Golang Read POST Form Values

The example below uses gorilla/mux package

package main

import (
  "fmt"
  "log"
  "net/http"
  "github.com/gorilla/mux"
)

func YourHandler(w http.ResponseWriter, r *http.Request) {
  r.ParseForm()
  log.Println("one=" + r.FormValue("one"))
  log.Println("two=" + r.FormValue("two"))
  fmt.Fprintf(w, "Gorilla!\n")
}

func main() {
  r := mux.NewRouter()
  r.HandleFunc("/", YourHandler).Methods("POST")
  log.Fatal(http.ListenAndServe(":8000", r))
}

With the codes above, try posting a form with curl or postman

curl -X POST --data 'one=1' 'http://localhost:8000/'

Your should see the following in your web server console.

Variable one returns with the value 1 as posted.

Variable two is empty as it is not in the form.

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