/** * 存储小文件文件到集群(2M以内的文件) * * @param string $fileBytes * @param string $fileName * @return string */ public function uploadFile($fileBytes, $fileName) { $fileBytes = base64_decode($fileBytes); $rst = $this->_model->storeBytesToGridFS($fileBytes, $fileName, array('collection_id' => $this->_collection_id, 'project_id' => $this->_project_id)); return $this->result($rst); }