if ($transport['fee'] < $shipFee) {
            $shipFee = $transport['fee'];
            $lastTransport = $transport;
        }
    }
    //运费最优策略,暂时只有EUB
    $bestTransport = getBestTransport($compareTrasprot, $lastTransport);
    $shipFee = $bestTransport['fee'];
    $transportId = $bestTransport['carrierId'];
    $channelId = $bestTransport['channelId'];
    $insertData = array('transportId' => $transportId, 'status' => 1, 'transportTime' => time());
    //启用事物
    WhWaveOrderTransportModel::begin();
    //更新申请记录表
    if (!WhWaveOrderTransportModel::update($insertData, ' shipOrderId = ' . $shipOrderId . ' AND status=0')) {
        $log .= "发货单:{$shipOrderId} 更新运输方式-{$transportId}记录表失败\n";
        WhWaveOrderTransportModel::rollback();
        continue;
    }
    //更新发货单表
    $shipOrderData = array('transportId' => $transportId, 'actualShipping' => $shipFee, 'channelId' => $channelId);
    if (!WhShippingOrderModel::update($shipOrderData, $shipOrderId)) {
        $log .= "发货单:{$shipOrderId} 更新运输方式-{$transportId},运费-{$shipFee}发货单表失败\n";
        WhWaveOrderTransportModel::rollback();
        continue;
    }
    $log .= "发货单:{$shipOrderId} 更新运输方式 - {$transportId},运费 - {$shipFee}记录表成功\n";
    WhWaveOrderTransportModel::commit();
}
//写日志
write_log("transport_assign/" . date('Y-m') . "/" . date('H') . ".txt", $log);