jackson简单的转化对象

最新推荐文章于 2025-02-16 15:40:57 发布

weixin_30279315

最新推荐文章于 2025-02-16 15:40:57 发布

阅读量100

点赞数

CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/cxlings/articles/5317722.html

本文介绍了一个使用Java进行JSON反序列化的示例。通过ObjectMapper将JSON字符串转换为User对象，展示了如何处理字符串、整数、日期等多种类型的数据。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

ckage study.lesson.frist;

import org.codehaus.jackson.map.ObjectMapper;

import java.io.IOException;

/**
 * Created by cxlings on 2016/1/7.
 */
public class Tester {

    public static void main(String[] args) {

        String json = "{\"name\":\"小民\",\"age\":\"20\",\"birthday\":844099200000,\"email\":\"xiaomin@sina.com\",\"id\":\"243144312411113242\"}";

        /**
         * ObjectMapper支持从byte[]、File、InputStream、字符串等数据的JSON反序列化。
         */
        ObjectMapper mapper = new ObjectMapper();
        User user = null;
        try {
            user = mapper.readValue(json, User.class);
        } catch (IOException e) {
            e.printStackTrace();
        }
        System.out.println("age"+user.getAge()+"id="+user.getId());

    }
}

package study.lesson.frist;

import java.math.BigInteger;
import java.util.Date;

/**
 * Created by cxlings on 2016/3/24.
 */
public class User
{

    private String name;
    private Integer age;
    private Date birthday;
    private String email;
    private BigInteger id;
    public BigInteger getId() {
        return id;
    }

    public void setId(BigInteger id) {
        this.id = id;
    }



    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }

    public Integer getAge() {
        return age;
    }
    public void setAge(Integer age) {
        this.age = age;
    }

    public Date getBirthday() {
        return birthday;
    }
    public void setBirthday(Date birthday) {
        this.birthday = birthday;
    }

    public String getEmail() {
        return email;
    }
    public void setEmail(String email) {
        this.email = email;
    }
}