设置UIView圆角

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设置UIView圆角

一个UIView圆角的扩展类

设置UIView上半部分圆角
设置UIView下半部分圆角
设置UIView全圆角

代码

UIView+RectCorner.h@interface UIView (RectCorner)- (void)setCornerOnTopCornerRaii:(CGFloat)cornerRaii;- (void)setCorNerOnBottomCornerRaii:(CGFloat)cornerRaii;- (void)setCornerRadii:(CGFloat)cornerRadii;@end

UIView+RectCorner.m@implementation UIView (RectCorner)- (void)setCornerOnTopCornerRaii:(CGFloat)cornerRaii {    UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds                                                   byRoundingCorners:(UIRectCornerTopLeft | UIRectCornerTopRight)                                                           cornerRadii:CGSizeMake(cornerRaii, cornerRaii)];    CAShapeLayer *cornerLayer = [[CAShapeLayer alloc] init];    cornerLayer.frame = self.bounds;    cornerLayer.path = maskPath.CGPath;    self.layer.mask = cornerLayer;}- (void)setCorNerOnBottomCornerRaii:(CGFloat)cornerRaii {    UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds                                                  byRoundingCorners:(UIRectCornerBottomLeft | UIRectCornerBottomRight)                                                         cornerRadii:CGSizeMake(cornerRaii, cornerRaii)];    CAShapeLayer *cornerLayer = [CAShapeLayer layer];    cornerLayer.frame = self.bounds;    cornerLayer.path = maskPath.CGPath;    self.layer.mask = cornerLayer;}- (void)setCornerRadii:(CGFloat)cornerRadii {    UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds cornerRadius:cornerRadii];    CAShapeLayer *maskLayer = [CAShapeLayer layer];    maskLayer.path = maskPath.CGPath;    maskLayer.frame = self.bounds;    self.layer.mask = maskLayer;}@end

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