nginx无法访问php

location ~ \.php$ {
 proxy_pass http://127.0.0.1:80;
 fastcgi_pass 127.0.0.1:9000;
 fastcgi_index index.php;
 #fastcgi_param SCRIPT_FILENAME /scripts$fastcgi_script_name;
 #fastcgi_param SCRIPT_FILENAME /$document_root$fastcgi_script_name;
 fastcgi_param SCRIPT_FILENAME /usr/share/nginx/html$fastcgi_script_name;
 include fastcgi_params;
 }