fn:length()方法

<%@ page language="java" contentType="text/html; charset=UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/functions" prefix="fn"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>

"${ pageContext.request.requestURL }" 的长度：${ fn:length(pageContext.request.requestURI) } <br/>
Cookie[] 的长度：${ fn:length(pageContext.request.cookies) } <br/>
Map header 的长度: ${ fn:length(header) } <br/>

</body>
</html>

posted @ 2015-06-01 10:20  Nick_zerui  阅读(950)  评论(0)  编辑  收藏  举报