我在PHP MySQL中使用多角色用户登录时遇到问题,我在没有错误处理的情况下尝试了代码,以查看它是否有效,但是无效;任何提示将不胜感激谢谢您
session_start();
if( isset($_POST['submit'])){
include 'db.php';
$username = mysqli_real_escape_string($conn,$_POST['username']);
$password = mysqli_real_escape_string($conn,$_POST['password']);
$sql = "SELECT * FROM utilisateur WHERE username = '$username'";
$result = mysqli_query($conn,$sql);
if ($row = mysqli_fetch_assoc($result)){
$SESSION['Id'] = $row['Id'];
$SESSION['login'] = $row['login'];
$SESSION['type'] = $row['type'];
if( $SESSION['type'] == "admin" ){
header('Location: admin.html');}
else if( $SESSION['type'] == "Cardio" ){
header('Location: Cardio.html');}
}
}