func GetTopos(w http.ResponseWriter, r *http.Request) { var topos []dbconn.Topo var topo dbconn.Topo topos, err := topo.Gets() if err != nil { http.Error(w, err.Error(), 500) return } w.Header().Set("Content-Type", "application/json; charset=UTF-8") w.WriteHeader(http.StatusCreated) if err := json.NewEncoder(w).Encode(topos); err != nil { panic(err) } }