PHP写一个简单的网页加密认证
<?php/**
* 检验私密页面的密码
*
* 使用方法,在有需要的加密的页面最开始补充下面这行代码
*
* <?php
* include('password.php');
* ?>
*
* 然后把本页代码命名为password.php即可.
*
* PS:需要退出登录就直接在页面的后面加入请求password.php?action=logout
*/$page_pwd = md5('小小酥'); //你要设置的密码$page_cookname = 'my-page-password'; //你要设置的cookie名$page_now = "http://" . $_SERVER['SERVER_NAME'] . $_SERVER['SCRIPT_NAME'];$action = @$_GET['action'];$page_postpwd = @$_POST['page_pwd'];$page_cookiepwd = @$_COOKIE["$page_cookname"];$page_cookietime = time() + 60 * 60 * 24 * 7;//输出网页的头部$head = '
<head>
<meta charset="utf-8">
<title>product</title>
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.4/css/bootstrap.min.css">
<script src="http://cdn.bootcss.com/jquery/1.11.2/jquery.min.js"></script>
<script src="http://cdn.bootcss.com/bootstrap/3.3.4/js/bootstrap.min.js"></script>
<style type="text/css">body,button,input,select,textarea,h1,h2,h3,h4,h5,h6 {
font-family: Microsoft YaHei, "宋体", Tahoma, Helvetica, Arial, "\5b8b\4f53", sans-serif;
}
</style>
';//退出登录if ($action == "logout") {
setcookie($page_cookname, "", time() - 1);
echo '
<meta http-equiv="refresh" content="2";URL='.$page_now.'>
</head>
<body>
<div class="container-fluid">
<p>退出成功,2秒后自动跳转</p>
<a role="button" class="btn btn-success" href='.$page_now.'>点此马上跳转</a>
</div>
</body>
</html>
';
exit;}//有输入密码if ($page_postpwd != "") {
//密码错误
if (md5("$page_postpwd") != $page_pwd) {
echo $head;
echo '
<meta http-equiv="refresh" content="2";URL='.$page_now.'>
</head>
<body>
<div class="container-fluid">
<p>密码错误,2秒后自动跳转</p>
<a role="button" class="btn btn-success" href='.$page_now.'>点此马上跳转</a>
</div>
</body>
</html>
';
exit;
}
//密码正确
else {
//设置Cookies
setcookie($page_cookname, md5("$page_postpwd"), $page_cookietime);
echo $head;
echo '
<meta http-equiv="refresh" content="2";URL='.$page_now.'>
</head>
<body>
<div class="container-fluid">
<p>密码正确,2秒后自动跳转</p>
<a role="button" class="btn btn-success" href='.$page_now.'>点此马上跳转</a>
</div>
</body>
</html>
';
exit;
}}//没输入密码if ($page_cookiepwd != $page_pwd) {
echo $head;
echo '
</head>
<body>
<div class="row text-center vertical-middle-sm">
<div class="col-sm-12">
<div class="container-fluid">
<br>
<p>这是一个私人页面,请输入您的密码</p>
<br>
<form method="POST">
<div class="form-group">
<input type="text" class="form-control" name="page_pwd" placeholder="请输入您的密码">
<br>
<button type="submit" class="btn btn-default">确认</button>
</div>
</div>
</div>
</form>
</div>
</body>
</html>
';
exit;}?>
