static void Main(string[] args) { OrderService orderService = new OrderService(); orderService.AddOrder("001"); orderService.AddOrder("002"); orderService.AddOrder("003"); orderService.AddOrder("004"); orderService.AddOrder("005"); //删除订单 try { orderService.DelOrder("002"); orderService.DelOrder("004"); orderService.DelOrder("003"); orderService.DelOrder("006"); //出现异常 } catch (MyException e) { Console.WriteLine("删除订单失败,出错种类" + e.getId()); } //修改订单 try { orderService.ModOrder("003"); orderService.ModOrder("005"); orderService.ModOrder("006"); //出现异常 } catch (MyException e) { Console.WriteLine("修改订单失败,出错种类" + e.getId()); } orderService.FindOrderByNums("005"); orderService.FindOrderByName("Vermouth"); orderService.FindOrderByGoods("goodsA"); Console.ReadKey(); }