<jsp:useBean id="now" class="java.util.Date" />
<fmt:formatDate value="${now}" type="both" dateStyle="long" pattern="yyyy-MM-dd" var="today"/>
<fmt:formatDate value="${date}" type="both" dateStyle="long" pattern="yyyy-MM-dd" var="date"/>
${ signUpDate > today }
原文：http://my.oschina.net/idiot521/blog/311605