WordPress换域名的301跳转方法

# BEGIN WordPress
<IfModule mod_rewrite.c>
Options +FollowSymLinks
RewriteEngine on
rewritecond %{http_host} ^www.zmsqw.com [nc]
rewriterule ^(.*)$ http://www.shidehui.com/$1 [L,R=301]
</IfModule>
# END WordPress

if (strtolower($_SERVER['SERVER_NAME'])!='shidehui.com')
{
$URIRedirect=$_SERVER['REQUEST_URI'];
if(strtolower($URIRedirect)=="/index.php")
{
$URIRedirect="/";
}
header('HTTP/1.1 301 Moved Permanently');
header('Location:http://shidehui.com'.$URIRedirect);
exit();
}