public OrderItem(Good good, string Detail, uint number)
{
this.Good = good;
this.Detail = Detail;
this.number = number;
}
static void Main(string[] args)
{
Good apple = new Good("Apple", 1);
Good banana = new Good("Banana", 2);
Good catFood = new Good("Cat Food", 3);
Console.WriteLine("商品");
Console.WriteLine(apple.Name);
Console.WriteLine(banana.Name);
Console.WriteLine(catFood.Name);
Console.WriteLine("");
Guest aaron = new Guest("Aaron");
Guest billy = new Guest("Billy");
Guest catherine = new Guest("Catherine");
Console.WriteLine("用户");
Console.WriteLine(aaron);
Console.WriteLine(billy);
Console.WriteLine(catherine);
Console.WriteLine("");
Order order1 = new Order(aaron);
Order order2 = new Order(billy);
Order order3 = new Order(catherine);
order1.AddItem(apple, "None", 1);
order1.AddItem(banana, "fresh!", 2);
order2.AddItem(catFood, "My cat loves it!", 3);
OrderService service = new OrderService();
service.AddOrder(order1);
service.AddOrder(order2);
service.AddOrder(order3);
//用deserialize取代原本的addorder
//service.Import("data.xml");
Console.WriteLine("订单数据库");
service.Display();
Console.WriteLine("");
//方法用Linq语言编写
Console.WriteLine("通过orderid:" + 300001 + " 查找订单");
service.SearchOrderById(300001);
Console.WriteLine("");
//方法用Linq语言编写
Console.WriteLine("通过username:"******" 查找订单");
service.SearchOrderByUsername(billy.Name);
Console.WriteLine("");
//service.DeleteOrderById(3333);
//...可以检验查询异常、删除异常、添加异常等
Console.WriteLine("根据订单价格排列");
service.orderDatabase.Sort(
(Order a, Order b) => { return((int)(a.Price - b.Price)); }
);
service.Display();
Console.WriteLine("");
Console.WriteLine("根据订单号排列");
service.orderDatabase.Sort();
service.Display();
Console.WriteLine("");
service.Export("data.xml");
}
