Mod_rewrite：规则集导致奇怪的分割并追加到重写日志中
是什么导致查询字符串被拆分以及什么 导致在第二次运行中附加 /news/50 （作为下一个标志 N 的效果）。
我所追求的行为是将 /about/news/50/ 重写为 /about/news/news-item?post_id=50。 我添加了 N 标志，因为我想将重写的 uri /about/news/news-item?post_id=50 发送到 index.php。
我的 .htaccess 文件中有以下规则：
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule %{REQUEST_FILENAME} !-f
RewriteRule %{REQUEST_FILENAME} !-d
RewriteRule ^about/news/(\d+)/$ /about/news/news-item?post_id=$1 [QSA,N]
RewriteRule ^index\.php$ - [QSA,L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [QSA,L]
</IfModule>
日志条目：
(2) init rewrite engine with requested uri /about/news/50/
(1) pass through /about/news/50/
(3) add path info postfix: /wordpress/about -> /wordpress/about/news/50/
(3) strip per-dir prefix: /wordpress/about/news/50/ -> about/news/50/
(3) applying pattern '%{REQUEST_FILENAME}' to uri 'about/news/50/'
(3) add path info postfix: /wordpress/about -> /wordpress/about/news/50/
(3) strip per-dir prefix: /wordpress/about/news/50/ -> about/news/50/
(3) applying pattern '%{REQUEST_FILENAME}' to uri 'about/news/50/'
(3) add path info postfix: /wordpress/about -> /wordpress/about/news/50/
(3) strip per-dir prefix: /wordpress/about/news/50/ -> about/news/50/
(3) applying pattern '^about/news/(\d+)/$' to uri 'about/news/50/'
(2) rewrite 'about/news/50/' -> '/about/news/news-item?post_id=50'
(3) split uri=/about/news/news-item?post_id=50 -> uri=/about/news/news-item, args=post_id=50
(3) add path info postfix: /about/news/news-item -> /about/news/news-item/news/50/
(3) applying pattern '%{REQUEST_FILENAME}' to uri '/about/news/news-item/news/50/'
(3) add path info postfix: /about/news/news-item -> /about/news/news-item/news/50/
(3) applying pattern '%{REQUEST_FILENAME}' to uri '/about/news/news-item/news/50/'
(3) add path info postfix: /about/news/news-item -> /about/news/news-item/news/50/
(3) applying pattern '^about/news/(\d+)/$' to uri '/about/news/news-item/news/50/'
(3) add path info postfix: /about/news/news-item -> /about/news/news-item/news/50/
(3) applying pattern '^index\.php$' to uri '/about/news/news-item/news/50/'
(3) add path info postfix: /about/news/news-item -> /about/news/news-item/news/50/
(3) applying pattern '.' to uri '/about/news/news-item/news/50/'
(4) RewriteCond: input='/about/news/news-item' pattern='!-f' => matched
(4) RewriteCond: input='/about/news/news-item' pattern='!-d' => matched
(2) rewrite '/about/news/news-item/news/50/' -> '/index.php'
(2) trying to replace prefix /wordpress/ with /
(1) internal redirect with /index.php [INTERNAL REDIRECT]
(2) init rewrite engine with requested uri /index.php
(1) pass through /index.php
(3) strip per-dir prefix: /wordpress/index.php -> index.php
(3) applying pattern '%{REQUEST_FILENAME}' to uri 'index.php'
(3) strip per-dir prefix: /wordpress/index.php -> index.php
(3) applying pattern '%{REQUEST_FILENAME}' to uri 'index.php'
(3) strip per-dir prefix: /wordpress/index.php -> index.php
(3) applying pattern '^about/news/(\d+)/$' to uri 'index.php'
(3) strip per-dir prefix: /wordpress/index.php -> index.php
(3) applying pattern '^index\.php$' to uri 'index.php'
(1) pass through /wordpress/index.php
What causes the querystring to be split out and what
causes /news/50 to be appended in the second run (as an effect of the next flag N).
The behaviour I'm after is to rewrite /about/news/50/ to /about/news/news-item?post_id=50.
I add the N flag since I want to send the rewritten uri /about/news/news-item?post_id=50 to index.php.
