public static void ChangeOrder()
{
while (true)
{
try
{
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("**************************修改订单**************************");
Console.WriteLine(" 1.通过流水号定位到订单 2.返回主页");
int choose = 1;
Choose(ref choose, 1, 2);
if (choose == 1)
{
int flag = -1; //通过流水号查找的判断falg，-1无，其他值则表示位置
Console.Write("请输入流水号（格式：2018-1-1-1）：");
flag = OrderService.LocatedOrder(Console.ReadLine()); //通过流水号查找的判断falg
if (flag != -1) //查找到
{
while (true)
{
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("----------------订单如上，选择要修改的内容--------------");
Console.WriteLine(" 1.客户名称 2.商品 3.返回修改订单页 ");
int choice = 1;
Choose(ref choice, 1, 3);
bool success = false;
if (choice == 1) //修改客户名称
{
Console.Write("请输入新的客户名称：");
string clientName = Console.ReadLine();
OrderService.ChangeOrderClientName(flag, clientName);
success = true;
}
if (choice == 2) //修改商品
{
while (true)
{
try
{
Console.Write("-------请输入商品编号(从上到下，从1开始编号）：");
int num = int.Parse(Console.ReadLine()) - 1;
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("----------------选择修改商品的哪个属性----------------");
Console.WriteLine("1.商品名称2.商品价格3.商品价格4.返回选择要修改的内容页 ");
int which = 0;
Choose(ref which, 1, 4);
if (which == 1)
{
Console.Write("请输入商品新名称：");
string productName = Console.ReadLine();
success = OrderService.ChangeOrderProduct(flag, num, productName);
}
if (which == 2)
{
Console.Write("请输入商品新单价：");
float productPrice = float.Parse(Console.ReadLine());
success = OrderService.ChangeOrderProduct(flag, num, productPrice);
}
if (which == 3)
{
Console.Write("请输入商品新数目：");
int productNum = int.Parse(Console.ReadLine());
success = OrderService.ChangeOrderProductNum(flag, num, productNum);
}
else
{
break;
}
if (success)
{
Console.WriteLine();
Console.WriteLine();
Console.Write("修改成功！");
}
else
{
Console.WriteLine();
Console.WriteLine();
Console.Write("修改失败！");
}
}
catch (Exception e)
{
Console.WriteLine();
Console.WriteLine();
Console.WriteLine(e.Message);
Console.WriteLine("失败，请重试！");
}
}
}
if (choice == 3)
{
break;
}
if (success)
{
Console.WriteLine();
Console.WriteLine();
Console.Write("修改成功！");
}
else
{
Console.WriteLine();
Console.WriteLine();
Console.Write("修改失败！");
}
}
}
else
{
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("无此订单！");
}
}
if (choose == 2)
{
return; //返回主页
}
}
catch (Exception e)
{
Console.WriteLine();
Console.WriteLine();
Console.WriteLine(e.Message);
Console.WriteLine("失败，请重试！");
}
}
}
