利用Visual C++6.0实现mp3播放器的全过程，基本功能有加入文件、加入目录、播放列表、歌曲控制、静音、音量设置、歌曲列表、滚动字幕,Visual C++6.0 to use mp3 player to achieve the whole process of the basic functions were added to the file, add directories, play lists, song control, mute, volume settings, song