from_for.html.erb

<%= form_for(@product) do |f| %>
  <% if @product.errors.any? %>
    <div id="error_explanation">
      <h2><%= pluralize(@product.errors.count, "error") %> prohibited this product from being saved:</h2>

      <ul>
      <% @product.errors.full_messages.each do |message| %>
        <li><%= message %></li>
      <% end %>
      </ul>
    </div>
  <% end %>

  <div class="field">
    <%= f.label :name %><br>
    <%= f.text_field :name %>
  </div>
  <div class="field">
    <%= f.label :test %><br>
    <%= f.text_field :test %>
  </div>
  cach 1 xet theo radio
  <div>
    <td class="center">
      <% [*1..1].each do | i| %>
        <% [*1..4].each do |j| %>
          <%= f.radio_button "fix_#{i}".to_sym, j %> 特集 <%= j %>
        <% end %>
      <% end %>
    </td>
  </div>
  cach 2 xet theo check bok
  <div>
    <td class="center">
      <% [*1..1].each do | i| %>
        <% [*1..4].each do |j| %>
          <%= f.check_box "fix_#{i}".to_sym, j %> 特集 <%= j %>
        <% end %>
      <% end %>
    </td>
  </div>
  <div class="actions">
    <%= f.submit %>
  </div>
<% end %>