CALayer *layer = [CALayer layer];
CGRect frame = CGRectMake(0, 29, 60, 13);
[layer setFrame:frame];
[layer setContents:(id)image.CGImage];
[view.layer addSublayer:layer];
转载于:https://www.cnblogs.com/qiqibo/archive/2012/12/24/2831380.html