dpl57372 2013-04-24 00:18
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Apache mod_rewrite没有将表达式映射到参数

I have a site which uses apache mod_rewrite and has been working for the last 6 months with no error.

I have the following rewrite rule:

RewriteRule ^products/([a-z\-]+)/$ /products.php?category=$1 [NC,L]

Here is the code in my page products.php

$category = $_GET['category'];

if (isset($category)) {
    // do some processing here
}
else {
    header("Location: /500.html");
    exit;
}

An example of a link which hits this rule is /products/lighting-poles/

Does anyone know why the actual rewrite is still occurring but not mapping the ([a-z\-]+) to category=$1?

Extra info

I noticed that the .htaccess file on the host has commented out the line Options +FollowSymLinks so I first tried to re-enable this only to have the site return an apache white screen 500 error.

More from the .htaccess file

<IfModule mod_rewrite.c>
#Options +FollowSymLinks
RewriteEngine On
RewriteBase /

# Add a trailing slash to paths without an extension
RewriteCond %{REQUEST_METHOD} !POST
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_URI} !(\.[a-zA-Z0-9]{1,5}|/)$
RewriteRule ^(.*)$ $1/ [L,R=301]

# other rules including problem rule here

</IfModule>
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  • douwei1921 2013-04-24 02:46
    关注

    This sounds morbidly like a multiviews issue. Multiviews is a content-negotiation thing where if it's turned on, it'll try a few different extra things in the URL-file mapping pipeline to try to find a file that maps to a URL. Here you have a URL like /products/blah, yet, you have a file called products.php, so multiviews might try to map products to /products.php/blah. Thus bypassing the rewrite rule entirely, and you don't see the category parameter.

    Where the options are, try adding:

    Options -Multiviews
    
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