JSP New Session Parameter : Session « JSP « Java
JSP New Session Parameter
<%@ page import="java.util.*" %>
<%
// add parameter to session
String name = request.getParameter("name");
String value = request.getParameter("value");
if (name!=null && value!=null && name.length()>0) {
session.setAttribute(name,value);
}
Date lastVisit = (Date)session.getAttribute("lastVisit");
Date thisVisit = new Date();
%>
<HTML>
<HEAD>
<TITLE>Session List</TITLE>
</HEAD>
<BODY>
<H1>Session List</H1>
Last visit: <%= lastVisit %><BR>
This visit: <%= thisVisit %><BR>
Session ID: <%= session.getId() %><BR>
Session max interval: <%= session.getMaxInactiveInterval() %><BR>
<H2>Session parameters</H2>
<%
Enumeration enum = session.getAttributeNames();
while (enum.hasMoreElements()) {
String attribute = (String) enum.nextElement();
out.println(""+attribute+"="+
session.getAttribute(attribute)+"<BR>");
}
session.setAttribute("lastVisit",thisVisit);
%>
<H2>New session parameter</H2>
<FORM>
<P>Name: <INPUT TYPE='TEXT' NAME='name'></P>
<P>Value: <INPUT TYPE='TEXT' NAME='value'></P>
<INPUT TYPE='SUBMIT' VALUE='Add new value'>
</FORM>
</BODY>
</HTML>
JSP-New-Session-Parameter.zip( 89 k)