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- <?php
- session_start();
- require_once("koneksi.php");
- if(isset($_SESSION['nisn'])){
- header("location: index_siswa.php");
- }
- ?>
- <html>
- <head>
- <title>LOG IN</title>
- </head>
- <body>
- <center>
- <h1>Silahkan Login</h1>
- <hr />
- <form action="" method="POST">
- <table>
- <tr>
- <?php
- // Kita akan membuat proses login nya disini
- if(isset($_POST['login'])){
- $nisn = $_POST['nisn'];
- $cari = mysqli_query($db, "SELECT * FROM siswa WHERE nisn='$nisn'");
- $hasil = mysqli_fetch_assoc($cari);
- // Jika data yang dicari kosong
- if(mysqli_num_rows($cari) == 0){
- echo "<td colspan='2'><center>NISN belum terdaftar!</center></td>";
- }else{
- // Jika nisn siswa sesuai dengan database maka akan redirect ke halaman utama dan akan dibuatkan sesi
- $_SESSION['nisn'] = $_POST['nisn'];
- header("location: index_siswa.php");
- }
- }
- ?>
- <tr>
- <td>NISN :</td>
- <td><input type="text" name="nisn"></td>
- </tr>
- <tr>
- <td></td>
- <td><input type="submit" value="LOG IN" name="login"></td>
- </tr>
- <tr>
- <td colspan="2"><center>Apakah anda seorang petugas? login
- <a href="login.php">disini</a>
- </center>
- </td>
- </tr>
- </table>
- </form>
- </center>
- </body>
- </html>
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