Struts2,get/set 自动获取/设置数据ActionSupport 类

主页：http://struts.apache.org/
在用户请求和模块化处理方面以及页面的展现这块，Struts2 发挥了强大的作用；
相对于传统的Jsp+Servlet 模式，Struts2 更适合企业级团队开发，方便系统的维护；

Struts2 HelloWorld

<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>

　Action 设置数据

第一种方式：属性驱动(FieldDriven)

A、基本数据类型属性

B、JavaBean 类型属性

第二种方式：模型驱动(ModelDriven)

　　基本数据类型属性

<%@ 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>登录</title>
</head>
<body>
 
<form action="login" method="post">
用户名：<input type="text" name="userName" id="userName"/><br><br>
密码：<input type="password" name="password" id="password"/><br><br>
<input type="submit" value="登录" /><input type="reset" value="重置" />
</form>
 
</body>
</html>

<struts>
    <package name="welcomeToZiBo" extends="struts-default">
        <action name="login" class="com.zhiqi.action.UserAction">
            <result name="success">success.jsp</result>
            <result name="error">error.jsp</result>
        </action>
    </package>
</struts>

package com.zhiqi.action;
 
import com.opensymphony.xwork2.ActionSupport;
import com.zhiqi.model.User;
import com.zhiqi.service.UserService;
 
public class UserAction extends ActionSupport {
 
    /**
     *
     */
    private static final long serialVersionUID = 1L;
    private UserService userService=new UserService();
    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;
    }
 
    @Override
    public String execute() throws Exception {
        System.out.println("开始");
        User user=new User();
        user.setUserName(userName);
        user.setPassword(password);
         
        if(userService.login(user)){
            return SUCCESS;
        }else{
            return ERROR;
        }
    }
 
}

package com.zhiqi.service;
 
import com.zhiqi.model.User;
 
public class UserService {
    public boolean login(User user){
        if("web".equals(user.getUserName())&& "123".equals(user.getPassword())){
            return true;
        }else{
            return false;
        }
    }
}

　　JavaBean 类型属性

<form action="login" method="post">
用户名：<input type="text" name="user.userName" id="userName"/><br><br>
密码：<input type="password" name="user.password" id="password"/><br><br>
<input type="submit" value="登录" /><input type="reset" value="重置" />
</form>

<action name="login" class="com.zhiqi.action.UserAction2">
    <result name="success">success.jsp</result>
    <result name="error">error.jsp</result>
</action>

package com.zhiqi.action;
 
import com.opensymphony.xwork2.ActionSupport;
import com.zhiqi.model.User;
import com.zhiqi.service.UserService;
 
public class UserAction2 extends ActionSupport {
 
    /**
     *
     */
    private static final long serialVersionUID = 1L;
    private UserService userService=new UserService();
    private User user;
    public User getUser() {
        return user;
    }
    public void setUser(User user) {
        this.user = user;
    }
    @Override
    public String execute() throws Exception {
        if(userService.login(user)){
            return SUCCESS;
        }else{
            return ERROR;
        }
    }
     
}

　　模型驱动(ModelDriven)

<form action="login" method="post">
    用户名：<input type="text" name="userName"/>
    密码：<input type="text" name="password"/>
    <input type="submit" value="登录"/>
</form>

<action name="login" class="com.zhiqi.action.UserAction3">
    <result name="success">success.jsp</result>
    <result name="error">error.jsp</result>
</action>

package com.zhiqi.action;
 
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.ModelDriven;
import com.zhiqi.model.User;
import com.zhiqi.service.UserService;
 
public class UserAction3 extends ActionSupport implements ModelDriven<User>{
 
    /**
     *
     */
    private static final long serialVersionUID = 1L;
    private UserService userService=new UserService();
    private User user=new User();
    @Override
    public String execute() throws Exception {
        if(userService.login(user)){
            return SUCCESS;
        }else{
            return ERROR;
        }
    }
    @Override
    public User getModel() {
        // TODO Auto-generated method stub
        return user;
    }
     
}

struts.xml 配置

一，pageckage 配置
name 包名
extends 继承
namespace 包命名空间
abstract 抽象包
二，action 配置
name action 名
class 处理类
method 方法

三，分模块配置方法
<include file="" ></include>