http://www.cn-java.com/www1/?action-viewnews-itemid-102789
http://tech.ccidnet.com/art/3539/20060516/553669_1.html
http://redleaf.iteye.com/blog/78217
http://www.blogjava.net/action/archive/2006/04/24/42822.html
http://coolshell.cn/articles/4261.html