如何在.htaccess中移除文件扩展名后的斜杠与反斜杠？

Hey there, I totally get why this is frustrating—let's get this sorted out quickly!

Why the styles break #

When you add a trailing / or \ to about.php (making it about.php/ or about.php\), your browser treats about.php/ like a directory instead of a file. That means any relative paths in your HTML (like css/style.css or js/script.js) will try to load from about.php/css/style.css instead of the root directory, which is why your styles and layout fall apart.

The .htaccess solution #

Add these rules to your .htaccess file in the root of your website to automatically remove those trailing slashes/backslashes and redirect users to the correct URL:

# Enable URL rewriting
RewriteEngine On

# Remove trailing forward slashes after .php files
RewriteRule ^(.+\.php)/+$ $1 [R=301,L,NC]

# Remove trailing backslashes after .php files
RewriteRule ^(.+\.php)\\+$ $1 [R=301,L,NC]

What each part does: #

• RewriteEngine On: Turns on Apache's rewrite module (required for these rules to work).
• R=301: Sends a permanent redirect, which is good for SEO and ensures browsers cache the correct URL.
• L: Stops processing further rules once this one matches, so we don't run into conflicts.
• NC: Makes the rule case-insensitive (covers edge cases like ABOUT.PHP/ if that ever comes up).
• The regex patterns target any PHP file followed by one or more trailing slashes/backslashes, and redirect to the same file without those extra characters.

Quick checks: #

• Make sure your Apache server has mod_rewrite enabled (most hosts have this on by default, but if not, you might need to ask your hosting provider or enable it in your server config).
• Ensure your site's directory allows .htaccess overrides (your server config should have AllowOverride All set for the directory).

Once you add these rules, visiting www.domain.com/about.php/ or www.domain.com/about.php\ will automatically redirect to www.domain.com/about.php, and your styles will load correctly again.

内容的提问来源于stack exchange，提问作者Ian