换域名怎么操作

server {
    listen 80;
    server_name old-domain.com www.old-domain.com;

    location / {
        return 301 $scheme://new-domain.com$request_uri;
    }
}

server {
    listen 80;
    server_name new-domain.com www.new-domain.com;

    root /var/www/new-domain;
    index index.html index.htm;

    location / {
        try_files $uri $uri/ =404;
    }
}

<VirtualHost *:80>
    ServerName old-domain.com
    ServerAlias www.old-domain.com
    Redirect permanent / http://new-domain.com/
</VirtualHost>

<VirtualHost *:80>
    ServerName new-domain.com
    ServerAlias www.new-domain.com
    DocumentRoot /var/www/new-domain
</VirtualHost>