コード例 #1
0
        static void Main(string[] args)
        {
            bool endApp = false;

            while (!endApp)
            {
                Console.WriteLine("请选择构造的形状:");
                Console.WriteLine("\tc - 圆");
                Console.WriteLine("\tr - 长方形");
                Console.WriteLine("\ts - 正方形");
                Console.WriteLine("\tt - 三角形");
                string    op        = Console.ReadLine();
                Graphical graphical = GraphicalFactory.CreateGraphical(op);
                if (graphical.IsLegal())
                {
                    graphical.area      = graphical.AreaGraphical();
                    graphical.perimeter = graphical.PerimeterGraphical();
                    Console.WriteLine("该图形的面积为:" + graphical.area);
                    Console.WriteLine("该图形的周长为:" + graphical.perimeter);
                }
                else
                {
                    Console.WriteLine("\t输入图形不合法");
                }
                Console.WriteLine("按“n”结束程序,或者其他键继续计算");
                if (Console.ReadLine() == "n")
                {
                    endApp = true;
                }
            }
        }
コード例 #2
0
        public static Graphical CreateGraphical(String shape)
        {
            Graphical open = null;

            switch (shape)
            {
            case "c": open = new Circle();
                break;

            case "r": open = new Rectangle();
                break;

            case "s": open = new Square();
                break;

            case "t": open = new Triangle();
                break;
            }
            return(open);
        }