使用 PHP 和 Htaccess 创建动态子域
(1) 根目录.htaccess
此文件重定向http://www.yourwebsite.com 到http://yourwebsite.com 以供主页使用。所有子域重定向到你的网站文件夹
RewriteEngine On
RewriteCond %{HTTP_HOST} ^www.yourwebsite.com
RewriteRule (.*) http://yourwebsite.com/$1 [R=301,L]
RewriteCond %{HTTP_HOST} ^yourwebsite\.com $
RewriteCond %{REQUEST_URI} !^/yourwebsite_folder/
RewriteRule (.*) /yourwebsite_folder/$1
RewriteCond %{HTTP_HOST} ^(^.*)\.yourwebsite.com
RewriteCond %{REQUEST_URI} !^/yourwebsite_folder/
RewriteRule (.*) /yourwebsite_folder/$1
(2) 内部文件夹 .htaccess
此文件正在重写子域 url。
http://yourwebsite.com/index.php?siteName=9lessons
到
http://9lessons.yourwebsite.com
Options +FollowSymLinks
RewriteEngine On
RewriteBase /
RewriteRule ^([aA-zZ])$ index.php?siteName=$1
RewriteCond %{HTTP_HOST} ^(^.*)\.yourwebsite.com
RewriteRule (.*) index.php?siteName=%1
更多 .htaccess 提示:Htaccess File Tutorial and Tips.
index.php
此文件包含简单的 PHP 代码,使用正则表达式验证子域值。
<?php
$siteName='';
if($_GET['siteName'] )
{
$sitePostName=$_GET['siteName'];
$siteNameCheck = preg_match('~^[A-Za-z0-9_]{3,20}$~i', $sitePostName);
if($siteNameCheck)
{
//Do something. Eg: Connect database and validate the siteName.
}
else
{
header("Location: http://yourwebsite.com/404.php");
}
}
?>
//HTML Code
<!DOCTYPE html>
<html>
<head>
<title>Project Title</title>
</head>
<body>
<?php if($siteNameCheck) { ?>
//Home Page
<?php } else { ?>
//Redirect to Subdomain Page.
<?php } ?>
</body>
</html>
无子域文件夹
如果您使用根目录 (htdocs/public_html) 作为项目目录,请使用以下 .htaccess 文件。
Options +FollowSymLinks
RewriteEngine On
RewriteBase /
RewriteCond %{HTTP_HOST} ^www.yourwebsite.com
RewriteRule (.*) http://yourwebsite.com/$1 [R=301,L]
RewriteRule ^([aA-zZ])$ index.php?siteName=$1
RewriteCond %{HTTP_HOST} ^(^.*)\.yourwebsite.com
RewriteRule (.*) index.php?siteName=%1