第一个页面：用于传递信息
<%@page import="java.text.SimpleDateFormat"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>初始化页面</title>
</head>
<body>
<%
//为session中设置属性
session.setAttribute("username", "admin");
//为application设置属性
application.setAttribute("username", "admin1");
%>
sessionID : <%=session.getId() %>
<form action="pagecontext.jsp" name="pagecontextForm" method="post">
<input type="hidden" value="1213131" name="val">
<input type="submit" value="submit">
</form>
</body>
</html>
<%@page import="java.text.Simple
