(1)struts2--login.jsp(1)

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result.jsp

LoginAction

Getters()

Setters()

execute()

result.jsp

LoginAction

Getters()

Setters()

execute()

我学习的第一个STRUTS2程序代码:

result.jsp

LoginAction

Getters()

Setters()

execute()

<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
    <base href="<%=basePath%>">

    <title>My JSP 'MyJsp.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">

</head>

<body>
    <form action="login.action" method="post">
     username:<input type="text" name="username"><br>
     password:<input type="password" name="password"><br>
     <input type="submit" value="submit" />
     </form>
</body>
</html>

result.jsp---------------

</head>

<body>
username:${requestScope.username}<br>
password:${ruquestScope.password}<br>
</body>
</html>

web.xml-----------------------------

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.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>

struts.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="struts2" extends="struts-default">

      <action name="login" class="com.test.action.LoginAction">
        <result name="success">/result.jsp</result>
        <result name="default">/default.jsp</result>
      </action>

   </package>

</struts>

loginAction.java(pojo)-----------------

package com.test.action;
//独立POJP不依赖任何文件
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;
  }
  //自动执行
  public String execute()throws Exception {
   return "success";
   //
  }
}