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(); }