这里是我的博客文章形式嵌入式HTML
<%= form_for ([@post, @post.comments.build, :html => {:role => 'form'} ]) do |f| %>
<div class="form-group">
<%= f.label :name, html: => {:class => 'form-control'} %>
<%= f.text_field :name, html: => {:class => 'form-control'} %>
<%= f.label :body, html: => {:class => 'form-control'} %>
<%= f.text_area :body, html: => {:class => 'form-control'} %>
</div>
<%= f.submit class: "btn btn-primary"%>
<%end%>
代码,但我得到这个错误并不能似乎弄明白
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