apache

1. 在网站根目录创建文件 .htaccess，内容如下：

<IfModule mod_rewrite.c>
RewriteEngine on
RewriteCond %{REQUEST_FILENAME} !-d 
RewriteCond %{REQUEST_FILENAME} !-f 
RewriteRule ^(.*?)([^/]*)$ $1index.php?$2[QSA,PT,L]
</IfModule>

2. 修改conf/conf.php，将url_rewrite_on 改成1

3. 清理缓存

nginx

1. 在配置文件伪静态下新增如下内容：

location ~* \.(htm)$ {
        rewrite "^(.*)/(.+?).htm(.*?)$" $1/index.php?$2.htm$3 last;
    }

宝塔示例：

2. 修改conf/conf.php，将url_rewrite_on 改成1

3. 清理缓存

IIS: 

1. 下载Rewrite

2. 解压到 c:\Rewrite

3. 在IIS的Isapi上添加这个筛选器, 筛选器名称Rewrite,可执行文件选择 Rewrite.dll

4. 重新启动IIS

5. httpd.ini 是配置文件,如果您了解Rewrite 规则,可以直接对其进行编辑，以下为包内设置好的Xiuno BBS的规则：

[ISAPI_Rewrite]

# 3600 = 1 hour

CacheClockRate 3600

RepeatLimit 32

#RewriteRule .*\.(?:gif|jpg|png|css|js|txt|jpeg|swf|flv) $0 [I,L] 

#RewriteRule /httpd(?:\.ini|\.parse\.errors) / [F,I,O]

RewriteCond %{REQUEST_FILENAME} !-f

RewriteCond %{REQUEST_FILENAME} !-d

RewriteRule ^/admin(.*)\.htm(.*) /admin/index.php?$1.htm$2 [L]
RewriteRule ^(.*)\.htm(.*) /index.php?$1.htm$2 [L]

另外一种 IIS Rewrite：

[ISAPI_Rewrite]

# 3600 = 1 hour

CacheClockRate 3600

RepeatLimit 32

RewriteCond %{REQUEST_FILENAME} !-f

RewriteCond %{REQUEST_FILENAME} !-d

RewriteRule ^/admin/(.*)\.htm(.*) /admin/$1.htm$2 [L]

RewriteRule ^(.*)\.htm(.*)$ /$1.htm$2 [L]

如果要放到目录下，比如 bbs 目录，在 rewrite 规则前面加上目录即可，比如 apache .htaccess：

<IfModule mod_rewrite.c>

RewriteEngine on

RewriteCond %{REQUEST_FILENAME} !-d

RewriteCond %{REQUEST_FILENAME} !-f

RewriteRule ^bbs/admin/(.*)\.htm(.*)$ /admin/index.php?$1.htm$2 [L]

RewriteRule ^bbs/(.*)\.htm(.*)$ /index.php?$1.htm$2 [L]

</IfModule>

IIS Rewrite 支持 Apache .htaccess