static void Main(string[] args)
{
Customer customer1 = new Customer(1, "Jack");
Customer customer2 = new Customer(2, "Mike");
Goods goods1 = new Goods(1, "goods1", 10.0);
Goods goods2 = new Goods(2, "goods2", 20.0);
Goods goods3 = new Goods(3, "goods3", 30.0);
Order order1 = new Order(1, customer1);
order1.AddDetails(new OrderDetails(goods1, 1));
Order order2 = new Order(2, customer2);
order2.AddDetails(new OrderDetails(goods2, 2));
order2.AddDetails(new OrderDetails(goods3, 3));
OrderService orderService = new OrderService();
orderService.AddOrder(order1);
orderService.AddOrder(order2);
Console.WriteLine("按订单号查找订单");
Console.WriteLine(orderService.GetById(1));
Console.WriteLine("查询全部订单");
List <Order> orders = orderService.orderList;
orders.ForEach(o => Console.WriteLine(o));
Console.WriteLine("按商品名查找订单（如goods1）");
orders = orderService.QueryByGoodsName("goods1");
orders.ForEach(o => Console.WriteLine(o));
Console.WriteLine("按客户名查找订单（如Jack）");
orders = orderService.QueryByCustomerName("Jack");
orders.ForEach(o => Console.WriteLine(o));
Console.WriteLine("按订单金额查找订单（如10）");
orders = orderService.QueryByTotalAmount(10.0);
orders.ForEach(o => Console.WriteLine(o));
Console.WriteLine("删除订单1");
orderService.RemoveOrder(1);
Console.WriteLine("展示删除结果");
orders = orderService.orderList;
orders.ForEach(o => Console.WriteLine(o));
Console.ReadLine();
}
