doushang9172
2018-02-15 20:30
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.htaccess使用无限参数重写规则

I'm having trouble racking my brain around how to create a RewriteRule in .htaccess to accept unlimited perameters for friendly URLs. Right now, my .htaccess file looks like this:

RewriteRule "^category/([a-z0-9-]+)/?$" "category.php?cat1=$1" [NC,L]
RewriteRule "^category/([a-z0-9-]+)/([a-z0-9-]+)/?$" "category.php?cat1=$1&cat2=$2" [NC,L]
RewriteRule "^category/([a-z0-9-]+)/([a-z0-9-]+)/([a-z0-9-]+)/?$" "category.php?cat1=$1&cat2=$2&cat3=$3" [NC,L]

I have this same line repeated about 10 times to accept 10 different categories. Is there an easier way to accomplish this? Thanks in advance for the help!

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我无法解决如何在.htaccess中创建RewriteRule以接受友好URL的无限参数的问题 。 现在,我的.htaccess文件看起来像这样:

  RewriteRule“^ category /([a-z0-9  - ] +)/?$”“category.php?  cat1 = $ 1“[NC,L] 
RewriteRule”^ category /([a-z0-9  - ] +)/([a-z0-9  - ] +)/?$“”category.php?cat1 = $ 1  & cat2 = $ 2“[NC,L] 
RewriteRule”^ category /([a-z0-9  - ] +)/([a-z0-9  - ] +)/([a-z0-9-]  +)/?$“”category.php?cat1 = $ 1& cat2 = $ 2& cat3 = $ 3“[NC,L] 
   
 
 

我有这个 同一行重复约10次,接受10个不同的类别。 有没有更简单的方法来实现这一目标? 在此先感谢您的帮助!

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1条回答 默认 最新

  • dongshi1934 2018-02-15 21:13
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    This is not a direct answer to your question, here is an alternative to using RewriteRule and .htaccess (Which IMO are more a optimal way to achieve what you want).

    Firstly, if at all possible you should favor using your apache server config files over a .htaccess file. There are performance problems as well as potential secuirty problems that arrise from using .htaccess. This is well documented on the internet, so I wont repeat it here, but a quick google search should provide more information.

    Secondly, instead of using RewriteRule, a much more scalable solution is to use FallbackResource and a router file.

    The idea is if there is ever a request to your site which does not match any of the existing files, the request will be handled by your FallbackResource file.

    If in your config (or htaccess) you have

    FallbackResource router.php
    

    and someone makes a request for example.com/category/potato the request will cause the server to serve router.php (this is assuming category/potato is not actually a file on your server)

    So what goes in router.php? Well you cannot serve every request the same page of course, so you inspect the details of the request that was made and then serve the correct content accordingly.

    a very simple (and untested) router:

    $request_uri = $_SERVER['REQUEST_URI']; // eg /category/potato
    
    $path_tokens = explode("/", trim($request_uri, "/"));
    
    if($path_tokens[0] == "category"){
        $category = $path_tokens[1];
        renderCategoryPage($category); // can render the category page for potatoes
    }
    

    This example is just to give you an idea, you will have to design and implement your own, but hopefully you can see how this gives more freedom that some britle rewrite rules.

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