<div class="pull-left info">
  <p><security:authentication property="principal.username"></security:authentication></p>
  <a href="#"><i class="fa fa-circle text-success"></i> 在线</a>
</div>

  <li id="system-setting">
    <security:authorize access="hasRole('ANDMIN')"></security:authorize>
    <a href="${pageContext.request.contextPath}/user/findAll.do"> <i
    class="fa fa-circle-o"></i> 用户管理
  </a>
</li>