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熟悉struts2MVC模式之用模型驱动传参的例子

2012-12-09 22:53 267 查看

web.xml配置文件：

<?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">

<welcome-file-list>

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

</welcome-file-list>

<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></web-app>

model层（pojo普通java类）：

package com.bjsxt.model;

public class Stu {

private int id;

private String name;

private String pwd;

public int getId() {

return id;

}

public void setId(int id) {

this.id = id;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getPwd() {

return pwd;

}

public void setPwd(String pwd) {

this.pwd = pwd;

}

}

control控制层（action类）：

package com.bjsxt.action;

import com.bjsxt.model.Stu;

import com.opensymphony.xwork2.ActionSupport;

import com.opensymphony.xwork2.ModelDriven;

public class StuAction extends ActionSupport implements ModelDriven<Stu> {

public Stu getStu() {

return stu;

}

public void setStu(Stu stu) {

this.stu = stu;

}

private Stu stu = new Stu();

@Override

public Stu getModel() {

return stu;

}

@Override

public String execute() throws Exception {

System.out.println(stu.getId());

System.out.println(stu.getName());

System.out.println(stu.getPwd());

return "stu";

}

}

显示层（view）登陆页面：

<%@ 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%>">

<title>My JSP 'stulogin.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>

<h3 align="center">stu_info</h3>

<form action="StuAction" method="post">

ID号:<input type="text" name="id"><br>

姓名:<input type="text" name="name"><br>

密码:<input type="password" name="pwd"><br>

<input type="submit" value="提交">

<input type="reset" value="重置">

</form>

</body>

</html>

显示层（view）输出页面：

<%@ 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%>">

<title>My JSP 'stu.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>

<h3 align="center">stu_collect</h3>

<p align="center">

ID号:<%=request.getParameter("id") %><br>

姓名:<%=request.getParameter("name") %><br>

密码:<%=request.getParameter("pwd") %><br>

</p>

</body>

</html>

配置文件struts.xml

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

<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN"

"http://struts.apache.org/dtds/struts-2.1.dtd">

<struts>

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

<action name="User" class="com.bjsxt.action.User">

<result name="user">user.jsp</result>

</action>

<action name="StuAction" class="com.bjsxt.action.StuAction">

<result name="stu">stu.jsp</result>

</action>

</package>

<constant name="struts.devMode" value="true"></constant>

<constant name="struts.i18n.encoding" value="UTF-8"></constant>

</struts>

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