$data['item_id'],'obj_id'=>$data['obj_id']); return $this->getList('buyer_payment',$filter); } /** * 获取CostitemByOrderId * @param mixed $order_id ID * @return mixed 返回结果 */ public function getCostitemByOrderId($order_id){ $filter = array('order_id'=>$order_id); return $this->getList('SUM(buyer_payment) as cost_items',$filter); } }