import (
    "context"
    "log"
    "net"

    pb "<a style='color:#f60; text-decoration:underline;' href="https://www.php.cn/zt/15841.html" target="_blank">git</a>hub.com/your-org/your-package/protos"
    "google.<a style='color:#f60; text-decoration:underline;' href="https://www.php.cn/zt/16009.html" target="_blank">golang</a>.org/grpc"
)

func main() {
    // 创建 gRPC 服务器
    lis, err := net.Listen("tcp", ":50051")
    if err != nil {
        log.Fatalf("failed to listen: %v", err)
    }
    s := grpc.NewServer()

    // 注册 gRPC 服务
    pb.RegisterGreeterServer(s, &server{})

    // 启动 gRPC 服务器
    err = s.Serve(lis)
    if err != nil {
        log.Fatalf("failed to serve: %v", err)
    }
}

// server 实现了结构体 gRPC 服务接口
type server struct{}

// SayHello 方法处理 SayHello 请求并返回 SayHello 响应
func (s *server) SayHello(ctx context.Context, req *pb.HelloRequest) (*pb.HelloReply, error) {
    return &pb.HelloReply{Message: "Hello "   req.Name}, nil
}

import (
    "context"
    "errors"
    "fmt"
    "log"
    "net/http"

    "github.com/go-kit/kit/endpoint"
    "github.com/go-kit/kit/log/level"
    httptransport "github.com/go-kit/kit/transport/http"
)

func main() {
    // 定义服务端点
    var addEndpoint endpoint.Endpoint
    addEndpoint = MakeAddEndpoint(...)

    // 将中间件添加到端点
    addEndpoint = LoggingMiddleware(level.Info)(addEndpoint)
    addEndpoint = InstrumentingMiddleware()(addEndpoint)

    // 创建 HTTP 处理程序并注册端点
    httpHandler := httptransport.NewServer(
        addEndpoint,
        DecodeAddRequest,
        EncodeAddResponse,
        httptransport.ServerBefore(RequestLoggingMiddleware),
    )
    http.Handle("/add", httpHandler)

    // 启动 HTTP 服务器
    err := http.ListenAndServe(":8080", nil)
    if err != nil {
        log.Fatalf("failed to listen and serve: %v", err)
    }
}

// MakeAddEndpoint 创建一个端点，用于处理加法请求
func MakeAddEndpoint(...) endpoint.Endpoint {
    return func(ctx context.Context, request interface{}) (interface{}, error) {
        r := request.(AddRequest)
        return AddResponse{Sum: r.A   r.B}, nil
    }
}

import (
    "github.com/labstack/echo/v4"
)

func main() {
    e := echo.New()

    // 注册路由
    e.GET("/hello", func(c echo.Context) error {
        return c.String(http.StatusOK, "Hello world!")
    })

    // 启动服务器
    e.Logger.Fatal(e.Start(":8080"))
}