jsonArray jsonString list 之間轉換 本文轉載自 查看原文 2019-12-06 10:37 1870 java 1、示例： package com.test.demo.pojo; import lombok.Data; import lombok.experimental.Accessors; /** * @program: demo * @description: * @author: ZhuGaoPo * @version:1.0 * @create: 2019-12-06 09:51 */ @Data @Accessors(chain = true) public class Student { private String name; private String gender; private int age; } package com.test.demo.test; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONArray; import com.alibaba.fastjson.JSONObject; import com.test.demo.pojo.Student; import java.util.ArrayList; import java.util.List; /** * @program: demo * @description: jsonString jsonArray jsonObject List<Object> 轉換 * @copyRight:Sunyard * @author: ZhuGaoPo * @version:1.0 * @create: 2019-12-06 09:49 */ public class JsonTest { public static void main(String[] args) { Student s1 = new Student(); Student s2 = new Student(); Student s3 = new Student(); s1.setName("小明").setAge(18).setGender("男"); s2.setName("小紅").setAge(16).setGender("女"); s3.setName("小剛").setAge(19).setGender("男"); List<Student> students = new ArrayList<>(); students.add(s1); students.add(s2); students.add(s3); System.out.println("List<Student>為："+ students); //fastjson List<Object> => JSONArray JSONArray jsonArray = JSONArray.parseArray(JSON.toJSONString(students)); System.out.println("fastjson List<Object> 轉 JSONArray：" + jsonArray); //jsonString String jsonString = jsonArray.toJSONString(); // String jsonString = JSONArray.toJSONString(students); System.out.println("JSONString 為：" + jsonString); //fastJSon JSONArray =>List<Object> List<Student> list = JSONObject.parseArray(jsonArray.toJSONString(),Student.class); System.out.println("fastjson JSONArray 轉 List<Object>：" + list); //jsonString 字符串 轉 list List<Student> list1 = JSONObject.parseArray(jsonString,Student.class); System.out.println("fastjson jsonString 轉 List<Object>：" + list1); } } 2、結果 × 免責聲明！ 本站轉載的文章為個人學習借鑒使用，本站對版權不負任何法律責任。如果侵犯了您的隱私權益，請聯系本站郵箱[e-mail]刪除。 猜您在找 使用fastjson進行JSONObject、JSONArray、Map、JavaBean、list、object之間的相互轉換 將JSONArray對象轉換成List >對象 關於java中JSONArray、JSONObject、List、String之間的轉換 JsonArray 轉換成java List的方法 JSONArray數據轉換成java List JSONArray數據轉換成java List List 轉換Jsonarray知識心得 fastjson中List和JSONArray的相互轉換 Java之 javaObject與jsonString的轉換 JSONObject,JSONArray,Map,String之間轉換 粵ICP備18138465號 © 2018-2025 CODEPRJ.COM

1、示例：

package com.test.demo.pojo;

import lombok.Data;
import lombok.experimental.Accessors;

/**
 * @program: demo
 * @description:
 * @author: ZhuGaoPo
 * @version:1.0
 * @create: 2019-12-06 09:51
 */
@Data
@Accessors(chain = true)
public class Student {
    private String name;
    private String gender;
    private int age;
}

　　

package com.test.demo.test;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.test.demo.pojo.Student;

import java.util.ArrayList;
import java.util.List;

/**
 * @program: demo
 * @description: jsonString jsonArray jsonObject List<Object> 轉換
 * @copyRight:Sunyard
 * @author: ZhuGaoPo
 * @version:1.0
 * @create: 2019-12-06 09:49
 */
public class JsonTest {
    public static void main(String[] args) {
        Student s1 = new Student();
        Student s2 = new Student();
        Student s3 = new Student();
        s1.setName("小明").setAge(18).setGender("男");
        s2.setName("小紅").setAge(16).setGender("女");
        s3.setName("小剛").setAge(19).setGender("男");
        List<Student> students = new ArrayList<>();
        students.add(s1);
        students.add(s2);
        students.add(s3);
        System.out.println("List<Student>為："+ students);

        //fastjson List<Object> => JSONArray
        JSONArray jsonArray = JSONArray.parseArray(JSON.toJSONString(students));
        System.out.println("fastjson  List<Object> 轉 JSONArray：" + jsonArray);
        //jsonString
        String jsonString = jsonArray.toJSONString();
         // String jsonString = JSONArray.toJSONString(students);
        System.out.println("JSONString 為：" + jsonString);
        //fastJSon JSONArray =>List<Object>
        List<Student> list = JSONObject.parseArray(jsonArray.toJSONString(),Student.class);
        System.out.println("fastjson  JSONArray 轉 List<Object>：" + list);
        //jsonString 字符串 轉 list
        List<Student> list1 = JSONObject.parseArray(jsonString,Student.class);
        System.out.println("fastjson  jsonString 轉 List<Object>：" + list1);
     }
}

　　2、結果