简单的三键音乐播放器，QT开发，适合初学者-Simple three-button music player, QT development, suitable for beginners

使用Qt软件做的音乐播放器，界面仿造酷狗音乐，实现了音乐播放的基本功能，还有歌词-Qt software to do the music player interface to mimic the cool dog music, to achieve the basic functions of a music player, as well as lyrics