public static void main(String[] args) {		/*普通对象与json相互转换*/		User u = new User("miquan", "000");				//{"@type":"testjava.User","password":"000","userName":"miquan"}		String jsonUser = JSON.toJSONString(u, SerializerFeature.WriteClassName);		System.out.println(jsonUser);				User user = JSON.parseObject(jsonUser, User.class);				/*带集合的对象与json字符串相互转换*/		List
     
       list = new ArrayList
      
       ();		list.add("miquan");		list.add("qiantu");		Download d = new Download();		d.setEmojiSetName("guoqiao");		d.setEmojiPathList(list);				//{"@type":"testjava.Download","emojiPathList":["miquan","qiantu"],"emojiSetName":"guoqiao"}		String jsonList = JSON.toJSONString(d, SerializerFeature.WriteClassName);		System.out.println(jsonList);				Download download = JSON.parseObject(jsonList, Download.class);				/*json与List对象相互转换*/				List
       
         listUser = new ArrayList
        
         ();		listUser.add(new User("liangguoqiao", "iloveyou"));		listUser.add(new User("liangguoqiao", "iloveyou"));				//[{"password":"iloveyou","userName":"liangguoqiao"},		//{"password":"iloveyou","userName":"liangguoqiao"}]		String json = JSON.toJSONString(listUser);		System.out.println(json);				List
         
           users = JSON.parseArray(json, User.class);	}
         
        
       
      
     

注意：1、

    2、User和Download等实体类必须加入空的构造函数

            3、转为JSON字符串的时候加上SerializerFeature.WriteClassName

            4、坐等下班。。。

package com.yangshidesign.weixinface.bean;import java.util.List;public class Download {	private String emojiSetName;	/** 表情图片名字 */	private List
     
       emojiNameList;		public Download() {		super();	}	public String getEmojiSetName() {		return emojiSetName;	}	public void setEmojiSetName(String emojiSetName) {		this.emojiSetName = emojiSetName;	}	public List
      
        getEmojiNameList() {		return emojiNameList;	}	public void setEmojiNameList(List
       
         emojiNameList) {		this.emojiNameList = emojiNameList;	}}
       
      
     

package testjava;public class User {	private String userName;	private String password;		public User() {		super();	}	public User(String userName, String password) {		super();		this.userName = userName;		this.password = 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;	}}