JS中表现方式:
var length = "${fn:length(hotelOrderDetails)}";
JSP中表现方式:
${fn:length(hotelOrderDetails)}
注意,需要在页面中引用
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
var length = "${fn:length(hotelOrderDetails)}";
${fn:length(hotelOrderDetails)}
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>