fastJSON例子3
发布时间:2020-12-16 19:26:42 所属栏目:百科 来源:网络整理
导读:package com.ylchou.testfastjson;public class User {private Long id;private String name;public Long getId() {return id;}public void setId(Long id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.n
package com.ylchou.testfastjson; public class User { private Long id; private String name; public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } } package com.ylchou.testfastjson; import java.util.ArrayList; import java.util.List; public class Group { private Long id; private String name; private List<User> users = new ArrayList<User>(); public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public List<User> getUsers() { return users; } public void setUsers(List<User> users) { this.users = users; } } package com.ylchou.testfastjson; import com.alibaba.fastjson.JSON; public class TestFastJSON3 { public static void main(String[] args) { Group group = new Group(); User users = new User(); User users2 = new User(); User users3 = new User(); users.setId(1L); users.setName("ylchou"); users2.setId(2L); users2.setName("chousoul"); users3.setId(3L); users3.setName("shayue"); group.setId(7L); group.setName("gongsi"); group.getUsers().add(users);//注意 group.getUsers().add(users2);//注意 group.getUsers().add(users3); // group.getUsers().add(users3);//重复不会得到想要的 String groupJsonString = JSON.toJSONString(group); System.out.println("encode:"+groupJsonString); Group classGroup = JSON.parSEObject(groupJsonString,Group.class); System.out.println("discode:"+classGroup); Object classGroup2 = JSON.parSEObject(groupJsonString,Group.class); System.out.println("discode:"+classGroup2); //得到的仍然是JSON,所有parSEObject中参数要为转化后的类.class,不能为Object.class。 Object classGroup3 = JSON.parSEObject(groupJsonString,Object.class); System.out.println("discode:"+classGroup3); } 控制台打印: encode:{"id":7,"name":"gongsi","users":[{"id":1,"name":"ylchou"},{"id":2,"name":"chousoul"}]} discode:com.ylchou.testfastjson.Group@182f0db discode:com.ylchou.testfastjson.Group@192d342 discode:{"id":7,"name":"chousoul"}]} encode:{"id":7,"name":"chousoul"},{"id":3,"name":"shayue"},{"$ref":"$.users[2]"}]} discode:com.ylchou.testfastjson.Group@5224ee discode:com.ylchou.testfastjson.Group@f6a746 discode:{"id":7,null]} (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |