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mysqlbackup.php:
<?php //备份mysql set_time_limit(0); date_default_timezone_set('PRC'); //配置 $configs = array( 'host1'=>array( 'localhost', 'root', 'password', array(),//为空备份全部数据库,否则备份这些数据库 'D:/xampp/mysql/bin/mysqldump', //备份工具 dirname(__FILE__)."/localhost",//目录加主机名 5,//删除前5天的SQL文件 ),); foreach($configs as $config) { backup($config); } function backup($config) { list($host, $username, $password, $databases, $backuptool, $backupdir, $day) = $config; $command = "$backuptool -u $username -h $host -p$password %s > %s"; $logsfile = $backupdir.'/'.date('ymd').'.log'; $backfilename = $backupdir.'/'.date('Ymd')."%s.sql"; //备份的SQL文件,以数据库命名 if(!is_dir($backupdir)) { mkdir($backupdir, 0755 , true); } //删除前十天的备份文件 get_dir_files($backupdir, $returnval); if($returnval) { foreach($returnval as $v) { $time = filemtime($v); if($time open($zipname, ZIPARCHIVE::OVERWRITE) === true) { $zip->addFile($outputfile, $filename.'.'.pathinfo($outputfile,PATHINFO_EXTENSION)); $zip->close(); }else { throw new Exception('ZipArchive open error!'); } $resource = file_get_contents($zipname); file_put_contents($backupdir.'/'.$zipname, $resource); unlink($zipname); unlink($outputfile); $message = date('Y-m-d H:i:s')."$database backup complete!/r/n"; logs($logsfile, $message); } }catch(Exception $e) { $message = date('Y-m-d H:i:s').$e->getLine().' '.$e->getMessage()."/r/n"; logs($logsfile, $message); } } } function getdatabases($host, $username, $password) { $databases = array(); try { $mysqli = new Mysqli($host, $username, $password); $result = $mysqli->query("show databases"); if($result) { while($row = $result->fetch_row()) { (current($row)!='information_schema' && current($row)!='mysql' && current($row)!='performance_schema') && $databases[] = current($row); } $result->free_result(); } $mysqli->close(); }catch(Exception $e) { $message = date('Y-m-d H:i:s').$e->getLine().' '.$e->getMessage()."/r/n"; logs($logsfile, $message); } return $databases; } function logs($file, $contents) { $dirname = dirname($file); try { if(!is_dir(dirname($file)) || !is_writeable(dirname($file))) { throw new Exception("file is not direcotory or file can't write"); } file_put_contents($file, $contents, FILE_APPEND); }catch(Exception $e) { $message = date('Y-m-d H:i:s').$e->getLine.' '.$e->getMessage()."/r/n"; logs($logfile, $message); } } //获取当前目录下的文件(不包含子文件夹) function get_dir_files($currPath, &$returnVal=array()) { if(is_dir($currPath)) { $currPath = (substr($currPath,-1,1)=='/')?substr($currPath,0,strlen($currPath)-1):$currPath; if($handler = opendir($currPath)) { while(($fileName = readdir($handler)) !== false) { if($fileName != '.' && $fileName != '..' && $fileName[0] != '.') { if(is_file($currPath . '/' . $fileName)) { $returnVal[] = $currPath . '/' . $fileName; } } } closedir($handler); } } }?>
mysqlbackup.bat:
D:/xampp/php/php.exe -q D:/wamp/www/php_lib/basic/mysqlbackup.phppause;
linux系统shell备份MySQL:
#!/bin/sh# sed -i 's/^M//g' /home/taskschd/backup.sh#注意:^M的输入方式是 Ctrl + v ,然后Ctrl + Mdbs=(test)ROOT_DIR=/home/backup/for dbname in ${dbs[@]} do#备份数据BACKUP_DIR=$ROOT_DIR$dbname'_'$(date +%Y%m%d).sql/usr/local/mysql/bin/mysqldump --opt -uroot -pabc $dbname > $BACKUP_DIR#删除三天前数据delete_file=$dbname'_'$(date -d "-5 day" "+%Y%m%d")'.sql'rm $ROOT_DIR$delete_file done
另为一篇shell备份mysql脚本:http://www.cnblogs.com/luoyunshu/p/3435378.html