![\"menu-r.4af5f7ec.gif\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250616005111-684f6a7fcf9b4.gif\")
<\/p>\n \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p>\n
\u7b80\u4ecb：Apache Tomcat 8.5.49\u662f\u5f00\u6e90Java Servlet\u5bb9\u5668，\u9075\u5faaJava EE\u89c4\u8303，\u9002\u7528\u4e8e\u5f00\u53d1\u548c\u90e8\u7f72Java Web\u5e94\u7528\u3002\u672c\u7248\u672c\u7279\u4e3a\u4f18\u5316\u800c\u8bbe\u8ba1，\u65e0\u591a\u4f59\u63d2\u4ef6\u6216\u914d\u7f6e，\u63d0\u4f9b\u7a33\u5b9a\u7684\u57fa\u7840\u73af\u5883\u3002\u5b83\u652f\u6301\u5173\u952eJava Web\u7ec4\u4ef6\u5982Servlet 3.1, JSP 2.3\u548cEL 3.0，\u5e76\u5177\u6709\u6e05\u6670\u7684\u914d\u7f6e\u6587\u4ef6\u3001\u6807\u51c6\u76ee\u5f55\u7ed3\u6784\u548c\u5b89\u5168\u673a\u5236\u3002\u638c\u63e1\u90e8\u7f72\u3001\u6027\u80fd\u4f18\u5316\u548c\u6545\u969c\u6392\u67e5\u6280\u5de7\u5bf9\u4e8eJava Web\u5f00\u53d1\u81f3\u5173\u91cd\u8981\u3002 ![\"apache-tomcat-8.5.49.zip\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/06\/20250616005111-684f6a7fd7bed.png\")
<\/p>\n
Apache Tomcat \u662f\u4e00\u4e2a\u5f00\u6e90\u7684Servlet\u5bb9\u5668，\u7528\u4e8e\u8fd0\u884cJava Servlet\u548cJavaServer Pages (JSP) Web\u5e94\u7528\u7a0b\u5e8f\u3002\u5b83\u662f Jakarta Servlet \u548c Jakarta Server Pages \u89c4\u8303\u7684\u5b98\u65b9\u53c2\u8003\u5b9e\u73b0\u7684\u4e00\u90e8\u5206，\u56e0\u6b64\u7ecf\u5e38\u5728Web\u5e94\u7528\u670d\u52a1\u5668\u7684\u751f\u6001\u7cfb\u7edf\u4e2d\u626e\u6f14\u91cd\u8981\u89d2\u8272\u3002 <\/p>\n
Tomcat\u4f5c\u4e3aWeb\u670d\u52a1\u5668，\u627f\u62c5\u7740\u5ba2\u6237\u7aef\u8bf7\u6c42\u548c\u670d\u52a1\u5668\u54cd\u5e94\u7684\u5904\u7406\u5de5\u4f5c\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u5957\u7b80\u5355\u4f46\u529f\u80fd\u5f3a\u5927\u7684API\u6765\u5904\u7406HTTP\u8bf7\u6c42，\u5e76\u80fd\u591f\u4ee5\u7ebf\u7a0b\u7684\u5f62\u5f0f\u6267\u884cJava\u4ee3\u7801，\u4ee5\u4fbf\u5904\u7406\u66f4\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91\u3002\u4f5c\u4e3aApache\u8f6f\u4ef6\u57fa\u91d1\u4f1a\u7684\u9879\u76ee，Tomcat\u5e7f\u6cdb\u53d7\u5230\u5f00\u53d1\u4eba\u5458\u548c\u4f01\u4e1a\u7684\u4fe1\u4efb\u3002 <\/p>\n
\u81ea1999\u5e74\u53d1\u5e03\u7b2c\u4e00\u4e2a\u7248\u672c\u4ee5\u6765，Tomcat\u7ecf\u5386\u4e86\u591a\u6b21\u8fed\u4ee3\u66f4\u65b0，\u6bcf\u4e2a\u65b0\u7248\u672c\u90fd\u5728\u6027\u80fd\u3001\u7a33\u5b9a\u6027\u548c\u5b89\u5168\u6027\u65b9\u9762\u8fdb\u884c\u4e86\u6539\u8fdb\u3002\u7279\u522b\u662f\u4eceTomcat 7\u5f00\u59cb，\u5f15\u5165\u4e86\u5bf9Servlet 3.0\u89c4\u8303\u7684\u652f\u6301，\u5e76\u5728\u540e\u7eed\u7248\u672c\u4e2d\u4e0d\u65ad\u4f18\u5316\u3002\u4e86\u89e3Tomcat\u7684\u7248\u672c\u6f14\u8fdb，\u6709\u52a9\u4e8e\u5f00\u53d1\u8005\u9009\u62e9\u5408\u9002\u7684\u7248\u672c\u4ee5\u9002\u914d\u7279\u5b9a\u7684\u6280\u672f\u9700\u6c42\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u7248\u672c\u65f6\u95f4\u7ebf： <\/p>\n
\u901a\u8fc7\u8fd9\u4e00\u7cfb\u5217\u7684\u7248\u672c\u66f4\u8fed，Tomcat\u9010\u6b65\u6784\u5efa\u8d77\u4e86\u5b83\u5f3a\u5927\u7684\u529f\u80fd\u548c\u5e7f\u6cdb\u7684\u5e94\u7528\u57fa\u7840\u3002\u968f\u7740\u65b0\u7684\u7f51\u7edc\u6280\u672f\u7684\u53d1\u5c55，Tomcat\u4e5f\u4e0d\u65ad\u5728\u4f18\u5316\u6027\u80fd\u548c\u6269\u5c55\u529f\u80fd\u4e0a\u524d\u8fdb，\u4ee5\u6ee1\u8db3\u73b0\u4ee3Web\u5e94\u7528\u7684\u9700\u6c42\u3002\u5bf9\u4e8e\u5f00\u53d1\u4eba\u5458\u800c\u8a00，\u9009\u62e9\u9002\u5408\u81ea\u5df1\u9879\u76ee\u7684Tomcat\u7248\u672c，\u662f\u9879\u76ee\u6210\u529f\u7684\u5173\u952e\u4e00\u6b65\u3002 <\/p>\n
Java Servlet\u662fJava EE（\u73b0\u5728\u662fJakarta EE）\u6280\u672f\u7684\u91cd\u8981\u7ec4\u6210\u90e8\u5206，\u5b83\u63d0\u4f9b\u4e86\u4e00\u4e2a\u57fa\u4e8eJava\u7684\u670d\u52a1\u5668\u7aef\u7f16\u7a0b\u6a21\u578b，\u7528\u4e8e\u6269\u5c55\u670d\u52a1\u5668\u7684\u529f\u80fd\u3002Servlet\u80fd\u591f\u54cd\u5e94\u4efb\u4f55\u7c7b\u578b\u7684\u8bf7\u6c42，\u4f46\u901a\u5e38\u7528\u4e8e\u6269\u5c55Web\u670d\u52a1\u5668，\u5904\u7406HTML\u8868\u5355\u63d0\u4ea4\u3001\u52a8\u6001\u751f\u6210HTML\u5185\u5bb9\u7b49\u4efb\u52a1\u3002 <\/p>\n
