public function printSetting()
{
if (!empty($this->post_data)) {
$fileMD5 = $this->post_data->fileMD5;
$option = $this->post_data->option;
$option_value = $this->post_data->option_value;
$cart = new MY_Cart();
try {
$res = $cart->changePrintSetting($fileMD5, $option, $option_value);
echo json_encode(array("success" => true, "single" => $res['unitPrice'], "gross" => $res['subtotal']));
} catch (Exception $e) {
$this->echo_msg(false);
echo $e;
}
}
}
