login.html
代码<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script type="text/javascript">
var xmlHttp = false;
function createXMLHttpRequest()
{
var http;
if(window.ActiveXObject)
{
http = new ActiveXObject('Microsoft.XMLHTTP');
}
else if(window.XMLHttpRequest)
{
http = new XMLHttpRequest();
}
return http;
}
function setSessionLifetime(checked) {
xmlHttp = createXMLHttpRequest();
var url = 'session_setup.php';
if (checked == true) {
url += '?set=1';
} else {
url += '?set=0';
}
xmlHttp.open("GET", url, true);
xmlHttp.onreadystatechange = function() {
if(xmlHttp.readyState==4 && xmlHttp.status==200)
{
window.location.href='session_printlifetime.php';
}
}
xmlHttp.send(null);
}
</script>
</head>
<body>
<?php ?>
<input type="checkbox" name="setlifetime" id="setlifetime" value="1" onclick="setSessionLifetime(this.checked)" />set one life's session lifetime
</body>
</html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title></title>
<script type="text/javascript">
var xmlHttp = false;
function createXMLHttpRequest()
{
var http;
if(window.ActiveXObject)
{
http = new ActiveXObject('Microsoft.XMLHTTP');
}
else if(window.XMLHttpRequest)
{
http = new XMLHttpRequest();
}
return http;
}
function setSessionLifetime(checked) {
xmlHttp = createXMLHttpRequest();
var url = 'session_setup.php';
if (checked == true) {
url += '?set=1';
} else {
url += '?set=0';
}
xmlHttp.open("GET", url, true);
xmlHttp.onreadystatechange = function() {
if(xmlHttp.readyState==4 && xmlHttp.status==200)
{
window.location.href='session_printlifetime.php';
}
}
xmlHttp.send(null);
}
</script>
</head>
<body>
<?php ?>
<input type="checkbox" name="setlifetime" id="setlifetime" value="1" onclick="setSessionLifetime(this.checked)" />set one life's session lifetime
</body>
</html>
session_setup.php
代码<?php
session_start();
$set = isset($_GET['set']) ? $_GET['set'] : 0;
$lifetime = ($set == 1) ? (60 * 60 * 24 * 365) : ini_get('session.gc_maxlifetime');
$_SESSION['USER'] = 'ADMIN';
setcookie(session_name(), session_id(), time() + $lifetime, "/");
?>
session_start();
$set = isset($_GET['set']) ? $_GET['set'] : 0;
$lifetime = ($set == 1) ? (60 * 60 * 24 * 365) : ini_get('session.gc_maxlifetime');
$_SESSION['USER'] = 'ADMIN';
setcookie(session_name(), session_id(), time() + $lifetime, "/");
?>
session_printlifetime.php
代码<?php
session_start();
if (isset($_SESSION['USER']) && $_SESSION['USER'] != '') {
echo $_SESSION['USER'];
echo '<input type="button" value="refresh" onclick="window.location.href=\'session_printlifetime.php\'"/>';
} else {
echo 'session die';
}
?>
session_start();
if (isset($_SESSION['USER']) && $_SESSION['USER'] != '') {
echo $_SESSION['USER'];
echo '<input type="button" value="refresh" onclick="window.location.href=\'session_printlifetime.php\'"/>';
} else {
echo 'session die';
}
?>
