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分享很简单，每个写过php的人应该都知道！求可用代码！
内容：
login.php -> amin.php
验证用户是否是通过登录进入admin.php页面。如果是登录进入，正常。
否则，如果用户非登录进入页面（即用户直接输入网址进入admin页面）
则自动跳转到login.php页面
...全文
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chons 2003-02-21
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两个都可以吗？
sakura169 2003-02-21
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<?
if(true)
{
print "<meta HTTP-EQUIV=REFRESH CONTENT='3; url=login.php'>";
exit;
}
if(true)
{
print "<meta HTTP-EQUIV=REFRESH CONTENT='3; url=login.php'>";
exit;
}
石牌桥网管 2003-02-21
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<?php
//login.php
session_start();
session_register("longined");
if($username=="admin" and $passwd=="pass")
{
$longined = true;
header("Location: admin.php");
exit;
}
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title></title>
</head>
<body>
<form name="form1" method="post" action="">
user:
<input name="username" type="text">
<br>
password
<input name="passwd" type="text">
</form>
</body>
</html>
-----------------
<?php
//admin.php
session_start();
session_register("longined");
if($longined!=true)
{
header("Location: login.php");
exit;
}
<html>
........
</html>
//login.php
session_start();
session_register("longined");
if($username=="admin" and $passwd=="pass")
{
$longined = true;
header("Location: admin.php");
exit;
}
?>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title></title>
</head>
<body>
<form name="form1" method="post" action="">
user:
<input name="username" type="text">
<br>
password
<input name="passwd" type="text">
</form>
</body>
</html>
-----------------
<?php
//admin.php
session_start();
session_register("longined");
if($longined!=true)
{
header("Location: login.php");
exit;
}
<html>
........
</html>
pantech_36 2003-02-21
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//检测用户是否为登录使该页，防止直接用URL使用该页 参数说明 $sessionid -->用户登录的唯一ID号， $username-->备用
function PangRight($sessionid,$username="NULL",$pagename="NULL"){
GLOBAL $PHP_SELF;
if(session_id()!=$sessionid){
//WSasLog("anonymous","anonymous","no",$PHP_SELF);
echo '
<SCRIPT LANGUAGE="JavaScript">
<!--
window.top.close();
//-->
</SCRIPT>
';
exit;
}
}
function PangRight($sessionid,$username="NULL",$pagename="NULL"){
GLOBAL $PHP_SELF;
if(session_id()!=$sessionid){
//WSasLog("anonymous","anonymous","no",$PHP_SELF);
echo '
<SCRIPT LANGUAGE="JavaScript">
<!--
window.top.close();
//-->
</SCRIPT>
';
exit;
}
}
