编辑代码

class Shape{
    //名称
    var name : String?
    //边数
    var sides : Int?
    //左上角的位置坐标
    var origin : CGpoint?
    //线条颜色
    var lineColor : UIColor = UIColor.red
    //填充颜色
    var fillColor : UIColor = UIColor.green
    //线条宽度
    var lineWith : CGFloat=2
    //构造器函数init
    init(name : String, sides: Int, origin : CGpoint){
        self.name = name
        self.sides = sides
        self.origin = origin
    }
    //自定义方法sayHello
    func sayHello(){
        print("Shape is \(name!),sides\(sides), and originCord is((\origin!.x),\(origin.y))")
    }

}