public function getLoaditems(Request $req)
    {
        if ($req->ajax()) {
            $res = [];
            $out = '';
            $items = data_barang::active($req->all())->paginate(5);
            $total = $items->total();
            if ($total > 0) {
                foreach ($items as $item) {
                    $out .= '
						<tr class="barang-' . $item->id_barang . '">
							<td>' . $item->kode . '</td>
							<td>' . $item->nm_barang . ' <small class="pull-right hide item-loading-' . $item->id_barang . '">Memuat...</small></td>
							<td class="text-right"><button class="btn btn-white btn-small btn-item-' . $item->id_barang . '" onclick="add_item(' . $item->id_barang . ');"><i class="fa fa-plus"></i></button></td>
						</tr>
					';
                }
            } else {
                $out = '
					<tr>
						<td colspan="3">Tidak ditemukan</td>
					</tr>
				';
            }
            $res['total'] = $total;
            $res['content'] = $out;
            $res['pagin'] = $items->render();
            return json_encode($res);
        }
    }