虚拟主机  开启httpd-vhosts.conf
conf\extra\httpd-vhosts.conf文件
<VirtualHost 127.0.0.1:80>
 DocumentRoot "D:/website/Apache Software Foundation/Apache2.2/htdocs"
 DirectoryIndex index.html index.htm default.htm
 ServerName www.localhost.com
 ServerAlias www.localhost.com
<Directory /> 
 Options FollowSymLinks
 AllowOverride None 
 Order Allow,Deny
 Allow from all 
</Directory>
</VirtualHost>
#配置虚拟目录
<IfModule dir_module>
    DirectoryIndex index.html index.php
	Alias /myblog "D:/myblog"
	<Directory "D:/myblog"> 
	Order allow,deny 
	Allow from all 
	</Directory> 
</IfModule>
#Alias
<IfModule dir_module>
    DirectoryIndex index.html 
	Alias /my "D:/website_old/Apache2.2/htdocs"
	<Directory "D:/website_old/Apache2.2/htdocs">
		Order allow,deny
		Allow from all
	</Directory>
</IfModule>