PHP OrderService::getOrderById示例

         $_SESSION['operation_msg'] = "修改采购单:" . $order_number . "成功";
         $log_service->addLog("update", "采购单", $id);
     } else {
         $_SESSION['operation'] = false;
         $_SESSION['operation_msg'] = "修改采购单:" . $order_number . "失败";
     }
     header("Location: ./index.php?mod=order&action=ls");
     break;
 case 'detail':
     if (isset($_GET['did'])) {
         $id = $_GET['did'];
         if (is_numeric($id)) {
             require_once './class/order_service.class.php';
             require_once './class/order.class.php';
             $order_service = new OrderService();
             $order = $order_service->getOrderById($id);
             $order = serialize($order);
             $_SESSION['order'] = $order;
             require_once './order_view_datail.php';
         } else {
             header("Location: ./index.php?mod=order&action=ls");
         }
     } else {
         header("Location: ./index.php?mod=order&action=ls");
     }
     break;
 case 'detail_post':
     $order_id = $_POST['order_id'];
     if (isset($_POST['goods_id'])) {
         $goods_id = $_POST['goods_id'];
         $goods_number = $_POST['goods_number'];