Servlet\u901a\u8fc7\u4e00\u7cfb\u5217\u660e\u786e\u7684\u9636\u6bb5\u6765\u54cd\u5e94\u5ba2\u6237\u7aef\u8bf7\u6c42：\u52a0\u8f7d\u3001\u5b9e\u4f8b\u5316\u3001\u521d\u59cb\u5316\u3001\u670d\u52a1\u8bf7\u6c42\u3001\u9500\u6bc1\u3002\u4e86\u89e3\u8fd9\u4e9b\u9636\u6bb5\u6709\u52a9\u4e8e\u5f00\u53d1\u51fa\u66f4\u7a33\u5b9a\u3001\u9ad8\u6548\u7684Web\u5e94\u7528\u3002 <\/p>\n
\u52a0\u8f7d\u4e0e\u5b9e\u4f8b\u5316 ： Servlet\u5bb9\u5668（\u5982Tomcat）\u8d1f\u8d23Servlet\u7684\u52a0\u8f7d\u4e0e\u5b9e\u4f8b\u5316\u3002\u5f53Web\u5e94\u7528\u542f\u52a8\u6216\u7b2c\u4e00\u6b21\u8bf7\u6c42\u5230\u6765\u65f6，\u5bb9\u5668\u52a0\u8f7dServlet\u7c7b\u5e76\u5b9e\u4f8b\u5316\u4e00\u4e2aServlet\u5bf9\u8c61\u3002 <\/p>\n<\/li>\n
\u521d\u59cb\u5316 ： \u521d\u59cb\u5316\u9636\u6bb5\u662f\u901a\u8fc7\u8c03\u7528 init() \u65b9\u6cd5\u6765\u5b8c\u6210\u7684，\u8fd9\u4ec5\u5728Servlet\u9996\u6b21\u52a0\u8f7d\u5230\u5bb9\u5668\u65f6\u53d1\u751f\u4e00\u6b21\u3002\u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d，\u53ef\u4ee5\u8fdb\u884c\u8d44\u6e90\u521d\u59cb\u5316，\u4f8b\u5982\u6570\u636e\u5e93\u8fde\u63a5\u7b49\u3002 <\/p>\n<\/li>\n
\u670d\u52a1\u8bf7\u6c42 ： \u8fd9\u662fServlet\u751f\u547d\u5468\u671f\u4e2d\u6700\u91cd\u8981\u7684\u90e8\u5206\u3002\u6bcf\u5f53\u5ba2\u6237\u7aef\u8bf7\u6c42\u5230\u8fbe\u65f6，Servlet\u5bb9\u5668\u521b\u5efa\u4e00\u4e2a HttpServletRequest \u5bf9\u8c61\u548c\u4e00\u4e2a HttpServletResponse \u5bf9\u8c61，\u7136\u540e\u8c03\u7528Servlet\u7684 service() \u65b9\u6cd5\u3002\u6839\u636e\u8bf7\u6c42\u7c7b\u578b（GET\u3001POST\u7b49）， service() \u65b9\u6cd5\u4f1a\u8c03\u7528 doGet() , doPost() , doPut() , \u7b49\u65b9\u6cd5\u4e2d\u7684\u4e00\u4e2a\u3002 <\/p>\n<\/li>\n
\u9500\u6bc1 ： \u5f53Web\u5e94\u7528\u5378\u8f7d\u6216Servlet\u5bb9\u5668\u7ec8\u6b62\u65f6，\u4f1a\u8c03\u7528 destroy() \u65b9\u6cd5\u3002\u5728\u8fd9\u4e2a\u65b9\u6cd5\u4e2d，\u53ef\u4ee5\u8fdb\u884c\u8d44\u6e90\u91ca\u653e\u7b49\u6e05\u7406\u5de5\u4f5c\u3002 <\/p>\n<\/li>\n
Servlet\u901a\u8fc7\u5904\u7406 HttpServletRequest \u548c HttpServletResponse \u5bf9\u8c61\u6765\u5b9e\u73b0\u4e0eHTTP\u534f\u8bae\u7684\u4ea4\u4e92\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684Servlet\u793a\u4f8b，\u6f14\u793a\u4e86\u5982\u4f55\u54cd\u5e94GET\u548cPOST\u8bf7\u6c42： <\/p>\n
import javax.servlet.*;
\nimport javax.servlet.http.*;
\nimport java.io.IOException;<\/p>\n
public class HelloServlet extends HttpServlet {
\n @Override
\n public void init() {
\n \/\/ \u521d\u59cb\u5316\u4ee3\u7801
\n }<\/p>\n
@Override
\n protected void doGet(HttpServletRequest request, HttpServletResponse response)
\n throws ServletException, IOException {
\n \/\/ \u5904\u7406GET\u8bf7\u6c42
\n response.setContentType("text\/html");
\n response.getWriter().println("<h1>Hello, World!<\/h1>");
\n }<\/p>\n
@Override
\n protected void doPost(HttpServletRequest request, HttpServletResponse response)
\n throws ServletException, IOException {
\n \/\/ \u5904\u7406POST\u8bf7\u6c42
\n response.setContentType("text\/html");
\n response.getWriter().println("<h1>Form submitted!<\/h1>");
\n }<\/p>\n
@Override
\n public void destroy() {
\n \/\/ \u9500\u6bc1\u4ee3\u7801
\n }
\n}<\/p>\n
\u5728\u6b64\u4ee3\u7801\u4e2d， doGet() \u65b9\u6cd5\u5904\u7406GET\u8bf7\u6c42，\u800c doPost() \u65b9\u6cd5\u5904\u7406POST\u8bf7\u6c42\u3002\u901a\u8fc7 response.setContentType() \u65b9\u6cd5\u8bbe\u7f6e\u54cd\u5e94\u5185\u5bb9\u7c7b\u578b， response.getWriter() \u83b7\u53d6\u8f93\u51fa\u6d41\u7528\u4e8e\u5199\u5165\u54cd\u5e94\u5185\u5bb9\u3002 <\/p>\n
Servlet\u8fc7\u6ee4\u5668\u662f\u4e00\u79cd\u7528\u4e8e\u62e6\u622a\u8bf7\u6c42\u548c\u54cd\u5e94\u7684\u7ec4\u4ef6，\u53ef\u4ee5\u7528\u4e8e\u6267\u884c\u8bf7\u6c42\u5904\u7406\u524d\u540e\u7684\u9884\u5904\u7406\u548c\u540e\u5904\u7406\u4efb\u52a1，\u6bd4\u5982\u65e5\u5fd7\u8bb0\u5f55\u3001\u5185\u5bb9\u8f6c\u6362\u3001\u6570\u636e\u538b\u7f29\u7b49\u3002\u800c\u76d1\u542c\u5668\u7528\u4e8e\u76d1\u542cWeb\u5e94\u7528\u4e2d\u53d1\u751f\u7684\u4e8b\u4ef6，\u5982\u8bf7\u6c42\u7684\u5f00\u59cb\u4e0e\u7ed3\u675f\u3001\u4f1a\u8bdd\u7684\u521b\u5efa\u548c\u9500\u6bc1\u7b49\u3002 <\/p>\n
Servlet\u4f1a\u8bdd\u7ba1\u7406\u6307\u7684\u662f\u8ddf\u8e2a\u7528\u6237\u5728Web\u5e94\u7528\u4e2d\u7684\u6d3b\u52a8，\u786e\u4fdd\u7528\u6237\u7684\u8bf7\u6c42\u80fd\u591f\u88ab\u6b63\u786e\u5173\u8054\u3002\u5178\u578b\u7684\u4f1a\u8bdd\u7ba1\u7406\u673a\u5236\u5305\u62ec： <\/p>\n
