原创简易mp3播放器，能进行单个mp3文件的播放，快进，快退，拖拽，暂停，用滑块和计时器表示播放进度。暂无播放列表的功能。-original simple mp3 player, capable of single MP3 file playback, fast forward, fast retreat, dragging, suspension, with the slider and a timer, said players progress. No playlist function.