//切其中几个角
+ (void)makeBorderForView:(UIView *)view rectConer:(UIRectCorner)rectConer bounds:(CGRect)bounds redius:(CGFloat)redius{
UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:bounds byRoundingCorners:rectConer cornerRadii:CGSizeMake(redius, redius)]; CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init]; maskLayer.frame = bounds; maskLayer.path = maskPath.CGPath; view.layer.mask = maskLayer;
}
调用
[CALayer makeBorderForView:self.profitView rectConer:UIRectCornerTopLeft | UIRectCornerTopRight bounds:CGRectMake(0, 0, SCREENWIDTH - 30, roundf(self.profitView.bounds.size.height)) redius:8];