Servlet\u4f1a\u8bdd\u7ba1\u7406\u6d89\u53ca\u7684 HttpSession \u63a5\u53e3\u63d0\u4f9b\u4e86\u8ddf\u8e2a\u7528\u6237\u4f1a\u8bdd\u7684\u65b9\u6cd5\u3002\u4f8b\u5982，\u901a\u8fc7 session.invalidate() \u65b9\u6cd5\u53ef\u4ee5\u7acb\u5373\u4f7f\u4f1a\u8bdd\u65e0\u6548，\u800c session.setMaxInactiveInterval() \u65b9\u6cd5\u5219\u53ef\u4ee5\u8bbe\u7f6e\u4f1a\u8bdd\u7684\u6700\u5927\u975e\u6d3b\u52a8\u65f6\u95f4\u3002 <\/p>\n
\u5728\u4e86\u89e3\u4e86Servlet\u57fa\u7840\u548c\u6df1\u5165\u6280\u672f\u4e4b\u540e，\u5f00\u53d1\u8005\u53ef\u4ee5\u5145\u5206\u5229\u7528Servlet\u7684\u5f3a\u5927\u529f\u80fd\u6765\u6784\u5efa\u590d\u6742\u7684Web\u5e94\u7528，\u5b9e\u73b0\u4e1a\u52a1\u903b\u8f91\u4e0eHTTP\u5c42\u7684\u5b8c\u7f8e\u5bf9\u63a5\u3002\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u5c06\u63a2\u8ba8JSP\u6280\u672f\u53ca\u5176\u4e0eServlet\u7684\u5173\u7cfb，\u8fdb\u4e00\u6b65\u63d0\u5347Web\u5f00\u53d1\u80fd\u529b\u3002 <\/p>\n
JSP（Java Server Pages）\u548cServlet\u90fd\u662fJava\u6280\u672f\u4e2d\u7528\u4e8eWeb\u5f00\u53d1\u7684\u7ec4\u4ef6，\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u662f\u4e92\u8865\u800c\u4e0d\u662f\u7ade\u4e89\u3002Servlet\u662f\u4e00\u79cd\u7a0b\u5e8f，\u80fd\u591f\u5728\u670d\u52a1\u5668\u4e0a\u6267\u884cJava\u4ee3\u7801，\u5e76\u5c06\u751f\u6210\u7684HTML\u76f4\u63a5\u53d1\u9001\u5230\u5ba2\u6237\u7aef\u3002\u800cJSP\u5219\u662f\u4e00\u79cd\u9875\u9762\u6280\u672f，\u5141\u8bb8\u5f00\u53d1\u8005\u5c06Java\u4ee3\u7801\u5d4c\u5165\u5230HTML\u9875\u9762\u4e2d，\u4ece\u800c\u751f\u6210\u52a8\u6001\u5185\u5bb9\u3002 <\/p>\n
JSP\u9875\u9762\u5728\u7b2c\u4e00\u6b21\u88ab\u8bf7\u6c42\u65f6，\u4f1a\u88ab\u670d\u52a1\u5668\u8f6c\u6362\u6210Servlet，\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4e3aJSP\u7684\u7ffb\u8bd1\u3002\u751f\u6210\u7684Servlet\u8d1f\u8d23\u5904\u7406\u540e\u7eed\u7684\u8bf7\u6c42\u3002\u8fd9\u79cd\u673a\u5236\u4f7f\u5f97JSP\u6210\u4e3a\u4e00\u79cd\u66f4\u4e3a\u7b80\u4fbf\u7684\u5f00\u53d1\u65b9\u5f0f，\u5c24\u5176\u9002\u5408\u90a3\u4e9b\u9700\u8981\u5feb\u901f\u751f\u6210HTML\u7684\u573a\u666f\u3002\u4f46\u662f，\u7531\u4e8eJSP\u4f1a\u8f6c\u5316\u4e3aServlet\u8fd0\u884c，\u6240\u4ee5\u5b83\u7684\u6027\u80fd\u901a\u5e38\u4e0d\u5982\u76f4\u63a5\u7f16\u5199\u7684Servlet\u3002 <\/p>\n
JSP\u9875\u9762\u7684\u751f\u547d\u5468\u671f\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u9636\u6bb5： <\/p>\n
JSP\u5185\u7f6e\u5bf9\u8c61\u662fJSP\u89c4\u8303\u4e2d\u5b9a\u4e49\u7684\u4e00\u7ec4\u5bf9\u8c61，\u8fd9\u4e9b\u5bf9\u8c61\u5728JSP\u9875\u9762\u4e2d\u65e0\u9700\u58f0\u660e\u5373\u53ef\u76f4\u63a5\u4f7f\u7528\u3002\u4e3b\u8981\u5305\u62ec： request , response , session , application , out , config , pageContext , page , exception \u3002\u8fd9\u4e9b\u5bf9\u8c61\u63d0\u4f9b\u4e86\u4e0eWeb\u5bb9\u5668\u4ea4\u4e92\u7684\u673a\u5236，\u4f8b\u5982， request \u548c response \u7528\u4e8e\u5904\u7406HTTP\u8bf7\u6c42\u548c\u54cd\u5e94， session \u7528\u4e8e\u8ffd\u8e2a\u7528\u6237\u7684\u4f1a\u8bdd， application \u53ef\u4ee5\u7528\u6765\u4e0e\u6574\u4e2aWeb\u5e94\u7528\u5171\u4eab\u4fe1\u606f\u3002 <\/p>\n
\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50，\u5c55\u793a\u4e86\u5982\u4f55\u5728JSP\u9875\u9762\u4e2d\u4f7f\u7528\u5185\u7f6e\u5bf9\u8c61： <\/p>\n
<%@ page contentType="text\/html;charset=UTF-8" language="java" %>
\n<html>
\n<head>
\n <title>Sample JSP Page<\/title>
\n<\/head>
\n<body>
\n <h2>Hello, World!<\/h2>
\n <p>This is a sample JSP page using session:<\/p>
\n <%
\n \/\/ Check if session object is available
\n if (session.getAttribute("user") == null) {
\n \/\/ Create a new user object and put it in the session
\n session.setAttribute("user", "Guest");
\n }
\n %>
\n <p>Welcome, <%= session.getAttribute("user") %><\/p>
\n<\/body>
\n<\/html><\/p>\n
\u9664\u4e86\u5185\u7f6e\u5bf9\u8c61\u4e4b\u5916，JSP\u8fd8\u5141\u8bb8\u5f00\u53d1\u8005\u521b\u5efa\u81ea\u5b9a\u4e49\u6807\u7b7e\u5e93，\u8fd9\u53ef\u4ee5\u589e\u5f3a\u4ee3\u7801\u7684\u53ef\u91cd\u7528\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u81ea\u5b9a\u4e49\u6807\u7b7e\u5e93\u901a\u8fc7\u4f7f\u7528\u6807\u7b7e\u6587\u4ef6\u6216Java\u7c7b\u6765\u5b9e\u73b0\u3002\u4f7f\u7528 <taglib> \u6307\u4ee4\u5728JSP\u9875\u9762\u4e2d\u58f0\u660e\u6807\u7b7e\u5e93： <\/p>\n
