func main() { if len(os.Args) < 2 { log.Fatal("Please specify a city name!") } city := os.Args[1] temp, err := weather.Temperature(city) if err != nil { log.Fatalln(err) } fmt.Println(temp) }
func main() { http.HandleFunc("/weather/", func(w http.ResponseWriter, r *http.Request) { city := strings.SplitN(r.URL.Path, "/", 3)[2] temp, err := weather.Temperature(city) if err != nil { http.Error(w, err.Error(), http.StatusInternalServerError) return } w.Header().Set("Content-Type", "application/json; charset=utf-8") data := map[string]interface{}{ "city": city, "temp": temp, } json.NewEncoder(w).Encode(data) }) http.ListenAndServe(":8080", nil) }