CodeIgniter 2.1.1 .htaccess 升级后的问题答案

【问题标题】：CodeIgniter 2.1.1 .htaccess issue after upgradeCodeIgniter 2.1.1 .htaccess 升级后的问题
【发布时间】：2012-08-11 10:18:59
【问题描述】：

我已经有一个使用 CodeIgniter 1.7 的客户网站大约 6 年了，没有任何问题。但是，最近我将 CodeIgniter 框架更新到 2.1.1，现在 .htaccess 出现了问题。我已经在日志中确认它没有到达我的控制器，所以我认为这纯粹是一个 .htaccess 问题。

我有几个典型的 URL 模式：

mysite.com/<page name here>, i.e. mysite.com/faq  
mysite.com/admin/<action here>, i.e. mysite.com/admin/login

我的.htaccess 目前是：

RewriteEngine On

RewriteCond %{REQUEST_URI} ^system.*
RewriteRule ^(.*)$ /index.php/$1 [L]

RewriteCond %{REQUEST_URI} ^application.*
RewriteRule ^(.*)$ /index.php/$1 [L]

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/page/id/$1 [L]

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(admin/*)$ index.php/$1 [L]

现在，应该很明显，mysite.com/faq 应该重写为 mysite.com/page/id/faq，但它会抛出 404。

只是去mysite.com成功加载默认控制器，在这种情况下主页或等效于mysite.com/home。所有管理员网址都运行良好。 mysite.com/page/id/<page name here> 也运行良好。

为了比较，在我升级 CodeIgniter 之前已经运行了 6 年的原始 .htaccess 是：

RewriteRule ^((images|styles|scripts|documents)/*.*)$ $1 [L]
RewriteRule ^(admin/*)$ index.php/$1 [L]
RewriteRule ^([a-zA-Z0-9]+)$ page/id/$1
RewriteCond $1 !^(index\.php|robots\.txt|favicon\.ico)
RewriteRule ^(.*)$ index.php/$1 [L]

这个原始的行为与我目前在上面尝试使用的行为完全相同。原文的重写日志如下：

[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/faq -> faq
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'faq'
[rid#1db5120/initial] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='/jb2/faq' pattern='^system.*' => not-matched
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/faq -> faq
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'faq'
[rid#1db5120/initial] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='/jb2/faq' pattern='^application.*' => not-matched
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/faq -> faq
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] applying pattern '^((images|styles|scripts|documents)/*.*)$' to uri 'faq'
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/faq -> faq
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(admin/*)$' to uri 'faq'
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/faq -> faq
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] applying pattern '^([a-zA-Z0-9]+)$' to uri 'faq'
[rid#1db5120/initial] (2) [perdir C:/wamp/www/jb2/] rewrite 'faq' -> 'page/id/faq'
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] add per-dir prefix: page/id/faq -> C:/wamp/www/jb2/page/id/faq
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/page/id/faq -> page/id/faq
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'page/id/faq'
[rid#1db5120/initial] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='page/id/faq' pattern='!^(index\.php|robots\.txt|favicon\.ico)' => matched
[rid#1db5120/initial] (2) [perdir C:/wamp/www/jb2/] rewrite 'page/id/faq' -> 'index.php/page/id/faq'
[rid#1db5120/initial] (3) [perdir C:/wamp/www/jb2/] add per-dir prefix: index.php/page/id/faq -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#1db5120/initial] (2) [perdir C:/wamp/www/jb2/] strip document_root prefix: C:/wamp/www/jb2/index.php/page/id/faq -> /jb2/index.php/page/id/faq
[rid#1db5120/initial] (1) [perdir C:/wamp/www/jb2/] internal redirect with /jb2/index.php/page/id/faq [INTERNAL REDIRECT]
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] add path info postfix: C:/wamp/www/jb2/index.php -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/index.php/page/id/faq -> index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'index.php/page/id/faq'
[rid#4f657d8/initial/redir#1] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='/jb2/index.php/page/id/faq' pattern='^system.*' => not-matched
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] add path info postfix: C:/wamp/www/jb2/index.php -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/index.php/page/id/faq -> index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'index.php/page/id/faq'
[rid#4f657d8/initial/redir#1] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='/jb2/index.php/page/id/faq' pattern='^application.*' => not-matched
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] add path info postfix: C:/wamp/www/jb2/index.php -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/index.php/page/id/faq -> index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] applying pattern '^((images|styles|scripts|documents)/*.*)$' to uri 'index.php/page/id/faq'
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] add path info postfix: C:/wamp/www/jb2/index.php -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/index.php/page/id/faq -> index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(admin/*)$' to uri 'index.php/page/id/faq'
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] add path info postfix: C:/wamp/www/jb2/index.php -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/index.php/page/id/faq -> index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] applying pattern '^([a-zA-Z0-9]+)$' to uri 'index.php/page/id/faq'
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] add path info postfix: C:/wamp/www/jb2/index.php -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/index.php/page/id/faq -> index.php/page/id/faq
[rid#4f657d8/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'index.php/page/id/faq'
[rid#4f657d8/initial/redir#1] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='index.php/page/id/faq' pattern='!^(index\.php|robots\.txt|favicon\.ico)' => not-matched
[rid#4f657d8/initial/redir#1] (1) [perdir C:/wamp/www/jb2/] pass through C:/wamp/www/jb2/index.php

