使用grpc.Core，在C#中找不到Google命名空间

Question

安装 GRPC.Tools NuGet 包并从 Greeter.proto 构建 Greeter.cs 文件后，我收到很多缺少依赖项的错误

Greeter.cs 文件需要一些 google API，显然这不是由 Grpc.Tools 安装的

我还需要安装什么，我还缺少什么？

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using GreeterService;
using Grpc.Core;

namespace gRPCtest
{
    public class GreeterService : Greeter.GreeterBase
    {
        public override Task<HelloReply> SayHello(HelloRequest request, ServerCallContext context)
        {
            return Task.FromResult(new HelloReply
            {
                Message = "Hello, " + request.Name
            });
        }
    }

    public class Server : Form
    {
        public Server()
        {
            Text = "Server Window";
            Size = new System.Drawing.Size(300, 200);

            const int port = 50051;

            Server server = new Server
            {
                Services = { Greeter.BindService(new GreeterServiceImpl()) },
                Ports = { new ServerPort("localhost", port, ServerCredentials.Insecure) }
            };
            server.Start();

            Console.WriteLine($"Greeter service is listening on port {port}");
            Console.WriteLine("Press any key to stop the server...");
            Console.ReadKey();

            server.ShutdownAsync().Wait();
        }
    }
    public class Client : Form
    {
        public Client()
        {
            Text = "Client Window";
            Size = new System.Drawing.Size(300, 200);

            const string serverAddress = "localhost";
            const int port = 50051;

            Channel channel = new Channel($"{serverAddress}:{port}", ChannelCredentials.Insecure);
            var client = new Greeter.GreeterClient(channel);

            string name = "John";
            var request = new HelloRequest { Name = name };

            var reply = client.SayHello(request);

            Console.WriteLine($"Received: {reply.Message}");

            channel.ShutdownAsync().Wait();

            Console.WriteLine("Press any key to exit...");
            Console.ReadKey();
        }
    }

    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            // Create a new instance of the child window
            Server serverForm = new Server();
            serverForm.Show();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            // Create a new instance of the child window
            Client clientForm = new Client();
            clientForm.Show();
        }
    }
}

Answer 1

您还需要添加 Google.Protobuf NuGet 包 - Protocol Buffers 的 C# 运行时库。