301重定向 .htaccess
即将过期域名olddomain.com，启用新域名newdomain.com，目录结构不变。htaccess文件传至网站根目录，属性777.
Options +FollowSymLinks
RewriteEngine On
RewriteCond %{HTTP_HOST} ^olddomain.com [NC,OR]
RewriteCond %{HTTP_HOST} ^www.olddomain.com [NC]
RewriteRule ^(.*)$ http://www.newdomain.com/$1 [L,R=301]