server {

        listen       80;
        server_name  localhost;
        access_log  /usr/local/logs/nginx/access.log  main;
        root        /home/www/jianshu/public;
        index       index.html index.htm index.php;

        #图片缓存时间
        location ~* \.(ico|jpe?g|gif|png|bmp|swf|flv)$ {
          expires 30d;
          #log_not_found off;
          access_log off;
        }
        #JS和CSS缓存时间
        location ~* \.(js|css)$ {
          expires 7d;
          log_not_found off;
          access_log off;
        }

        error_page   500 502 503 504  /50x.html;
        location @rewrites {
                rewrite ^/(.*)$ /index.php?_url=/$1;
        }
        location / {
                try_files $uri $uri/ @rewrites;
        }

        location = /robots.txt {
                access_log off;
                log_not_found off;
         }
        location ~ \.php$ {
            fastcgi_pass   php_group;
            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
            include        fastcgi_params;
        }

    }