static void ModifyOrder() // 仅提供按照订单号修改该订单状态的功能
{
Order order;
Console.WriteLine("———————修改订单———————");
Console.Write("请输入需修改订单的订单号："); // 订单号唯一
string input = Console.ReadLine();
int orderID = Convert.ToInt32(input);
order = orderService.QueryOrderByID(orderID);
if (order == null) // 找不到
{
Console.WriteLine("没有找到该订单，无法修改！");
Console.WriteLine("——————修改订单失败——————");
return;
}
Console.Write("订单是否已处理？(Y/N)：");
input = Console.ReadLine();
if (input == "Y")
{
orderService.ModifyOrder(order, true);
}
else if (input == "N")
{
orderService.ModifyOrder(order, false);
}
Console.WriteLine("——————修改订单成功——————");
orderService.OutputAllOrders();
}
static void Main(string[] args)
{
OrderService os = new OrderService();
//新建订单操作
Order o1 = new Order(1, new OrderDetails("Coke", "Alan", 3));
Order o2 = new Order(1, new OrderDetails("Coke", "Alan", 3));
Order o3 = new Order(2, "Milk", "Betty", 20);
Order o4 = new Order(3, "Fruit", "Chris", 30);
Order o5 = new Order(4, "Beef", "Chris", 10);
//添加订单操作
Console.WriteLine("o1添加成功：" + os.AddOrder(o1));
Console.WriteLine("o2添加成功：" + os.AddOrder(o2));//重复，返回false
Console.WriteLine("o4添加成功：" + os.AddOrder(o4));
Console.WriteLine("o3添加成功：" + os.AddOrder(o3));
Console.WriteLine("o5添加成功：" + os.AddOrder(o5));
Console.WriteLine("\n\n原始订单");
foreach (Order o in os.orders)
{
//重写了ToString方法
Console.WriteLine(o);
}
//按订单号对订单排序
os.SortOrdersByOrderID();
Console.WriteLine("\n\n按订单号排序后");
//打印当前所有订单，已按订单号排序
foreach (Order o in os.orders)
{
Console.WriteLine(o);
}
//删除订单
Console.WriteLine("\n\no3删除成功：" + os.DeleteOrder(o3.orderID));
Console.WriteLine("删除o3后");
//打印当前所有订单，订单号2的订单已删除
foreach (Order o in os.orders)
{
Console.WriteLine(o);
}
Console.WriteLine("\n\n修改o1后");
//修改订单，将o1的cost改为100，productName改为wine
os.ModifyOrder(o1.orderID, "Wine", o1.orderDetails.customerName, 100);
//打印所有订单，此时o1的cost已经变为100,productName已经变为Wine
foreach (Order o in os.orders)
{
Console.WriteLine(o);
}
Console.WriteLine("\n\n按姓名查找,且按金额递增排序");
//按照顾客姓名查找，也可以按照订单号查找，并且返回按照订单金额排序的结果
var ordersByChris = os.QueryByCustomerName("Chris");
//打印查找结果
foreach (Order o in ordersByChris)
{
Console.WriteLine(o);
}
os.Export("s.xml");
Console.WriteLine("Exported.");
os.Import("s.xml");
Console.WriteLine("Imported.");
foreach (Order o in os.orders)
{
Console.WriteLine(o);
}
}