问题描述
使用新的Diggbar，您可以将http://digg.com放在您当前位于的任何URL前面，这将创建一个Digg短URL.我只是假设他们通过modrewrite来做到这一点(尽管我不确定，因为我是新手.)
With the new Diggbar, you can put http://digg.com in front of any URL that you are currently at and it will create a Digg short URL. I am only assuming they do this by modrewrite (though I am not sure since I am new at this all).
这是怎么做的?在我看来，当我在我正在工作的网站上尝试此操作时，它会爆炸.
How is this done? It seems to me when I try this with a website I am working on, it bombs out.
我希望能够执行以下操作:
I want to be able to do the following:
http://example.com/http://stackoverflow.com/question/ask
并进行modrewrite，使它可以转到
and have a modrewrite that will allow this to go to
http://example.com/index.php?url=http://stackoverflow.com/question/ask
但是当我使用此modrewrite时:
But when I use this modrewrite:
RewriteEngine on
RewriteRule ^([A-Za-z0-9]+)$ /message.php?id=$1 [L]
它不起作用.我在做什么错了?
it doesn't work. What am I doing wrong?
推荐答案
您必须从请求行，因为Apache删除了空路径段.最初请求的URI路径/http://foobar/变为/http:/foobar/.但是请求行(THE_REQUEST)保持不变:
You have to take the value from the request line because Apache removes empty path segments. The initially requested URI path /http://foobar/ becomes /http:/foobar/. But the request line (THE_REQUEST) stays untouched:
RewriteCond %{THE_REQUEST} ^GET\ /(https?://[^\s]+)
RewriteRule ^https?:/ index.php?url=%1 [L]
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