博客> UIView的部分圆角问题
UIView的部分圆角问题
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UIView的部分圆角问题

UIView *view2 = [[UIView alloc] initWithFrame:CGRectMake(120, 10, 80, 80)]; view2.backgroundColor = [UIColor redColor]; [self.view addSubview:view2];

UIBezierPath maskPath = [UIBezierPath bezierPathWithRoundedRect:view2.bounds byRoundingCorners:UIRectCornerBottomLeft | UIRectCornerBottomRight cornerRadii:CGSizeMake(10, 10)]; CAShapeLayer maskLayer = [[CAShapeLayer alloc] 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
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