alert('请先登录');location.href='login.php'";
exit;
}
// 连接mysql数据库
include_once("db.php");
$page = isset($page) ? $page : '';
$pageTitle = isset($pageTitle) ? $pageTitle : '网站后台管理';
if (isset($_GET["logout"])) {
session_destroy();
echo "";
}
// 获取用户头像
$username = $_SESSION["username"];
$sql = "SELECT * FROM users WHERE username = '$username'";
$result = mysqli_query($conn, $sql);
$row = mysqli_fetch_assoc($result);
$avatar = $row["avatar"];
?>
<?php echo $pageTitle; ?>
