where(['file_name' => $fileName])->value('file_id'); } /** * 查询文件id * @param $fileId * @return mixed */ public static function getFileName($fileId) { return (new static)->where(['file_id' => $fileId])->value('file_name'); } /** * 添加新记录 * @param $data * @return false|int */ public function add($data) { $data['wxapp_id'] = self::$wxapp_id; return $this->save($data); } }