static void Main(string[] args)
{
OrderService orderService = new OrderService(new List <Order>());
Console.Write("请输入订单数量：");
int totalOrder = Convert.ToInt32(Console.ReadLine());
for (int i = 1; i <= totalOrder; i++)
{
Order order = InputOrder();
try
{
orderService.AppendOrder(order);
Console.WriteLine("\n已添加订单:");
Console.WriteLine(order);
}
catch (OrderException e)
{
Console.WriteLine(e.Message);
}
}
int op = 0;
while (op < 8)
{
Console.WriteLine("请选择要执行的操作：\n1.添加订单 2.删除订单 3.打印订单 4.按订单号排序 5.按订单号查询 6.按商品查询 7.按顾客姓名查询 8.退出\n");
op = Convert.ToInt32(Console.ReadLine());
switch (op)
{
case 1:
{
Order order = InputOrder();
try
{
orderService.AppendOrder(order);
Console.WriteLine("\n已添加订单:");
Console.WriteLine(order);
}
catch (OrderException e)
{
Console.WriteLine(e.Message);
}
break;
}
case 2:
{
Console.Write("请输入订单号：");
int id = Convert.ToInt32(Console.ReadLine());
try
{
orderService.Delete(id);
Console.WriteLine($"成功删除 {id} 号订单");
}
catch (OrderException e)
{
Console.WriteLine(e.Message);
}
break;
}
case 3:
{
Console.WriteLine(orderService);
break;
}
case 4:
{
orderService.Sort();
break;
}
case 5:
{
Console.Write("请输入订单号：");
int id = Convert.ToInt32(Console.ReadLine());
Order order = orderService.InquireByID(id);
if (order != null)
{
Console.WriteLine("\n查询结果:");
Console.WriteLine(order);
}
else
{
Console.WriteLine("没有查找到订单");
}
break;
}
case 6:
{
Console.Write("请输入商品名：");
string name = Console.ReadLine();
List <Order> result = orderService.InquireByCommodity(name);
if (result != null)
{
result.Sort((a, b) => Convert.ToInt32(a.TotalPrice - b.TotalPrice));
OrderService temp = new OrderService(result);
Console.WriteLine("\n查询结果:");
Console.WriteLine(temp);
}
else
{
Console.WriteLine("没有查找到订单");
}
break;
}
case 7:
{
Console.Write("请输入顾客姓名：");
string name = Console.ReadLine();
List <Order> result = orderService.InquireByCustomer(name);
if (result != null)
{
result.Sort((a, b) => Convert.ToInt32(a.TotalPrice - b.TotalPrice));
OrderService temp = new OrderService(result);
Console.WriteLine("\n查询结果:");
Console.WriteLine(temp);
}
else
{
Console.WriteLine("没有查找到订单");
}
break;
}
default:
{
Console.WriteLine("退出程序");
break;
}
}
}
}
