本篇文章为大家展示了如何在apache中利用.htcaccess文件做动态二级域名解析，内容简明扼要并且容易理解，绝对能使你眼前一亮，通过这篇文章的详细介绍希望你能有所收获。
代码如下:
AuthName "yousite Website Coming Soon..." //如果你想给你的网站加个权限访问
AuthType Basic
AuthUserFile D:/xxx/.htpasswd #如果你想设置密码访问 如何生成.htpasswd可以访问 http://www.htaccesstools.com/htpasswd-generator/
#AuthGroupFile /dev/null
require valid-user
RewriteEngine On
RewriteBase /
#Removes access to the system folder by users.
#Additionally this will allow you to create a System.php controller,
#previously this would not have been possible.
#'system' can be replaced if you have renamed your system folder.
RewriteCond %{REQUEST_URI} ^system.*
RewriteRule ^(.*)$ /index.php?/$1 [L]
#When your application folder isn't in the system folder
#This snippet prevents user access to the application folder
#Submitted by: Fabdrol
#Rename 'application' to your applications folder name.
RewriteCond %{REQUEST_URI} ^application.*
RewriteRule ^(.*)$ /index.php?/$1 [L]
# Redirect to boutique (with any trailing path)
RewriteCond %{HTTP_HOST} !^www. [NC]
RewriteCond %{HTTP_HOST} ^([^.]+).yousite.com(.*)$ [NC]
RewriteRule ^(.*)$ /tupian/20230522/$1$2 [P,L]
# Redirect to boutique (with any trailing path)
RewriteCond %{HTTP_HOST} !^www. [NC]
RewriteCond %{HTTP_HOST} ^([^.]+).yousite.com(.*)$ [NC]
RewriteRule ^(.*)$ /tupian/20230522/$1 [R=301,L]
## Otherwise, force www;
RewriteCond %{HTTP_HOST} ^yousite.com$ [NC]
RewriteRule ^(.*)$ /tupian/20230522/$1 [R=301,L]
#Checks to see if the user is attempting to access a valid file,
#such as an image or css document, if this isn't true it sends the
#request to index.php
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L]
# If we don't have mod_rewrite installed, all 404's
# can be sent to index.php, and everything works as normal.
# Submitted by: ElliotHaughin
ErrorDocument 404 /index.php
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