/etc/apache2/httpd.conf

# Virtual hosts

Include /private/etc/apache2/extra/httpd-vhosts.conf

打開

LoadModule vhost_alias_module libexec/apache2/mod_vhost_alias.so

打開

vi /etc/apache2/extra/httpd-vhosts.conf

新增以下

    ServerAdmin yyy@gmail.com

    DocumentRoot "/Library/WebServer/Documents/xxx"

    ServerName xxx.localhost

    ErrorLog "/private/var/log/apache2/xxx_error.log"

    CustomLog "/private/var/log/apache2/xxx_access.log" common

vi /etc/hosts

新增以下

127.0.0.1 xxx.localhost

http://xxx.localhost/pub/js/fun.js

就可以連了