第一：xampp软件中，F:\6\apache\conf\extra\httpd-vhosts.conf文件中(复制粘贴)：
<VirtualHost *:80> ServerAdmin webmaster@dummy-host2.example.com
DocumentRoot "F:/6/htdocs/advanced/frontend/web" ServerName www.yii2.com; ErrorLog "logs/dummy-host2.example.com-error.log" CustomLog "logs/dummy-host2.example.com-access.log" common </VirtualHost>
第二：C:\Windows\System32\drivers\etc\hosts文件中。复制粘贴即可.
127.0.0.1 www.yii2.com
