fastcgi_split_path_info ^(.+?\.php)(/.*)$;

set $path_info $fastcgi_path_info;

fastcgi_param PATH_INFO       $path_info;

或者

fastcgi_split_path_info ^(.+\.php)(.*)$;

fastcgi_param PATH_INFO $fastcgi_path_info;

fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;

include fastcgi_params;

支持thinkphp的url模式3、1