router.go

import (
	"./controller"
	"net/http"
)

var routes = map[string]func(http.ResponseWriter, *http.Request){
	"/":                    controller.Index,
	"/acct":                controller.Acct,
	"/acct/auth":           controller.AcctAuth,
	// etc...
}

func ServeHttp(w http.ResponseWriter, r *http.Request) {
	if handler, ok := routes[r.URL.Path]; ok {
		handler(w, r)
	} else {
		http.Error(w, "Not Found : "+r.URL.Path, 404)
		return
	}
}

func main() {
	http.ListenAndServe(":80", http.HandlerFunc(ServeHttp))
}