nginx+kohana的urlrewrite设置

参考 http://forum.kohanaphp.com/comments.php?DiscussionID=1505

if (-f $request_filename) {
        expires max;
        break; 
} 

if (!-e $request_filename) { 
        rewrite ^/(.+)$ /index.php?kohana_uri=$1 last; 
        break; 
}