user-guide : http://www.eclipse.org/virgo/documentation/virgo-documentation-3.6.2.RELEASE/docs/virgo-tooling-guide/html/index.html
demo: greenpages : http://www.eclipse.org/virgo/documentation/greenpages-documentation-3.0.0.RC1/docs/html/ch02s05.html
1.virgo plugin in eclipse install
①Help>Install New Software
②url
release: http://download.eclipse.org/virgo/release/tooling
Milestone: http://download.eclipse.org/virgo/milestone/tooling
Snapshot: http://download.eclipse.org/virgo/snapshot/tooling
原文地址：http://blog.csdn.net/gadbee5/article/details/24590189
