// 設定訂單
public void SetOrder(ExampleCommand command)
{
if (command.ToString() == "Command.BakeChickenWingCommand")
{
Console.WriteLine($"服務生:雞翅沒有了，請點別的");
}
else
{
orders.Add(command);
Console.WriteLine($"增加訂單: {command.ToString()}, 時間: {DateTime.Now.ToString()}");
}
}
// 取消訂單
public void CancelOrder(ExampleCommand command)
{
orders.Remove(command);
Console.WriteLine($"取消訂單: {command.ToString()}, 時間: {DateTime.Now.ToString()}");
}