格式： Alias /URL/ “/PATH/”

DocumentRoot “/www/htdocs”

http://www.magedu.com/download/bash.rpm

==>/www/htdocs/download/bash.rpm

Alias /download/ “/rpms/pub/”

http://www.magedu.com/download/bash.rpm

==>/rpms/pub/bash.rpm

http://www.magedu.com/images/logo.png

==>/www/htdocs/images/logo.png

注意：CentOS 7要给重新指定的路径进行grant授权才可访问

<directory “/rpm/pub”>

require all granted

</directory>