圓角
layer.masksToBounds Boolean
layer.cornerRadius string 4
layer.borderColor color (?)純代碼使用borderColor
layer.borderColorFromUIColor color (??)
layer.borderWidth string
純代碼
UIView邊框
self.backGoundView.layer.borderColor = HEXCOLOR(0xe5e5e5).CGColor;
self.backGoundView.layer.borderWidth = 0.5f;