From 47b735fea1c987c713a8d7252a011bdd5706ba71 Mon Sep 17 00:00:00 2001
From: yumaojun03 <719118794@qq.com>
Date: Sun, 24 Aug 2025 14:14:55 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A1=A5=E5=85=85=20service?=
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Content-Type: text/plain; charset=UTF-8
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---
 skills/rpc/protobuf/README.md         |  1 -
 skills/rpc/protobuf/service_a/main.go | 39 ++++++++++++++++++++++++++-
 skills/rpc/protobuf/service_b/main.go | 27 ++++++++++++++++++-
 3 files changed, 64 insertions(+), 3 deletions(-)

diff --git a/skills/rpc/protobuf/README.md b/skills/rpc/protobuf/README.md
index c0d4cd0..bff814a 100644
--- a/skills/rpc/protobuf/README.md
+++ b/skills/rpc/protobuf/README.md
@@ -105,7 +105,6 @@ service HelloService {
 protoc -I=. --go-grpc_out=. --go-grpc_opt=module="122.51.31.227/go-course/go18" skills/rpc/protobuf/hello_service/interface.proto 
 ```
 
-
 interface_grpc.pb.go
 ```go
 // 服务端接口
diff --git a/skills/rpc/protobuf/service_a/main.go b/skills/rpc/protobuf/service_a/main.go
index 38dd16d..d190c7a 100644
--- a/skills/rpc/protobuf/service_a/main.go
+++ b/skills/rpc/protobuf/service_a/main.go
@@ -1,3 +1,40 @@
 package main
 
-func main() {}
+import (
+	"context"
+	"log"
+	"net"
+
+	"122.51.31.227/go-course/go18/skills/rpc/protobuf/hello_service"
+	"google.golang.org/grpc"
+)
+
+func main() {
+	// 首先是通过grpc.NewServer()构造一个gRPC服务对象
+	grpcServer := grpc.NewServer()
+
+	// SDK 提供 服务实现对象的注册
+	hello_service.RegisterHelloServiceServer(grpcServer, &HelloService{})
+
+	lis, err := net.Listen("tcp", ":1234")
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	// 然后通过grpcServer.Serve(lis)在一个监听端口上提供gRPC服务
+	grpcServer.Serve(lis)
+}
+
+var _ hello_service.HelloServiceServer = (*HelloService)(nil)
+
+// 实现一个GRPC的对象, 并行实现了 HelloServiceServer 接口
+// 该对象就可以注册给GRPC框架
+type HelloService struct {
+	hello_service.UnimplementedHelloServiceServer
+}
+
+func (h *HelloService) Hello(ctx context.Context, req *hello_service.Request) (*hello_service.Response, error) {
+	return &hello_service.Response{
+		Value: "Hello " + req.Value,
+	}, nil
+}
diff --git a/skills/rpc/protobuf/service_b/main.go b/skills/rpc/protobuf/service_b/main.go
index 7905807..93e7e07 100644
--- a/skills/rpc/protobuf/service_b/main.go
+++ b/skills/rpc/protobuf/service_b/main.go
@@ -1,5 +1,30 @@
 package main
 
-func main() {
+import (
+	"context"
+	"fmt"
+	"log"
 
+	"122.51.31.227/go-course/go18/skills/rpc/protobuf/hello_service"
+	"google.golang.org/grpc"
+	"google.golang.org/grpc/credentials/insecure"
+)
+
+func main() {
+	// grpc.Dial负责和gRPC服务建立链接
+	conn, err := grpc.NewClient("localhost:1234", grpc.WithTransportCredentials(insecure.NewCredentials()))
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer conn.Close()
+
+	// 使用SDK调用远程函数
+	helloServiceClient := hello_service.NewHelloServiceClient(conn)
+	resp, err := helloServiceClient.Hello(context.Background(), &hello_service.Request{
+		Value: "bob",
+	})
+	if err != nil {
+		panic(err)
+	}
+	fmt.Println(resp.Value)
 }