/** * 将当天之前的数据归档到logs文件夹 * @since 2 * @param string $log_dir 日志保存目录路径 * @return boolean */ public function files($log_dir) { $re = false; $sql = 'SELECT `id`,`log_date`,`log_ip`,`log_message` FROM `' . $this->table_name . '` ORDER BY `log_date` ASC LIMIT ?,30'; $sth = $this->db->prepare($sql); $limit_page = 0; //遍历数据表,将记录按照时间顺序保存到文件 do { $sth->bindParam(1, $limit_page, PDO::PARAM_INT); $sth->execute(); $res = $sth->fetchAll(PDO::FETCH_ASSOC); if (is_array($res) && count($res) > 0) { foreach ($res as $k => $v) { $date_ym = substr($v['log_date'], 0, 4) . substr($v['log_date'], 5, 2); $date_d = substr($v['log_date'], 8, 2); $log_file_dir = $log_dir . DS . $date_ym; if (core_file::new_dir($log_file_dir) == false) { return $re; } $log_file = $log_file_dir . DS . $date_d . '.log'; $log_message = $v['log_date'] . "\t" . $v['log_ip'] . "\t" . $v['log_message'] . "\r\n"; if (core_file::edit_file($log_file, $log_message, true) == false) { return $re; } } } $limit_page++; } while (is_array($res) && count($res) > 0); //清空日志数据表 $sql_trash = 'TRUNCATE TABLE `' . $this->table_name . '`'; if ($this->db->exec($sql_trash) == true) { $re = true; } return $re; }