1、例如：重定向scjdsj.com到www.scjdsj.com
具体操作代码如下：
RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_HOST} !scjdsj.com$ [NC]
RewriteRule ^(.*)$ http://www.scjdsj.com/$1 [L,R=301]
1、例如：重定向scjdsj.com到www.scjdsj.com
具体操作代码如下：
RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_HOST} !scjdsj.com$ [NC]
RewriteRule ^(.*)$ http://www.scjdsj.com/$1 [L,R=301]