static void Main(string[] args) { try { Order order = new Order("招牌渔粉", "ddt", "01", 9, 1); Order newOrder = new Order("金汤渔粉", "ddt", "02", 10, 2); OrderService service = new OrderService(); service.AddOrder(order); service.AddOrder(newOrder); service.DeleteByName("招牌渔粉"); Order x = service.CheckById("02"); //OrderDetails details = new OrderDetails(); service.print(); Console.ReadLine(); } catch (CanNotFindOrder e) { Console.WriteLine(e.Message); Console.ReadLine(); } }