本程序是用c++实现播放器，功能强大，具有查看播放列表，查看帮助信息，开始播放，停止，暂停，切换下一首，切换上一首的功能-This procedure is used c++ to achieve player, powerful, with a view playlists, view the help information, the beginning of play, stop, pause, next the first switch, switch on the function