public function data()
 {
     $limit = $this->request->has('limit') ? $this->request->get('limit') : 10;
     $offset = $this->request->has('offset') ? $this->request->get('offset') : 0;
     $query = new Express();
     $total = $query->count();
     $orders = $query->skip($offset)->take($limit)->get();
     return array('total' => $total, 'rows' => $orders);
 }
 public function create($input)
 {
     $express = new Express();
     $express->name = $input['name'];
     if ($express->save()) {
         return true;
     }
     return new GeneralException(trans('exceptions.backend.article.create_error'));
 }