使用链接 RewriteRule 中的 RewriteCond 检查文件是否存在
我希望你能在这里帮助我。
我有一个 RewriteRule，它根据域名为您提供一个 crossdomain.xml 文件。我以忽略“.dev”的方式拥有它。中间的字符串，例如：
Request: http://site1.dev.mydomain.com/crossdomain.xml
返回文件：/etc/httpd/conf/crossdomain/site.mydomain.com.xml
RewriteCond %{HTTP_HOST} "^(.*)\.dev\.(.*)"
RewriteCond %{REQUEST_URI} "/crossdomain.xml"
RewriteRule ^(.+) %{HTTP_HOST}$1 [C]
RewriteRule ^(.*)\.dev\.([^/]*)/crossdomain.xml /etc/httpd/conf/crossdomain/$1.$2.xml [L]
问题：如何检查文件是否存在？我尝试将其添加到顶部，但它不起作用：
RewriteCond /etc/httpd/conf/crossdomain/$1.$2.xml -f
我想因为这是一个连锁规则，不知道。请帮忙。
I hope you could help me here.
I have a RewriteRule which gives you a crossdomain.xml file depending on the domain name. I have it in a way that ignores the ".dev." string in the middle, example:
Request: http://site1.dev.mydomain.com/crossdomain.xml
Returns file: /etc/httpd/conf/crossdomain/site.mydomain.com.xml
RewriteCond %{HTTP_HOST} "^(.*)\.dev\.(.*)"
RewriteCond %{REQUEST_URI} "/crossdomain.xml"
RewriteRule ^(.+) %{HTTP_HOST}$1 [C]
RewriteRule ^(.*)\.dev\.([^/]*)/crossdomain.xml /etc/httpd/conf/crossdomain/$1.$2.xml [L]
Question: How do I check if the file exists? I tried adding this on top but it doesn't work:
RewriteCond /etc/httpd/conf/crossdomain/$1.$2.xml -f
I guess because it is a chained rule, no idea. Please help.
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是的，我刚刚找到了解决方法，我所做的不是终止重写并添加另一个重写，该重写仅在第一个应用时才起作用。它检查文件是否不存在，如果存在，则应用进一步重写：
Right, I just found a way around it, what I do is not terminating the Rewrite and add another one which is meant to work only if the first applied. It checks if the file doesn't exists, if so it applies a further rewrite:
我认为这与链接的规则没有任何关系，您只是在与错误的值进行比较。
应该有效。
I don't think it has anything to do with the rule being chained, you're just comparing against the wrong value.
should work.