采用VB实现非常简短实现MP3播放器功能（不超过20行代码），提供MP3随意拖放播放功能，同时提供频谱显示功能，界面非常友好，提供换肤功能。-using VB very brief MP3 player functions (no more than 20 lines of code) to provide users in MP3 player functions, while providing spectrum display, user-friendly interface, provi