Web routing with httprouter mux

web-routing-httprouter-mux.go

package main

import (
    "fmt"
    "github.com/julienschmidt/httprouter"
    "log"
    "net/http"
)

func HomeHandler(w http.ResponseWriter, r *http.Request, _ httprouter.Params) {
    fmt.Fprint(w, "This is path / handled by httprouter!\n")
}

func NumberHandler(w http.ResponseWriter, r *http.Request, params httprouter.Params) {
    number := params.ByName("number")

    w.Header().Set("Content-Type", "text/html; charset=utf-8")

    fmt.Fprint(w, "This is number <strong>"+number+"</strong>")
}

func main() {
    router := httprouter.New()

    router.GET("/", HomeHandler)
    router.GET("/this/:number", NumberHandler)

    log.Fatal(http.ListenAndServe(":3000", router))
}