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php - 使用PHP脚本登录但无法登录?

转载 作者:行者123 更新时间:2023-11-29 14:13:49 25 4
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下面是index.html,它向用户显示密码和电子邮件输入表单

<!DOCTYPE html>
<html lang="en">
<head>


<title>Ryan Kelly</title>

<link href="css/bootstrap.min.css" rel="stylesheet">
<link href="main.css" rel="stylesheet">

<script src="http://code.jquery.com/jquery-latest.js"></script>
<script src="js/bootstrap.min.js"></script>


<script type="text/javascript">

var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-35774778-1']);
_gaq.push(['_trackPageview']);

(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();

</script>

</head>
<body>
<?php include 'comments.php'; ?>

<div class="container">

<div class="centre">

<div class="well">
<h1 class="titlecomment">Comment System</h1>

<h4 class="instructions">Please login below with your username and password</h4>

<form class="form-horizontal">
<div class="control-group">
<label class="control-label" for="inputEmail">Email</label>
<div class="controls">
<input type="text" id="inputEmail" placeholder="Username" method="post">
</div>
</div>
<div class="control-group">
<label class="control-label" for="inputPassword" >Password</label>
<div class="controls">
<input type="password" id="inputPassword" placeholder="Password" method="post">
</div>
</div>
<div class="control-group">
<div class="controls">

</div>
</div>
</form>

<div class="greenbutton">
<button type="submit" class="btn btn-success" method="login()">Login</button>
</div>

</div>
<div class="footer">Created by Ryan Kelly</div>

</div>

</div>

下面是 PHP 脚本,它检查电子邮件和密码,然后将用户重定向到 google,我只是重定向,因为我想查看它是否登录成功

            <?php        

function login() {


$connection = mysql_connect($host, $databaseUsername, $databasePassword);

$username = $_POST['inputEmail'];
$password = $_POST['inputPassword'];

mysql_select_db($connection);

$queryUsername = "SELECT * FROM login WHERE Username='$username'";
$queryPassword = "SELECT * FROM login WHERE Password='$password'";

$searchQuery = mysql_query($queryUsername);
$searchQueryDatabase = mysql_query($queryPassword);

if($searchQuery && $searchQueryDatabase = $username && $password) {

header('Location: http://www.google.co.uk');
}

}
?>

最佳答案

问题出在这里

if($searchQuery && $searchQueryDatabase = $username && $password) {

您没有获取结果,并且当您可能意味着比较(==)时也使用赋值(=)。

举例

尝试$row = mysql_fetch_array($searchQueryDatabase);

现在尝试类似的事情

if($searchQuery && $row['Username'] == $username && $row['Password']==$password) {

关于php - 使用PHP脚本登录但无法登录?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/13038651/

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