掌握操作业务控制器中不同属性时参数的写法

loginaction.java

package com.dh.action;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.dh.entity.User;

public class LoginAction {
    private String userName;
    private String password;
    
    private User user;
    
    private List listUsers = new ArrayList();
    
    private Map mapUsers = new HashMap();
    
	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() {
    	user= new User("xiaowang",20);
    	User u1 = new User("xiaoli",19);
    	User u2 = new User("xiaoming",18);
    	listUsers.add(u1);
    	listUsers.add(u2);
    	mapUsers.put("map1", u1);
    	mapUsers.put("map2", u2);
    	//listUsers = UserService.query();
    	return "success";
    }
	public User getUser() {
		return user;
	}
	public void setUser(User user) {
		this.user = user;
	}
	public List getListUsers() {
		return listUsers;
	}
	public void setListUsers(List listUsers) {
		this.listUsers = listUsers;
	}
    
	public String test() {
		return "aaa";
	}
	public Map getMapUsers() {
		return mapUsers;
	}
	public void setMapUsers(Map mapUsers) {
		this.mapUsers = mapUsers;
	}
    
	
}

user.java

package com.dh.entity;

public class User {
   private String name;
   private int age;
public String getName() {
	return name;
}
public void setName(String name) {
	this.name = name;
}
public int getAge() {
	return age;
}
public void setAge(int age) {
	this.age = age;
}
   
   public User(String name, int age) {
	   this.name = name;
	   this.age = age;
   }
@Override
public String toString() {
	// TODO Auto-generated method stub
	return "user: "+name;
}
   
   
}

success.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>








   用户名：

  密     码：

 user对象name: 

 user对象age: 

 listUsers集合中的数据：

 listUsers集合中的数据：

 调用action中的方法：  

  调用maplists键的集合：  

 调用maplists值的集合：  

 使用iterator进行集合遍历：
 
    name:
    age:
    
  

 使用iterator进行map的遍历：

   key:
   value值中的name:
   value值中的age:

   

单独运行这两个界面

传入参数以后