<%@ taglib prefix="mytag" uri="http:\/\/www.example.com\/mytags" %>
\n<html>
\n<head>
\n <title>Custom Tag Example<\/title>
\n<\/head>
\n<body>
\n <mytag:mycustomtag attribute1="value1" attribute2="value2"\/>
\n<\/body>
\n<\/html><\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d， <mytag:mycustomtag> \u662f\u4e00\u4e2a\u81ea\u5b9a\u4e49\u6807\u7b7e，\u5176\u5b9a\u4e49\u5728\u6807\u7b7e\u5e93\u63cf\u8ff0\u7b26（TLD）\u6587\u4ef6\u4e2d，\u5e76\u88ab\u5305\u542b\u5728 http:\/\/www.example.com\/mytags \u547d\u540d\u7a7a\u95f4\u5185\u3002 <\/p>\n
\u4e3a\u4e86\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u81ea\u5b9a\u4e49\u6807\u7b7e，\u6211\u4eec\u9700\u8981\u7f16\u5199\u4e00\u4e2a\u6807\u7b7e\u5904\u7406\u5668\u7c7b： <\/p>\n
package com.example.tags;<\/p>\n
import javax.servlet.jsp.tagext.*;
\nimport javax.servlet.jsp.*;
\nimport java.io.*;<\/p>\n
public class MyCustomTag extends SimpleTagSupport {
\n private String attribute1;
\n private String attribute2;<\/p>\n
public void setAttribute1(String attribute1) {
\n this.attribute1 = attribute1;
\n }<\/p>\n
public void setAttribute2(String attribute2) {
\n this.attribute2 = attribute2;
\n }<\/p>\n
public void doTag() throws JspException, IOException {
\n \/\/ Logic to process the tag goes here
\n \/\/ Use the getJspContext() method to access implicit objects
\n JspContext context = getJspContext();
\n context.getOut().println("Custom Tag with attribute1: " + attribute1 + ", attribute2: " + attribute2);
\n }
\n}<\/p>\n
\u8be5\u7c7b\u7ee7\u627f\u81ea SimpleTagSupport ，\u5e76\u63d0\u4f9b\u4e86\u5c5e\u6027\u7684getter\u548csetter\u65b9\u6cd5，\u4ee5\u53ca doTag \u65b9\u6cd5\u6765\u5904\u7406\u6807\u7b7e\u903b\u8f91\u3002 <\/p>\n
\u6b64\u5916，\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2aTLD\u6587\u4ef6\u6765\u63cf\u8ff0\u6807\u7b7e\u5e93： <\/p>\n
<?xml version="1.0" encoding="UTF-8"?>
\n<taglib xmlns="http:\/\/java.sun.com\/xml\/ns\/j2ee"
\n xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance"
\n xsi:schemaLocation="http:\/\/java.sun.com\/xml\/ns\/j2ee http:\/\/java.sun.com\/xml\/ns\/j2ee\/web-jsptaglibrary_2_0.xsd"
\n version="2.0">
\n <tlib-version>1.0<\/tlib-version>
\n <short-name>My Tag Library<\/short-name>
\n <uri>http:\/\/www.example.com\/mytags<\/uri><\/p>\n
<tag>
\n <name>mycustomtag<\/name>
\n <tag-class>com.example.tags.MyCustomTag<\/tag-class>
\n <body-content>empty<\/body-content>
\n <attribute>
\n <name>attribute1<\/name>
\n <required>true<\/required>
\n <rtexprvalue>true<\/rtexprvalue>
\n <\/attribute>
\n <attribute>
\n <name>attribute2<\/name>
\n <required>true<\/required>
\n <rtexprvalue>true<\/rtexprvalue>
\n <\/attribute>
\n <\/tag>
\n<\/taglib><\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4，\u6211\u4eec\u53ef\u4ee5\u521b\u5efa\u548c\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684JSP\u6807\u7b7e，\u4ece\u800c\u5728Web\u5f00\u53d1\u4e2d\u5b9e\u73b0\u66f4\u9ad8\u7684\u62bd\u8c61\u548c\u4ee3\u7801\u590d\u7528\u3002 <\/p>\n
Expression Language (EL) \u662f\u4e00\u79cd\u5728Java EE\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5e7f\u6cdb\u4f7f\u7528\u7684\u3001\u7b80\u5316\u4e86\u7684\u6570\u636e\u8bbf\u95ee\u8bed\u8a00，\u7279\u522b\u662f\u5728JSP\u9875\u9762\u4e2d\u3002EL\u8868\u8fbe\u5f0f\u7684\u51fa\u73b0\u4e3b\u8981\u662f\u4e3a\u4e86\u7b80\u5316JSP\u9875\u9762\u4e2d\u7684Java\u4ee3\u7801，\u4f7f\u5f97\u6570\u636e\u8bbf\u95ee\u548c\u9875\u9762\u5185\u5bb9\u751f\u6210\u66f4\u52a0\u76f4\u89c2\u548c\u7b80\u6d01\u3002EL\u8868\u8fbe\u5f0f\u7684\u8bed\u6cd5\u5305\u62ec\u4e86\u53d8\u91cf\u3001\u5c5e\u6027\u548c\u64cd\u4f5c\u7b26，\u5b83\u53ef\u4ee5\u8bbf\u95eeJava\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5，\u540c\u65f6\u63d0\u4f9b\u4e86\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u548c\u903b\u8f91\u5224\u65ad\u7b49\u57fa\u672c\u529f\u80fd\u3002 <\/p>\n
EL\u8868\u8fbe\u5f0f\u7684\u57fa\u672c\u7ec4\u6210\u662f ${} ，\u5176\u4e2d\u53ef\u4ee5\u5305\u542b\u76f4\u63a5\u91cf（\u5982\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u7b49）\u3001\u53d8\u91cf\u3001\u5c5e\u6027\u3001\u6570\u7ec4\u6216\u96c6\u5408\u5143\u7d20\u4ee5\u53ca\u5404\u79cd\u64cd\u4f5c\u7b26\u3002\u4f8b\u5982，\u8981\u83b7\u53d6\u4e00\u4e2a\u540d\u4e3a user \u7684\u5bf9\u8c61\u7684 name \u5c5e\u6027，\u53ef\u4ee5\u4f7f\u7528\u8868\u8fbe\u5f0f ${user.name} \u3002 <\/p>\n