I have the following rules in my .htaccess file:
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule %{REQUEST_FILENAME} !-f
RewriteRule %{REQUEST_FILENAME} !-d
RewriteRule ^about/news/(\d+)/$ /about/news/news-item?post_id=$1 [QSA,N]
RewriteRule ^index\.php$ - [QSA,L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [QSA,L]
</IfModule>
The log entries:
(2) init rewrite engine with requested uri /about/news/50/
(1) pass through /about/news/50/
(3) add path info postfix: /wordpress/about -> /wordpress/about/news/50/
(3) strip per-dir prefix: /wordpress/about/news/50/ -> about/news/50/
(3) applying pattern '%{REQUEST_FILENAME}' to uri 'about/news/50/'
(3) add path info postfix: /wordpress/about -> /wordpress/about/news/50/
(3) strip per-dir prefix: /wordpress/about/news/50/ -> about/news/50/
(3) applying pattern '%{REQUEST_FILENAME}' to uri 'about/news/50/'
(3) add path info postfix: /wordpress/about -> /wordpress/about/news/50/
(3) strip per-dir prefix: /wordpress/about/news/50/ -> about/news/50/
(3) applying pattern '^about/news/(\d+)/
to uri 'about/news/50/'
(2) rewrite 'about/news/50/' -> '/about/news/news-item?post_id=50'
(3) split uri=/about/news/news-item?post_id=50 -> uri=/about/news/news-item, args=post_id=50
(3) add path info postfix: /about/news/news-item -> /about/news/news-item/news/50/
(3) applying pattern '%{REQUEST_FILENAME}' to uri '/about/news/news-item/news/50/'
(3) add path info postfix: /about/news/news-item -> /about/news/news-item/news/50/
(3) applying pattern '%{REQUEST_FILENAME}' to uri '/about/news/news-item/news/50/'
(3) add path info postfix: /about/news/news-item -> /about/news/news-item/news/50/
(3) applying pattern '^about/news/(\d+)/
to uri '/about/news/news-item/news/50/'
(3) add path info postfix: /about/news/news-item -> /about/news/news-item/news/50/
(3) applying pattern '^index\.php
to uri '/about/news/news-item/news/50/'
(3) add path info postfix: /about/news/news-item -> /about/news/news-item/news/50/
(3) applying pattern '.' to uri '/about/news/news-item/news/50/'
(4) RewriteCond: input='/about/news/news-item' pattern='!-f' => matched
(4) RewriteCond: input='/about/news/news-item' pattern='!-d' => matched
(2) rewrite '/about/news/news-item/news/50/' -> '/index.php'
(2) trying to replace prefix /wordpress/ with /
(1) internal redirect with /index.php [INTERNAL REDIRECT]
(2) init rewrite engine with requested uri /index.php
(1) pass through /index.php
(3) strip per-dir prefix: /wordpress/index.php -> index.php
(3) applying pattern '%{REQUEST_FILENAME}' to uri 'index.php'
(3) strip per-dir prefix: /wordpress/index.php -> index.php
(3) applying pattern '%{REQUEST_FILENAME}' to uri 'index.php'
(3) strip per-dir prefix: /wordpress/index.php -> index.php
(3) applying pattern '^about/news/(\d+)/
to uri 'index.php'
(3) strip per-dir prefix: /wordpress/index.php -> index.php
(3) applying pattern '^index\.php
to uri 'index.php'
(1) pass through /wordpress/index.php
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如果您重写已删除 PATH_INFO 的 URL 并且不希望重新添加它，请尝试使用 DPI（丢弃 PATH_INFO 标志）。这是每个目录重写编辑的问题
：如果你这样做，因为 wordpress 依赖于 PATH_INFO，你必须实际重写到 /index.php/about/news/... 让下一轮仍然看到 PATH_INFO 。
RewriteRule ^about/news/(\d+)/$ /index.php/about/news/news-item?post_id=$1 [DPI,L]
而不是
RewriteRule ^about/news/(\d+)/$index.php [DPI,L]
Try the DPI (Discard PATH_INFO flag) if you rewrite a URL that had PATH_INFO stripped from it and don't want it added back on. It's a problem with per-directory rewrites
edit: if you do this, since wordpress counts on the PATH_INFO, you'd have to actually rewrite to /index.php/about/news/... to let the next round still see PATH_INFO.
RewriteRule ^about/news/(\d+)/$ /index.php/about/news/news-item?post_id=$1 [DPI,L]
instead of
RewriteRule ^about/news/(\d+)/$ index.php [DPI,L]