static void Main(string[] args)
{
Console.WriteLine("欢迎使用订单管理系统！");
bool quit = false;
bool success = false;
int id = 1;
int customerID;
Order order;
string fileName = "orders.xml";
while (!quit)
{
Console.WriteLine("请选择服务：\n1.添加订单\t2.更改订单\t3.删除订单\t4.查询订单" +
"\t5.显示订单\t6.导出订单\t7.导入订单\t0.退出");
int service = Convert.ToInt32(Console.ReadLine());
switch (service)
{
case 1:
Console.WriteLine("请输入客户名：");
string customerName = Console.ReadLine();
Console.WriteLine("请输入地址：");
string address = Console.ReadLine();
customerID = Math.Abs(customerName.GetHashCode());
order = new Order(id, address, customerName, customerID);
id++;
bool back = false;
while (!back)
{
Console.WriteLine("请输入货物名称,或输入back返回:");
string name = Console.ReadLine();
if (name == "back")
{
back = true;
break;
}
Console.WriteLine("请输入货物单价:");
double price = Convert.ToDouble(Console.ReadLine());
OrderItem item = new OrderItem(name, price);
order.AddItem(item);
}
success = orderService.AddOrder(order);
if (success)
{
Console.WriteLine("添加成功!");
break;
}
Console.WriteLine("添加失败!");
break;
case 2:
Console.WriteLine("请输入订单编号:");
int currentID = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("请输入新客户名：");
string newCustomerName = Console.ReadLine();
Console.WriteLine("请输入新地址:");
string newAddress = Console.ReadLine();
foreach (Order o in orderService.orders)
{
if (o.ID == currentID)
{
order = new Order(currentID, newAddress, newCustomerName, o.CustomerID);
success = orderService.UpdateOrder(order);
break;
}
}
if (success)
{
Console.WriteLine("修改成功!");
break;
}
Console.WriteLine("修改失败!");
break;
case 3:
Console.WriteLine("请输入订单编号:");
currentID = Convert.ToInt32(Console.ReadLine());
foreach (Order o in orderService.orders)
{
if (o.ID == currentID)
{
order = new Order(currentID, o.Address, o.CustomerName, o.CustomerID);
success = orderService.DeleteOrder(order);
}
}
if (success)
{
Console.WriteLine("删除成功!");
break;
}
Console.WriteLine("删除失败!");
break;
case 4:
Console.WriteLine("按什么查询:\n1.订单号\t2.客户ID\t3.客户名\t4.物品名\t0.返回");
int method = Convert.ToInt32(Console.ReadLine());
if (method == 0)
{
break;
}
Console.WriteLine("输入要查询的内容");
string query = Console.ReadLine();
List <Order> list = orderService.QueryBy(method, query);
if (list == null)
{
Console.WriteLine("未查询到指定项目");
break;
}
foreach (Order o in list)
{
Console.WriteLine(o);
}
break;
case 5:
Console.WriteLine("按什么排序:\n1.客户名\t2.客户ID\t3.时间 \t4.订单号");
method = Convert.ToInt32(Console.ReadLine());
list = orderService.SortBy(method);
foreach (Order o in list)
{
Console.WriteLine(o);
}
break;
case 6:
Console.WriteLine("输入文件名:");
fileName = Console.ReadLine() + ".xml";
orderService.Export(fileName);
Console.WriteLine("文件内容:");
Console.WriteLine(File.ReadAllText(fileName));
break;
case 7:
Console.WriteLine("输入文件名:");
fileName = Console.ReadLine() + ".xml";
list = orderService.Import(fileName);
foreach (Order o in list)
{
Console.WriteLine(o);
}
break;
case 0:
quit = true;
break;
}
}
}
