如何在 htaccess 中将旧 url 重定向到新域 url？

Question

我一直在尝试使用 htaccess 文件将旧 url 重定向到新域 url。带有 301 重定向代码。但是旧的 urls 重定向到同一个新域 urls。我尝试使用以下代码 Htaccess 文件

      ##
      # @package    Joomla
       # @copyright  Copyright (C) 2005 - 2015 Open Source Matters. All rights reserved.
       # @license    GNU General Public License version 2 or later; see LICENSE.txt
##

  ##
   # READ THIS COMPLETELY IF YOU CHOOSE TO USE THIS FILE!
    # 
    # The line just below this section: 'Options +FollowSymLinks' may cause problems
# with some server configurations.  It is required for use of mod_rewrite, but may already
# be set by your server administrator in a way that disallows changing it in
# your .htaccess file.  If using it causes your server to error out, comment it out (add # to
# beginning of line), reload your site in your browser and test your sef url's.  If they work,
# it has been set by your server administrator and you do not need it set here.
##

## No directory listings
   IndexIgnore *

## Can be commented out if causes errors, see notes above.
Options +FollowSymlinks
Options -Indexes

   ## Mod_rewrite in use.

   RewriteEngine On



   RewriteCond %{HTTP_HOST} ^example.com$ [OR]
  RewriteCond %{HTTP_HOST} ^www.example.com$
  RewriteRule (.*)$ http://www.example1.com/ [R=301,L]



   #for http to https
  ##RewriteCond %{HTTPS} !on
   ##RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI}

   #for www 
   ##RewriteCond %{HTTP_HOST} !^www\.
##RewriteRule ^(.*)$ https://www.%{HTTP_HOST}%{REQUEST_URI} [L,R=301]

   # Begin - Rewrite rules to block out some common exploits.
     # If you experience problems on your site block out the 
 operations listed below
# This attempts to block the most common type of exploit `attempts` to Joomla!
#
# Block out any script trying to base64_encode data within the URL.
RewriteCond %{QUERY_STRING} base64_encode[^(]*\([^)]*\) [OR]
# Block out any script that includes a <script> tag in URL.
RewriteCond %{QUERY_STRING} (<|%3C)([^s]*s)+cript.*(>|%3E) [NC,OR]
# Block out any script trying to set a PHP GLOBALS variable via URL.
RewriteCond %{QUERY_STRING} GLOBALS(=|\[|\%[0-9A-Z]{0,2}) [OR]
# Block out any script trying to modify a _REQUEST variable via 
  URL.
   RewriteCond %{QUERY_STRING} _REQUEST(=|\[|\%[0-9A-Z]{0,2})
   # Return 403 Forbidden header and show the content of the root 
    homepage
   RewriteRule .* index.php [F]
   #
 ## End - Rewrite rules to block out some common exploits.

## Begin - Custom redirects
#
# If you need to redirect some pages, or set a canonical non-www to
# www redirect (or vice versa), place that code here. Ensure those
# redirects use the correct RewriteRule syntax and the [R=301,L] flags.
#
## End - Custom redirects

##
# Uncomment following line if your webserver's URL
# is not directly related to physical file paths.
# Update Your Joomla! Directory (just / for root).
##

   # RewriteBase /

  ## Begin - Joomla! core SEF Section.
#
    RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
  #
   # If the requested path and file is not /index.php and the request
# has not already been internally rewritten to the index.php script
RewriteCond %{REQUEST_URI} !^/index\.php
   # and the requested path and file doesn't directly match a physical file
RewriteCond %{REQUEST_FILENAME} !-f
# and the requested path and file doesn't directly match a physical folder
   RewriteCond %{REQUEST_FILENAME} !-d
  # internally rewrite the request to the index.php script
  RewriteRule .* index.php [L]
  #
  ## End - Joomla! core SEF Section.

   Redirect 301 /x-ee-ee/sub-category/ererrre/  
    https://www.example1.com/category/exurl

输出当我输入地址 https://www.example.com/x-ee-ee/sub-category/ererrre/ it is redirecting to https://www.example1.com/x-ee-ee/sub-category/ererrre/

预期输出当我输入地址时 https://www.example.com/x-ee-ee/sub-category/ererrre/ 应该重定向到 https://www.example1.com/category/exurl

Answer 1

 RewriteEngine On



 RewriteCond %{HTTP_HOST} ^example.com$ [OR]
RewriteCond %{HTTP_HOST} ^www.example.com$
RewriteRule (.*)$ http://www.example1.com/ [R=301,L]

