/// <summary> /// 购物结账并产生销售订单。 /// </summary> /// <param name="customerID">需要结账并生成订单的客户的全局唯一标识。</param> public SalesOrderDataObject Checkout(Guid customerID) { var user = userRepository.GetByKey(customerID); var shoppingCart = shoppingCartRepository.FindShoppingCartByUser(user); var salesOrder = domainService.CreateSalesOrder(user, shoppingCart); return(Mapper.Map <SalesOrder, SalesOrderDataObject>(salesOrder)); }