代码如下:
[ISAPI_Rewrite]
# 3600 = 1 hour
CacheClockRate 3600
RepeatLimit 32
# Protect httpd.ini and httpd.parse.errors files
# from accessing through HTTP
# WordPress rewrite rules#
RewriteRule /tag/(.*)/ /index\.php\?tag=$1
RewriteRule /(about-me|about-copyright|guest-book)/ /index\.php\?pagename=$1
RewriteRule /author/(.*)/(feed|rdf|rss|rss2|atom)/?$ /wp-feed\.php\?author_name=$1&feed=$2
RewriteRule /author/?(.*) /index\.php\?author_name=$1
RewriteRule /feed/?$ /wp-feed\.php/\?feed=rss2
RewriteRule /comments/feed/?$ /wp-feed\.php/\?feed=comments-rss2
RewriteRule /page/(.*)/ /index\.php\?paged=$1
RewriteRule /photo/?([^/]*)?/?([^/]*)?/?([^/]*)?/?([^/]*)?/?$ /wp-content/plugins/fgallery/fim_photos\.php\?$1=$2&$3=$4 [QSA,L,I]
RewriteRule /photo/?(.*) /wp-content/plugins/fgallery/fim_photos\.php\?$1=$2&$3=$4 [QSA,L,I]
# /%year%%monthnum%%day%/%postname%/
RewriteRule /category/(.*)/(feed|rdf|rss|rss2|atom)/?$ /wp-feed\.php\?category_name=$1&feed=$2
RewriteRule /category/?(.*)/ /index\.php\?category_name=$1
RewriteRule /([0-9]{4})([0-9]{1,2})([0-9]{1,2})/([^/]+)/?([0-9]+)?/?$ /index\.php\?year=$1&monthnum=$2&day=$3&name=$4&page=$5
RewriteRule /([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/?$ /index\.php\?year=$1&monthnum=$2&day=$3&page=$4
RewriteRule /([0-9]{4})/([0-9]{1,2})/?$ /index\.php\?year=$1&monthnum=$2&page=$3
RewriteRule /([0-9]{4})([0-9]{1,2})([0-9]{1,2})/([^/]+)/(feed|rdf|rss|rss2|atom)/?$ /index\.php\?year=$1&monthn&day=$3&name=$4&feed=$5
RewriteRule /([0-9]{4})([0-9]{1,2})([0-9]{1,2})/([^/]+)/trackback/?$ /wp-trackback\.php\?year=$1&monthnum=$2&day=$3&name=$4&tb=1
# /post/%post_id%.html
RewriteRule /([0-9]+)/?([0-9]+)?/?$ /index\.php\?p=$1&page=$2
# RewriteRule /post/([0-9]+)/?([0-9]+)?/?$ /index\.php\?p=$1&page=$2
RewriteRule /post/([0-9]+).html /index\.php\?p=$1 [I]
RewriteRule /post/category/(.*)/(feed|rdf|rss|rss2|atom)/?$ /wp-feed\.php\?category_name=$1&feed=$2
RewriteRule /post/category/?(.*)/ /index\.php\?category_name=$1
RewriteRule /post/date/([0-9]{4})([0-9]{1,2})([0-9]{1,2})/([^/]+)/?([0-9]+)?/?$ /index\.php\?year=$1&monthnum=$2&day=$3&name=$4&page=$5
RewriteRule /post/date/([0-9]{4})/([0-9]{1,2})/([0-9]{1,2})/?$ /index\.php\?year=$1&monthnum=$2&day=$3&page=$4
RewriteRule /post/date/([0-9]{4})/([0-9]{1,2})/?$ /index\.php\?year=$1&monthnum=$2&page=$3
使用方法（将Wordpres安装在根目录）
去discuz.net的论坛下载Rewrite的压缩包，然后按照安装方法在IIS里面配置好Rewrite，用上面的规则覆盖httpd.ini中原来的内容，再到wordpress的后台，将选项的永久链接部分，使用自定义，然后在框框里面填写上面粗体部分的内容（两种选一种，其中# /post/%post_id%.html还不太完善），即可。
本文引用bluefeel所写的规则。原文中TAG编写有问题，我已经更改完毕，大家要注意写法，否则会影响其他IIS站点目录。