update_customer​

  {{#form "update_customer"}}
    {{#if form.posted_successfully}}
      <div>success</div>
    {{/if}}
    {{#if form.errors.messages}}
      <div>{{ form.errors.messages }}</div>
    {{/if}}
    <div>
      <label for="first_name">first_name</label>
      <input id="first_name" type="text" name="customer[first_name]" />
    </div>
    <div>
      <label for="last_name">last_name</label>
      <input id="last_name" type="text" name="customer[last_name]" />
    </div>
    <div>
      <label for="birthday">birthday</label>
      <input id="birthday" type="text" name="customer[birthday]" />
    </div>
    <div>
      <label for="gender">gender</label>
      <div>
        <input type="radio" id="male" name="customer[gender]" value="1" checked>
        <label for="male">male</label>
      </div>
      <div>
        <input type="radio" id="female" name="customer[gender]" value="2">
        <label for="female">female</label>
      </div>
      <div>
        <input type="radio" id="secret" name="customer[gender]" value="3">
        <label for="secret">secret</label>
      </div>
    </div>
    <div class="submit">
      <input class="submit-button" type="submit" value="save">
    </div>
  {{/form}}