thinkphp怎么隐藏index.php

location / { // …..省略部分代码    if (!-e $request_filename) {
        rewrite  ^(.*)$  /index.php?s=/$1  last;        break;
    }
}vhosts-conf
server {
        listen       80;
        server_name  xhb.com www.xhb.com;
        root   "F:/project/xhb";
        location / {
            index  index.html index.htm index.php;
            if (!-e $request_filename) {
        rewrite  ^(.*)$  /index.php?s=/$1  last;
        break;
    }
            #autoindex  on;
        }
        location ~ \.php(.*)$ {
            fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
            fastcgi_split_path_info  ^((?U).+\.php)(/?.+)$;
            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
            fastcgi_param  PATH_INFO  $fastcgi_path_info;
            fastcgi_param  PATH_TRANSLATED  $document_root$fastcgi_path_info;
            include        fastcgi_params;
        }
}