scope.jsp

来自「jsp入门级代码」· JSP 代码 · 共 21 行

JSP
21
字号
<%@ page contentType="text/html;charset=GBK" %>
<%@ page isELIgnored="false" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head><title>pageScope、requestScope、sessionScope以及applicationScope隐含对象在EL中使用</title></head>
<body>
	<h4>EL中的pageScope、requestScope、sessionScope以及applicationScope隐含对象</h4>
	<hr>
<c:set var="name" value="pageValue" scope="page" />
<c:set var="name" value="requestValue" scope="request" />
<c:set var="name" value="sessionValue" scope="session" />
<c:set var="name" value="applicationValue" scope="application" />

\${name}: <c:out value="${name}" /> <br>
\${pageScope.name}: <c:out value="${pageScope.name}" /> <br>
\${requestScope.name}: <c:out value="${requestScope.name}" /> <br>
\${sessionScope.name}: <c:out value="${sessionScope.name}" /> <br>
\${applicationScope.name}: <c:out value="${applicationScope.name}" /> <br>
</body>
</html>

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