大家还在为缓冲的时候圆形进度条样式单一不好看而郁闷吗。这里提供三种缓冲进度条的样式，希望大家也多多分享，共同学习。-People still buffer when a single circular progress bar style does not look good rather depressed this. Offers three buffer progress bar style here, I hope you also a lot of sharing, learning