static void Main(string[] args)
{
OrderService.AddOrder(201701, "裤子", "李华"); //添加订单
OrderService.InquiryOrder(201701); //查询订单
OrderService.AddOrder(201702, "帽子", "张伟"); //添加订单
OrderService.InquiryOrder(201702); //查询订单
OrderService.AddOrder(201801, "鞋子", "王明"); //添加订单
OrderService.InquiryOrder(201801); //查询订单
OrderService.RemoveOrder(201702); //删除订单
OrderService.AmendOrder(201701, "裤子2", "小李"); //修改订单
OrderService.InquiryOrder(201701);
OrderService.RemoveOrder(124124124); //删除订单失败
OrderService.AmendOrder(2343325, "asdas", "asdasd"); //修改订单失败
OrderService.Export(); //序列化
OrderService.Inport(); //反序列化
OrderService.InquiryOrder(201701);
}