參考：apache 二級域名設(shè)置完整步驟
https://www.cnblogs.com/phonecom/p/6363268.html
一級域名 localhost 指向根目錄
二級域名 emoji.localhost 指向特定目錄
修改 http.conf，或者修改 httpd-vhosts.conf网缝，如果是后者要檢查下 http.conf 文件的 Include "conf/extra/httpd-vhosts.conf"是否打開了
在 D:\xampp\apache\conf\extra\httpd-vhosts.conf 尾部添加如下內(nèi)容
頂級域名指定一個目錄
<VirtualHost *:80>
ServerAdmin admin@example.com
DocumentRoot "D:/aaa"
ServerName localhost
ErrorLog "D:\xampp\apache\logs\error.log"
CustomLog "D:\xampp\apache\logs\access.log" combined
</VirtualHost>
二級域名指定一個目錄
<VirtualHost *:80>
ServerAdmin admin@example.com
DocumentRoot "D:/aaa/emoji"
ServerName emoji.localhost
ErrorLog "D:\xampp\apache\logs\emoji-error.log"
CustomLog "D:\xampp\apache\logs\emoji.access.log" combined
</VirtualHost>
