Mysql数据库连接脚本

<?php$arguments = getopt("d:");／／命令行配置选择的库名$dbname = $arguments['d'] ? $arguments['d'] : 'mydbname';／／若未传库名则默认选择mydbname库$dbhost = '127.0.0.1';$dbport = '3306';$dbuser = 'root';$dbpsw = 'mypsw';@$link = mysql_connect($dbhost.':'.$dbport, $dbuser, $dbpsw);if (!$link) {die('Could not connect: '.mysql_error());}echo 'Connected to dbhost '.$dbhost.' successfully'."\r\n";mysql_select_db ($dbname, $link) or die ('Can\'t use '.$dbname.' : '.mysql_error());echo 'Selected database '.$dbname.' successfully'."\r\n";mysql_close($link);?>