如何使UIVIEW的特定边角半径不同？

Question

我已附上图片。我想创建UIVIEW的拐角半径。请查看图片https://i.stack.imgur.com/AkUuO.png

Answer 1

希望这会有所帮助：

let redBox = UIView(frame: CGRect(x: 0, y: 0, width: 100, height: 100))
redBox.backgroundColor = .red
redBox.layer.cornerRadius = 25
redBox.layer.maskedCorners = [.layerMaxXMaxYCorner]

类似在这里问的类似问题：How to set cornerRadius for only top-left and top-right corner of a UIView?