server {
 server_name jb51.net www.1sucai.cn;
 root /data/site/www.1sucai.cn;
location / {
 # try to serve file directly, fallback to rewrite
 try_files $uri @rewriteapp;
 }
location @rewriteapp {
 # rewrite all to app.php
 rewrite ^(.*)$ /app.php/$1 last;
 }
location ~ ^/(app|app_dev|config).php(/|$) {
 fastcgi_pass unix:/var/run/php5-fpm.sock; # 改成你对应的FastCGI
 fastcgi_split_path_info ^(.+.php)(/.*)$;
 include fastcgi_params;
 fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
 fastcgi_param HTTPS off;
 }
error_log /data/logs/nginx/www.1sucai.cn_error.log;
 }

server {
 listen 80;
 server_name jb51.net www.1sucai.cn;
root /data/site/www.1sucai.cn;
 index index.php;
 error_log log/error.log;
# set expiration of assets to MAX for caching
 location ~* .(ico|css|js|gif|jpe?g|png)(?[0-9]+)?$ {
 expires max;
 log_not_found off;
 }
# main codeigniter rewrite rule
 location / {
 try_files $uri $uri/ /index.php;
 }
# php parsing
 location ~ .php$ {
 root /data/site/jb51.net/;
 try_files $uri =404;
 fastcgi_pass unix:/tmp/php5-fpm.sock; # 改成对应的FastCGI
 fastcgi_index index.php;
 fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
 include fastcgi_params;
 fastcgi_buffer_size 128k;
 fastcgi_buffers 256 4k;
 fastcgi_busy_buffers_size 256k;
 fastcgi_temp_file_write_size 256k;
 }
}

$config['base_url'] = "http://www.1sucai.cn/";
 $config['index_page'] = "";
 $config['uri_protocol'] = "REQUEST_URI";