static void Main() { OrderDetails FirstOrder = new OrderDetails(01, "JX1", "一点点", 1, 1.5); //初始化订单 OrderDetails SecondOrder = new OrderDetails(02, "JX2", "两点点", 2, 2.5); OrderDetails ThirdOrder = new OrderDetails(03, "JX3", "三点点", 3, 3.5); OrderDetails FourthOrder = new OrderDetails(04, "JX4", "四点点", 4, 4.5); OrderService Oporder = new OrderService(); Oporder.AddOrder(FirstOrder); //添加订单 Oporder.AddOrder(SecondOrder); Oporder.AddOrder(ThirdOrder); Oporder.AddOrder(FourthOrder); Oporder.DeleteOrder(06); //删除指定订单 Oporder.ChangeOrder("JX1", 5); //修改商品数量 Oporder.LookForOrder("一点点"); //查找指定订单 for (int i = 0; i < Oporder.OrderList.Count; i++) { Console.Write(" 商品名称是: " + Oporder.OrderList[i].GoodsName + " 商品数量是: " + Oporder.OrderList[i].GoodsNumber + " 商品价格是: " + Oporder.OrderList[i].GoodsPrice); Console.WriteLine(); } Console.WriteLine(); }