`
-
(instancetype)initWithFrame:(CGRect)frame
{
if (self = [super initWithFrame:frame]) {UIBezierPath *maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds byRoundingCorners:UIRectCornerTopLeft | UIRectCornerTopRight cornerRadii:CGSizeMake(20, 20)]; CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init]; maskLayer.frame = self.bounds; maskLayer.path = maskPath.CGPath; self.layer.mask = maskLayer; [self createUI];}
return self;
}
`
本文介绍如何在iOS开发中使用Swift自定义UIView的圆角效果。通过重写initWithFrame方法,利用UIBezierPath和CAShapeLayer实现特定的圆角样式,适用于顶部左右两个角的圆角处理。
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