EL\u8868\u8fbe\u5f0f\u7684\u4f5c\u7528\u975e\u5e38\u5e7f\u6cdb，\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e： <\/p>\n
EL\u8868\u8fbe\u5f0f\u652f\u6301\u591a\u79cd\u64cd\u4f5c\u7b26，\u5305\u62ec\u7b97\u672f\u64cd\u4f5c\u7b26\u3001\u5173\u7cfb\u64cd\u4f5c\u7b26\u3001\u903b\u8f91\u64cd\u4f5c\u7b26\u548c\u6761\u4ef6\u64cd\u4f5c\u7b26\u7b49\u3002 <\/p>\n
\u5728\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u65f6，EL\u8868\u8fbe\u5f0f\u4f1a\u9075\u5faa\u4e00\u5957\u5185\u7f6e\u7684\u89c4\u5219\u6765\u5904\u7406\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u7684\u8f6c\u6362\u95ee\u9898\u3002\u6bd4\u5982，\u6570\u5b57\u548c\u5b57\u7b26\u4e32\u4e4b\u95f4\u7684\u6bd4\u8f83\u4f1a\u5c06\u6570\u5b57\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32，\u800c\u5e03\u5c14\u503c\u53ef\u4ee5\u81ea\u52a8\u8f6c\u6362\u4e3a\u6570\u5b57（ true \u8f6c\u6362\u4e3a 1 ， false \u8f6c\u6362\u4e3a 0 ）\u3002\u5f53\u6d89\u53ca\u5230\u5bf9\u8c61\u6bd4\u8f83\u65f6，EL\u8868\u8fbe\u5f0f\u4f1a\u8c03\u7528\u5bf9\u8c61\u7684 equals \u65b9\u6cd5\u3002 <\/p>\n
\/\/ \u793a\u4f8b\u4ee3\u7801\u5757，\u6f14\u793aEL\u8868\u8fbe\u5f0f\u64cd\u4f5c\u7b26\u548c\u7c7b\u578b\u8f6c\u6362
\n\/\/ \u5047\u8bbe\u6709\u4e00\u4e2a\u7528\u6237\u5bf9\u8c61user\u5b58\u50a8\u5728session\u4e2d，\u6211\u4eec\u60f3\u8981\u68c0\u67e5\u5176\u5e74\u9f84\u662f\u5426\u5927\u4e8e18
\nboolean over18 = sessionScope.getUser().getAge() > 18;
\nString over18El = "${sessionScope.user.age > 18}";<\/p>\n
\u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d，\u6211\u4eec\u4f7f\u7528\u4e86EL\u8868\u8fbe\u5f0f\u7684\u6bd4\u8f83\u64cd\u4f5c\u7b26 > \u6765\u6bd4\u8f83\u5e74\u9f84，\u5982\u679c age \u5927\u4e8e18，EL\u8868\u8fbe\u5f0f\u7684\u7ed3\u679c\u5c06\u662f true \u3002 <\/p>\n
EL\u8868\u8fbe\u5f0f\u5141\u8bb8\u6211\u4eec\u5728JSP\u9875\u9762\u4e2d\u4f7f\u7528\u9884\u5b9a\u4e49\u7684\u51fd\u6570，\u6216\u8005\u5728\u81ea\u5b9a\u4e49\u7684\u6807\u7b7e\u5e93\u4e2d\u5b9a\u4e49\u65b0\u7684\u51fd\u6570\u3002\u8fd9\u6837，\u6211\u4eec\u53ef\u4ee5\u6267\u884c\u66f4\u590d\u6742\u7684\u64cd\u4f5c\u548c\u6570\u636e\u5904\u7406\u3002 <\/p>\n
\u8981\u5728EL\u4e2d\u8c03\u7528\u4e00\u4e2a\u51fd\u6570，\u5176\u8bed\u6cd5\u4e3a ${namespace:methodName(\u53c2\u6570\u5217\u8868)} \u3002\u8fd9\u91cc\u7684 namespace \u662f\u51fd\u6570\u6240\u5728\u7684\u6807\u7b7e\u5e93\u7684URI， methodName \u662f\u51fd\u6570\u540d，\u800c\u53c2\u6570\u5217\u8868\u5219\u662f\u51fd\u6570\u6240\u9700\u8981\u7684\u53c2\u6570\u3002 <\/p>\n
\u4f8b\u5982，\u5047\u8bbe\u6709\u4e00\u4e2a\u81ea\u5b9a\u4e49\u51fd\u6570\u5e93\u5b9a\u4e49\u4e86\u4e00\u4e2a\u51fd\u6570 formatCurrency ，\u8be5\u51fd\u6570\u80fd\u591f\u5c06\u6570\u5b57\u683c\u5f0f\u5316\u4e3a\u8d27\u5e01\u683c\u5f0f\u7684\u5b57\u7b26\u4e32，\u90a3\u4e48\u5728EL\u8868\u8fbe\u5f0f\u4e2d\u53ef\u4ee5\u8fd9\u6837\u8c03\u7528\u5b83： <\/p>\n
\u91d1\u989d：${formatCurrency:formatCurrency(myBean.amount)}<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d， formatCurrency \u51fd\u6570\u5c5e\u4e8e\u67d0\u4e2a\u547d\u540d\u7a7a\u95f4（\u4f8b\u5982 myFunctions ）， myBean.amount \u662f\u6211\u4eec\u8981\u683c\u5f0f\u5316\u7684\u91d1\u989d\u3002 <\/p>\n
JavaServer Pages Standard Tag Library (JSTL) \u63d0\u4f9b\u4e86\u4e00\u5957\u6807\u51c6\u7684\u6807\u7b7e\u5e93，\u7528\u4e8e\u7b80\u5316JSP\u9875\u9762\u7684\u7f16\u5199\u3002EL\u8868\u8fbe\u5f0f\u548cJSTL\u6807\u7b7e\u5e93\u7684\u6574\u5408\u4f7f\u7528\u53ef\u4ee5\u8ba9\u9875\u9762\u66f4\u52a0\u7b80\u6d01\u6613\u8bfb，\u540c\u65f6\u51cf\u5c11\u4e86\u811a\u672c\u7f16\u5199\u7684\u9700\u6c42\u3002 <\/p>\n
JSTL\u6807\u7b7e\u5e93\u4e2d\u5305\u542b\u4e86\u8bf8\u5982\u6761\u4ef6\u5904\u7406\u3001\u5faa\u73af\u5904\u7406\u3001\u56fd\u9645\u5316\u3001\u6570\u636e\u5e93\u8bbf\u95ee\u7b49\u6807\u7b7e\u3002EL\u8868\u8fbe\u5f0f\u7ecf\u5e38\u88ab\u7528\u5728\u8fd9\u4e9b\u6807\u7b7e\u7684 var \u548c value \u5c5e\u6027\u4e2d，\u7528\u4e8e\u6307\u5b9a\u53d8\u91cf\u503c\u548c\u8868\u8fbe\u5f0f\u3002 <\/p>\n
\u4f8b\u5982，\u6211\u4eec\u53ef\u80fd\u4f7f\u7528 <c:forEach> \u6807\u7b7e\u6765\u904d\u5386\u4e00\u4e2a\u5bf9\u8c61\u96c6\u5408： <\/p>\n
<c:forEach items="${listOfItems}" var="item">
\n ${item.name}
\n<\/c:forEach><\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d， ${listOfItems} \u662f\u4e00\u4e2aEL\u8868\u8fbe\u5f0f，\u7528\u4e8e\u83b7\u53d6\u5b58\u50a8\u5728\u67d0\u4e2a\u4f5c\u7528\u57df\u4e2d\u7684\u5bf9\u8c61\u5217\u8868\u3002 <c:forEach> \u6807\u7b7e\u904d\u5386\u8fd9\u4e2a\u5217\u8868，\u800c ${item.name} \u7528\u4e8e\u5728\u5faa\u73af\u4f53\u5185\u663e\u793a\u6bcf\u4e2a\u5bf9\u8c61\u7684 name \u5c5e\u6027\u3002 <\/p>\n
\u901a\u8fc7\u6574\u5408\u4f7f\u7528EL\u548cJSTL，\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u52a0\u4e13\u6ce8\u4e8e\u4e1a\u52a1\u903b\u8f91\u7684\u5b9e\u73b0，\u800c\u5c06\u9875\u9762\u663e\u793a\u7684\u7ec6\u8282\u4ea4\u7ed9\u6807\u7b7e\u5e93\u53bb\u5904\u7406，\u4ece\u800c\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u53ef\u8bfb\u6027\u3002 <\/p>\n
\u5728Tomcat\u4e2d， server.xml \u914d\u7f6e\u6587\u4ef6\u626e\u6f14\u7740\u6781\u5176\u5173\u952e\u7684\u89d2\u8272，\u5b83\u8d1f\u8d23Tomcat\u7684\u6574\u4f53\u67b6\u6784\u914d\u7f6e，\u5305\u62ec\u670d\u52a1\u3001\u8fde\u63a5\u5668\u3001\u865a\u62df\u4e3b\u673a\u3001\u4e3b\u673a\u3001\u5f15\u64ce\u3001\u4f1a\u8bdd\u7ba1\u7406\u5668\u7b49\u3002\u6b63\u786e\u914d\u7f6e\u6b64\u6587\u4ef6\u80fd\u591f\u786e\u4fdd\u670d\u52a1\u5668\u6b63\u5e38\u8fd0\u884c，\u5e76\u8fdb\u884c\u6027\u80fd\u4f18\u5316\u3002 <\/p>\n
\u57fa\u672c\u7ed3\u6784： <\/p>\n
server.xml\u901a\u5e38\u4f4d\u4e8e $CATALINA_HOME\/conf\/ \u76ee\u5f55\u4e0b，\u5b83\u7684\u57fa\u672c\u7ed3\u6784\u5982\u4e0b： <\/p>\n
\u8be6\u7ec6\u914d\u7f6e\u9879： <\/p>\n
\u914d\u7f6e\u793a\u4f8b： <\/p>\n
<Server port="8005" shutdown="SHUTDOWN">
\n <Listener className="org.apache.catalina.startup.VersionLoggerListener" \/>
\n <Listener className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" \/>
\n <Listener className="org.apache.catalina.core.JreMemoryLeakPreventionListener" \/>
\n <Listener className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" \/>
\n <Listener className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" \/>
\n <GlobalNamingResources>
\n <Resource name="UserDatabase" auth="Container"
\n type="org.apache.catalina.UserDatabase"
\n description="User database that can be updated and saved"
\n factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
\n pathname="conf\/tomcat-users.xml" \/>
\n <\/GlobalNamingResources>
\n <Service name="Catalina">
\n <Connector port="8080" protocol="HTTP\/1.1"
\n connectionTimeout="20000"
\n redirectPort="8443" \/>
\n <Engine name="Catalina" defaultHost="localhost">
\n <Realm className="org.apache.catalina.realm.LockOutRealm">
\n <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
\n resourceName="UserDatabase"\/>
\n <\/Realm>
\n <Host name="localhost" appBase="webapps"
\n unpackWARs="true" autoDeploy="true">
\n <Valve className="org.apache.catalina.valves.RemoteIpValve"
\n internalProxies="192\\\\.168\\\\.0\\\\.10|192\\\\.168\\\\.0\\\\.11"
\n remoteIpHeader="x-forwarded-for"
\n proxiesHeader="x-forwarded-by"
\n protocolHeader="x-forwarded-proto"\/>
\n <\/Host>
\n <\/Engine>
\n <\/Service>
\n<\/Server><\/p>\n
\u53c2\u6570\u8bf4\u660e\u548c\u914d\u7f6e\u903b\u8f91： <\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u914d\u7f6e，\u60a8\u53ef\u4ee5\u6784\u5efa\u4e00\u4e2a\u57fa\u7840\u7684Tomcat\u670d\u52a1\u5668\u5b9e\u4f8b，\u4f46\u57fa\u4e8e\u5b9e\u9645\u9700\u6c42，\u901a\u5e38\u9700\u8981\u8fdb\u4e00\u6b65\u5b9a\u5236\u5316\u914d\u7f6e\u3002 <\/p>\n
context.xml \u6587\u4ef6\u7528\u4e8e\u5b9a\u4e49\u4e0e\u7279\u5b9aweb\u5e94\u7528\u7a0b\u5e8f\u76f8\u5173\u8054\u7684\u914d\u7f6e\u4fe1\u606f\u3002\u5b83\u4f4d\u4e8e\u6bcf\u4e2aweb\u5e94\u7528\u7684 WEB-INF\/ \u76ee\u5f55\u4e0b，\u56e0\u6b64\u6bcf\u4e2a\u5e94\u7528\u53ef\u4ee5\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u914d\u7f6e\u3002\u914d\u7f6e\u9879\u53ef\u4ee5\u8986\u76d6\u6216\u6269\u5c55\u5728\u5168\u5c40\u914d\u7f6e\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u8bbe\u7f6e\u3002 <\/p>\n
\u6838\u5fc3\u914d\u7f6e\u9879： <\/p>\n
\u914d\u7f6e\u793a\u4f8b： <\/p>\n
<Context docBase="mywebapp" path="\/myapp" reloadable="true" cookies="true">
