网上教程很多，仅记录我的配置，可供参考
打开appserv的安装目录，找到httpd.conf文件，分别去掉下面两行文字前面的#号。
去掉#意思是启用apache的虚拟主机功能。
去掉这一行的#意思是从conf/extra/httpd-vhosts.conf这个文件导入虚拟主机配置
<VirtualHost *:80>
ServerAdmin 1091209485@qq.com
DocumentRoot "E:\developer\Apache24\htdocs"
ServerName localhost
</VirtualHost>
<VirtualHost *:80>
ServerAdmin 1091209485@qq.com
DocumentRoot "E:\developer\www\a.sivkun.com"
ServerName a.sivkun.com
#ServerAlias www.dummy-host.example.com
#ErrorLog "logs/dummy-host.example.com-error.log"
#CustomLog "logs/dummy-host.example.com-access.log" common
<Directory "E:\developer\www\a.sivkun.com">
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
</Directory>
</VirtualHost>
<VirtualHost *:80>
ServerAdmin 1091209485@qq.com
DocumentRoot "E:\developer\www\b.sivkun.com"
ServerName b.sivkun.com
<Directory "E:\developer\www\b.sivkun.com">
Options Indexes FollowSymLinks
AllowOverride All
Require all granted
</Directory>
</VirtualHost>
<VirtualHost *:80>
ServerAdmin 1091209485@qq.com
DocumentRoot "E:\developer\www\c.sivkun.com"
ServerName c.sivkun.com
<Directory "E:\developer\www\c.sivkun.com">
Options Indexes FollowSymLinks
AllowOverride None
Require all granted
</Directory>
</VirtualHost>
windows路径：C:\Windows\System32\drivers\etc\hosts
127.0.0.1 localhost 127.0.0.1 a.sivkun.com 127.0.0.1 b.sivkun.com 127.0.0.1 c.sivkun.com
参考了：http://blog.csdn.net/zm2714/article/details/8351342
原文：http://www.cnblogs.com/sivkun/p/7347978.html