Multiple DocumentRoot in XAMPP or Apache

What would be the best way to set up XAMPP so that when I go to

http://localhost1 it access the folder C:\开发者_如何学运维localhost1

and when I type

http://localhost2 it access the folder C:\localhost2?

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I've done a response yesterday that should fit your needs: Modify htaccess file for two sites

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Use Alias in apache conf

http://www.apachefriends.org/f/viewtopic.php?f=16&t=36801

Make XAMPP/Apache serve file outside of htdocs