function get_goodsSn($lable) { $code = substr($lable, 0, 7); $num = intval($code); if (is_numeric($lable) && $num > 1000000) { $id = $num - 1000000; $skuinfo = printLabelModel::getSkuInfoById($id); return $skuinfo['sku']; } else { return str_pad(trim($lable), 3, '0', STR_PAD_LEFT); } }