iOS-view圆角与阴影并存

CALayer *subLayer = [CALayer layer];

CGRect fixframe = view1.frame;

subLayer.frame = fixframe;

subLayer.cornerRadius = 8;

subLayer.backgroundColor = [[UIColor blackColor] colorWithAlphaComponent:0.8].CGColor;

subLayer.masksToBounds = NO;

subLayer.shadowColor =  [UIColor blackColor].CGColor;//shadowColor阴影颜色

subLayer.shadowOffset = CGSizeMake(3,2);//shadowOffset阴影偏移,x向右偏移3，y向下偏移2，默认(0, -3),这个跟shadowRadius配合使用

subLayer.shadowOpacity = 0.8;//阴影透明度，默认0

subLayer.shadowRadius = 4;//阴影半径，默认3

[self.view.layerinsertSublayer:subLayerbelow:view1.layer];