将PoJo的JSON字符串属性解析为对象

<dependency>
    <groupId>com.fasterxml.jackson.core</groupId>
    <artifactId>jackson-databind</artifactId>
    <version>2.12.5</version>
</dependency>

{
  "name": "John",
  "age": 25,
  "email": "john@example.com"
}

public class Person {
    private String name;
    private int age;
    private String email;

    // 省略构造方法、getter和setter
}

import com.fasterxml.jackson.databind.ObjectMapper;

String jsonString = "{\"name\":\"John\",\"age\":25,\"email\":\"john@example.com\"}";

ObjectMapper objectMapper = new ObjectMapper();
Person person = objectMapper.readValue(jsonString, Person.class);

String name = person.getName();
int age = person.getAge();
String email = person.getEmail();