wamp\bin\apache\Apache2.2.21\conf\extra
<VirtualHost *:80>
DocumentRoot "D:/wamp/www/"
ServerName www.163.com
ServerAlias www.163.com
DirectoryIndex index.php
<Directory "D:/wamp/www">
Options Indexes FollowSymLinks
Order Deny,Allow
Allow from all
</Directory>
</VirtualHost>