在server {} 块中添加下面的配置
location =/robots.txt {
default_type text/html;
add_header Content-Type "text/plain; charset=UTF-8";
return 200 "User-Agent: *\nDisallow: /";
}
在线测试robots.txt是否生效
https://ziyuan.baidu.com/robots/index
robots.txt文件生产工具：http://tool.chinaz.com/robots/
其他网站参考：
https://www.tmall.com/robots.txt
https://www.jd.com/robots.txt
https://www.qq.com/robots.txt