圆形百分比图表，IOS编程学习源码，很好的参考资料。-Round percentage chart, IOS programming learning source, a good reference.

百分比的圆盘图表，效果很炫，精选ios编程学习源码，很好的参考资料。-Circular chart percentage, the effect is very dazzling, selection of learning IOS programming source code, a good reference.

等待效果展示 , 有读条 , 有旋转, 有百分比,有进度条-Waiting for results show, read the article, rotate, percentage, a progress bar