static void Main(string[] args)
{
Order order1 = new Order("001", "mina", "鞋", 600);
Order order2 = new Order("002", "momo", "猪蹄", 20);
Order order3 = new Order("003", "jyh", "奶茶", 12);
Order order4 = new Order("004", "jyh", "鞋", 622);
Order order5 = new Order("005", "sana", "书", 48);
Order order6 = new Order("006", "sana", "帽子", 100);
OrderService Od = new OrderService();
Od.Add(order1);
Od.Add(order2);
Od.Add(order3);
Od.Add(order4);
Od.Add(order5);
Od.Add(order6);
Console.WriteLine("订单改变前：");
Od.ShowAllOrders();
Console.WriteLine();
Console.WriteLine("搜索005号订单和搜索鞋的订单结果：");
Od.SearchOrderByNumber("005");
Od.SearchOrderByName("鞋");
Console.WriteLine();
Od.ChangeOrder("004", "chae");
Od.DeleteOrderByOrderNumber("006");
Console.WriteLine("订单改变后：");
Od.ShowAllOrders();
Console.WriteLine();
Od.Export();
Console.WriteLine();
Od.Import("s.xml");
Console.ReadKey();
}
