public static void SearchByTotalPrice()
{
Console.WriteLine("请输入要查询的订单金额:");
double totalPrice = Convert.ToDouble(Console.ReadLine());
List <Order> orders = service.QueryOrderByTotalPrice(totalPrice);
if (orders.Count == 0)
{
Console.WriteLine("查询不到任何订单!");
return;
}
PrintResultType(orders);
}