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[JSP]常用EL

2014-01-17 14:35 218 查看 
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>EL test</title>
</head>
<body>
<div>
<c:forEach items="${param}" var="var">
${var.key}<input type="text" id="UI_${fn:toUpperCase(var.key)}" name="UI_${fn:toUpperCase(var.key)}" value="${var.value}"><br>
</c:forEach>
</div>
<div>${empty param.user}</div>
<div>${empty param.user? "good":"bad"}</div>
<div>${pageContext.request.queryString }</div>
<div>${pageContext.request.requestURL }</div>
<div>${pageContext.request.contextPath }</div>
<div>${pageContext.request.method }</div>
<div>${pageContext.request.protocol }</div>
<div>${pageContext.request.remoteUser }</div>
<div>${pageContext.request.remoteAddr }</div>
<div>${pageContext.session.new }</div>
<div>${pageContext.session.id }</div>
<div>${pageContext.servletContext.serverInfo }</div>

<div>${param}</div>
<div>${paramValues}</div>
<div>${header}</div>
<div>${headerValues}</div>
<div>${cookie}</div>
<div>${initParam}</div>
<div>${pageContext}</div>
<div>${pageScope}</div>
<div>${requestScope}</div>
<div>${sessionScope}</div>
<div>${applicationScope}</div>
</body>
</html>
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