如果文件存在，如何使用 .htaccess 从缓存中静默读取？这可能吗？

发布于 2024-09-24 17:51:56 字数 744 浏览 0 评论 0原文

我有这样的文件结构：

/
/index.php
/test.php

/example/foo/bar/test.php

/cache/index.htm
/cache/test.htm
/cache/foo/bar/test.htm

/cache/* 中的所有内容都是生成的 php 文件的平面文件 (.htm)。

基本上我想做的是这样的 -

用户请求 /index.htm （用户永远不会在他们的网址中看到 .php 即使它是动态创建的）
.htaccess 检查是否 /cache/index.htm 存在。如果是这样，它会从中读取文件。
如果 /cache/index.htm 没有存在，它为index.php提供

另一个示例，

用户请求/example/foo/bar/test.htm
如果/cache/example/foo/bar/test.htm存在，则，如果它不存在，它会从中读取
，向用户显示 /example/foo/bar/test.php （但看不到 .php 扩展名）

这在.htaccess？

谢谢

（顺便说一句，我在其他地方制作了缓存文件。所以不需要即时制作它们）

原文

i have this file structure:

/
/index.php
/test.php

/example/foo/bar/test.php

/cache/index.htm
/cache/test.htm
/cache/foo/bar/test.htm

everything in /cache/* is a flat file (.htm) of the generated php files.

Basically what i want to do is this -

a user requests /index.htm (users
will never see a .php in their url
even if its made on the fly)
.htaccess checks if /cache/index.htm
exists. if so, it reads from that
file.
if /cache/index.htm doesn't
exist, it serves index.php

another example

a user requests /example/foo/bar/test.htm
if /cache/example/foo/bar/test.htm exists, it reads from it
if it doesn't exist, the user is shown /example/foo/bar/test.php (but doesn't see the .php extension)

is this possible at all in .htaccess?

thanks

(btw i make the cache files elsewhere. so no need to making them on the fly)

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云淡月浅 2024-10-01 17:51:56

假设您想要执行的唯一检查是存在检查，则应该可以使用以下 mod_rewrite 规则集：

RewriteEngine On

# Check if a PHP page was requested
RewriteCond %{THE_REQUEST} ^[A-Z]+\s/[^\s]+\.php
# If so, redirect to the non-cache .htm version
RewriteRule ^(.*)\.php$ /$1.htm [R=301,L]

# Check if the file exists in the cache
RewriteCond %{DOCUMENT_ROOT}/cache/$0 -f
# If it does, rewrite to the cache file
RewriteRule ^.*$ /cache/$0 [L]

# Check that the file doesn't exist (we didn't go to the cache)
RewriteCond %{REQUEST_FILENAME} !-f
# Check that the request hasn't been rewritten to the PHP file
RewriteCond %{REQUEST_URI} !\.php$
# If both are true, rewrite to the PHP file
RewriteRule ^(.*)\.htm$ /$1.php

Assuming the only kind of check you want to do is an existence check, it should be possible with the following mod_rewrite rule set:

RewriteEngine On

# Check if a PHP page was requested
RewriteCond %{THE_REQUEST} ^[A-Z]+\s/[^\s]+\.php
# If so, redirect to the non-cache .htm version
RewriteRule ^(.*)\.php$ /$1.htm [R=301,L]

# Check if the file exists in the cache
RewriteCond %{DOCUMENT_ROOT}/cache/$0 -f
# If it does, rewrite to the cache file
RewriteRule ^.*$ /cache/$0 [L]

# Check that the file doesn't exist (we didn't go to the cache)
RewriteCond %{REQUEST_FILENAME} !-f
# Check that the request hasn't been rewritten to the PHP file
RewriteCond %{REQUEST_URI} !\.php$
# If both are true, rewrite to the PHP file
RewriteRule ^(.*)\.htm$ /$1.php

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