这是一个用于进度条显示的Progress
#####使用
#import "CircleProgressView.h"
#####初始化:
_circleProgressView = [[CircleProgressView alloc] initWithFrame:CGRectMake(SCREEN_WIDTH/2.0f - 188/2.0f, yPoint, 188, 188)];
_circleProgressView.trackColor = [UIColor colorWithRed:255 green:255 blue:255 alpha:0.4];//底色
_circleProgressView.progressColor = [UIColor whiteColor];
//进度条的颜色
_circleProgressView.progressWidth = 3;
//底色和进度条的宽度
[_circleProgressView setProgress:0.0f animated:YES];
#####设置进度:
[self.circleProgressView setProgress:k animated:YES];