Apache 1.x 的用户请检查 conf/httpd.conf 中是否存在如下两段代码： 
LoadModule Rewrite_module libexec/mod_Rewrite.so
AddModule mod_Rewrite.c 

Apache 2.x 的用户请检查 conf/httpd.conf 中是否存在如下一段代码： 
LoadModule Rewrite_module modules/mod_Rewrite.so
如果有去掉#

然后：
在APACHE配置文件中加入

<VirtualHost *>
    DocumentRoot "D:/apache/htdocs/xxxx.net/html"
    ServerName www.xxxx.net/
    ServerAlias xxxx.net

<IfModule mod_rewrite.c>
        RewriteEngine On
        RewriteCond %{QUERY_STRING} ^(.*)$
        RewriteRule ^(.*)/topic-(.+)\.html$ $1/portal.php?mod=topic&topic=$2&%1
        RewriteCond %{QUERY_STRING} ^(.*)$
        RewriteRule ^(.*)/article-([0-9]+)-([0-9]+)\.html$ $1/portal.php?mod=view&aid=$2&page=$3&%1
        RewriteCond %{QUERY_STRING} ^(.*)$
        RewriteRule ^(.*)/forum-(\w+)-([0-9]+)\.html$ $1/forum.php?mod=forumdisplay&fid=$2&page=$3&%1
        RewriteCond %{QUERY_STRING} ^(.*)$
        RewriteRule ^(.*)/thread-([0-9]+)-([0-9]+)-([0-9]+)\.html$ $1/forum.php?mod=viewthread&tid=$2&extra=page\%3D$4&page=$3&%1
        RewriteCond %{QUERY_STRING} ^(.*)$
        RewriteRule ^(.*)/group-([0-9]+)-([0-9]+)\.html$ $1/forum.php?mod=group&fid=$2&page=$3&%1
        RewriteCond %{QUERY_STRING} ^(.*)$
        RewriteRule ^(.*)/space-(username|uid)-(.+)\.html$ $1/home.php?mod=space&$2=$3&%1
        RewriteCond %{QUERY_STRING} ^(.*)$
        RewriteRule ^(.*)/([a-z]+)-(.+)\.html$ $1/$2.php?rewrite=$3&%1
</IfModule>
</VirtualHost>