Nginx 判断文件是否存在

location /{
        root /app/work/WebRoot;
        set $request_filename_real $request_filename;
        if ($uri ~* ^(.*)/$) {
            set $request_filename_real ${request_filename}index.html;
        }
        if (!-e $request_filename_real) {
            rewrite ^/(.*)\.html http://$host/$1.jhtml ;
            rewrite ^(.*)/ http://$host$1/index.jhtml ;
        }
        index index.html
    }