Bancos

    <div class="col-sm-3  form-group">
                            <label for="banco">Banco</label>
                            <div class="gn-field-action">
                                <select id="banco" class="form-control" >
                                    <option value="">Selecione o Banco</option>
                                    <option th:each="banco : ${bancos}" th:value="${banco.codigo}" th:text="${banco.nome}">Itau</option>

                                </select>