http://www.programfan.com/blog/article.asp?id=3673
http://www.chinabs.net/webj2ee/default.asp?infoid=317
http://topic.csdn.net/t/20030623/22/1948961.html
http://www.programfan.com/blog/article.asp?id=3673
http://www.chinabs.net/webj2ee/default.asp?infoid=317
http://topic.csdn.net/t/20030623/22/1948961.html