golang框架的人才市场需求和薪资水平

package main

import (
    "github.com/gin-gonic/gin"
)

func main() {
    r := gin.Default()

    r.GET("/hello", func(c *gin.Context) {
        c.JSON(200, gin.H{"message": "Hello, World!"})
    })

    r.Run() // 监听在 0.0.0.0:8080
}

// server.go
package main

import (
    "context"
    "fmt"
    "net"
    "log"

    pb "github.com/some-repo/some-protobuf"

    "google.golang.org/grpc"
)

type server struct {}

func (s *server) SayHello(ctx context.Context, req *pb.HelloRequest) (*pb.HelloResponse, error) {
    return &pb.HelloResponse{Message: "Hello, " + req.Name}, nil
}

func main() {
    lis, err := net.Listen("tcp", ":50051")
    if err != nil {
        log.Fatalf("failed to listen: %v", err)
    }

    s := grpc.NewServer()
    pb.RegisterGreeterServer(s, &server{})

    if err := s.Serve(lis); err != nil {
        log.Fatalf("failed to serve: %v", err)
    }
}

// client.go
package main

import (
    "context"
    "fmt"
    "log"

    pb "github.com/some-repo/some-protobuf"
    
    "google.golang.org/grpc"
)

const (
    address = "localhost:50051"
)

func main() {
    // 连接到服务器
    conn, err := grpc.Dial(address, grpc.WithInsecure())
    if err != nil {
        log.Fatalf("did not connect: %v", err)
    }
    defer conn.Close()

    // 创建客户端
    c := pb.NewGreeterClient(conn)

    // 调用 SayHello 方法
    resp, err := c.SayHello(context.Background(), &pb.HelloRequest{Name: "John"})
    if err != nil {
        log.Fatalf("could not greet: %v", err)
    }

    // 打印响应
    fmt.Println(resp.Message)
}