static public Shape CreateShape(string type)
        {
            Shape shape = null;

            try
            {
                if (type.Equals("triangle"))
                {
                    Console.WriteLine("请输入三角形的三条边:");
                    double a = Convert.ToDouble(Console.ReadLine());
                    double b = Convert.ToDouble(Console.ReadLine());
                    double c = Convert.ToDouble(Console.ReadLine());
                    shape = new Triangle(a, b, c);
                }
                if (type.Equals("circular"))
                {
                    Console.WriteLine("请输入圆形的半径:");
                    double radius = Convert.ToDouble(Console.ReadLine());
                    shape = new Circular(radius);
                }
                if (type.Equals("square"))
                {
                    Console.WriteLine("请输入正方形的边长:");
                    double sideLength = Convert.ToDouble(Console.ReadLine());
                    shape = new Square(sideLength);
                }
                if (type.Equals("rectangle"))
                {
                    Console.WriteLine("请输入矩形的长和宽:");
                    double length = Convert.ToDouble(Console.ReadLine());
                    double width  = Convert.ToDouble(Console.ReadLine());
                    shape = new Rectangle(length, width);
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e.Message);
            }
            return(shape);
        }
Esempio n. 2
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        //静态工厂方法
        public static Sharp GetSharp(String type, double a, double b)
        {
            Sharp sharp = null;

            if (type.Equals("三角形"))
            {
                sharp = new Triangle(a);
            }
            else if (type.Equals("圆形"))
            {
                sharp = new Circular(a);
            }
            else if (type.Equals("正方形"))
            {
                sharp = new Square(a);
            }
            else if (type.Equals("长方形"))
            {
                sharp = new Rectangle(a, b);
            }
            return(sharp);
        }
Esempio n. 3
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        public static Graphical CreatGraphical(string type)
        {
            Graphical n = null;

            switch (type)
            {
            case "长方形":
                n = new Rctangle();
                break;

            case "正方形":
                n = new Square();
                break;

            case "圆形":
                n = new Circular();
                break;

            case "三角形":
                n = new Triangle();
                break;
            }
            return(n);
        }