java实现音乐播放器，分为server端和client端，server端选定文件夹，client可实现音乐播放、歌词显示等功能，也可连接server进行在线播放及上传下载等。基于JMF-java implementation music player, is divided into server-side and client side, server side selected folder, client can realize music, lyrics display functio