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@fabioxgn
Created March 29, 2013 14:18
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Simple data validatio in Go When something goes wrong, the errors and the values filled in by the user are returned back to the template.
type Data struct {
Cidade model.Cidade
Erros template.HTML
}
func Handler(w http.ResponseWriter, r *http.Request) {
data := new(Data)
if r.Method == "POST" {
r.ParseForm()
decoder.Decode(&data.Cidade, r.Form)
err := Store.Save(&data.Cidade)
if err != nil {
data.Erros = template.HTML(strings.Replace(err.Error(), "\n", "<br/>", -1))
} else {
http.Redirect(w, r, fmt.Sprintf("/cidade/?Id=", data.Cidade.Id), http.StatusFound)
}
}
err := tmpl.Execute(w, data)
}
//Template
<h1>Cidade</h1>
{{.Erros}}
<form action="" method="POST">
<input type="text" name="Nome" Value="{{.Cidade.Nome}}">
<input type="text" name="UF" Value="{{.Cidade.UF}}">
<input type="Submit">
</form>
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