DO288-apps/go-hello/app.go
2019-05-23 13:13:16 -04:00

30 lines
722 B
Go

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)
}
}