Penerapan AJAX secara sederhana
Faqih Fathan Irfani
05111740000175
PWEB-C
05111740000175
PWEB-C
index
Form edit
List siswa
Form pendaftaran
Source Code:
index.php
<!DOCTYPE html>
<html>
<head>
<title>Pendaftaran siswa baru|| SMA SUKA-ONAR</title>
<script>
function showsiswa() {
if (window.XMLHttpRequest) {
xhttp = new XMLHttpRequest();
}
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200){
document.getElementById("demo").innerHTML = this.responseText;
}
};
xhttp.open("GET", "list-siswa.php", true);
xhttp.send();
}
function daftar() {
if (window.XMLHttpRequest) {
xhttp = new XMLHttpRequest();
}
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200){
document.getElementById("demo").innerHTML = this.responseText;
}
};
xhttp.open("GET", "form-daftar.php", true);
xhttp.send();
}
function edit() {
if (window.XMLHttpRequest) {
xhttp = new XMLHttpRequest();
}
xhttp.onreadystatechange = function() {
if (this.readyState == 4 && this.status == 200){
document.getElementById("demo").innerHTML = this.responseText;
}
};
xhttp.open("GET", "form-edit.php", true);
xhttp.send();
}
</script>
</head>
<style type="text/css">
body{ background-image: url('bbb.jpg');
}
</style>
<body>
<header>
<h3>Pendaftaran siswa baru</h3>
<h1>SMA SUKA-ONAR</h1>
</header>
<h4>Menu</h4>
<p><button type="button" onclick="showsiswa()">List Siswa</button></p>
<p><button type="button" onclick="daftar()">Pendaftaran Siswa</button></p>
</div>
<div id="demo">
</div>
</body>
</html>
config.php
<?php
$server = "localhost";
$user = "root";
$password = "";
$nama_database = "pendaftaran siswa";
$db = mysqli_connect($server, $user, $password, $nama_database);
// echo "Berhasil bossku";
if( !$db ){
die("Gagal terhubung dengan database: " . mysqli_connect_error());
}
?>
form-daftar.php
<!DOCTYPE html>
<html>
<head>
<title>Formulir Pendaftaran Siswa Baru ||SMA SUKA-ONAR</title>
</head>
<body style="text-align: center;">
<header>
<h3>Formulir Pendaftaran Siswa Baru</h3>
</header>
<form action="proses-pendaftaran.php" method="POST">
<fieldset>
<p>
<label for="nama">Nama: </label>
<input type="text" name="nama" placeholder="nama lengkap" />
</p>
<p>
<label for="alamat">Alamat: </label>
<textarea name="alamat"></textarea>
</p>
<p>
<label for="jenis_kelamin">Jenis Kelamin: </label>
<label><input type="radio" name="jenis_kelamin" value="laki-laki"> Laki-laki</label>
<label><input type="radio" name="jenis_kelamin" value="perempuan"> Perempuan</label>
</p>
<p>
<label for="agama">Agama: </label>
<select name="agama">
<option>Islam</option>
<option>Kristen</option>
<option>Hindu</option>
<option>Budha</option>
<option>Atheis</option>
</select>
</p>
<p>
<label for="sekolah_asal">Sekolah Asal: </label>
<input type="text" name="sekolah_asal" placeholder="nama sekolah" />
</p>
<p>
<input type="submit" value="Daftar" name="daftar" />
</p>
</fieldset>
</form>
</body>
</html>
Proses-pendaftaran.php
<!DOCTYPE html>
<html>
<head>
<title>Formulir Pendaftaran Siswa Baru ||SMA SUKA-ONAR</title>
</head>
<body style="text-align: center;">
<header>
<h3>Formulir Pendaftaran Siswa Baru</h3>
</header>
<form action="proses-pendaftaran.php" method="POST">
<fieldset>
<p>
<label for="nama">Nama: </label>
<input type="text" name="nama" placeholder="nama lengkap" />
</p>
<p>
<label for="alamat">Alamat: </label>
<textarea name="alamat"></textarea>
</p>
<p>
<label for="jenis_kelamin">Jenis Kelamin: </label>
<label><input type="radio" name="jenis_kelamin" value="laki-laki"> Laki-laki</label>
<label><input type="radio" name="jenis_kelamin" value="perempuan"> Perempuan</label>
</p>
<p>
<label for="agama">Agama: </label>
<select name="agama">
<option>Islam</option>
<option>Kristen</option>
<option>Hindu</option>
<option>Budha</option>
<option>Atheis</option>
</select>
</p>
<p>
<label for="sekolah_asal">Sekolah Asal: </label>
<input type="text" name="sekolah_asal" placeholder="nama sekolah" />
</p>
<p>
<input type="submit" value="Daftar" name="daftar" />
</p>
</fieldset>
</form>
</body>
</html>
form-edit
<?php
include("config.php");
// kalau tidak ada id di query string
if( !isset($_GET['id']) ){
header('Location: list-siswa.php');
}
//ambil id dari query string
$id = $_GET['id'];
// buat query untuk ambil data dari database
