1、新建一个php跳转文件,放在网站根目录 如:jumpurl.php <?php $currUrl = $_SERVER['QUERY_STRING']; $newUrl = str_replace('old.com', 'new.com', $currUrl); header('Location:http://'.$newUrl); ?> 2、修改.htaccess文件 RewriteEngine on RewriteCond % !^$ RewriteCond %{HTTP_HOST} ^([\w])+\.old\.com([/\w]*) [NC] RewriteRule ^(.*) http://www.new.com/jumpurl.php?%{HTTP_HOST}/$1 [R=301,L] PS:Windows+Apache+Mysql+PHP 其他雷同