Question

我是关于codeigniter 3的新手，我的代码有问题请帮忙。

这是我的控制器

    public function update_data(){
$no_induk = $_POST['nik'];
$nama = $_POST['nama'];
$alamat = $_POST['alamat'];
$data = array(
    'nama' => $nama,
    'alamat' => $alamat
 );
$where = array(
    'no_induk' => $no_induk,
);
$this->load->model('mahasiswa_m');
$res = $this->mahasiswa_m->Update('mahasiswa', $data, $where);
if ($res>0) {
    redirect('mahasiswa_c/index','refresh');
    }

}

<!DOCTYPE html>
<html>

<head>
	<title>Form Edit</title>
</head>

<body>
	<table>
		<form method="post" action="<?php echo base_url()." index.php/mahasiswa_c/update_data "; ?>">
			<tr>
				<td>Nomor Induk</td>
				<td>:</td>
				<td>
					<input type="text" name="nik" disabled placeholder="Masukkan Nomor Induk.." value="<?php echo $no_induk; ?>">
				</td>
			</tr>
			<tr>
				<td>Nama</td>
				<td>:</td>
				<td>
					<input type="text" required name="nama" placeholder="Masukkan Nama Anda.." value="<?php echo $nama; ?>">
				</td>
			</tr>
			<tr>
				<td>Alamat</td>
				<td>:</td>
				<td>
					<textarea style="resize: none;" required name="alamat">
						<?php echo $alamat; ?>
					</textarea>
				</td>
			</tr>
			<tr>
				<td></td>
				<td></td>
				<td>
					<input type="submit" name="submit" value="Update">
				</td>
			</tr>
		</form>
	</table>
</body>

</html>

我收到了错误消息：未定义的索引：nik

文件名：controllers / mahasiswa_c.php

行号：48

请帮帮我。

谢谢

error codeigniter undefined index

0 个答案: