package com.sdlc.action;

 public class HelloWorldAction {

     private String msg;

     public void setMessage(String message) {

         this.msg = message;

     }

     public String getMessage() {

         return msg;

     }

     public String execute()

     {

         this.msg="电子商务";

         //执行该方法之后返回至名为success的视图

         return "success";

     }

     public static void main(String[] args) {

     }

 }

HelloWorldAction.java

 <?xml version="1.0" encoding="UTF-8"?>

 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">

   <display-name>Struts2</display-name>

  <filter>

         <filter-name>struts2</filter-name>

         <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>

     </filter>

     <filter-mapping>

         <filter-name>struts2</filter-name>

         <url-pattern>/*</url-pattern>

     </filter-mapping>

         <welcome-file-list>

         <welcome-file>index.jsp</welcome-file>

     </welcome-file-list>

 </web-app>

web.xml

 <?xml version="1.0" encoding="UTF-8" ?>

 <!DOCTYPE struts PUBLIC

     "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"

     "http://struts.apache.org/dtds/struts-2.0.dtd">

 <struts>

    <package name="sdlc" namespace="/test" extends="struts-default">

         <action name="helloworld" class="com.sdlc.action.HelloWorldAction" method="execute" >

              <result name="success">/WEB-INF/page/hello.jsp</result>

         </action>

     </package>

 </struts>

struts.xml

 <%@ page language="java" contentType="text/html; charset=UTF-8"

     pageEncoding="UTF-8"%>

 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

 <html>

 <head>

 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

 <title>Insert title here</title>

 </head>

 <body>

    ${message}

 </body>

 </html>

hello.jsp

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