\"},\"datePublished\":\"2026-01-15T14:57:18+00:00\",\"dateModified\":\"2026-01-15T14:57:18+00:00\",\"author\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.wsisp.com\/helps\/60579.html#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.wsisp.com\/helps\/60579.html\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/60579.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.wsisp.com\/helps\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u3010\u534e\u5de52025\u7248\u3011\u7f51\u7edc\u5e94\u7528\u67b6\u6784PPT\u7b14\u8bb0\uff08\u53ef\u4ee5\u5728\u4e13\u680f\u4e0b\u8f7d\u683c\u5f0f\u89c4\u6574\u7684pdf\uff09\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#website\",\"url\":\"https:\/\/www.wsisp.com\/helps\/\",\"name\":\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\",\"description\":\"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41\",\"name\":\"admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"contentUrl\":\"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery\",\"caption\":\"admin\"},\"sameAs\":[\"http:\/\/wp.wsisp.com\"],\"url\":\"https:\/\/www.wsisp.com\/helps\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u3010\u534e\u5de52025\u7248\u3011\u7f51\u7edc\u5e94\u7528\u67b6\u6784PPT\u7b14\u8bb0\uff08\u53ef\u4ee5\u5728\u4e13\u680f\u4e0b\u8f7d\u683c\u5f0f\u89c4\u6574\u7684pdf\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wsisp.com\/helps\/60579.html","og_locale":"zh_CN","og_type":"article","og_title":"\u3010\u534e\u5de52025\u7248\u3011\u7f51\u7edc\u5e94\u7528\u67b6\u6784PPT\u7b14\u8bb0\uff08\u53ef\u4ee5\u5728\u4e13\u680f\u4e0b\u8f7d\u683c\u5f0f\u89c4\u6574\u7684pdf\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","og_description":"\u590d\u4e60\u8bfe\u6572\u91cd\u70b9 \u2f00\u3001\u8003\u8bd5\u6838\u2f3c\u4fe1\u606f 1. \u8003\u8bd5\u65f6\u95f4：2026\u5e741\u2f4912\u2f47（\u661f\u671f\u2f00）9:00-11:00 2. \u8003\u8bd5\u5730\u70b9：A1-201\u3001A1-202 3. \u7b54\u9898\u8981\u6c42： \u25e6 \u8bd5\u5377\u542b\u8bd5\u9898\u5377（4\u2eda）\u548c\u7b54\u9898\u5377（6\u2eda），\u7b54\u6848\u5fc5\u987b\u5199\u5728\u7b54\u9898\u5377\u4e0a，\u8bd5\u9898\u5377\u7b54\u9898\u2f46\u6548 \u25e6 \u9700\u5728\u8bd5\u9898\u5377\u548c\u7b54\u9898\u5377\u6307\u5b9a\u4f4d\u7f6e\u586b\u5199\u59d3\u540d\u3001\u5b66\u53f7\u3001\u4e13\u4e1a\u73ed\u7ea7\u3001\u5ea7\u4f4d\u53f7（\u5ea7\u4f4d\u53f7","og_url":"https:\/\/www.wsisp.com\/helps\/60579.html","og_site_name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","article_published_time":"2026-01-15T14:57:18+00:00","author":"admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"51 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.wsisp.com\/helps\/60579.html","url":"https:\/\/www.wsisp.com\/helps\/60579.html","name":"\u3010\u534e\u5de52025\u7248\u3011\u7f51\u7edc\u5e94\u7528\u67b6\u6784PPT\u7b14\u8bb0\uff08\u53ef\u4ee5\u5728\u4e13\u680f\u4e0b\u8f7d\u683c\u5f0f\u89c4\u6574\u7684pdf\uff09 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","isPartOf":{"@id":"https:\/\/www.wsisp.com\/helps\/#website"},"datePublished":"2026-01-15T14:57:18+00:00","dateModified":"2026-01-15T14:57:18+00:00","author":{"@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41"},"breadcrumb":{"@id":"https:\/\/www.wsisp.com\/helps\/60579.html#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.wsisp.com\/helps\/60579.html"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.wsisp.com\/helps\/60579.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.wsisp.com\/helps"},{"@type":"ListItem","position":2,"name":"\u3010\u534e\u5de52025\u7248\u3011\u7f51\u7edc\u5e94\u7528\u67b6\u6784PPT\u7b14\u8bb0\uff08\u53ef\u4ee5\u5728\u4e13\u680f\u4e0b\u8f7d\u683c\u5f0f\u89c4\u6574\u7684pdf\uff09"}]},{"@type":"WebSite","@id":"https:\/\/www.wsisp.com\/helps\/#website","url":"https:\/\/www.wsisp.com\/helps\/","name":"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3","description":"\u9999\u6e2f\u670d\u52a1\u5668_\u9999\u6e2f\u4e91\u670d\u52a1\u5668\u8d44\u8baf_\u670d\u52a1\u5668\u5e2e\u52a9\u6587\u6863_\u670d\u52a1\u5668\u6559\u7a0b","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.wsisp.com\/helps\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/358e386c577a3ab51c4493330a20ad41","name":"admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.wsisp.com\/helps\/#\/schema\/person\/image\/","url":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","contentUrl":"https:\/\/gravatar.wp-china-yes.net\/avatar\/?s=96&d=mystery","caption":"admin"},"sameAs":["http:\/\/wp.wsisp.com"],"url":"https:\/\/www.wsisp.com\/helps\/author\/admin"}]}},"_links":{"self":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/60579","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/comments?post=60579"}],"version-history":[{"count":0,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/posts\/60579\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/media?parent=60579"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/categories?post=60579"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/tags?post=60579"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.wsisp.com\/helps\/wp-json\/wp\/v2\/topic?post=60579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}