http_sample.go

package main

import (
        "fmt"
        "net/http"
)

func DefaultHandler(w http.ResponseWriter, r *http.Request) {
        fmt.Fprintf(w, "Hello, HTTP!!!")
}

func SeeYouHandler(w http.ResponseWriter, r *http.Request) {
        name := r.FormValue("name")
        fmt.Fprintf(w, "See you, %s!!!", name)
}

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