typecho在nginx下面的rewrite规则

location / {

index index.html index.php;
if (-f $request_filename/index.html){
    rewrite (.) $1/index.html break;
}
if (-f $request_filename/index.php){
    rewrite (.) $1/index.php;
}
if (!-f $request_filename){
    rewrite (.*) /index.php;
}

}