static void DoUpdate2()
{
string mode = "";
Console.WriteLine("输入ID");
int id = ReadAInt();
var ois = service.SelectById(id).OrderItems;
foreach (var oi in ois)
{
Console.WriteLine(oi);
}
Console.WriteLine(@"请选择您的服务:
添加-1 修改-2 删除-3");
mode = Console.ReadLine();
switch (mode)
{
case "1":
Console.WriteLine("输入商品名");
string gName = Console.ReadLine();
Console.WriteLine("输入数量");
int num = ReadAInt();
service.AddItem(id, gName.ToLower(), num);
break;
case "2":
Console.WriteLine("选择要修改的明细");
int index = ReadAInt();
OrderItem uoi = ois[index - 1];
Console.WriteLine("输入商品名");
string gName2 = Console.ReadLine();
Console.WriteLine("输入数量");
int num2 = ReadAInt();
service.UpdateItem(uoi, gName2, num2);
break;
case "3":
Console.WriteLine("选择要删除的明细");
int drop = ReadAInt();
service.DeleteItem(ois, ois[drop - 1]);
break;
default:
break;
}
}
