struts2 的3种驱动 第一种方式
第一种是：将所有的属性都写在action中：
在action中 我只写了一个属性username :
action 中的内容：
package com.luhua.test;
public class UserAction {
//用户名
private String username ;
public void setUsername(String username) {
this.username = username;
}
public String execute(){
return "success" ;
}
public String user(){
System.out.println(username); //这里接收的是页面上传过来的值
return "success" ;
}
}
在struts.xml中的配置是：
<?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>
<constant name="struts.devMode" value="true" />
<package name="default" namespace="/" extends="struts-default">
<action name="welcome" method="execute">
<result name="success">index.jsp</result>
</action>
<action name="user" method="user">
<result name="success">success.jsp</result>
</action>
</package>
</struts>
jsp页面有两张，index.jsp 和 success.jsp 从index.jsp中输入用户名； 在action中打印出来
index.jsp:
<%@ 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%>">
</head>
<body>
<form action="user" method="post">
username:<input type="text" name="username"/>
<input type="submit"/>
</form>
</body>
</html>
success.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
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%>">
</head>
<body>
user
</body>
</html>