参考文章

http://blog.csdn.net/sfdst/article/details/68063992

配置

需求：在实际生产环境中有这样的需求，当访问www.aaa.com重定向至www.bbb.com

修改nginx配置文件

server {

        listen      80;

        server_name  web1.wangfang.com;

        if ($host = "web1.wangfang.com"){

        rewrite ^/(.*)$ http://web2.wangfang.com/$1 permanent;

        }

        location / {

            root  html/web1;

            index  index.html index.htm;

        }

    }

验证

curl -I http://web1.wangfang.com

HTTP/1.1 301 Moved Permanently

Server: Tengine/1.5.1

Date: Wed, 03 Jan 2018 03:56:38 GMT

Content-Type: text/html

Content-Length: 284

Connection: keep-alive

Location: http://web2.wangfang.com/

当访问web1.wangfang.com 301重定向至web2.wangfang.com