server {

          listen   80;

          server_name    localhost;

          sendfile    on;

          access_log    /var/log/nginx/host.access.log  main;

          #以jpg、gif、png结尾的下载路径

          location ~.*\.(jpg|gif|png)$ {

                #gzip on;

                #gzip_http_version 1.1;

                #gzip_comp_level 2;

                #gzip_types text/plain application/javascript application/x-javascript text/css application/xml text/javascript application/x-httpd-php image/jpeg image/gif image/png;

                 root /opt/app/code/images;

            }

          #以txt、xml结尾的下载路径

          location ~.*\.(txt|xml)$ {

               #gzip on;

               #gzip_httpaversion 1.1;

               #gzip_comp_level 1;

               #gzip_types text/plain application/javascript application/x-javascript text/css application/xml text/javascript application/x-httpd-php image/jpeg image/gif image/png;

               root /opt/app/code/doc;

           }

         #以download目录开头的下载路径

         location ~^/download {

               gzip_static on;

               tcp_nopush on;

              root /opt/app/code;

         }

        #以htm、html结尾的文件缓存模式

         location ~.*\.(htm|html)$ {

              expires  24h;

              root /opt/app/code;

         }

         #设置允许跨域

         location ~.*\.(htm|html)$ {

              add_header Access-Control-Allow-Origin http://www.aabb.com;

              add_header Access-Contorl-Allow-Methods GET,POST,PUT,DELETE,OPTIONS;            

              root /opt/app/code;

         }

        #设置防盗链：防止图片等资源被其他网站直接盗用

         location ~.*\.(gif|png|bmp)$ {

              valid_referers none blocked 允许访问的ip地址;

              if($invalid_referer){

                 return 403;

             }

              root /opt/app/code;

         }

}