http://www.open-open.com/home/space-124-do-blog-id-791.html
http://www.micmiu.com/enterprise-app/sso/sso-cas-sample/ SSO之CAS单点登录实例演示
http://yangguowen.iteye.com/blog/678498 OpenJWeb平台Spring Security+CAS SSO的配置
http://yuzhwe.iteye.com/blog/830143 CAS 获取更多的用户信息。
http://www.open-open.com/home/space-124-do-blog-id-791.htmlyale cas 3.4如何返回更多信息高级篇
http://blog.csdn.net/shazhenzhong/article/details/4469494 数据库验证
http://www.blogjava.net/xmatthew/archive/2008/07/09/213808.html