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<String> list = new ArrayList<String>();
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<User> listUser = new ArrayList<User>();
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<User> users = JSON.parseArray(json, User.class);
}注意：1、下载地址
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<String> emojiNameList;
public Download() {
super();
}
public String getEmojiSetName() {
return emojiSetName;
}
public void setEmojiSetName(String emojiSetName) {
this.emojiSetName = emojiSetName;
}
public List<String> getEmojiNameList() {
return emojiNameList;
}
public void setEmojiNameList(List<String> 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;
}
}