\n <Resource name="jdbc\/mydb" auth="Container"
\n type="javax.sql.DataSource" driverClassName="com.mysql.jdbc.Driver"
\n url="jdbc:mysql:\/\/localhost:3306\/mydb"
\n username="dbuser" password="dbpass" maxActive="20" maxIdle="10"
\n maxWait="-1"\/>
\n<\/Context><\/p>\n
\u53c2\u6570\u8bf4\u660e\u548c\u914d\u7f6e\u903b\u8f91： <\/p>\n
\u4e0a\u8ff0\u914d\u7f6e\u9879\u5141\u8bb8\u60a8\u5728 context.xml \u4e2d\u81ea\u5b9a\u4e49\u6bcf\u4e2aweb\u5e94\u7528\u7684\u7279\u5b9a\u8fd0\u884c\u73af\u5883，\u4f8b\u5982\u6570\u636e\u5e93\u8fde\u63a5\u53c2\u6570，\u4ee5\u53ca\u5176\u4ed6\u4efb\u4f55\u9700\u8981\u7684\u8d44\u6e90\u3002 <\/p>\n
Tomcat\u670d\u52a1\u5668\u7684\u76ee\u5f55\u7ed3\u6784\u975e\u5e38\u6709\u5e8f，\u6bcf\u4e00\u4e2a\u76ee\u5f55\u90fd\u627f\u8f7d\u4e86\u7279\u5b9a\u7684\u529f\u80fd\u3002\u4e86\u89e3Tomcat\u7684\u76ee\u5f55\u7ed3\u6784\u5bf9\u4e8e\u6709\u6548\u7ba1\u7406\u548c\u7ef4\u62a4\u670d\u52a1\u5668\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n
\u4e3b\u8981\u76ee\u5f55： <\/p>\n
\u76ee\u5f55\u5e03\u5c40\u8be6\u7ec6\u63cf\u8ff0： <\/p>\n
\u914d\u7f6eTomcat\u7684\u73af\u5883\u53d8\u91cf\u548c\u7c7b\u52a0\u8f7d\u5668，\u53ef\u4ee5\u8ba9\u60a8\u66f4\u6709\u6548\u5730\u7ba1\u7406\u5e94\u7528\u7684\u4f9d\u8d56\u548c\u5e93\u6587\u4ef6，\u4e5f\u53ef\u4ee5\u89e3\u51b3\u7248\u672c\u51b2\u7a81\u548c\u7c7b\u8def\u5f84\u95ee\u9898\u3002 <\/p>\n
\u73af\u5883\u53d8\u91cf\u8bbe\u7f6e： <\/p>\n
\u7c7b\u52a0\u8f7d\u5668\u914d\u7f6e： <\/p>\n
Tomcat\u63d0\u4f9b\u4e86\u4e00\u4e2a\u53ef\u9ad8\u5ea6\u5b9a\u5236\u7684\u7c7b\u52a0\u8f7d\u5668\u67b6\u6784，\u5141\u8bb8\u60a8\u901a\u8fc7\u4fee\u6539 context.xml \u6216 catalina.properties \u6587\u4ef6\u6765\u6539\u53d8\u7c7b\u52a0\u8f7d\u884c\u4e3a\u3002 <\/p>\n
\u914d\u7f6e\u793a\u4f8b： <\/p>\n
<Context>
\n <Loader className="org.apache.catalina.loader.VirtualWebappLoader"
\n delegate="true">
\n <Loader delegate="false" virtualClasspath="\/path\/to\/custom\/lib" \/>
\n <\/Loader>
\n<\/Context><\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d， VirtualWebappLoader \u5141\u8bb8\u4e3a\u6bcf\u4e2aweb\u5e94\u7528\u6307\u5b9a\u81ea\u5b9a\u4e49\u7684\u7c7b\u8def\u5f84，\u4ece\u800c\u5141\u8bb8\u5728\u4e0d\u66f4\u6539\u5168\u5c40lib\u76ee\u5f55\u7684\u60c5\u51b5\u4e0b，\u4e3a\u7279\u5b9a\u5e94\u7528\u63d0\u4f9b\u5b9a\u5236\u5316\u7684\u5e93\u3002 <\/p>\n
\u901a\u8fc7\u4e0a\u8ff0\u6b65\u9aa4，\u60a8\u53ef\u4ee5\u5728Tomcat\u4e2d\u8bbe\u7f6e\u548c\u914d\u7f6e\u73af\u5883\u53d8\u91cf\u548c\u7c7b\u52a0\u8f7d\u5668，\u4ee5\u6ee1\u8db3\u5e94\u7528\u7a0b\u5e8f\u7684\u9700\u6c42\u3002 <\/p>\n
\u5728\u672c\u7ae0\u8282\u4e2d，\u6211\u4eec\u5c06\u6df1\u5165\u4e86\u89e3Apache Tomcat\u4e2d\u7684\u5e94\u7528\u7a0b\u5e8f\u90e8\u7f72\u6d41\u7a0b\u3002\u5bf9\u4e8e\u4efb\u4f55Web\u5e94\u7528\u7a0b\u5e8f，\u90e8\u7f72\u90fd\u662f\u5176\u751f\u547d\u5468\u671f\u4e2d\u7684\u4e00\u4e2a\u5173\u952e\u9636\u6bb5\u3002\u65e0\u8bba\u662f\u5f00\u53d1\u3001\u6d4b\u8bd5\u8fd8\u662f\u751f\u4ea7\u73af\u5883，\u6709\u6548\u5730\u90e8\u7f72\u5e94\u7528\u7a0b\u5e8f\u662f\u4fdd\u8bc1\u670d\u52a1\u53ef\u7528\u6027\u548c\u6027\u80fd\u7684\u524d\u63d0\u3002\u6211\u4eec\u5c06\u8be6\u7ec6\u63a2\u8ba8\u4ece\u6253\u5305\u5230\u90e8\u7f72\u4ee5\u53ca\u6700\u7ec8\u53d1\u5e03\u5e94\u7528\u7a0b\u5e8f\u6240\u6d89\u53ca\u7684\u6bcf\u4e00\u6b65\u3002 <\/p>\n
\u5728\u5b9e\u9645\u90e8\u7f72\u4e4b\u524d，\u6709\u4e24\u9879\u5173\u952e\u4efb\u52a1\u9700\u8981\u5b8c\u6210：\u5e94\u7528\u7a0b\u5e8f\u7684\u6253\u5305\u4e0e\u9a8c\u8bc1，\u4ee5\u53ca\u90e8\u7f72\u63cf\u8ff0\u7b26\u7684\u7f16\u5199\u3002\u8fd9\u4e24\u4e2a\u6b65\u9aa4\u662f\u786e\u4fdd\u5e94\u7528\u7a0b\u5e8f\u6b63\u786e\u8fd0\u884c\u7684\u57fa\u7840\u3002 <\/p>\n
\u9996\u5148，\u4efb\u4f55Web\u5e94\u7528\u7a0b\u5e8f\u5728\u90e8\u7f72\u524d\u90fd\u9700\u8981\u88ab\u6253\u5305\u6210WAR（Web Archive）\u6587\u4ef6\u3002WAR\u6587\u4ef6\u662f\u4e00\u79cd\u6807\u51c6\u7684J2EE\u538b\u7f29\u683c\u5f0f，\u5b83\u5c06\u5e94\u7528\u7a0b\u5e8f\u7684\u6240\u6709\u5fc5\u8981\u6587\u4ef6\u5c01\u88c5\u5230\u4e00\u4e2a\u538b\u7f29\u5305\u5185，\u4fbf\u4e8e\u90e8\u7f72\u548c\u5206\u53d1\u3002 <\/p>\n
shell jar cf MyApplication.war WEB-INF\/ <\/p>\n
shell jar tf MyApplication.war <\/p>\n