   :
   :
   :

Redirect 301 /x-ee-ee/sub-category/ererrre/  
 https://www.example1.com/category/exurl

因为第一条规则将所有内容从 example.com 重定向到 相同的 URL 在 example1.com。请注意，第一条规则重定向到 HTTP，而不是 HTTPS。

您的 Redirect 指令没有执行任何操作。

无论指令在文件中的顺序如何，mod_rewrite 指令（RewriteRule - 第一条规则）在 mod_alias（Redirect - 第二条规则）之前处理).所以简单地改变指令的顺序并没有帮助。

您需要使用 mod_rewrite RewriteRule（不是 mod_alias Redirect）并将指令放在通用指令之前重定向其他所有内容的规则。

这些指令（和您的文件）的性质似乎表明 example.com 和 example1.com 都在此处解析，因此您需要检查请求的 Host 作为规则（Redirect 指令不可能做到的事情）。

例如：

RewriteEngine On

# Redirect "example.com/x-ee-ee/sub-category/ererrre/" (trailing slash)
#  to "https://www.example1.com/category/exurl" (no trailing slash)
RewriteCond %{HTTP_HOST} ^(www\.)?example\.com [NC]
RewriteRule ^x-ee-ee/sub-category/ererrre/$ https://www.example1.com/category/exurl [R=301,L]

# Redirect everything else to the same URL at "example1.com"
RewriteCond %{HTTP_HOST} ^(www\.)?example\.com [NC]
RewriteRule (.*) https://www.example1.com/ [R=301,L]

请注意，RewriteRule 指令的行为与 Redirect 指令并不完全相同。 mod_alias Redirect 指令是前缀匹配并将匹配后的所有内容复制到目标 URL 的末尾 - 但我假设您不希望出现这种情况，因为您的尾部斜杠不匹配会导致格式错误的重定向。

另请注意，与 RewriteRule 模式匹配的 URL 路径不是以斜杠，与 Redirect 指令不同。

如果 example.com 和 example1.com 确实指向不同的主机，那么您可以删除前面检查 HTTP_HOST 的 RewriteCond 指令。但如果是这种情况，那么您也可以删除大部分其他指令，因为它们不会做任何事情。

您需要在测试前清除浏览器缓存，因为错误的 301（永久）重定向将被缓存。首先使用 302（临时）重定向进行测试以避免缓存问题。

更新#1：

how to rewrite this url RewriteRule ^index.php?option=com_content&view=article&id=478&catid=16$ https://www.example1.com/checking/debit-cards [R=301,L]

我假设你的意思是“重定向”。 RewriteRule 模式仅匹配 URL 路径。为了匹配 URL 的查询字符串部分，您需要使用额外的条件并匹配 QUERY_STRING 服务器变量。

例如：

RewriteCond %{HTTP_HOST} ^(www\.)?example\.com [NC]
RewriteCond %{QUERY_STRING} =option=com_content&view=article&id=478&catid=16
RewriteRule ^index\.php$ https://www.example1.com/checking/debit-cards [QSD,R=301,L]

CondPattern 上的 = 前缀（即 =option=com_content&view....）将其视为完全匹配字符串比较，而不是正则表达式。

UPDATE#2: 需要 QSD 标志来丢弃重定向响应中的原始查询字符串。

UPDATE#3: Also i would like to redirect RewriteRule ^/images/docs/ATM-Dispute-Form.pdf$ https://www.example1.com/tools/security-center [R=301,L]

如上所述，“与RewriteRule 模式匹配的URL-路径不以斜杠开头”，所以应该这样写:

RewriteRule ^images/docs/ATM-Dispute-Form\.pdf$ https://www.example1.com/tools/security-center [R=301,L]

不要忘记在 RewriteRule 模式

中反斜杠转义文字点

Also can i access backend of old domain url www.example.com/administrator/index.php?SecureJscadmin=xxx we need to keep alive this url alone in old domain

您可以尝试向重定向其他所有内容的最后一条规则添加例外。例如：

# Redirect everything else to the same URL at "example1.com"
# EXCEPT "/administrator/index.php?SecureJscadmin=xxx"
RewriteCond %{REQUEST_URI} !^administrator/index\.php$ [OR]
RewriteCond %{QUERY_STRING} !^SecureJscadmin= 
RewriteCond %{HTTP_HOST} ^(www\.)?example\.com [NC]
RewriteRule (.*) https://www.example1.com/ [R=301,L]

CondPattern上的!前缀对表达式求反，所以不匹配就成功了。

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