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| package main
|
| import (
| "net/http"
| "flag"
| "fmt"
| )
|
| var lang = flag.String("lang", "en", "run app with language support - default is english")
|
| func main() {
| var port = "8080"
| http.HandleFunc("/", rootHandler)
| fmt.Printf("Starting server on port %v...\n", port)
| http.ListenAndServe(":"+port, nil)
| }
|
| func rootHandler(response http.ResponseWriter, request *http.Request) {
|
| flag.Parse()
|
| switch *lang {
| case "en":
| fmt.Fprintf(response, "Hello %s!. Welcome!\n", request.URL.Path[1:])
| case "es":
| fmt.Fprintf(response, "Hola %s!. Bienvenido!\n", request.URL.Path[1:])
| default:
| fmt.Fprintf(response, "Error! unknown lang option -> %s\n", *lang)
| }
| }
|
|
