PHP和MySQL登录页面HTTP错误500
我正在创建一个PHP和MySQL登录页面。我已经注册工作，但当我进入登录页面，我得到一个HTTP 500错误。我很确定它是login.php文件，因为注册工作使用相同的connect.php文件 login.phpPHP和MySQL登录页面HTTP错误500,php,mysql,login,Php,Mysql,Login,我正在创建一个PHP和MySQL登录页面。我已经注册工作，但当我进入登录页面，我得到一个HTTP 500错误。我很确定它是login.php文件，因为注册工作使用相同的connect.php文件 login.php <?php //Start the Session session_start(); require('../inc/connect.php'); if (isset($_POST['username']) and isset($_POST['password'])){
<?php //Start the Session
session_start();
require('../inc/connect.php');
if (isset($_POST['username']) and isset($_POST['password'])){
$username = $_POST['username'];
$password = $_POST['password'];
$query = "SELECT * FROM `user` WHERE username='$username' and password='$password'";
$result = mysqli_query($connection, $query) or die(mysqli_error($connection));
$count = mysqli_num_rows($result);
if ($count == 1){
$_SESSION['username'] = $username;
}else{
$fmsg = "Invalid Login Credentials.";
}
}
if (isset($_SESSION['username'])){
$username = $_SESSION['username'];
echo "Hai " . $username . "";
echo "This is the Members Area";
echo "<a href='logout.php'>Logout</a>";
}else{
echo "Please login.";
}
?>
<html>
<head>
<title>User Login Using PHP & MySQL</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" >
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" >
<link rel="stylesheet" href="styles.css" >
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<form class="form-signin" method="POST">
<?php if(isset($fmsg)){ ?><div class="alert alert-danger" role="alert"> <?php echo $fmsg; ?> </div><?php } ?>
<h2 class="form-signin-heading">Please Login</h2>
<div class="input-group">
<span class="input-group-addon" id="basic-addon1">@</span>
<input type="text" name="username" class="form-control" placeholder="Username" required>
</div>
<label for="inputPassword" class="sr-only">Password</label>
<input type="password" name="password" id="inputPassword" class="form-control" placeholder="Password" required>
<button class="btn btn-lg btn-primary btn-block" type="submit">Login</button>
<a class="btn btn-lg btn-primary btn-block" href="register.php">Register</a>
</form>
</div>
</body>
</html>
使用PHP和MySQL进行用户登录
请登录
@
密码
登录
<?php
$connection = mysqli_connect('localhost', 'username', 'password');
if (!$connection){
die("Database Connection Failed" . mysqli_error($connection));
}
$select_db = mysqli_select_db($connection, 'beta');
if (!$select_db){
die("Database Selection Failed" . mysqli_error($connection));
}
?>
mysqli\u connect（）mysqli\u select\u db（）