static void Main(string[] args) { Console.WriteLine("欢迎使用本订单系统"); Console.WriteLine("#########################"); Console.WriteLine("请选择您要使用的服务:"); Console.WriteLine("输入1:创建新订单"); Console.WriteLine("输入2:修改订单"); Console.WriteLine("输入3:删除订单"); Console.WriteLine("输入4:查询订单订单"); Console.WriteLine("输入5:退出系统"); Console.WriteLine("输入6:将所有的订单序列化"); Console.WriteLine("输入7:从XML文件中载入订单"); bool flag = true; Dictionary <string, Customer> Users = new Dictionary <string, Customer>(); int count = 0; OrderService orderService = new OrderService(); orderService.OrderList = new List <Order>(); do { Console.WriteLine("请选择您要使用的服务:"); bool flags = false; int i = 0; do { try { i = int.Parse(Console.ReadLine()); if (i > 0 && i < 8) { flags = true; } } catch (Exception) { Console.WriteLine("请给出正确的输入"); } } while (!flags); switch (i) { case 1: count++; List <OrderItem> orderItems = new List <OrderItem>(); Console.WriteLine("请输入用户名"); string user = Console.ReadLine(); if (orderService.OrderList.Count() == 0 || Users[user] == null) { Console.WriteLine("请输入电话号码"); string phoneNum = Console.ReadLine(); Console.WriteLine("请输入地址"); string address = Console.ReadLine(); Customer customer1 = new Customer(user, phoneNum, address); Users.Add(user, customer1); } Customer customer = Users[user]; Console.WriteLine("请以此输入订单项目的名称、单价和数量,并在最后输入“stop”停止"); string input = null; do { input = Console.ReadLine(); if (input != "stop") { string name = input; int price = int.Parse(Console.ReadLine()); int amount = int.Parse(Console.ReadLine()); Goods good = new Goods(name, price); OrderItem orderItem = new OrderItem(good, amount); orderItems.Add(orderItem); } } while (input != "stop"); Order order = new Order(orderItems, customer, count); orderService.OrderList.Add(order); Console.WriteLine("您已经成功创建订单,订单号为:" + count); break; case 2: Console.WriteLine("请选择您要修改的订单号"); int ID = int.Parse(Console.ReadLine()); if (orderService.InquiryOrder(ID) == null) { Console.WriteLine("该订单不存在。"); continue; } List <OrderItem> orderItems1 = new List <OrderItem>(); Console.WriteLine("请输入用户名"); string user1 = Console.ReadLine(); if (orderService.OrderList.Count() == 0 || Users[user1] == null) { Console.WriteLine("请输入电话号码"); string phoneNum = Console.ReadLine(); Console.WriteLine("请输入地址"); string address = Console.ReadLine(); Customer customer2 = new Customer(user1, phoneNum, address); Users.Add(user1, customer2); } Customer customer3 = Users[user1]; Console.WriteLine("请以此输入订单项目的名称、单价和数量,并在最后输入“stop”停止"); string input1 = null; do { input = Console.ReadLine(); if (input1 != "stop") { string name = input; int price = int.Parse(Console.ReadLine()); int amount = int.Parse(Console.ReadLine()); Goods good = new Goods(name, price); OrderItem orderItem = new OrderItem(good, amount); orderItems1.Add(orderItem); } } while (input1 != "stop"); Order order1 = new Order(orderItems1, customer3, 0); orderService.ModifyOrder(orderService.InquiryOrder(ID), order1); break; case 3: Console.WriteLine("请选择您要删除的订单号"); int ID1 = int.Parse(Console.ReadLine()); if (orderService.InquiryOrder(ID1) == null) { Console.WriteLine("该订单不存在。"); continue; } orderService.DeleteOrder(orderService.InquiryOrder(ID1)); break; case 4: Console.WriteLine("请选择您查询的方式://1:根据订单号查询 //2:根据货物查询 //3:根据用户查询"); int partern = int.Parse(Console.ReadLine()); switch (partern) { case 1: Console.WriteLine("请输入订单号"); int ID3 = int.Parse(Console.ReadLine()); if (orderService.InquiryOrder(ID3) == null) { Console.WriteLine("该订单不存在。"); continue; } Console.WriteLine(orderService.InquiryOrder(ID3).ToString()); break; case 2: Console.WriteLine("请输入货物名"); string name1 = Console.ReadLine(); if (orderService.InquiryOrder(1, name1) == null) { Console.WriteLine("该订单不存在。"); continue; } foreach (Order order0 in orderService.InquiryOrder(1, name1)) { Console.WriteLine(order0.ToString()); } break; case 3: Console.WriteLine("请输用户名"); string name2 = Console.ReadLine(); if (orderService.InquiryOrder(2, name2) == null) { Console.WriteLine("该订单不存在。"); continue; } foreach (Order order0 in orderService.InquiryOrder(2, name2)) { Console.WriteLine(order0.ToString()); } break; } break; case 5: flag = false; break; case 6: Console.WriteLine("输入您要创建的文件名(以.xml结尾)"); string filename = Console.ReadLine(); orderService.Export(filename); break; case 7: Console.WriteLine("输入您要查找的文件名(以.xml结尾)"); string filename1 = Console.ReadLine(); orderService.Import(filename1); break; default: break; } } while (flag); Console.WriteLine("感谢您使用此系统,再见qwq"); }