我是Android和Java的新手,对我的服务器应用程序通信有疑问。我的服务器总是返回带有“代码”、“消息”和“数据”的JSON输出。像这样:e.g:{"code":200,"msg":"success","data":[{"track_id":123},{"track_id":124},{"track_id":125}]}e.g:{"code":200,"msg":"success","data":[{"type":"car","length":100},{"type":"train","length":500},{"type":"foot","length":3}]}我想使用这样的