I am not going to show you how to do this. Instead, I am giving you the URL of a tutorial which does a great job at setting you up.
http://static.springsource.org/docs/Spring-MVC-step-by-step/part1.html#step1.6
Most Spring samples are based on using Maven to do your builds. But if you need to use ant to do your builds, use this tutorial to get you started.