private static void HandleOptions()
{
OrderService orderService = new OrderService();
while (true)
{
Console.WriteLine(" 菜 单");
Console.WriteLine("1、添加订单");
Console.WriteLine("2、删除订单");
Console.WriteLine("3、修改订单");
Console.WriteLine("4、查询订单");
Console.WriteLine("5、显示所有订单");
Console.WriteLine("6、序列化为xml文件");
Console.WriteLine("7、从xml文件载入订单");
Console.WriteLine("8、退出系统");
Console.Write("请选择需要进行的操作:");
try
{
int option = int.Parse(Console.ReadLine());
XmlSerializer xmlSer = new XmlSerializer(typeof(List <Order>));
string xmlFileName = "orders.xml";
switch (option)
{
case 1:
orderService.Add();
break;
case 2:
orderService.Remove();
break;
case 3:
orderService.Modify();
break;
case 4:
orderService.Query();
break;
case 5:
orderService.Show();
break;
case 6:
orderService.Export(xmlSer, xmlFileName);
break;
case 7:
orderService.Import(xmlSer, xmlFileName);
break;
case 8:
return;
default:
Console.WriteLine("请输入1到8之间的数字！任意键继续");
Console.ReadKey();
break;
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
}
public static void Main(string[] args)
{
OrderService myService = new OrderService();
myService.Check();
}