public bool Change()
{
Console.WriteLine();
Console.WriteLine("请输入订单号：：");
int orderNumber = int.Parse(Console.ReadLine());
int index = orderService.IsInOrderList(orderNumber);
if (index == -1)
{
throw new OrderException("不存在该订单", 7);
}
Console.WriteLine("请输入订单用户名：");
Client client = new Client(Console.ReadLine());
Order order = new Order(orderNumber, client, DateTime.Now);
bool stop = false;
while (!stop)
{
Console.WriteLine("请输入商品条目，A继续，B停止：");
if (Console.ReadLine() == "A")
{
Console.WriteLine("请输入商品名：");
string merName = Console.ReadLine();
Console.WriteLine("请输入商品价格：");
double merPrice1 = double.Parse(Console.ReadLine());
Merchandise merchandise = new Merchandise(merName, merPrice1);
Console.WriteLine("请输入商品数量：");
int merNum1 = int.Parse(Console.ReadLine());
order.AddOrderItem(new OrderItem(merchandise, merNum1));
}
else
{
stop = true;
}
}
orderService.ChangeOrder(index, order);
return(true);
}
public List <Order> Add() //执行添加操作
{
Console.WriteLine();
Console.WriteLine("请输入订单号：");
int orderNo = int.Parse(Console.ReadLine());
Console.WriteLine("请输入订单用户名：");
Client client = new Client(Console.ReadLine());
Order order = new Order(orderNo, client, DateTime.Now);
bool stop = false;
while (!stop)
{
Console.WriteLine("请输入商品条目，A继续，B停止：");
if (Console.ReadLine() == "A")
{
Console.WriteLine("请输入商品名：");
string merName = Console.ReadLine();
Console.WriteLine("请输入商品价格：");
double merPrice = double.Parse(Console.ReadLine());
Merchandise merchandise = new Merchandise(merName, merPrice);
Console.WriteLine("请输入商品数量：");
int merNum = int.Parse(Console.ReadLine());
order.AddOrderItem(new OrderItem(merchandise, merNum));
}
else
{
stop = true;
}
}
orderService.AddOrder(order);
return(orderService.orderList);
}
public OrderItem(Merchandise merchandise, int num)
{
this.merchandise = merchandise;
this.num = num;
}