在apache配置中创建变量 [英] Creating variable in apache config

问题描述

我的apache配置如下:

I have an apache config something like below:

RewriteCond %{QUERY_STRING} ^site=(eu|jp|in)$ [NC]
RewriteRule ^/?fetchHomePage.action$ https://example.com/%1? [R=301,L,NC]

RewriteCond %{QUERY_STRING} (?:^|&)site=(eu|jp|in)(?:&|$) [NC]
RewriteRule ^/?fetchFirstPage.action$ https://example.com/firstPage/%1? [R=301,L,NC]

RewriteCond %{QUERY_STRING} (?:^|&)site=(eu|jp|in) [NC]
RewriteRule ^/?fetchSecondPage.action$ https://example.com/secondPage/%1? [R=301,L,NC]

我可以在一些变量中存储(eu | jp | in)"并在所有三个重写规则中重用该变量吗?

Can I store "(eu|jp|in)" in some variable and reuse that variable in all the three rewrite rules?

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推荐答案

(eu|jp|in)实际上是一个正则表达式.您实际上不能将该部分存储在变量中，但是可以使用env变量来避免重复相同的条件:

(eu|jp|in) is actually a regex expression. You can't really store that part in a variable but you can use a env variable to avoid repetition of same conditions as this:

# set env var QS if quesry string has site=(eu|jp|in)
RewriteCond %{QUERY_STRING} (?:^|&)site=(eu|jp|in)(?:&|$) [NC]
RewriteRule ^ - [E=QS:%1]

# now use value stored in QS variable
RewriteCond %{ENV:QS} ^(.+)$
RewriteRule ^/?fetchHomePage\.action$ https://example.com/%1? [R=301,L,NC]

RewriteCond %{ENV:QS} ^(.+)$
RewriteRule ^/?fetchFirstPage\.action$ https://example.com/firstPage/%1? [R=301,L,NC]

RewriteCond %{ENV:QS} ^(.+)$
RewriteRule ^/?fetchSecondPage\.action$ https://example.com/secondPage/%1? [R=301,L,NC]

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