下面是我的.htaccess文件的一个片段：
Options +FollowSymlinks
RewriteEngine on
RewriteRule spanish-vocabulary-bible http://peppyburro.com/books?bb=spanish-vocabulary-bible [NC,L]
RewriteRule books/svb http://peppyburro.com/books?bb=spanish-vocabulary-bible [NC,L]
#Rewrite rule for spanish vocabulary bible
RewriteRule svb http://peppyburro.com/books?bb=spanish-vocabulary-bible [NC,L]
#Rewrite rule for emails
RewriteRule emails http://peppyburro.com:2082/cpsess5562708231/frontend/paper_lantern/mail/pops.html [NC,L]
在这些规则中，除第二条规则外，所有规则都运行良好。我正在疯狂地想这里可能出了什么问题。我唯一能猜测的是，任何涉及子文件夹结构作为别名的规则（例如books/svb）都不起作用。如果你注意到那些有效的，它们都没有"/"-svb、电子邮件、西班牙语词汇圣经。这意味着什么，还是只是巧合？我已经使用其他几个名称和组合进行了测试，结果是一致的。
更新：基于下面的第一个答案，我将第二次重写改为：
RewriteRule books/svb/?$ http://peppyburro.com/books?bb=spanish-vocabulary-bible [NC,L]
它仍然不起作用。
更新2：我刚刚在第二条规则中将books/svb更改为tome/svb，它起作用了。但这有两个问题：
- 我需要它是书，而不是大部头或其他任何东西
- 重定向是透明的，即在地址栏中显示重定向后的URL；我希望重定向的URL（带有POST数据的URL）被隐藏
根据下面anubhava的请求，这里是我整个.htaccess文件的转储。恐怕很长：
AddDefaultCharset utf-8
<IfModule mod_rewrite.c>
Options +FollowSymlinks
RewriteEngine on
Header set Access-Control-Allow-Origin "*"
<IfModule mod_proxy_http.c>
RewriteCond %{HTTP_USER_AGENT} baiduspider|facebookexternalhit|twitterbot|rogerbot|linkedinbot|embedly|quora link preview|showyoubot|outbrain|pinterest|slackbot|vkShare|W3C_Validator|visionutils|Facebot|Facebook [NC,OR]
RewriteCond %{QUERY_STRING} _escaped_fragment_
# Rewrite all dictionary words to a prerendered dictionary page
RewriteRule ^dictionary/.* http://service.prerender.io/http://www.peppyburro.com/dictionary/ [P,L]
</IfModule>
<IfModule mod_proxy_http.c>
RewriteCond %{HTTP_USER_AGENT} baiduspider|facebookexternalhit|twitterbot|rogerbot|linkedinbot|embedly|quora link preview|showyoubot|outbrain|pinterest|slackbot|vkShare|W3C_Validator|visionutils|Facebot|Facebook [NC,OR]
RewriteCond %{QUERY_STRING} _escaped_fragment_
# Rewrite all dictionary words to a prerendered dictionary page
RewriteRule ^conjugator/.* http://service.prerender.io/http://www.peppyburro.com/conjugator/ [P,L]
</IfModule>
<IfModule mod_proxy_http.c>
RewriteCond %{HTTP_USER_AGENT} baiduspider|facebookexternalhit|twitterbot|rogerbot|linkedinbot|embedly|quora link preview|showyoubot|outbrain|pinterest|slackbot|vkShare|W3C_Validator|visionutils|Facebot|Facebook [NC,OR]
RewriteCond %{QUERY_STRING} _escaped_fragment_
# Only proxy the request to Prerender if it's a request for HTML
RewriteRule ^(?!.*?(.js|.css|.xml|.less|.png|.jpg|.jpeg|.gif|.pdf|.doc|.txt|.ico|.rss|.zip|.mp3|.rar|.exe|.wmv|.doc|.avi|.ppt|.mpg|.mpeg|.tif|.wav|.mov|.psd|.ai|.xls|.mp4|.m4a|.swf|.dat|.dmg|.iso|.flv|.m4v|.torrent|.ttf|.woff))(.*) http://service.prerender.io/http://www.peppyburro.com/$2 [P,L]
</IfModule>
#<FilesMatch ".(pdf|PDF)">
# ForceType application/pdf
# Header set Content-Disposition attachment
#</FilesMatch>
RewriteCond %{HTTP_HOST} !^www. [NC]
RewriteCond %{HTTP_HOST} ^([a-z.]+)$ [NC]
RewriteRule ^(.*)$ http://www.%1/$1 [R=301,L]
#RewriteRule ^/(.*)$ http://www.peppyburro.com/$1 [R=301,L]
RewriteCond %{REQUEST_FILENAME} -s [OR]
