go-handson/ex5/main.go

package main

import (
	"log"
	"net/http"
	"text/template"
)

type server struct {
	template *template.Template
}

func main() {
	t := template.Must(template.ParseFiles("templates/index.html"))
	s := server{template: t}
	http.HandleFunc("/", s.handleRoot)
	http.Handle("/resources/", http.FileServer(http.Dir(".")))
	log.Println("Listening on http://localhost:8080")
	err := http.ListenAndServe(":8080", nil)
	log.Fatal(err)
}

func (s *server) handleRoot(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "text/html; charset=utf8")

	if r.RequestURI != "/" {
		http.NotFound(w, r)
		return
	}

	err := s.template.Execute(w, "Vrolijk pasen!")
	if err != nil {
		log.Println(err)
	}
}