我在相册中有照片( PhotosController ),我想在每张照片上添加评论。在照片陈述中,我添加了部分用于渲染注释+表单以添加新注释。
我的问题是,当我发送带有新评论的表单时,我会收到渲染错误:
**NameError (undefined local variable or method `photo' for #<CommentsController:0x00000100ce0ad0>)**:
以下是我的代码:
视图/照片/ index.html.erb
<%= render @photos %>
视图/照片/ _photo.html.erb
<div><%=image_tag photo.photo.url(:thumb)%></div>
<div class="comments_to_photo">
<%= render :partial => 'photos/photo_comments', :locals => { :photo => photo }%>
</div>
照片/ photo_comments
<%photo.comments.each do |cmnt|%>
<div><%=cmnt.comment%></div>
<%end%>
<%=form_tag comment_path, :remote => true do %>
<div><%=text_area_tag 'comment[comment]'%></div>
<%=submit_tag%>
<%end%>
控制器/ CommentsController
def create
@comment = Comment.new(params[:comment])
respond_to do |format|
if @comment.save
format.html { redirect_to @comment, notice: 'Comment was successfully created.' }
format.js {
render :partial => '/photos/photo_comments', :locals => { :photo => photo } do |page|; page << "$(this).html('abcde');" end
}
else
format.html { render action: "new" }
format.js
end
end
end
我想刷新照片中的表单和评论声明,其中添加了评论。请问有人可以帮助我,如何避免上述错误?
提前谢谢
编辑:我通过AJAX添加了刷新评论文件 _photo_comments.js.erb :
$('#photo_comment').html("<%= escape_javascript(render('photos/photo_comments')) %>");
我收到错误
ActionView::Template::Error (stack level too deep):
activesupport (3.2.1) lib/active_support/notifications/instrumenter.rb:23
有几十行:
Rendered photos/_photo_comments.js.erb (562.2ms)
和最后一个
Completed 500 Internal Server Error in 580ms
渲染有什么问题?我无法从部分JS文件渲染部分html文件?
答案 0 :(得分:3)
在您的控制器中,您有:
:locals => { :photo => photo }
但变量photo
不存在。它应该是:
:locals => { :photo => @comment.photo }
答案 1 :(得分:0)
image_tag photo.photo.url(:thumb)
&lt; - 这是您想拥有的photo.photo
吗?