js formatDate

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

<c:

<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>

<fmt:formatDate value="${datetime}" pattern="yyyy-MM-dd"/>

<fmt:formatNumber type="number"  maxFractionDigits="1" value="${num}" />