fastjson源码

public class User {
    private String name;
    @JSONField(serialize = false)
    private User friend;
}

String jsonString = "{\"name\":\"John\", \"age\":30}";
User user = JSON.parseObject(jsonString, new TypeReference<User>() {});

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.annotation.JSONField;

public class Main {
    public static void main(String[] args) {
        User user = new User();
        user.setName("Alice");
        user.setAge(25);

        // 序列化
        String jsonString = JSON.toJSONString(user);
        System.out.println("Serialized JSON: " + jsonString);

        // 反序列化
        User deserializedUser = JSON.parseObject(jsonString, User.class);
        System.out.println("Deserialized User: " + deserializedUser.getName() + ", " + deserializedUser.getAge());
    }
}

class User {
    private String name;
    private int age;

    // Getters and Setters
    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; }
}