public static void main(String[] args) {

        List list = new ArrayList<>();

        HashMap map = new HashMap<String,Object>();

        map.put("name", "zhou");

        map.put("age", 20);

        map.put("Address", "hubei");

        map.put("career", "student");

        list.add(map);

        HashMap map1 = new HashMap<String,Object>();

        map1.put("name", "zhangsan");

        map1.put("age", 30);

        map.put("Address", "wuhan");

        map.put("career", "teacher");

        list.add(map1);

        System.out.println(list);

        JSONArray result = JSONArray.fromObject(list);

        List<Person> jsonDtosList = (List<Person>) JSONArray.toCollection(result, Person.class);

        System.out.println(jsonDtosList);

package stream;

public class Person {

    private String name;

    private int age;

    private String address;

    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 String getAddress() {

        return address;

    }

    public void setAddress(String address) {

        this.address = address;

    }

    /*

     * public Person(String name, int age) {

     *

     * this.name = name; this.age = age; }

     */

}

        String strq="{\"pfid\":\"1164806502843756545\",\"nickName\":\"杨老师\"}";

        cn.hutool.json.JSONObject jsonObject = cn.hutool.json.JSONUtil.parseObj(strq);

        Map<String, Object> data = new HashMap<String, Object>();

        data.putAll(jsonObject);

        System.out.println(data);

        System.out.println(data.get("pfid"));

        String nickName = (String) jsonObject.get("nickName");

        System.out.println(nickName);