/** * 更新文件meta信息 * @param string $file_path * @param string $meta_key * @param string $meta_value */ public static function updateFileMeta($file_path, $meta_key, $meta_value) { $meta_value = CUtils::real_escape_string($meta_value); $sql = "UPDATE " . DB_PREFIX . "_file_metas "; $sql .= "SET meta_value = '{$meta_value}', updated_at = now() "; $sql .= "WHERE file_path=\"{$file_path}\" AND meta_key=\"{$meta_key}\""; $db_manager = MDbManager::getInstance(); return $db_manager->updateDb($sql); }