$sql = "SELECT * FROM calon_siswa WHERE id=$id";
$query = mysqli_query($db, $sql);
$siswa = mysqli_fetch_assoc($query);
// jika data yang di-edit tidak ditemukan
if( mysqli_num_rows($query) < 1 ){
die("data tidak ditemukan...");
}
?>
<!DOCTYPE html>
<html>
<head>
<title>Formulir Edit Siswa | SMK SUKA-ONAR</title>
<style type="text/css">
body{ background-image: url('bbb.jpg');
}
</style>
</head>
<body style="text-align: center;">
<header>
<h3>Formulir Edit Siswa</h3>
</header>
<form action="proses-edit.php" method="POST">
<fieldset>
<input type="hidden" name="id" value="<?php echo $siswa['id'] ?>" />
<p>
<label for="name">nama: </label>
<input type="text" nama="nama" placeholder="nama lengkap" value="<?php echo $siswa['nama'] ?>" />
</p>
<p>
<label for="alamat">Alamat: </label>
<textarea name="alamat"><?php echo $siswa['alamat'] ?></textarea>
</p>
<p>
<label for="jenis_kelamin">Jenis Kelamin: </label>
<?php $jk = $siswa['jenis_kelamin']; ?>
<label><input type="radio" name="jenis_kelamin" value="laki-laki" <?php echo ($jk == 'laki-laki') ? "checked": "" ?>> Laki-laki</label>
<label><input type="radio" name="jenis_kelamin" value="perempuan" <?php echo ($jk == 'perempuan') ? "checked": "" ?>> Perempuan</label>
</p>
<p>
<label for="agama">Agama: </label>
<?php $agama = $siswa['agama']; ?>
<select name="agama">
<option <?php echo ($agama == 'Islam') ? "selected": "" ?>>Islam</option>
<option <?php echo ($agama == 'Kristen') ? "selected": "" ?>>Kristen</option>
<option <?php echo ($agama == 'Hindu') ? "selected": "" ?>>Hindu</option>
<option <?php echo ($agama == 'Budha') ? "selected": "" ?>>Budha</option>
<option <?php echo ($agama == 'Atheis') ? "selected": "" ?>>Atheis</option>
</select>
</p>
<p>
<label for="sekolah_asal">Sekolah Asal: </label>
<input type="text" name="sekolah_asal" placeholder="name sekolah" value="<?php echo $siswa['sekolah_asal'] ?>" />
</p>
<p>
<input type="submit" value="Simpan" name="simpan" />
</p>
</fieldset>
</form>
</body>
</html>
proses-edit.php
<?php
include("config.php");
// cek apakah tombol simpan sudah diklik atau blum?
if(isset($_POST['simpan'])){
// ambil data dari formulir
$id = $_POST['id'];
$nama = $_POST['nama'];
$alamat = $_POST['alamat'];
$jk = $_POST['jenis_kelamin'];
$agama = $_POST['agama'];
$sekolah = $_POST['sekolah_asal'];
// buat query update
$sql = "UPDATE calon_siswa SET nama='$nama', alamat='$alamat', jenis_kelamin='$jk', agama='$agama', sekolah_asal='$sekolah' WHERE id=$id";
$query = mysqli_query($db, $sql);
// apakah query update berhasil?
if( $query ) {
// kalau berhasil alihkan ke halaman list-siswa.php
header('Location: index.php');
} else {
// kalau gagal tampilkan pesan
die("Gagal menyimpan perubahan...");
}
} else {
die("Akses dilarang...");
}
?>
hapus.php
<?php
include("config.php");
if( isset($_GET['id']) ){
// ambil id dari query string
$id = $_GET['id'];
// buat query hapus
$sql = "DELETE FROM calon_siswa WHERE id=$id";
$query = mysqli_query($db, $sql);
// apakah query hapus berhasil?
if( $query ){
header('Location:index.php');
} else {
die("gagal menghapus...");
}
} else {
die("akses dilarang...");
}
?>
list-siswa.php
<?php include("config.php"); ?>
<!DOCTYPE html>
<html>
<head>
<title>Pendaftaran Siswa Baru || SMA SUKA-ONAR</title>
</head>
<body style="text-align: center;">
<header>
<h3>DAFTAR PENDAFTAR</h3>
</header>
<br>
<table border="1" align="center">
<thead>
<tr>
<th>No</th>
<th>Nama</th>
<th>Alamat</th>
<th>Jenis Kelamin</th>
<th>Agama</th>
<th>Sekolah Asal</th>
<th>Tindakan</th>
</tr>
</thead>
<tbody>
<?php
$sql = "SELECT * FROM calon_siswa";
$query = mysqli_query($db, $sql);
$nomor=0;
while($siswa = mysqli_fetch_array($query)){
echo "<tr>";
$nomor++;
echo "<td>".$nomor."</td>";
echo "<td>".$siswa['nama']."</td>";
echo "<td>".$siswa['alamat']."</td>";
echo "<td>".$siswa['jenis_kelamin']."</td>";
echo "<td>".$siswa['agama']."</td>";
echo "<td>".$siswa['sekolah_asal']."</td>";
echo "<td>";
echo "<a href='form-edit.php?id=".$siswa['id']."'>Edit</a> | ";
echo "<a href='hapus.php?id=".$siswa['id']."'>Hapus</a>";
echo "</td>";
echo "</tr>";
}
?>
</tbody>
</table>
<p>Total: <?php echo mysqli_num_rows($query) ?></p>
</body>
</html>
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