Php登录界面_php做登录界面

作者：天景科技苑 | 2024-06-24 02:49:44

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php做登录界面

index.html


<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>Login</title>
        <link href="style.css" rel="stylesheet" type="text/css">
	</head>
	<body>
		<div class="login">
			<h1>Login</h1>
			<br>
			<form action="authenticate.php" method="post" class="form1">
				<div class="input-wrapper">
					<div class="border-wrapper">
						<input type="text" name="username" placeholder="username" class="border-item" autocomplete="off">
					</div>
					<div class="border-wrapper">
						<input type="password" name="password" placeholder="password" class="border-item" autocomplete="off">
					</div>
				</div>
				<div class="action">
					<div class="btn">
						<button type="submit" class="submit1">login</button>
					</div>
				</div>
			</form>
		</div>
	</body>
</html>

style.css


 
* {
    margin: 0;
    padding: 0;
}
 
html {
    height: 100%;
}
 
body {
    height: 100%;
    font-family: JetBrains Mono Medium;
    display: flex;
    align-items: center;
    justify-content: center;
    /* background-color: #0e92b3; */
    background: url('background.png') no-repeat;
    background-size: 100% 100%;
}
 
.login {
    width: 300px;
    background-color: rgba(41, 45, 62, .8);
    color: #fff;
    border-radius: 2px;
    padding: 50px;
}
 
h1 {
    text-align: center;
    font-size: 30px;
    text-transform: capitalize;
}
 
.login .input-wrapper input {
    background-color: rgb(41, 45, 62);
    border: 0;
    width: 100%;
    text-align: center;
    font-size: 10px;
    color: #fff;
    outline: none;
}
 
.login .input-wrapper input::placeholder {
    text-transform: capitalize;
}
 
.login .input-wrapper .border-wrapper {
    background-image: linear-gradient(to right, #e8198b, #0eb4dd);
    width: 100%;
    height: 50px;
    margin-bottom: 20px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}
 
.login .input-wrapper .border-wrapper .border-item {
    height: calc(100% - 4px);
    width: calc(100% - 4px);
    border-radius: 30px;
}
 
button {
    width: 100%;
    text-transform: capitalize;
    border: 2px solid #0e92b3;
    text-align: center;
    line-height: 50px;
    border-radius: 30px;
    cursor: pointer;
    background-color: rgb(41, 45, 62);
    color: #fff;
    font-size: 20px;
}

authenticate.php


<?php
 
session_start();
$DATABASE_HOST = 'localhost';
$DATABASE_USER = 'root';
$DATABASE_PASS = '';
$DATABASE_NAME = 'phplogin';
$con = mysqli_connect($DATABASE_HOST, $DATABASE_USER, $DATABASE_PASS, $DATABASE_NAME);
 
if (!$con) {
        die("connection is failed this database due to" . mysqli_connect_error());
    }
else{
    printf('Connected successfully.<br/>');
}    
 
 
// Now we check if the data from the login form was submitted, isset() will check if the data exists.
if ( !isset($_POST['username'], $_POST['password']) ) {
	// Could not get the data that should have been sent.
	exit('Please fill both the username and password fields!');
}
 
// Prepare our SQL, preparing the SQL statement will prevent SQL injection.
if ($stmt = $con->prepare('SELECT id,password FROM accounts WHERE username = ?')) {
	// Bind parameters (s = string, i = int, b = blob, etc), in our case the username is a string so we use "s"
	$stmt->bind_param('s', $_POST['username']);
	$stmt->execute();
	// Store the result so we can check if the account exists in the database.
	$stmt->store_result();
 
    if ($stmt->num_rows > 0) {
        $stmt->bind_result($id, $password);
        $stmt->fetch();
        // Account exists, now we verify the password.
        // Note: remember to use password_hash in your registration file to store the hashed passwords.
        if($_POST['password'] === $password) {
            // Verification success! User has logged-in!
            // Create sessions, so we know the user is logged in, they basically act like cookies but remember the data on the server.
            session_regenerate_id();
            $_SESSION['loggedin'] = TRUE;
            $_SESSION['name'] = $_POST['username'];
            $_SESSION['id'] = $id;
            header('Location: home.php');
        } else {
            // Incorrect password
            echo 'Incorrect username and/or password!';
        }
    } else {
        // Incorrect username
        echo 'Incorrect username and/or password!';
    }
 
