PHP-MySQL登录表单在提交后不会重定向到日志页面
我正在尝试使用php和mysql创建一个简单的登录表单。我的代码没有显示任何错误，因此我假设登录成功，但它不会将我重定向到下一个页面（dashboard.php）。我的数据库表的sql脚本和php代码可以在下面找到 我的login.php代码PHP-MySQL登录表单在提交后不会重定向到日志页面,php,mysql,Php,Mysql,我正在尝试使用php和mysql创建一个简单的登录表单。我的代码没有显示任何错误，因此我假设登录成功，但它不会将我重定向到下一个页面（dashboard.php）。我的数据库表的sql脚本和php代码可以在下面找到 我的login.php代码 <? include('header.php'); include('connect.php'); //Initialize the session if (session_status() == PHP_SESSION_NONE) { se
<?
include('header.php');
include('connect.php');
//Initialize the session
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
// Include config file
require_once "config.php";
// Check if the user is already logged in, if yes then redirect him to welcome page
if (isset($_SESSION["loggedin"]) && $_SESSION["loggedin"] === true) {
if ($_SESSION["type"] == "ADMIN") { //check usertype
header("Location: dashboard.php"); //if normal user redirect to dashbord.php
exit();
} else if ($_SESSION["type"] == "ACCOUNTANT") {
header("Location: dashboard.php"); //if accountant user redirect to empty.php
exit();
} else if ($_SESSION["type"] == "MANAGER") {
header("Location: dashboard.php"); //if manager user redirect to admin.php
exit();
}
}
// Define variables and initialize with empty values
$username = $password = "";
$username_err = $password_err = "";
// Processing form data when form is submitted
if ($_SERVER["REQUEST_METHOD"] == "POST") {
// Check if username is empty
if (empty(trim($_POST["username"]))) {
$username_err = "Please enter username.";
} else {
$username = trim($_POST["username"]);
}
// Check if password is empty
if (empty(trim($_POST["password"]))) {
$password_err = "Please enter your password.";
} else {
$password = trim($_POST["password"]);
}
// Validate credentials
if (empty($username_err) && empty($password_err)) {
// Prepare a select statement
$sql = "SELECT id, fname, username, password, type FROM users WHERE username = ?";
if ($stmt = mysqli_prepare($link, $sql)) {
// Bind variables to the prepared statement as parameters
mysqli_stmt_bind_param($stmt, "s", $param_username);
// Set parameters
$param_username = $username;
// Attempt to execute the prepared statement
if (mysqli_stmt_execute($stmt)) {
// Store result
mysqli_stmt_store_result($stmt);
// Check if user exists, if yes then verify password
if (mysqli_stmt_num_rows($stmt) == 1) {
// Bind result variables
mysqli_stmt_bind_result($stmt, $id, $fname, $username, $hashed_password, $type);
if (mysqli_stmt_fetch($stmt)) {
if (password_verify($password, $hashed_password)) {
// Password is correct, so start a new session
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
// Store data in session variables
$_SESSION["loggedin"] = true;
$_SESSION["id"] = $id;
$_SESSION["fname"] = $fname;
$_SESSION["username"] = $username;
$_SESSION["type"] = $type;
// Redirect user to welcome page
if ($_SESSION["type"] == "ADMIN") { //check usertype
header("Location: dashboard.php");
exit();
} else if ($_SESSION["type"] == "ACCOUNTANT") {
header("Location: dashboard.php");
exit();
} else if ($_SESSION["type"] == "MANAGER") {
header("Location: dashboard.php");
exit();
}
} else {
// Display an error message if password is not valid
$PASSWORD_err = "The password you entered was not valid.";
}
}
} else {
// Display an error message if username doesn't exist
$username_err = "No account found with that username.";
}
} else {
echo "Something went wrong. Please try again later.";
}
// Close statement
mysqli_stmt_close($stmt);
}
}
// Close connection
mysqli_close($link);
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Login</title>
<link rel="stylesheet" href="assets/css/style.css">
</head>
<body>
<div class="login-container">
<div class="login-form">
<h3>Login</h3>
<form action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>" method="post">
<div class="form-container">
<label for="username">Username</label>
<div class="input-container">
<input type="text" name="username" placeholder="username" class="text-input"/>
<img src="assets/img/svg/icon-user.svg" alt="user icon">
</div>
</div>
<div class="form-container">
<label for="password">Password</label>
<div class="input-container">
<input type="password" name="password" placeholder="password" class="text-input"/>
<img src="assets/img/svg/icon-password.svg" alt="password icon">
</div>
</div>
<div class="btn-container">
<input type="submit" class="login-btn" value="Login">
</div>
</form>
</div>
</div>
</body>
</html>
header("Location: dashboard.php");
我假设您已经（在某处）进行了验证等，以设置
会话窗口。location标题（“dashboard.php”）标题（“location:dashboard.php”）<?php
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
?>
<!DOCTYPE html>
<html lang="zxx">
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Login</title>
<link rel="stylesheet" href="assets/css/style.css">
</head>
<body>
<?php
if (session_status() == PHP_SESSION_NONE) {
session_start();
}
?>
<?php
$servername = "localhost";
$username = "";
$password = "";
$dbname = "erp_system";
// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
die("Connection failed: " . $conn->connect_error);
}
CREATE TABLE `users` (
`id` int(11) NOT NULL,
`fname` varchar(45) NOT NULL,
`username` varchar(45) NOT NULL,
`password` varchar(45) NOT NULL,
`type` varchar(45) NOT NULL,
`created_at` date NOT NULL DEFAULT current_timestamp()
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
header("dashboard.php");
header("Location: dashboard.php");