php - Htaccess subdomain redirection

Question

Is it possible to do this type redirection by .htaccess only:

from: http://domain.com/directory.php?ref=sub to: http://sub.domain.com/directory.php

If not, what do I need for that?

Answer 1

检查教程

http://blog.gwebtools.com/apache-htaccess-subdomain-redirect-rules/

RewriteEngine On 
RewriteBase / 
RewriteCond %{HTTP_HOST} ^(www\.)?domain\.com 
RewriteCond %{REQUEST_FILENAME} !-d 
RewriteCond %{REQUEST_FILENAME} !-f 
RewriteRule ([a-z0-9-]+)/? http://$1.domain.com [R=301,NC,L]

用您的域名替换“domain.com”的两个实例。