login

<!DOCTYPE HTML>
<?php session_start();
 include 'koneksi.php';
if (isset($_POST['username']) && isset($_POST['password']))
 {
     $username = mysqli_real_escape_string($conn, $_POST['username']);
     $password = md5(mysqli_real_escape_string($conn, $_POST['password']));
     $result = mysqli_query($conn, "SELECT * FROM tb_user WHERE u_username='$username' and u_password='$password'");
     $count = mysqli_num_rows($result);
     $row = mysqli_fetch_array($result, MYSQLI_ASSOC);
      if($row['level'] == 1){
			$_SESSION['login_user']=$username;
			echo '<script language="javascript">alert("Anda berhasil Login Admin!"); document.location="inventory/index.php";</script>';
			}else if($row['level'] == 2){
			$_SESSION['login_user']=$username;
		echo '<script language="javascript">alert("Anda berhasil Login Admin!"); document.location="pengiriman/index.php";</script>';
		}else if($row['level'] == 3){
			$_SESSION['login_user']=$username;
			echo '<script language="javascript">alert("Anda berhasil Login Admin!"); document.location="general/index.php";</script>';

		}else
		{

		echo '<script language="javascript">alert("Maaf Username Password anda salah!"); document.location="index.php";</script>';
	 }
  } ?>


  <html lang="en">

    <head>
      <meta charset="UTF-8" />
      <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">
      <title>
        My Site
      </title>
      <link rel="stylesheet" href="css/bootstrap.css"/>
      <link rel="stylesheet" href="css/custom.css"/>
      <script src="js/jquery.min.js">
      </script>
      <script src="js/jquery.ui.shake.js">
      </script>
      <script>

      </script>
    </head>

    <body>
      <div class="container">
        <div id="box" class="">
          <div class="card card-container wella">
<div align="center">
<h4>Application Inventory</h4>
<img id="profile-img" class="" src="images/perhutani.png" width="50px" height="50px" align="center" />
</div>
<p id="profile-name" class="profile-name-card">
            </p>
            <form action="" method="post">
              <label>
                Username
              </label>
              <input type="text" name="username" class="form-control" autocomplete="off" id="username" required/>
              <label>
                Password
              </label>
              <input type="password" name="password" class="form-control" autocomplete="off" id="password" required/>
              <br/>
              <input type="submit" class="btn btn-lg btn-primary btn-block btn-signin" value="Login" id="login"/>
              <span class='alert'>
              </span>
              <div id="error">
              </div>
            </form>
          </div>
        </div>
      </div>
      <script src="js/jquery.backstretch.js">
      </script>
      <script>
        $.backstretch(["images/1.jpg", "images/2.jpg", "images/3.jpg", "images/4.jpg"], {
          fade: 750,
          duration: 4000
        });
      </script>
    </body>

  </html>