nginx如何一个域名多个端口？

方法一

写三个 listen

server {
    listen       80;
    listen       81;
    listen       82;
    server_name  www.sifou.com;
...

方法二

写三个server

    listen       80;
    server_name  www.sifou.com;
}

server {
    listen       81;
    server_name  www.sifou.com;
}

server {
    listen       82;
    server_name  www.sifou.com;
}