iOS 琐碎点------切某个或某几个角的圆角

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不说废话---------->

1.如果是切四个角的圆角,代码示例:

self.picImage.layer.cornerRadius = 8;

self.picImage.layer.masksToBounds = YES;

2.如果是四个角中的某几个角,一个,两个,或者3个,代码示例(切的左下,和右下):

UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:self.tipLabel.bounds byRoundingCorners:UIRectCornerBottomLeft | UIRectCornerBottomRight cornerRadii:CGSizeMake(5, 5)];

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

maskLayer.frame = _tipLabel.bounds;

maskLayer.path = maskPath.CGPath;

self.tipLabel.layer.mask = maskLayer;

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类型共有以下几种:

* UIRectCornerTopLeft

* UIRectCornerTopRight

* UIRectCornerBottomLeft

* UIRectCornerBottomRight

* UIRectCornerAllCorners

iOS 琐碎点------切某个或某几个角的圆角

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原文地址：http://www.cnblogs.com/liuzicheng/p/5822756.html