页面去除session

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<%@ page contentType="text/html; charset=UTF-8" %>
<%@ page import="com.crystaldecisions.sdk.exception.SDKException" %>
<%@ page import="com.crystaldecisions.sdk.framework.CrystalEnterprise" %>
<%@ page import="com.crystaldecisions.sdk.framework.IEnterpriseSession" %>
<%@ page import="com.crystaldecisions.sdk.framework.ISessionMgr" %>
<%@ page import="javax.servlet.http.Cookie" %>

<html>
<head>
<link REL=STYLESHEET TYPE="text/css" HREF="tutss.css">
</head>
<body >
<%
// Destory the token so that the user must logon from the logon page.
Cookie[] cookies = request.getCookies();
for ( int i = 0; i < cookies.length; i++ )
{
if (cookies[i].getName() == "LogonToken")
{
cookies[i].setValue("");
}
}

// Logoff and cancel the enterprise session.
IEnterpriseSession enterpriseSession = (IEnterpriseSession) session.getAttribute("EnterpriseSession");
session.removeAttribute("EnterpriseSession");
enterpriseSession.logoff();
enterpriseSession = null;
session.invalidate();
response.sendRedirect("start.jsp");
%>
<p>You have been logged off. To log on again, select a tutorial.</p>
</body>
</html>

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