（1）将www.chinahtml.com/bbs 内容301重定向到：http://bbs.chinahtml.com/ (子目录绑定)
<VirtualHost *:80>
ServerName www.chinahtml.com
DocumentRoot “/home/www/”
Redirect permanent /bbs http://bbs.chinahtml.com/
</VirtualHost>
（2）将 www.chinahtml.com 所有请求都重定向到（另外一个域名的目录下）:http://www.chinahtml.com/bbs/
<VirtualHost *:80>
ServerName www.chinahtml.com
DocumentRoot “/home/www/”
RedirectMatch 301 ^(.*) http://www.chinahtml.com/bbs/
</VirtualHost>
（3）访问 www.chinahtml.com 定位到: www.chinahtml.com/bbs
<VirtualHost *:80>
ServerName www.chinahtml.com
ServerAlias bbs.chinahtml.com bbs2.chinahtml.com *.chinahtml.com #多个域名绑定支持泛域名绑定(*),域名直接用”空格“分开
RedirectMatch ^/$ http://www.chinahtml.com/bbs
</VirtualHost>