设置UIView圆角的拓展

@interface UIView (RectCorner)

@end

@implementation UIView (RectCorner)

- (void)setCornerOnTop {

UIBezierPath *maskPath;

maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds

byRoundingCorners:(UIRectCornerTopLeft | UIRectCornerTopRight)

cornerRadii:CGSizeMake(10.0f, 10.0f)];

CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];

maskLayer.frame = self.bounds;

maskLayer.path = maskPath.CGPath;

self.layer.mask = maskLayer;

[maskLayer release];

}

- (void)setCornerOnBottom {

UIBezierPath *maskPath;

maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds

byRoundingCorners:(UIRectCornerBottomLeft | UIRectCornerBottomRight)

cornerRadii:CGSizeMake(10.0f, 10.0f)];

CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];

maskLayer.frame = self.bounds;

maskLayer.path = maskPath.CGPath;

self.layer.mask = maskLayer;

[maskLayer release];

}

- (void)setAllCorner {

UIBezierPath *maskPath;

maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds

cornerRadius:10.0];

CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];

maskLayer.frame = self.bounds;

maskLayer.path = maskPath.CGPath;

self.layer.mask = maskLayer;

[maskLayer release];

}

- (void)setNoneCorner{

self.layer.mask = nil;

}

@end