将非 www 重定向到 .htaccess 中的 www [英] Redirect non-www to www in .htaccess

问题描述

我的 .htaccess 文件中有这个:

I have this in my .htaccess file:

RewriteCond %{HTTP_HOST} ^example.com$
RewriteRule (.*) http://www.example.com$1 [R=301,L]

但是每当我访问根目录上的文件时，例如 http://example.com/robots.txt 它将重定向到 http://www.example.comrobots.txt/.

but whenever I access a file on my root like http://example.com/robots.txt it will redirect to http://www.example.comrobots.txt/.

如何更正此问题以使其正确重定向到 http://www.example.com/robots.txt?

How can I correct this so that it will redirect correctly to http://www.example.com/robots.txt?

推荐答案

将您的配置更改为此(添加斜杠):

Change your configuration to this (add a slash):

RewriteCond %{HTTP_HOST} ^example.com$ [NC]
RewriteRule (.*) http://www.example.com/$1 [R=301,L] 

或者下面列出的解决方案(由 @absiddiqueLive) 适用于任何域:

Or the solution outlined below (proposed by @absiddiqueLive) will work for any domain:

RewriteEngine On
RewriteCond %{HTTP_HOST} !^www. [NC]
RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L]

如果您需要支持 http 和 https 并保留协议选择，请尝试以下操作:

If you need to support http and https and preserve the protocol choice try the following:

RewriteRule ^login$ https://www.%{HTTP_HOST}/login [R=301,L]

将 login 替换为 checkout.php 或支持 HTTPS 所需的任何 URL.

Where you replace login with checkout.php or whatever URL you need to support HTTPS on.

不过，我认为这是一个坏主意.对于推理请阅读此答案.

I'd argue this is a bad idea though. For the reasoning please read this answer.

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