// main.go

package main

import (
    "context"
    "fmt"
    "net/http"
    "time"

    "<a style='color:#f60; text-decoration:underline;' href="https://www.php.cn/zt/15841.html" target="_blank">git</a>hub.com/dimfeld/rate"
)

func main() {
    limiter := rate.NewLimiter(rate.Every(5*time.Second), 10)

    http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
        ctx := context.Background()
        if limiter.Allow() {
            w.Write([]byte("Hello, World!"))
        } else {
            w.WriteHeader(http.StatusTooManyRequests)
            w.Write([]byte("Too many requests!"))
        }
    })

    http.ListenAndServe(":8080", nil)
}