func FormErrors(ctx *app.Context, frm *form.Form) {
errors := make(map[string]string)
for _, v := range frm.Fields() {
if ferr := v.Err(); ferr != nil {
errors[v.HTMLName] = ferr.Error()
}
}
data := map[string]interface{}{
"errors": errors,
}
ctx.WriteJSON(data)
}