iOS 控件切角

UIView*view2=[[UIViewalloc]initWithFrame:CGRectMake(120,10,80,80)];

view2.backgroundColor=[UIColorredColor];

[self.viewaddSubview:view2];

UIBezierPath*maskPath=[UIBezierPathbezierPathWithRoundedRect:view2.boundsbyRoundingCorners:UIRectCornerBottomLeft|UIRectCornerBottomRightcornerRadii:CGSizeMake(10,10)];

CAShapeLayer*maskLayer=[[CAShapeLayeralloc]init];

maskLayer.frame=view2.bounds;

maskLayer.path=maskPath.CGPath;

view2.layer.mask=maskLayer;

其中,

byRoundingCorners:UIRectCornerBottomLeft | UIRectCornerBottomRight

指定了需要成为圆角的角。该参数是UIRectCorner类型的,可选的值有:

* UIRectCornerTopLeft

* UIRectCornerTopRight

* UIRectCornerBottomLeft

* UIRectCornerBottomRight

* UIRectCornerAllCorners

从名字很容易看出来代表的意思,使用“|”来组合就好了。

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