1、http://www.struts.apche.com 下载 Full Distribution: struts-2.0.14-all.zip
2、新建webProject:struts2
导入struts2需要的jar(下载的包中):commons-logging-1.0.4.jar、ognl-2.6.11.jar、freemarker-2.3.8.jar、struts2-core-2.0.14.jar、xwork-2.0.7.jar
3、Login.jsp如下:
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"
isELIgnored="false"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
 <head>
 </head>
 <body>
  <center>
   <form action="login.action" method="post">
    用户名:
    <input type="text" name="username" />
    <br>
    密码:
    <input type="password" name="password" />
    <br>
    <input type="submit" value="提交" />
    <br>
   </form>
  </center>
 </body>
</html>
4、web.xml中修改如下：
 <?xml version="1.0" encoding="UTF-8"?>
  <web-app version="2.5"
  xmlns="http://java.sun.com/xml/ns/javaee"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
  http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
   <filter>
   <filter-name>struts2</filter-name>
   <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
   </filter>
  <filter-mapping>
   <filter-name>struts2</filter-name>
   <url-pattern>/*</url-pattern>
  </filter-mapping>
 </web-app>
5.LoginAction如下:
 package com.test.action;
 public class LoginAction
 {
  private String username;
  private String password;
  public String getUsername()
  {
   return username;
  }
  public void setUsername(String username)
  {
   this.username = username;
  }
  public String getPassword()
  {
   return password;
  }
  public void setPassword(String password)
  {
   this.password = password;
  }
  
  public String execute()throws Exception
  {
   
   
   return "success";
  }
 }
5、result.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"
isELIgnored="false"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
 <head>
 </head>
 <body>
  <center>
   <br>******************************<br>
   用户名：${requestScope.username}<br>
   密码:${requestScope.password }<br>
   
   *********************************<br>
   用户名：<%=(String)request.getAttribute("username") %><br>
   密码:<%=(String)request.getAttribute("password") %><br>
   
   **********************************************<br>
   用户名：${username}<br>
   密码:${password }<br>
   **********************************************<br>
   
  </center>
 </body>
</html>
6、在src下建struts.xml,如下：
<?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="struts2" extends="struts-default">
  <action name="login" class="com.test.action.LoginAction">
   <result name="success" type="dispatcher">/result.jsp</result>
  </action> 
 </package>
</struts>
7、http://localhost:8080/struts2/Login.jsp
 输入用户名、密码提交 成功跳转