我一直在尝试的当前.htaccess的重写日志是这样的：

[rid#4fb2e70/initial] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/faq -> faq
[rid#4fb2e70/initial] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'faq'
[rid#4fb2e70/initial] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='/jb2/faq' pattern='^system.*' => not-matched
[rid#4fb2e70/initial] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/faq -> faq
[rid#4fb2e70/initial] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'faq'
[rid#4fb2e70/initial] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='/jb2/faq' pattern='^application.*' => not-matched
[rid#4fb2e70/initial] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/faq -> faq
[rid#4fb2e70/initial] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'faq'
[rid#4fb2e70/initial] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='C:/wamp/www/jb2/faq' pattern='!-f' => matched
[rid#4fb2e70/initial] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='C:/wamp/www/jb2/faq' pattern='!-d' => matched
[rid#4fb2e70/initial] (2) [perdir C:/wamp/www/jb2/] rewrite 'faq' -> 'index.php/page/id/faq'
[rid#4fb2e70/initial] (3) [perdir C:/wamp/www/jb2/] add per-dir prefix: index.php/page/id/faq -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#4fb2e70/initial] (2) [perdir C:/wamp/www/jb2/] strip document_root prefix: C:/wamp/www/jb2/index.php/page/id/faq -> /jb2/index.php/page/id/faq
[rid#4fb2e70/initial] (1) [perdir C:/wamp/www/jb2/] internal redirect with /jb2/index.php/page/id/faq [INTERNAL REDIRECT]
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] add path info postfix: C:/wamp/www/jb2/index.php -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/index.php/page/id/faq -> index.php/page/id/faq
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'index.php/page/id/faq'
[rid#1da50a0/initial/redir#1] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='/jb2/index.php/page/id/faq' pattern='^system.*' => not-matched
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] add path info postfix: C:/wamp/www/jb2/index.php -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/index.php/page/id/faq -> index.php/page/id/faq
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'index.php/page/id/faq'
[rid#1da50a0/initial/redir#1] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='/jb2/index.php/page/id/faq' pattern='^application.*' => not-matched
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] add path info postfix: C:/wamp/www/jb2/index.php -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/index.php/page/id/faq -> index.php/page/id/faq
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(.*)$' to uri 'index.php/page/id/faq'
[rid#1da50a0/initial/redir#1] (4) [perdir C:/wamp/www/jb2/] RewriteCond: input='C:/wamp/www/jb2/index.php' pattern='!-f' => not-matched
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] add path info postfix: C:/wamp/www/jb2/index.php -> C:/wamp/www/jb2/index.php/page/id/faq
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] strip per-dir prefix: C:/wamp/www/jb2/index.php/page/id/faq -> index.php/page/id/faq
[rid#1da50a0/initial/redir#1] (3) [perdir C:/wamp/www/jb2/] applying pattern '^(admin/*)$' to uri 'index.php/page/id/faq'
[rid#1da50a0/initial/redir#1] (1) [perdir C:/wamp/www/jb2/] pass through C:/wamp/www/jb2/index.php

实际的升级过程只是在 CodeIgniter 框架上，并将文件重新组织到单独的 application 和 system 文件夹中，除了升级过程中所需的最小更改之外，我没有触及任何实际的自定义代码过程。

我已经尝试了大约十亿个不同的.htaccess 命令组合，试图让这个东西正常工作，但无法让“正常”页面和管理页面都使用相同的配置正确加载。最终我的问题是，为什么升级 CodeIgniter 会神奇地破坏 URL 重写，但我很乐意让它再次工作。

有人有建议吗？我希望对此有另一种看法。

【问题讨论】：

为什么不使用路由而不是依赖htaccess？你想让我写路线吗（即如果你不知道）
几个小时前我遇到了同样的问题。直接的解决方法是在我解决这个问题之前不要升级。您是否重新定义了 URL 的工作方式？我习惯于 sitename.com/classfilename/method.
@wallyk 是的，大约一年前我尝试升级这个网站并遇到了同样的问题并推迟了升级，但现在除了/<page name> 到/page/id/<page name> 重写之外，我已经完成了所有工作工作，所以我真的很想让这个工作。
@KarmicDice 我的印象是不推荐路线。就像我说的，自从我上次接触该站点已经有好几年了，因为它非常稳定，所以我必须重新访问路线文档并尝试一下，因为这个 .htaccess voodoo 让我感到很痛苦。
Routes vs htaccess 与胖模型瘦控制器 vs 胖控制器瘦模型相同...有争议！但是，如果路由扼杀了 MVC 的复杂性，并不是所有人都会实现它；）使用路由，节省您的时间！ :)

标签： .htaccess codeigniter url-rewriting codeigniter-2

【解决方案1】：

所以我终于得到了另一个论坛的建议。我将$config[‘uri_protocol’] 从AUTO 更改为PATH_INFO，它神奇地起作用了。我确实必须添加一行来处理admin/* URL 格式，所以我最终的.htaccess 是这样的：

RewriteRule ^(admin/*)$ index.php/$1 [L]
RewriteRule ^([a-zA-Z0-9]+)$ page/id/$1
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule ^(.*)$ index.php/$1 [L]

【讨论】：

【解决方案2】：

您的 .htaccess 文件是否在正确的文件夹中？ CodeIgniter 使用了几个 .htaccess 文件，我相信系统和应用程序内部的一个说拒绝所有，而上面的那个有你的规则。

【讨论】：

是的，肯定在根目录下编辑正确的.htaccess。