static void Main(string[] args) { Client client1 = new Client("xyf", "VIP"); Client client2 = new Client("zzx"); Client client3 = new Client("lbr", "VIP"); Goods goods1 = new Goods("1", "哈利波特 1", 12); Goods goods2 = new Goods("2", "理想国", 15); Goods goods3 = new Goods("3", "百年孤独", 18); try { OrderService.AddOrder(new Order("001", client1, DateTime.Now, "北京", new OrderDetail(goods1, 2))); OrderService.AddOrder(new Order("002", client1, new DateTime(2021, 3, 27, 18, 00, 13), "武汉", new OrderDetail(goods2, 3))); OrderService.AddOrder(new Order("003", client2, DateTime.UtcNow, "天津", new OrderDetail(goods3, 1))); OrderService.AddOrder(new Order("004", client2, DateTime.Now, "上海", new OrderDetail(goods3, 1), new OrderDetail(goods1, 2))); OrderService.AddOrder(new Order("005", client3, DateTime.Today, "广州", new OrderDetail(goods1, 2), new OrderDetail(goods2, 2), new OrderDetail(goods3, 1))); Print(OrderService.QueryByClientName("xyf")); OrderService.DelOrder("002"); //OrderService.DelOrder("006"); OrderService.ModifyOrder(new Order("001", client2, DateTime.Now, "北京", new OrderDetail(goods1, 2))); OrderService.Sort(); Print(OrderService.QueryAll()); OrderService.Sort((Order o1, Order o2) => o1.TotalMoney.CompareTo(o2.TotalMoney)); Print(OrderService.QueryAll()); OrderService.Export("D:\\VS2019\\Project\\DotNetHomeWork\\HomeWork6\\HomeWork6\\bin\\Debug", "Orders"); } catch (ArgumentException e) { Console.WriteLine(e); } Console.ReadKey(); }