spring security+cas 中…

转至： http://blog.csdn.net/chenyongsuda/article/details/5327059

1. 在session中取得spring security的登录用户名如下

${session.SPRING_SECURITY_CONTEXT.authentication.principal.username}

2. 在页面端用tag获取

<%@ taglib prefix='security' uri='http://www.springframework.org/security/tags'%>

<security:authentication property="principal.username"></security:authentication> 

3. 在后台获取

UserDetails userDetails = (UserDetails) SecurityContextHolder.getContext().getAuthentication().getPrincipal();

userDetails.getUsername();

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