extension UIButton{
func roundedButton(){
let maskPath1 = UIBezierPath(roundedRect: bounds,
byRoundingCorners: [.topLeft , .topRight],
cornerRadii: CGSize(width: 8, height: 8))
let maskLayer1 = CAShapeLayer()
maskLayer1.frame = bounds
maskLayer1.path = maskPath1.cgPath
layer.mask = maskLayer1
}
}
btnCorner.roundedButton()
602392714
清零编程群