uji coba

<?php

public function index() {
    $data['str_data_siswa'] = '';
    $sql="select * from 'input'";
    $hasil = $this->db->query($sql);
    $i = 0;
    foreach ($hasil->result() as $item)
    {
        $i++;
        $data['str_data_siswa'] .= '<tr>
        <td>'.$i.'</td>
        <td>'.$item->id_barang.'</td>
        <td>'.$item->nama.'</td>
        <td>'.$item->jk.'</td>
        <td>'.$item->alamat.'</td>
        <td><a href="'. base_url().'index.php/siswa/edit?nis='.$item->id_barang.'">Edit</a></td>
        <td><a href="'. base_url().'index.php/siswa/hapus?nis='.$item->id_barang.'">Hapus</a></td>
        </tr>';
    }
    $this->load->view('input_view',$data);
}