static void Main(string[] args) { string type = string.Empty; double money = 0.0; Console.WriteLine("请输入优惠方式:"); type = Console.ReadLine(); Context context = new Context(type); Console.WriteLine("请输入总金额:"); money = Convert.ToDouble(Console.ReadLine()); Console.WriteLine("最后应该收费:" + context.finalPay(money)); Console.ReadKey(); }