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这已经被问过很多次了,但是在尝试了我能找到的所有解决方案之后,我并没有更接近自己的解决方案。

我有一个部分,_form- 这是相关部分:

<% @tournament.sub_tournaments.each do |sub| %>
  <%= f.fields_for :sub_tournaments, sub, :validate => false do |sub_form| %>
    ...
      <table>
        ...
        <tbody>
        <%= sub_form.fields_for :standings, :validate => false do |standings| %>
          <%= render 'tournaments/form_partials/standing_fields', f: standings, sub: sub %> #here's the problem
        <% end %>  
        </tbody>
      </table>
      ...
  <% end %>
<% end %>

在标记的行中,我试图将两个变量传递给给定的部分 -f: standingssub: sub. 如果我只通过f: standings,页面加载正常,但是当我添加时sub: sub,我收到以下错误:

undefined local variable or method `sub'

这是在部分引用以下标记的行_standing_fields

<tr>
  <td><%= f.hidden_field :_destroy %><%= f.text_field :standing, :class => "standing", readonly: true, :type => "" %></td>
  <% if Game::TEAM_GAMES.include? sub.game.name %> #here's the problem
    <td><%= f.grouped_collection_select(:team_division_id, Team.order(:name).includes(:team_divisions), :team_divisions, :name, :id, :game_name, include_blank: true)%></td>
  <% else %>
    <td><%= f.grouped_collection_select(:player_id, Player.order(:name).includes(:player), :player, :name, :id, :game_name, include_blank: true)%></td>
  <% end %>
  <td><span class="remove">Remove</span></td>
</tr>

我想不出出了什么问题,我已经三重检查了语法、拼写、逗号等,并按照一种解决方案的建议重新启动了我的 redis 服务器和 rails 服务器。

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1 回答 1

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您必须将变量放在 locals 键中:

<%= render 'tournaments/form_partials/standing_fields', locals: {f: standings, sub: sub} %>
于 2013-10-15T12:00:57.890 回答