\u90e8\u7f72\u63cf\u8ff0\u7b26（ web.xml \u6587\u4ef6）\u662f\u6574\u4e2a\u90e8\u7f72\u8fc7\u7a0b\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u90e8\u5206\u3002\u5b83\u544a\u8bc9Servlet\u5bb9\u5668\u5982\u4f55\u914d\u7f6e\u548c\u521d\u59cb\u5316Web\u5e94\u7528\u7a0b\u5e8f\u3002 <\/p>\n
\u5b8c\u6210\u51c6\u5907\u5de5\u4f5c\u540e，\u6211\u4eec\u6765\u5230\u4e86\u90e8\u7f72\u4e0e\u53d1\u5e03\u9636\u6bb5\u3002\u5e94\u7528\u7a0b\u5e8f\u9700\u8981\u88ab\u5b89\u88c5\u5230Tomcat\u670d\u52a1\u5668\u4e0a，\u5e76\u4e14\u901a\u8fc7\u9002\u5f53\u7684\u914d\u7f6e\u4f7f\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u88ab\u5916\u90e8\u8bbf\u95ee\u3002 <\/p>\n
\u90e8\u7f72WAR\u5305\u5230Tomcat\u670d\u52a1\u5668\u6709\u51e0\u79cd\u65b9\u6cd5，\u4f46\u6700\u5e38\u89c1\u7684\u662f\u76f4\u63a5\u5c06WAR\u6587\u4ef6\u590d\u5236\u5230 webapps \u76ee\u5f55\u4e0b\u3002 <\/p>\n
\u90e8\u7f72\u5b8c\u6210\u540e，\u5e94\u7528\u7a0b\u5e8f\u901a\u5e38\u4f1a\u81ea\u52a8\u542f\u52a8\u3002\u5982\u679c\u9700\u8981\u624b\u52a8\u542f\u52a8\u6216\u91cd\u542f\u5e94\u7528\u7a0b\u5e8f，\u53ef\u4ee5\u901a\u8fc7Tomcat\u7684\u7ba1\u7406\u754c\u9762\u6216\u547d\u4ee4\u884c\u5de5\u5177\u6765\u64cd\u4f5c\u3002 <\/p>\n
\u5e94\u7528\u7a0b\u5e8f\u90e8\u7f72\u5b8c\u6210\u540e，\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95ee http:\/\/localhost:8080\/MyApplication （\u5176\u4e2d MyApplication \u662fWAR\u6587\u4ef6\u7684\u540d\u79f0）\u5373\u53ef\u67e5\u770b\u5e94\u7528\u7a0b\u5e8f\u662f\u5426\u6b63\u5e38\u8fd0\u884c\u3002 <\/p>\n
\u5b8c\u6210\u4ee5\u4e0a\u6b65\u9aa4\u540e，\u5e94\u7528\u7a0b\u5e8f\u5c31\u5df2\u7ecf\u6210\u529f\u90e8\u7f72\u5e76\u5f00\u59cb\u63d0\u4f9b\u670d\u52a1\u4e86\u3002\u5728\u672c\u7ae0\u4e2d，\u6211\u4eec\u8be6\u7ec6\u4ecb\u7ecd\u4e86\u5e94\u7528\u7a0b\u5e8f\u90e8\u7f72\u7684\u6574\u4e2a\u6d41\u7a0b，\u4ece\u51c6\u5907\u3001\u6253\u5305\u5230\u90e8\u7f72\u53ca\u8bbf\u95ee\u3002\u5728\u63a5\u4e0b\u6765\u7684\u7ae0\u8282\u4e2d，\u6211\u4eec\u5c06\u63a2\u8ba8\u5982\u4f55\u8fdb\u884c\u5b89\u5168\u7ba1\u7406\u4ee5\u53ca\u5982\u4f55\u4f18\u5316Tomcat\u670d\u52a1\u5668\u7684\u6027\u80fd\u3002 <\/p>\n
\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p>\n
\u7b80\u4ecb：Apache Tomcat 8.5.49\u662f\u5f00\u6e90Java Servlet\u5bb9\u5668，\u9075\u5faaJava EE\u89c4\u8303，\u9002\u7528\u4e8e\u5f00\u53d1\u548c\u90e8\u7f72Java Web\u5e94\u7528\u3002\u672c\u7248\u672c\u7279\u4e3a\u4f18\u5316\u800c\u8bbe\u8ba1，\u65e0\u591a\u4f59\u63d2\u4ef6\u6216\u914d\u7f6e，\u63d0\u4f9b\u7a33\u5b9a\u7684\u57fa\u7840\u73af\u5883\u3002\u5b83\u652f\u6301\u5173\u952eJava Web\u7ec4\u4ef6\u5982Servlet 3.1, JSP 2.3\u548cEL 3.0，\u5e76\u5177\u6709\u6e05\u6670\u7684\u914d\u7f6e\u6587\u4ef6\u3001\u6807\u51c6\u76ee\u5f55\u7ed3\u6784\u548c\u5b89\u5168\u673a\u5236\u3002\u638c\u63e1\u90e8\u7f72\u3001\u6027\u80fd\u4f18\u5316\u548c\u6545\u969c\u6392\u67e5\u6280\u5de7\u5bf9\u4e8eJava Web\u5f00\u53d1\u81f3\u5173\u91cd\u8981\u3002 <\/p>\n
\u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90，\u70b9\u51fb\u83b7\u53d6 <\/p><\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb745\u6b21\uff0c\u70b9\u8d5e10\u6b21\uff0c\u6536\u85cf11\u6b21\u3002Apache Tomcat \u662f\u4e00\u4e2a\u5f00\u6e90\u7684Servlet\u5bb9\u5668\uff0c\u7528\u4e8e\u8fd0\u884cJava Servlet\u548cJavaServer Pages (JSP) Web\u5e94\u7528\u7a0b\u5e8f\u3002\u5b83\u662f Jakarta Servlet \u548c Jakarta Server Pages \u89c4\u8303\u7684\u5b98\u65b9\u53c2\u8003\u5b9e\u73b0\u7684\u4e00\u90e8\u5206\uff0c\u56e0\u6b64\u7ecf\u5e38\u5728Web\u5e94\u7528\u670d\u52a1\u5668\u7684\u751f\u6001\u7cfb\u7edf\u4e2d\u626e\u6f14\u91cd\u8981\u89d2\u8272\u3002Tomcat\u4f5c\u4e3aWeb\u670d\u52a1\u5668\uff0c\u627f\u62c5\u7740\u5ba2\u6237\u7aef\u8bf7\u6c42\u548c\u670d\u52a1\u5668\u54cd\u5e94\u7684\u5904\u7406\u5de5\u4f5c\u3002\u5b83\u63d0\u4f9b\u4e86\u4e00\u5957\u7b80\u5355\u4f46\u529f\u80fd\u5f3a\u5927\u7684API\u6765\u5904\u7406HTTP\u8bf7\u6c42\uff0c\u5e76\u80fd\u591f\u4ee5\u7ebf\u7a0b\u7684\u5f62\u5f0f\u6267\u884cJava\u4ee3\u7801\uff0c\u4ee5\u4fbf\u5904\u7406\u66f4\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n","protected":false},"author":2,"featured_media":43957,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-43959","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server"],"yoast_head":"\n