.htaccess 重写问题

Question

要么我真的需要回到课桌，要么发生了一些奇怪的事情。

以下内容不起作用，因为无法解析真实的物理文件和目录：

<IfModule mod_rewrite.c>
  Options +FollowSymLinks
  RewriteEngine on
  RewriteBase /
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-l

  # The following rule must not affect real physical files, but does
  RewriteRule ^(img/.*)$ http://old.site.com/$1 [L,R=301]

  RewriteRule .* index.php [L]
</IfModule>

但是，这段代码可以正常工作并解析真实的文件和文件夹：

<IfModule mod_rewrite.c>
  Options +FollowSymLinks
  RewriteEngine on
  RewriteBase /
  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-l

  RewriteRule ^(img/.*)$ http://old.site.com/$1 [L,R=301]

  RewriteCond %{REQUEST_FILENAME} !-d
  RewriteCond %{REQUEST_FILENAME} !-f
  RewriteCond %{REQUEST_FILENAME} !-l

  RewriteRule .* index.php [L]
</IfModule>

我真的需要在每个 RewriteRule 之前都有一个新的 RewriteCond 吗？

Answer 1

RewriteCond 仅适用于下一个 RewriteRule。所以是的，在你的情况下，你需要一个 RewriteCond 在每个 RewriteRule 之前。

但好消息是它是可以避免的。

如果你想避免编写这些多个 RewriteCond，你可以这样做：

## If the request is for a valid directory
RewriteCond %{REQUEST_FILENAME} -d [OR]
## If the request is for a valid file
RewriteCond %{REQUEST_FILENAME} -f [OR]
## If the request is for a valid link
RewriteCond %{REQUEST_FILENAME} -l
## don't do anything
RewriteRule ^ - [L]

RewriteRule ^(img/.*)$ http://old.site.com/$1 [L,R=301]

RewriteRule .* index.php [L]

Answer 2

是的。

您不能基于一个（一组）RewriteConds 拥有两个 RewriteRules。

来自manual的一些引用：

Each rule can have an unlimited number of attached rule conditions...

One or more RewriteCond can precede a RewriteRule directive...

The RewriteRule directive [...] can occur more than once, with each instance defining a single rewrite rule...