nginx服务器 在域名隐藏/去掉index.php

在server中添加以下代码，有无index.php对网站访问无影响

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