public function index(){
        $str = '';
        $str .= "<div style='width:200px;'>";
        $str .= '<span>34435345</span>';
        $str .= \DNS1D::getBarcodeHTML("4445645656", "I25+");
        $str .= '<span size="1">Parfum Bau Bangke</span>';
        $str .= '</div>';

        echo $str;
}