1.判断语言
RewriteCond %{HTTP:Accept-Language} ^zh-cn.*$
[NC,OR]
RewriteCond %{HTTP:Accept-Language} ^zh.*$ [NC]
RewriteRule
^.*$ http://www.cctv.cn [R=302,L]
2.
apache rewrite 技巧,布布扣,bubuko.com
原文：http://www.cnblogs.com/antarctican/p/3772684.html