public void Start(OrderService a) { bool Y = true; while (Y) { Console.WriteLine("请输入:1.添加订单 2.删除订单 3.更改订单 4.查找订单 5.完成订单"); string n = Console.ReadLine(); switch (n) { case "1": a.Add(); break; case "2": a.Delete(); break; case "3": a.Change(); break; case "4": a.Find(); break; case "5": Y = false; break; default: Console.WriteLine("无效操作"); break; } } }
private static void Main(string[] args) { var a = new Order(); int Id, Price, Number; string Name, Client; var T = true; while (T) { try { Console.WriteLine("\n请选择您要功能:\n1.添加订单 2.删除订单 3.查询 4.完成操作 \n 其他键退出\n"); var select = Convert.ToInt32(Console.ReadLine()); if (select == 1) { Console.WriteLine("1.添加订单:"); Console.WriteLine("编号:"); Id = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("名称:"); Name = Console.ReadLine(); Console.WriteLine("数量:"); Price = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("价格:"); Number = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("客户:"); Client = Console.ReadLine(); OrderService.Add(a.MyOreder, Id, Name, Number, Price, Client); } else if (select == 2) { Console.WriteLine("2.删除订单:"); Console.WriteLine("编号:"); Id = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("名称:"); Name = Console.ReadLine(); Console.WriteLine("数量:"); Price = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("价格:"); Number = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("客户:"); Client = Console.ReadLine(); OrderService.Delete(a.MyOreder, Id, Name, Number, Price, Client); } else if (select == 3) { Console.WriteLine("3.查询:"); Console.WriteLine("编号:"); Id = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("名称:"); Name = Console.ReadLine(); Console.WriteLine("数量:"); Price = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("价格:"); Number = Convert.ToInt32(Console.ReadLine()); Console.WriteLine("客户:"); Client = Console.ReadLine(); OrderService.Search(a.MyOreder, Id, Name, Number, Price, Client); } else if (select == 4) { T = false; } else { Console.WriteLine("谢谢使用!"); Console.ReadKey(); break; } } catch { Console.WriteLine("请正确输入!"); } } }