///图片切割圆角
- (UIImage *)clipImageCornerRadius:(UIImage *)image{
UIGraphicsBeginImageContextWithOptions(image.size, NO, 0);
CGContextRef ctx = UIGraphicsGetCurrentContext();
CGRect rect = CGRectMake(0, 0, image.size.width, image.size.height);
CGContextAddEllipseInRect(ctx, rect);
CGContextClip(ctx);
[image drawInRect:rect];
UIImage *imageNew = UIGraphicsGetImageFromCurrentImageContext();
return imageNew;
}
https://blog.csdn.net/smaller_coder/article/details/79363616