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form.php
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<?php
//koneksi
session_start();
include("koneksi.php");
include "header.php";
$tampil = $koneksi->query("SELECT b.nama_alternatif,c.nama_kriteria,a.nilai,c.bobot
FROM
tab_topsis a
JOIN
tab_alternatif b USING(id_alternatif)
JOIN
tab_kriteria c USING(id_kriteria)");
$data = array();
$kriterias = array();
$bobot = array();
$nilai_kuadrat = array();
if ($tampil) {
while ($row = $tampil->fetch_object()) {
if (!isset($data[$row->nama_alternatif])) {
$data[$row->nama_alternatif] = array();
}
if (!isset($data[$row->nama_alternatif][$row->nama_kriteria])) {
$data[$row->nama_alternatif][$row->nama_kriteria] = array();
}
if (!isset($nilai_kuadrat[$row->nama_kriteria])) {
$nilai_kuadrat[$row->nama_kriteria] = 0;
}
$bobot[$row->nama_kriteria] = $row->bobot;
$data[$row->nama_alternatif][$row->nama_kriteria] = $row->nilai;
$nilai_kuadrat[$row->nama_kriteria] += pow($row->nilai, 2);
$kriterias[] = $row->nama_kriteria;
}
}
$kriteria = array_unique($kriterias);
$jml_kriteria = count($kriteria);
?>
<html>
<head>
</head>
<body>
<div class="panel panel-primary" style="margin-left: 300px; margin-right: 300px;">
<div class="panel-heading text-center" style="background-color: #13464b; color: white ;">
Pemberian Nilai Matriks
</div>
<div class="panel-body">
<form action="inputtambah.php" method="POST" style="padding: 10px;">
<div class="row">
<div class="col-md-6">
<div class="form-group">
<label class="form-label">Nama Alternatif</label>
<select class="form-control" name="alter">
<option>Nama Alternatif</option>
<?php
//ambil data dari database
$nama = $koneksi->query('SELECT * FROM tab_alternatif ORDER BY nama_alternatif');
while ($datalter = $nama->fetch_array()) {
echo "<option value=\"$datalter[id_alternatif]\">$datalter[nama_alternatif]</option>\n";
}
?>
</select>
</div>
</div>
</div>
<table class="table table-striped table-bordered table-hover">
<thead>
<tr>
<th>Nama Kriteria</th>
<th>Poin</th>
</tr>
</thead>
<tbody>
<?php
$no = 1;
$sql = $koneksi->query('SELECT * FROM tab_kriteria');
while ($row = $sql->fetch_array()) {
?>
<tr>
<td><?php echo $row[1] ?><input type="hidden" class="form-control" name="krit" placeholder="" value="<?php echo $row[0] ?>" readonly /></td>
<td>
<?php
$data = $row[2];
$loop = explode(',', $data);
$loopdata = '<select class="form-control" name="nilai'.$row[0].'"><option>Nilai</option>';
foreach ($loop as $key => $value) {
$loopdata .= '<option value="' . $key++ . '">'.$key++ . $value . '</option>' . "\r\n";
}
$loopdata .= '</select>';
echo $loopdata;
?>
</td>
</tr>
<?php } ?>
</tbody>
</table>
<button type="submit" class="btn btn-success">Proses</button>
</form>
</div>
</div>
</body>
</html>