Pendaftaran Siswa Ditambah dengan AJAX?!

Dalam database pendaftaran siswa, minggu ini ditambahkan dengan AJAX (Asynchronous Javascript and XML). Pada halaman awal, terdapat 2 menu yaitu List Siswa dan Pendaftaran Siswa.

Tampilan


 


Source Code

config.html

 <?php  
 $server = "localhost";  
 $user = "root";  
 $password = "";  
 $nama_database = "pendaftaran_siswa";  
 $db = mysqli_connect($server, $user, $password="", $nama_database);  
 if( !$db ){  
   die("Gagal terhubung dengan database: " . mysqli_connect_error());  
 }  
 ?>  

index.html

 <!DOCTYPE html>  
 <html>  
 <head>  
   <link rel="stylesheet" type="text/css" href="siswa.css">   
   <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">   
   <script>   
     function loadsiswa() {   
       var xhttp;   
       if (window.XMLHttpRequest) {   
         xhttp = new XMLHttpRequest();   
       }    
       else {   
         xhttp = new ActiveXObject("Microsoft.XMLHTTP");   
       }   
       xhttp.onreadystatechange = function() {   
         if (this.readyState == 4 && this.status == 200) {   
           document.getElementById("tampil").innerHTML = this.responseText;   
         }   
       };   
       xhttp.open("GET", "list-siswa.php", true);   
       xhttp.send();   
     }   
     function daftarsiswa() {   
       var xhttp;   
       if (window.XMLHttpRequest) {   
         xhttp = new XMLHttpRequest();   
       }    
       else {   
         xhttp = new ActiveXObject("Microsoft.XMLHTTP");   
       }   
       xhttp.onreadystatechange = function() {   
         if (this.readyState == 4 && this.status == 200) {   
           document.getElementById("tampil").innerHTML = this.responseText;   
         }   
       };   
       xhttp.open("GET", "form-daftar.php", true);   
       xhttp.send();   
     }  
     function hapus(id) {   
       var xhttp;   
       if (window.XMLHttpRequest) {   
         xhttp = new XMLHttpRequest();   
       }    
       else {   
         xhttp = new ActiveXObject("Microsoft.XMLHTTP");   
       }   
       xhttp.onreadystatechange = function() {   
         if (this.readyState == 4 && this.status == 200) {   
           alert(this.responseText);   
           loadsiswa();   
         }   
       };   
       xhttp.open("GET", "hapus.php?id=" + id, true);   
       xhttp.send();   
     }   
    </script>  
   <title>Pendaftaran Siswa Baru | SMK Coding</title>  
 </head>  
 <body style="text-align: center;">  
   <header>  
     <h3>Pendaftaran Siswa Baru</h3>  
     <h1>SMK Coding</h1>  
   </header>  
   <button type="button" onclick="loadsiswa()">List Siswa</button>  
   <button type="button" onclick="daftarsiswa()">Pendaftaran Siswa</button>  
   <div id="tampil"></div>  
   </body>  
 </html>  

form-daftar.html

 <!DOCTYPE html>  
 <html>  
 <head>  
   <link rel="stylesheet" type="text/css" href="siswa.css">   
   <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">   
   <title>Formulir Pendaftaran Siswa Baru | SMK Coding</title>  
   <script type="text/javascript">   
   function tambah() {   
     var nama = document.getElementById("nama").value;   
     var alamat = document.getElementById("alamat").value;   
     var jenis_kelamin;   
     if(document.getElementById("kel_l").checked) {   
       jenis_kelamin = "laki-laki";   
     }   
     else { jenis_kelamin = "perempuan";}   
     var agama = document.getElementById("agama").value;   
     var sekolah_asal = document.getElementById("sekolah_asal").value;   
     var xhttp;   
     if (window.XMLHttpRequest) {   
       xhttp = new XMLHttpRequest();   
     }    
     else {   
       xhttp = new ActiveXObject("Microsoft.XMLHTTP");   
     }   
     xhttp.onreadystatechange = function() {   
     if (this.readyState == 4 && this.status == 200)    
     {   
       alert('Pendaftaran berhasil');    
       loadsiswa();    
     }   
     };   
     xhttp.open("GET", "proses-pendaftaran.php?nama=" + nama + "&alamat=" + alamat + "&jenis_kelamin=" + jenis_kelamin + "&agama=" + agama + "&sekolah_asal=" + "sekolah_asal", true);   
     xhttp.send();   
   }   
   </script>    
 </head>  
 <body>  
   <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" id="nama" placeholder="Nama Lengkap" />  
     </p>  
     <p>  
       <label for="alamat">Alamat: </label>  
       <textarea name="alamat" id="alamat"></textarea>  
     </p>  
     <p>  
       <label for="jenis_kelamin">Jenis Kelamin: </label>  
       <label><input type="radio" name="jenis_kelamin" id="jkel_l" value="laki-laki"> Laki-laki</label>  
       <label><input type="radio" name="jenis_kelamin" id="jkel_p" value="perempuan"> Perempuan</label>  
     </p>  
     <p>  
       <label for="agama">Agama: </label>  
       <select name="agama" id="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" id="sekolah_asal" placeholder="nama sekolah" />  
     </p>  
     <p>  
       <input type="submit" value="Daftar" name="daftar" onclick="tambah()" />  
     </p>  
     </fieldset>  
   </form>  
   </body>  
 </html>  

