Example on how to get URL parameters

example_parameters.go

package main

import (
	"fmt"
	"net/http"

	"github.com/gorilla/mux"
)

func demo(w http.ResponseWriter, r *http.Request) {
	w.Header().Set("Content-Type", "text/plain")
	key := "demoKey"
	fmt.Fprintf(w, "key: %s -> val: %#v\n", key, r.URL.Query().Get(key))
	key = "demo"
	fmt.Fprintf(w, "key: %s -> val: %#v\n", key, r.URL.Query().Get(key))
}

func main() {
	router := mux.NewRouter()
	router.StrictSlash(false)
	router.HandleFunc("/demo", demo).Methods("GET")

	http.Handle("/", router)
	http.ListenAndServe("127.0.0.1:8088", nil)
}