之前为公司做的一款MP3音乐播放器，用AS3.0写的，实现了播放器的暂停、播放、进度条、拖拽控制、声音大小的调节等常见功能！代码进行了优化，可直接拿来用！-Before for the company to do an MP3 music player, with AS3.0 write to achieve the pause, play, progress bar, drag control, sound regulation of the size and other common fea