form-edit.html

 <?php  
 include("config.php");  
 if( !isset($_GET['id']) ){  
   header('Location: list-siswa.php');  
 }  
 $id = $_GET['id'];  
 $sql = "SELECT * FROM calon_siswa WHERE id=$id";  
 $query = mysqli_query($db, $sql);  
 $siswa = mysqli_fetch_assoc($query);  
 if( mysqli_num_rows($query) < 1 ){  
   die("Data tidak ditemukan.");  
 }  
 ?>  
 <!DOCTYPE html>  
 <html>  
 <head>  
   <title>Formulir Edit Siswa | SMK Coding</title>  
   <link rel="stylesheet" type="text/css" href="siswa.css">   
   <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">   
   <script type="text/javascript">   
     function edit(){   
     var nama = document.getElementById("nama").value;   
     var alamat = document.getElementById("alamat").value;   
     var jenis_kelamin;   
     if(document.getElementById("jkel_l").checked)   
     {   
       jenis_kelamin = "laki-laki";   
     }   
     else { jenis_kelamin = "perempuan";}   
     var agama = document.getElementById("agama").value;   
     var sekolah_asal = document.getElementById("sekolah_asal").value;   
     var xhttp;   
     if (window.XMLHttpRequest) {   
       xhttp = new XMLHttpRequest();   
     }    
     else {   
       xhttp = new ActiveXObject("Microsoft.XMLHTTP");   
     }   
     xhttp.onreadystatechange = function() {   
     if (this.readyState == 4 && this.status == 200)    
     {   
       alert('Edit Berhasil.');   
       loadsiswa();   
     }   
     };   
     xhttp.open("GET", "proses-edit.php?id=" + <?php echo $id; ?> + "&nama=" + nama + "&alamat=" + alamat + "&jenis_kelamin=" + jenis_kelamin + "&agama=" + agama + "&sekolah_asal=" + "sekolah_asal", true);   
     xhttp.send();   
   }   
   </script>    
 </head>  
 <body>  
   <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="nama">Nama: </label>  
       <input type="text" name="nama" id="nama" placeholder="nama lengkap" value="<?php echo $siswa['nama'] ?>" />  
     </p>  
     <p>  
       <label for="alamat">Alamat: </label>  
       <textarea name="alamat" id="alamat"><?php echo $siswa['alamat'] ?></textarea>  
     </p>  
     <p>  
       <label for="jenis_kelamin">Jenis Kelamin: </label>  
       <?php $jk = $siswa['jenis_kelamin']; ?>  
       <label><input type="radio" name="jenis_kelamin" id="jkel_l" value="laki-laki" <?php echo ($jk == 'laki-laki') ? "checked": "" ?>> Laki-laki</label>  
       <label><input type="radio" name="jenis_kelamin" id="jkel_p" value="perempuan" <?php echo ($jk == 'perempuan') ? "checked": "" ?>> Perempuan</label>  
     </p>  
     <p>  
       <label for="agama">Agama: </label>  
       <?php $agama = $siswa['agama']; ?>  
       <select name="agama" id="agama">  
         <option <?php echo ($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" id="sekolah_asal" placeholder="nama sekolah" value="<?php echo $siswa['sekolah_asal'] ?>" />  
     </p>  
     <p>  
       <input type="submit" value="Simpan" name="simpan" onclick="edit()" />  
     </p>  
     </fieldset>  
   </form>  
   </body>  
 </html>  

