http://www.itisedu.com/phrase/200604181210165.html
http://jdom.org/downloads/docs.html

http://www.javaworld.com/javaworld/jw-05-2000/jw-0518-jdom.html

http://www.javaworld.com/javaworld/jw-07-2000/jw-0728-jdom2.html

api：
http://jdom.org/docs/apidocs/