i. qtgrpcgen.exe 將proto轉(zhuǎn)成Qt 庫(kù) 的 grpc客戶端
ii. qtprotobufgen.exe 將proto轉(zhuǎn)成帶Qt封裝的 的 protobuf接口

syntax = "proto3";
package helloworld;
message HelloRequest {
  string name = 1;
}
message HelloResponse {
  string message = 1;
}
service HelloService {
  rpc SayHello (HelloRequest) returns (HelloResponse) {}
}
option go_package = "proto/helloworld";

#include <QCoreApplication>
#include <QGrpcInsecureChannelCredentials>
#include "helloworld_client.grpc.qpb.h"
#include <QGrpcHttp2Channel>
int main(int argc, char *argv[])
{
    QCoreApplication a(argc, argv);
    helloworld::HelloService::Client client;
    auto channel = std::shared_ptr<QAbstractGrpcChannel>(new QGrpcHttp2Channel(
        QUrl("http://localhost:50051",
             QUrl::StrictMode),
        QGrpcInsecureChannelCredentials()
            | QGrpcInsecureCallCredentials()));
    client.attachChannel(channel);
    helloworld::HelloRequest req;
    helloworld::HelloResponse rep;
    req.setName("gray");
    QGrpcStatus status = client.SayHello(req, &rep);
    qDebug() << "Request Result: " << status.code() << status.message();
    qDebug() << "REP : " << rep.message();
    return a.exec();
}

package proto
import (
	context "context"
	"flag"
	"fmt"
	"log"
	"net"
	grpc "google.golang.org/grpc"
)
var (
	port = flag.Int("port", 50051, "The server port")
)
type Server struct {
	HelloServiceServer
}
// SayHello implements helloworld.GreeterServer
func (s *Server) SayHello(ctx context.Context, in *HelloRequest) (*HelloResponse, error) {
	fmt.Printf("Received: %v\n", in.GetName())
	return &HelloResponse{Message: "Hello " + in.GetName()}, nil
}
func RunServer() error {
	flag.Parse()
	lis, err := net.Listen("tcp", fmt.Sprintf(":%d", *port))
	if err != nil {
		log.Fatalf("failed to listen: %v", err)
	}
	s := grpc.NewServer()
	RegisterHelloServiceServer(s, &Server{})
	log.Printf("server listening at %v", lis.Addr())
	if err := s.Serve(lis); err != nil {
		log.Fatalf("failed to serve: %v", err)
	}
	return err
}