has('printStr')) return ['success'=> false , 'message' => '为空']; dd($request['printStr']); $result = app(DeliveryService::class)->getDelivery($request['printStr']); return ['success' => true,'data' => $result]; } public function uploadPrintDataApi(Request $request,PrintService $service) { return $service->processingPrintData($request['printData']); } }