这是刚工作时写的一个后台维护ktv点歌系统的歌曲处理实现代码，包括各种点歌类型的处理以及网络上传歌曲至服务端功能。-This is the first work to write a background song system KTV song processing implementation code, including a variety of song types of processing and network to upload songs to the server func