server{
     listen   80;
     server_name www.XXXX.com;
     index index.php index.html index.htm;
     root /var/www/didu;

     location ~ \.php #原来这个里有“$” 去掉就ok
     {
      #fastcgi_pass unix:/tmp/php-cgi.sock;
      fastcgi_pass 127.0.0.1:9000;
      fastcgi_index index.php;
      fastcgi_split_path_info ^(.+\.php)(.*)$; #新加第一句
      fastcgi_param PATH_INFO $fastcgi_path_info;#新加第二句
      fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;#新加第三句
      include fastcgi.conf;
     }

     location / {
       try_files $uri $uri/ /index.php?$query_string;
    }
}