php中session退出登陆问题_php技巧
May 17, 2016 am 08:48 AM
php
session
在php中,如果使用的session来判断用户是否登陆,退出时,则可以如此:
session_start();
session_destroy();
会话即表示已经结束。下一句话应该写js,使页面跳转了。
<script>alert("已经退出登陆!");location.href="login.php";</script>
如果是个框架页呢,就不要直接用location了。因为这样会在一个小框架页内跳转,本意一定是要整个框架都跳转过去啊。所以location前要加上"parent."。
全部过程如下(只对框架页的来说):
复制代码 代码如下:
session_start();
session_destroy();
//为使框架整个页面跳转到登陆页
echo "<script>alert('已经退出登陆');parent.location.href='login.php';</script>";
?>
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