nginx如何一個域名多個端口？

方法一

寫三個 listen

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

方法二

寫三個server

    listen       80;
    server_name  www.sifou.com;
}

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

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