[nginx] Url强制改写后缀跳转

例子: abc.com 经由强制改写后 跳转为 abc.com?r=67872312bd2337891031a

    location / {        if ($arg_r = "") {            #rewrite ^/(.*)$ /$1?r=$request_id redirect;        }        root   /data/web;        index  index.html index.htm;    }