go post form

postform.go

package main

import (
	"fmt"
	"net/http"
)

func main() {
	router := http.NewServeMux()

	router.Handle("POST /woo", http.HandlerFunc(woo))

	http.ListenAndServe(":8080", router)
}

func woo(w http.ResponseWriter, r *http.Request) {
	_ = r.ParseForm()

	form := r.PostForm

	fmt.Println(form["b"])

	w.Write([]byte("WOO"))
}