	$stmt->close();
}
 
?>

home.php


<?php
session_start();
// We need to use sessions, so you should always start sessions using the below code.
$DATABASE_HOST = 'localhost';
$DATABASE_USER = 'root';
$DATABASE_PASS = '';
$DATABASE_NAME = 'phplogin';
$con = mysqli_connect($DATABASE_HOST, $DATABASE_USER, $DATABASE_PASS, $DATABASE_NAME);
// If the user is not logged in redirect to the login page...
if (!isset($_SESSION['loggedin'])) {
	header('Location: index.html');
	exit;
}
?>
 
<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>Home Page</title>
	</head>
	<body class="loggedin">
		<nav class="navtop">
			<div>
				<h1>Website Title</h1>
				<a href="profile.php"><i class="fas fa-user-circle"></i>Profile</a>
				<a href="logout.php"><i class="fas fa-sign-out-alt"></i>Logout</a>
			</div>
		</nav>
		<div class="content">
			<h2>Home Page</h2>
			<p>Welcome back, <?=$_SESSION['name']?>!</p>
		</div>
	</body>
</html>

profile.php


<?php
session_start();
// We need to use sessions, so you should always start sessions using the below code.
$DATABASE_HOST = 'localhost';
$DATABASE_USER = 'root';
$DATABASE_PASS = '';
$DATABASE_NAME = 'phplogin';
$con = mysqli_connect($DATABASE_HOST, $DATABASE_USER, $DATABASE_PASS, $DATABASE_NAME);
// If the user is not logged in redirect to the login page...
if (!isset($_SESSION['loggedin'])) {
	header('Location: index.html');
	exit;
}
$DATABASE_HOST = 'localhost';
$DATABASE_USER = 'root';
$DATABASE_PASS = '';
$DATABASE_NAME = 'phplogin';
$con = mysqli_connect($DATABASE_HOST, $DATABASE_USER, $DATABASE_PASS, $DATABASE_NAME);
if (mysqli_connect_errno()) {
	exit('Failed to connect to MySQL: ' . mysqli_connect_error());
}
// We don't have the password or email info stored in sessions so instead we can get the results from the database.
$stmt = $con->prepare('SELECT password, email FROM accounts WHERE id = ?');
// In this case we can use the account ID to get the account info.
$stmt->bind_param('i', $_SESSION['id']);
$stmt->execute();
$stmt->bind_result($password, $email);
$stmt->fetch();
$stmt->close();
?>
 
 
 
<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>Profile Page</title>
		<link href="style.css" rel="stylesheet" type="text/css">
		<link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.7.1/css/all.css">
	</head>
	<body class="loggedin">
		<nav class="navtop">
			<div>
				<h1>Website Title</h1>
				<a href="profile.php"><i class="fas fa-user-circle"></i>Profile</a>
				<a href="logout.php"><i class="fas fa-sign-out-alt"></i>Logout</a>
			</div>
		</nav>
		<div class="content">
			<h2>Profile Page</h2>
			<div>
				<p>Your account details are below:</p>
				<table>
					<tr>
						<td>Username:</td>
						<td><?=$_SESSION['name']?></td>
					</tr>
					<tr>
						<td>Password:</td>
						<td><?=$password?></td>
					</tr>
					<tr>
						<td>Email:</td>
						<td><?=$email?></td>
					</tr>
				</table>
			</div>
		</div>
	</body>
</html>

logout.php


<?php
session_start();
$DATABASE_HOST = 'localhost';
$DATABASE_USER = 'root';
$DATABASE_PASS = '';
$DATABASE_NAME = 'phplogin';
$con = mysqli_connect($DATABASE_HOST, $DATABASE_USER, $DATABASE_PASS, $DATABASE_NAME);
session_destroy();
// Redirect to the login page:
header('Location: index.html');
?>

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