';
session_start();
$error = '';
if (isset($_GET['register_success']) && $_GET['register_success'] == 1) {
$success = '注册成功，请登录';
}
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$loginId = trim($_POST['login_id']);
$password = $_POST['password'];
if (empty($loginId) || empty($password)) {
$error = '邮箱/用户名和密码不能为空';
} else {
// 检查数据库连接是否为 MySQLi 对象
if (!($conn instanceof mysqli)) {
log_error('数据库连接错误: 连接不是MySQLi实例', __FILE__, __LINE__);
$error = '数据库连接错误，请检查配置';
} else {
$stmt = $conn->prepare('SELECT id, username, password FROM developers WHERE email = ? OR username = ?');
if (!$stmt) {
log_error('登录查询准备失败: ' . $conn->error, __FILE__, __LINE__);
$error = '登录时发生错误，请稍后再试';
} else {
$stmt->bind_param('ss', $loginId, $loginId);
if (!$stmt->execute()) {
log_error('登录查询执行失败: ' . $stmt->error, __FILE__, __LINE__);
$error = '登录时发生错误，请稍后再试';
} else {
$result = $stmt->get_result();
$developer = $result->fetch_assoc();
if ($developer && password_verify($password, $developer['password'])) {
$_SESSION['developer_id'] = $developer['id'];
$_SESSION['developer_username'] = $developer['username'];
// 处理自动登录
if (isset($_POST['remember_me']) && $_POST['remember_me'] === 'on') {
$cookie_lifetime = 30 * 24 * 60 * 60; // 30天
$cookie_params = session_get_cookie_params();
setcookie(
session_name(),
session_id(),
time() + $cookie_lifetime,
$cookie_params['path'],
$cookie_params['domain'],
$cookie_params['secure'],
$cookie_params['httponly']
);
ini_set('session.gc_maxlifetime', $cookie_lifetime);
}
header('Location: dashboard.php');
exit;
} else {
$error = '邮箱/用户名或密码错误';
}
}
}
}
}
}
?>
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