gRPC搭建使用方式

gRpc 官网  链接

新建服务端项目

在服务端内先编写一个 .proto 文件

greet.proto

syntax = "proto3";service Greeter {  rpc SayHello (HelloRequest) returns (HelloReply);}message HelloRequest {  string name = 1;}message HelloReply {  string message = 1;}

服务端生成 .proto 代码为 C#   NutGet Install-Package Grpc.Tools

　

找到tools 从里面选择自己电脑的版本

把 protoc.exe 、 grpc_csharp_plugin.exe 复制出来和 .proto 文件放在一起

编写一个 .cmd 文件和 .proto 文件放在一起，插入生成代码的指令。（注意 greet.proto 这是 .proto 文件名）

protoc -I . --csharp_out . --grpc_out . --plugin=protoc-gen-grpc=grpc_csharp_plugin.exe greet.proto　

点击cmd 生成 会获得两个C#文件。

新建类GreeterService

并在使用客户端之前启动（启动服务端之前，要先排除与.Net 无关的.proto文件，不然直接运行会报错的）

public class GreeterService : Greeter.GreeterBase{    private readonly ILogger<GreeterService> _logger;    public GreeterService(ILogger<GreeterService> logger)    {        _logger = logger;    }    public override Task<HelloReply> SayHello(HelloRequest request,        ServerCallContext context)    {        _logger.LogInformation("Saying hello to {Name}", request.Name);        return Task.FromResult(new HelloReply         {            Message = "Hello " + request.Name        });    }　　} class Program {     const int Port = 2020;     static void Main(string[] args)     {         Server server = new Server     　　 {            Services = { Greeter.BindService(new GreeterService()) },            Ports = { new ServerPort("127.0.0.1", 2020, ServerCredentials.Insecure) }         };         server.Start();         Console.WriteLine("127.0.0.1");         Console.WriteLine("GrpcService server listening on port " + Port);         Console.WriteLine("任意键退出...");         Console.ReadKey();     }}

新建控制台客户端项目

客户端调用服务端

namespace gRPCClient{    class Program    {        static void Main(string[] args)        {                  // The port number(5001) must match the port of the gRPC server.            Channel channel = new Channel("127.0.0.1", 2020, ChannelCredentials.Insecure);            var client = new Greeter.GreeterClient(channel).WithHost("127.0.0.1");                        try            {                var reply = client.SayHelloAsync(new HelloRequest { Name = "Zhang San" });                Console.WriteLine("来自" + reply.ResponseAsync.Result);                channel.ShutdownAsync().Wait();                Console.WriteLine("Greeting: " + reply.ResponseAsync.Result);                Console.WriteLine("Press any key to exit...");                Console.ReadKey();            }            catch (Exception ex)            {                throw ex;            }                    }    }}