RewriteCond %{REQUEST_FILENAME} -l [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^.*$ - [NC,L]
#Rewrite rule for blog feed
RewriteRule feed blogs/feed/burrorss [NC,L]
#Rewrite rule for blog admin (old)
RewriteRule admin blogs/wp-admin [NC,L]
#Rewrite rule for books
RewriteRule spanish-vocabulary-bible http://peppyburro.com/books?bb=spanish-vocabulary-bible [NC,L]
RewriteRule books/svb http://peppyburro.com/books?bb=spanish-vocabulary-bible [NC,L]
#Rewrite rule for spanish vocabulary bible
RewriteRule svb http://peppyburro.com/books?bb=spanish-vocabulary-bible [NC,L]
#Rewrite rule for emails
RewriteRule emails http://peppyburro.com:2082/cpsess5562708231/frontend/paper_lantern/mail/pops.html [NC,L]
RewriteRule ^(.*) /index.php [NC,L]
</IfModule>
# ------------------------------------------------------------------------------
# | Proper MIME types for all files |
# ------------------------------------------------------------------------------
<IfModule mod_mime.c>
# Audio
AddType audio/mp4 m4a f4a f4b
AddType audio/ogg oga ogg
# JavaScript
# Normalize to standard type (it's sniffed in IE anyways):
# http://tools.ietf.org/html/rfc4329#section-7.2
AddType application/javascript js jsonp
AddType application/json json
# Video
AddType video/mp4 mp4 m4v f4v f4p
AddType video/ogg ogv
AddType video/webm webm
AddType video/x-flv flv
# Web fonts
AddType application/font-woff woff
AddType application/vnd.ms-fontobject eot
# Browsers usually ignore the font MIME types and sniff the content,
# however, Chrome shows a warning if other MIME types are used for the
# following fonts.
AddType application/x-font-ttf ttc ttf
AddType font/opentype otf
# Make SVGZ fonts work on iPad:
# https://twitter.com/FontSquirrel/status/14855840545
AddType image/svg+xml svg svgz
AddEncoding gzip svgz
# Other
AddType application/octet-stream safariextz
AddType application/x-chrome-extension crx
AddType application/x-opera-extension oex
AddType application/x-shockwave-flash swf
AddType application/x-web-app-manifest+json webapp
AddType application/x-xpinstall xpi
AddType application/xml atom rdf rss xml
AddType image/webp webp
AddType image/x-icon ico
AddType text/cache-manifest appcache manifest
AddType text/vtt vtt
AddType text/x-component htc
AddType text/x-vcard vcf
</IfModule>
# ------------------------------------------------------------------------------
# | ETag removal |
# ------------------------------------------------------------------------------
# Since we're sending far-future expires headers (see below), ETags can
# be removed: http://developer.yahoo.com/performance/rules.html#etags.
# `FileETag None` is not enough for every server.
<IfModule mod_headers.c>
Header unset ETag
<filesMatch ".(ico|jpe?g|png|gif|swf)$">
Header set Cache-Control "max-age=2592000, public"
</filesMatch>
<filesMatch ".(css)$">
Header set Cache-Control "max-age=604800, public"
</filesMatch>
<filesMatch ".(js)$">
Header set Cache-Control "max-age=216000, private"
</filesMatch>
<filesMatch ".(x?html?|php)$">
Header set Cache-Control "max-age=600, private, must-revalidate"
