$response->mes = $mes->get_msg("e003");
}
break;
case 'list':
$res = $bk->display_list();
if ($res) {
$response->res = true;
$response->mes = $res;
} else {
$response->res = false;
$response->mes = $mes->get_msg("e005");
}
break;
case 'delete':
$id = $_POST['id'];
$res = $bk->del_item($id);
if ($res) {
$response->res = true;
$response->mes = $mes->get_msg("e006");
} else {
$response->res = false;
$response->mes = $mes->get_msg("e007");
}
break;
case 'get_bookdata':
$id = $_POST['id'];
$res = $bk->get_item($id);
if ($res) {
$response->res = true;
$response->id_book = $res[0]["tb_id"];
$response->t = $res[0]["tb_title"];
