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我想顯示在第一次循環的特定圖像時,部分模板被調用,而不是休息:Ruby on Rails的:渲染收藏
view file:
<% @categories.each do |category,i,category_locales| %>
<div class="featured_deals">
<%= render :partial => "medium_deal", :collection => category_locales, :as => :deal_locale %>
</div>
<% end %>
medium_deal文件:
<% deal = deal_locale.deal %>
<%= image_tag 'layout/featured_deal_left_blue.png', :style => 'float: left; padding-top: 11px;' %>
# I only want this image to show for the FIRST element of category_locales, but not the rest.
<div class="featured_deal_wrapper">
Hello
</div>
我試過在第一個視圖文件中傳遞一個計數器,但是直到「每個」再次通過它纔會增加。