Json字符串转实体类对象

import lombok.Data;

@Data
public class Person {

    private String name;//姓名
    private String age;//年龄
    private String sex;//性别

}

    public static void main(String[] args) {
        String str="{\"name\":\"张三\",\"age\":20}";
        Person person = JSON.parseObject(str, Person.class);
        System.out.println("person = " + person);//person = Person{name='张三', age='20', sex='null'}

    }