package com.ant.jdk8.json;import com.alibaba.fastjson.annotation.JSONField;import com.alibaba.fastjson.annotation.JSONType;import java.util.Date;@JSONType(includes = {"name","hireDate"},ignores = {"age"})public class User {    private String name;    private int age;    @JSONField(format="yyyy-MM-dd HH:mm:ss")    private Date hireDate;    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 Date getHireDate() {        return hireDate;    }    public void setHireDate(Date hireDate) {        this.hireDate = hireDate;    }    public User(String name, int age, Date hireDate) {        this.name = name;        this.age = age;        this.hireDate = hireDate;    }    public User() {    }}

package com.ant.jdk8.json;import com.alibaba.fastjson.JSON;import java.util.ArrayList;import java.util.Date;import java.util.List;public class JsonDemo {    public static void main(String[] args) {        convertCollectionToJson();    }    public static void convertCollectionToJson(){        List
     
       userList = new ArrayList<>();        userList.add(new User("tom",20,new Date()));        userList.add(new User("jack",25,new Date()));        String jsonString = JSON.toJSONString(userList,true);//true表示转换为带格式的json文本        System.out.println(jsonString);    }}