</filesMatch>
</IfModule>
FileETag None
# ------------------------------------------------------------------------------
# | Expires headers (for better cache control) |
# ------------------------------------------------------------------------------
# The following expires headers are set pretty far in the future. If you don't
# control versioning with filename-based cache busting, consider lowering the
# cache time for resources like CSS and JS to something like 1 week.
<IfModule mod_expires.c>
ExpiresActive on
ExpiresDefault "access plus 1 month"
# CSS
ExpiresByType text/css "access plus 1 year"
# Data interchange
ExpiresByType application/json "access plus 0 seconds"
ExpiresByType application/xml "access plus 0 seconds"
ExpiresByType text/xml "access plus 0 seconds"
# Favicon (cannot be renamed!)
ExpiresByType image/x-icon "access plus 1 week"
# HTML components (HTCs)
ExpiresByType text/x-component "access plus 1 month"
# HTML
ExpiresByType text/html "access plus 0 seconds"
# JavaScript
ExpiresByType application/javascript "access plus 1 year"
# Manifest files
ExpiresByType application/x-web-app-manifest+json "access plus 0 seconds"
ExpiresByType text/cache-manifest "access plus 0 seconds"
# Media
ExpiresByType audio/ogg "access plus 1 month"
ExpiresByType image/gif "access plus 1 month"
ExpiresByType image/jpeg "access plus 1 month"
ExpiresByType image/jpg "access plus 1 month"
ExpiresByType image/png "access plus 1 month"
ExpiresByType video/mp4 "access plus 1 month"
ExpiresByType video/ogg "access plus 1 month"
ExpiresByType video/webm "access plus 1 month"
# Web feeds
ExpiresByType application/atom+xml "access plus 1 hour"
ExpiresByType application/rss+xml "access plus 1 hour"
# Web fonts
ExpiresByType application/font-woff "access plus 1 month"
ExpiresByType application/vnd.ms-fontobject "access plus 1 month"
ExpiresByType application/x-font-ttf "access plus 1 month"
ExpiresByType font/opentype "access plus 1 month"
ExpiresByType image/svg+xml "access plus 1 month"
</IfModule>
<IfModule mod_deflate.c>
############################################
## enable apache served files compression
## http://developer.yahoo.com/performance/rules.html#gzip
# Insert filter on all content
SetOutputFilter DEFLATE
# Insert filter on selected content types only
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript
# Netscape 4.x has some problems...
BrowserMatch ^Mozilla/4 gzip-only-text/html
# Netscape 4.06-4.08 have some more problems
BrowserMatch ^Mozilla/4.0[678] no-gzip
# MSIE masquerades as Netscape, but it is fine
BrowserMatch bMSIE !no-gzip !gzip-only-text/html
# Don't compress images
SetEnvIfNoCase Request_URI .(?:gif|jpe?g|png)$ no-gzip dont-vary
# Make sure proxies don't deliver the wrong content
Header append Vary User-Agent env=!dont-vary
</IfModule>
# ------------------------------------------------------------------------------
# | GZip Compression (for faster page transfers) |
# ------------------------------------------------------------------------------
# GZip Compression
# compress text, html, javascript, css, xml:
#
<IfModule mod_deflate.c>
AddOutputFilterByType DEFLATE text/html text/plain text/xml text/css text/javascript
AddOutputFilterByType DEFLATE application/rss+xml application/javascript application/x-javascript application/xml application/xhtml+xml
AddOutputFilterByType DEFLATE application/x-font application/x-font-truetype application/x-font-ttf application/x-font-otf application/x-font-opentype application/vnd.ms-fontobject
AddOutputFilterByType DEFLATE font/ttf font/otf font/opentype
AddOutputFilterByType DEFLATE image/x-icon image/svg+xml
</IfModule>
这是因为您没有在正则表达式中使用锚点，而svb的第三条规则将覆盖books/svb。
试试这些规则：
Options +FollowSymlinks
RewriteEngine on
RewriteBase /
RewriteCond %{HTTP_HOST} !^www. [NC]
RewriteCond %{HTTP_HOST} ^([a-z.]+)$ [NC]
RewriteRule ^ http://www.%{HTTP_HOST}%{REQUEST_URI} [R=301,L,NE]
RewriteRule ^spanish-vocabulary-bible/?$ books.php?bb=spanish-vocabulary-bible [NC,L,QSA]
RewriteRule (?:^|/)svb/?$ books.php?bb=spanish-vocabulary-bible [NC,L,QSA]
RewriteRule ^emails/?$ http://peppyburro.com:2082/cpsess5562708231/frontend/paper_lantern/mail/pops.html [NC,L,R]
请确保在测试之前清除浏览器缓存。