在iis下面安装好discuz后，后台启用伪静态，然后查看当前rewrite规则，复制iis7的伪静态规则，在网站根目录下创建web.config文件，把规则粘贴进去。然后在加入规则头和尾，不加会报错。（前提是你已经安装Microsoft URL 重写模块。下载地址：http://www.iis.net/downloads/microsoft/url-rewrite）
完整规则：
Ini
<configuration>
<system.webServer>
<rewrite>
<rules>
<rule name="portal_topic">
<match url="^(.*/)*topic-(.+).html\?*(.*)$" />
<action type="Rewrite" url="{R:1}/portal.php\?mod=topic&topic={R:2}&{R:3}" />
</rule>
<rule name="portal_article">
<match url="^(.*/)*article-([0-9]+)-([0-9]+).html\?*(.*)$" />
<action type="Rewrite" url="{R:1}/portal.php\?mod=view&aid={R:2}&page={R:3}&{R:4}" />
</rule>
<rule name="forum_forumdisplay">
<match url="^(.*/)*forum-(\w+)-([0-9]+).html\?*(.*)$" />
<action type="Rewrite" url="{R:1}/forum.php\?mod=forumdisplay&fid={R:2}&page={R:3}&{R:4}" />
</rule>
<rule name="forum_viewthread">
<match url="^(.*/)*thread-([0-9]+)-([0-9]+)-([0-9]+).html\?*(.*)$" />
<action type="Rewrite" url="{R:1}/forum.php\?mod=viewthread&tid={R:2}&extra=page%3D{R:4}&page={R:3}&{R:5}" />
</rule>
<rule name="group_group">
<match url="^(.*/)*group-([0-9]+)-([0-9]+).html\?*(.*)$" />
<action type="Rewrite" url="{R:1}/forum.php\?mod=group&fid={R:2}&page={R:3}&{R:4}" />
</rule>
<rule name="home_space">
<match url="^(.*/)*space-(username|uid)-(.+).html\?*(.*)$" />
<action type="Rewrite" url="{R:1}/home.php\?mod=space&{R:2}={R:3}&{R:4}" />
</rule>
<rule name="home_blog">
<match url="^(.*/)*blog-([0-9]+)-([0-9]+).html\?*(.*)$" />
<action type="Rewrite" url="{R:1}/home.php\?mod=space&uid={R:2}&do=blog&id={R:3}&{R:4}" />
</rule>
<rule name="forum_archiver">
<match url="^(.*/)*archiver/(fid|tid)-([0-9]+).html\?*(.*)$" />
<action type="Rewrite" url="{R:1}/archiver/index.php\?action={R:2}&value={R:3}&{R:4}" />
</rule>
<rule name="plugin">
<match url="^(.*/)*([a-z]+[a-z0-9_]*)-([a-z0-9_\-]+).html\?*(.*)$" />
<action type="Rewrite" url="{R:1}/plugin.php\?id={R:2}:{R:3}&{R:4}" />
</system.webServer>
</configuration>
</rule>
</rules>
</rewrite>