配置文件参考一下：
location /public/ {
if (!-e $request_filename){
rewrite ^/public/(.*)$ /public/index.php?s=/$1 last;
}
}
location /public2/ {
if (!-e $request_filename){
rewrite ^/public2/(.*)$ /public2/index.php?s=/$1 last;
}
}
location / {
if (!-e $request_filename){
rewrite ^/(.*)$ /index.php?s=/$1 last;
}
}