다양한 분야에서의 Go 언어 적용에 대해 토론

package main

import (
    "net"
    "log"
)

func handler(c net.Conn) {
    defer c.Close()
    // 处理客户端请求
}

func main() {
    listener, err := net.Listen("tcp", ":8080")
    if err != nil {
        log.Fatalf("Failed to listen: %s", err)
    }

    log.Println("Server started")

    for {
        conn, err := listener.Accept()
        if err != nil {
            log.Fatalf("Failed to accept connection: %s", err)
        }

        go handler(conn)
    }
}

package main

import (
    "fmt"
    "time"
)

func worker(id int, jobs <-chan int, results chan<- int) {
    for j := range jobs {
        fmt.Printf("Worker %d started job %d
", id, j)
        time.Sleep(time.Second)
        fmt.Printf("Worker %d finished job %d
", id, j)
        results <- j * 2
    }
}

func main() {
    jobs := make(chan int, 5)
    results := make(chan int, 5)

    for i := 1; i <= 3; i++ {
        go worker(i, jobs, results)
    }

    for j := 1; j <= 5; j++ {
        jobs <- j
    }

    close(jobs)

    for a := 1; a <= 5; a++ {
        <-results
    }
}

package main

import (
    "fmt"
    "net/http"
)

func handler(w http.ResponseWriter, r *http.Request) {
    fmt.Fprintf(w, "Hello, Go Cloud Computing!")
}

func main() {
    http.HandleFunc("/", handler)
    http.ListenAndServe(":8080", nil)
}