$cfg_dbuser = 'root';
$cfg_dbpwd = 'root';
$cfg_dbname = 'flow';
$filename = $cfg_dbname . date("YmdHis").".sql";
// 所保存的文件名
$tmpFile = (dirname(__FILE__))."/".$filename;
exec(" /usr/local/mysql/bin/mysqldump -u$cfg_dbuser -p$cfg_dbpwd $cfg_dbname > ".$tmpFile);
echo $tmpFile;
转载于:https://my.oschina.net/sikou/blog/792124