ROR 新手,正在阅读本教程:http : //guides.rubyonrails.org/getting_started.html,在添加评论部分时,我在 app/views/posts/show.html 文件中收到“未定义方法”的错误'body'。这是确切的错误:
undefined method `body' for #<Comment:0x4157430>
Extracted source (around line #37):
34: </div>
35: <div class="field">
36: <%= f.label :body %><br />
37: <%= f.text_area :body %>
38: </div>
39: <div class="actions">
40: <%= f.submit %>
谢谢