list-siswa.html

 <?php include("config.php"); ?>  
 <!DOCTYPE html>  
 <html>  
 <head>  
   <title>Pendaftaran Siswa Baru | SMK Coding</title>  
   <link rel="stylesheet" type="text/css" href="siswa.css">   
   <link rel="stylesheet" href="https://use.fontawesome.com/releases/v5.3.1/css/all.css" integrity="sha384-mzrmE5qonljUremFsqc01SB46JvROS7bZs3IO2EmfFsd15uHvIt+Y8vEf7N7fWAU" crossorigin="anonymous">   
 </head>  
 <body>  
   <header>  
     <h3>Siswa yang sudah mendaftar</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);    
     $no = 0;   
     while($siswa = mysqli_fetch_array($query)){    
       echo "<tr>";    
       $no++;   
       echo "<td>".$no."</td>";   
       echo "<td>".$siswa['nama']."</td>";    
       echo "<td>".$siswa['alamat']."</td>";    
       echo "<td>".$siswa['jenis_kelamin']."</td>";    
       echo "<td>".$siswa['agama']."</td>";    
       echo "<td>".$siswa['sekolah_asal']."</td>";    
       echo "<td>";    
       echo "<button><a href='form-edit.php?id=".$siswa['id']."'>Edit</a></button> | ";    
       echo "<input type='button' onclick=hapus('".$siswa['id']."') value='Hapus'>";   
       echo "</td>";    
       echo "</tr>";    
     }    
   ?>    
   </tbody>  
   </table>  
   <p> Total: <?php echo mysqli_num_rows($query) ?></p>  
   <div id="tampil"></div>  
   </body>  
 </html>  

hapus.php

 <?php  
 include("config.php");  
 if( isset($_GET['id']) ){  
   $id = $_GET['id'];  
   $sql = "DELETE FROM calon_siswa WHERE id=$id";  
   $query = mysqli_query($db, $sql);  
   if( $query ){  
     echo "Data Mahasiswa berhasil dihapus";  
   } else {  
     die("Gagal dihapus.");  
   }  
 } else {  
   die("Akses dilarang!");  
 }  
 ?>  

proses-edit.php

 <?php  
 include("config.php");  
 if(isset($_POST['simpan'])){  
   $id = $_POST['id'];  
   $nama = $_POST['nama'];  
   $alamat = $_POST['alamat'];  
   $jk = $_POST['jenis_kelamin'];  
   $agama = $_POST['agama'];  
   $sekolah = $_POST['sekolah_asal'];  
   $sql = "UPDATE calon_siswa SET nama='$nama', alamat='$alamat', jenis_kelamin='$jk', agama='$agama', sekolah_asal='$sekolah' WHERE id=$id";  
   $query = mysqli_query($db, $sql);  
   if( $query ) {  
     header('Location: index.html');  
   } else {  
     die("Gagal menyimpan perubahan.");  
   }  
 } else {  
   die("Akses dilarang!");  
 }  
 ?>  

proses-pendaftaran.php

 <?php  
 include("config.php");  
 if(isset($_POST['daftar'])){  
   $nama = $_POST['nama'];  
   $alamat = $_POST['alamat'];  
   $jk = $_POST['jenis_kelamin'];  
   $agama = $_POST['agama'];  
   $sekolah = $_POST['sekolah_asal'];  
   $sql = "INSERT INTO calon_siswa (nama, alamat, jenis_kelamin, agama, sekolah_asal) VALUE ('$nama', '$alamat', '$jk', '$agama', '$sekolah')";  
   $query = mysqli_query($db, $sql);  
   if( $query ) {  
     header('Location: index.php');  
   } else {  
     echo "Pendaftaran siswa gagal.";  
   }  
 } else {  
   die("Akses dilarang!");  
 }  
 ?>  

proses-hapus.php

 <?php include("config.php"); ?>  
 <?php   
      mysqli_query($db, "delete from calon_siswa where id = ".$_GET['id']);   
 ?>  

siswa.css

  @import url('https://fonts.googleapis.com/css?family=PT+Serif');   
  @import url('https://fonts.googleapis.com/css?family=Hind+Siliguri');  
  body {   
    background-color: ghostwhite;   
    margin: auto;   
  }   
  * {   
    font-family: 'PT Serif', serif;   
  }   
  h1, h3{   
    text-align: center;   
    color: lightsalmon;   
    text-shadow: 1px 1px 0px #DCDCDC;   
    margin: 50px 0px 0px 0px;   
    font-family: 'Hind Siliguri', sans-serif;   
  }   
  a:link {   
    text-decoration: none;   
  }   
  table {   
  border: 2px solid #ccc;   
  border-collapse: collapse;   
  width: 100%;   
  }   
  table tr {   
  border: 1px solid #ddd;   
  padding: .35em;   
  }   
  table tr:nth-child(even) {   
  background: lightcoral;    
  }   
  table th, table td {   
  padding: .625em;   
  text-align: left;   
  }   
  table th {   
  background: indianred;   
  color: #fff;   
  font-size: .85em;   
  letter-spacing: .1em;   
  text-transform: uppercase;   
  }   
  table td {   
  white-space: nowrap;   
  overflow: hidden;   
  text-overflow: ellipsis;   
  }   

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