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chat-room/test/TestJson.java

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/*
* Copyright (c) 2019. 黄钰朝
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hyc.wechat.test;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.hyc.wechat.model.po.Message;
import com.hyc.wechat.model.po.User;
import java.util.Date;
/**
* @author <a href="mailto:kobe524348@gmail.com">黄钰朝</a>
* @description 该类用于测试JSON的解析和转换功能将JSON字符串转换为User对象并打印相关信息。
* @date 2019-05-04 01:02
*/
public class TestJson {
public static void main(String[] args) {
// 解析JSON字符串为JSONObject对象
JSON json = JSONObject.parseObject(
"{\"id\":\"2\", " +
"\"wechat_id\":\"s\"}" // 注意这里wechat_id应该是User类中定义的字段名
);
// 将JSONObject对象转换为User类的实例
User user = JSONObject.toJavaObject(json,User.class);
// 打印User对象的id属性
System.out.println(user.getId());
// 打印User对象的wechat_id属性
System.out.println(user.getWechatId());
// 打印一个基于给定时间戳的日期字符串
System.out.println(new Date(1309237).toString());
// 打印User对象的字符串表示形式
System.out.println(user.toString());
}
}