//切其中幾個角

+ (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;

}

調(diào)用

? ? [CALayer makeBorderForView:self.profitView rectConer:UIRectCornerTopLeft | UIRectCornerTopRight bounds:CGRectMake(0, 0, SCREENWIDTH - 30, roundf(self.profitView.bounds.size.height)) redius:8];