C#经典环形进度条，很实用的一款学习软件，很不错哦-C# classic circular progress bar, it is a useful learning software, very good, oh

一个自定义的UIView，可以实现绘制进度条并实现相应动画的功能。有丰富的接口，可以实现多种样式(A custom UIView that implements the ability to draw a progress bar and implement the corresponding animation. There are rich interfaces that can implement multiple styles)