1.php
<?php
header("content-type:text/html;charset=gb2312");
session_start();
setcookie("username","test",time()+3600*24);
$value = "my cookie value";
// 发送一个 24 小时候过期的 cookie
setcookie("TestCookie",$value, time()+3600*24);
echo $_COOKIE["username"]."<br/>";
echo $_COOKIE["TestCookie"];
$_SESSION["username"]="test115";
?>
2.php
<?
header("content-type:text/html;charset=gb2312");
session_start();
echo $_COOKIE["username"];
echo $_SESSION["username"];
?>
<script language=javascript>
function getCookie(cookie_name)
{
var allcookies = document.cookie;
var cookie_pos = allcookies.indexOf(cookie_name);
// 如果找到了索引，就代表cookie存在，
// 反之，就说明不存在。
if (cookie_pos != -1)
{
// 把cookie_pos放在值的开始，只要给值加1即可。
cookie_pos += cookie_name.length + 1;
var cookie_end = allcookies.indexOf(";", cookie_pos);
if (cookie_end == -1)
{
cookie_end = allcookies.length;
}
var value = unescape(allcookies.substring(cookie_pos, cookie_end));
}
return value;
}
alert(getCookie("username"));
</script>
