Ruby-on-rails Rails 从控制器渲染部分
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Rails render partial from controller
提问by parov
I'm trying to render different partials into my index view from the controller, depending on the params I receive. I have a simple unless-else condition inside my controller that checks the params
我正在尝试从控制器将不同的部分渲染到我的索引视图中，具体取决于我收到的参数。我的控制器中有一个简单的unless-else条件来检查参数
def index
unless params[:check].nil?
render :partial => /layout/check
else
render :partial => /layout/not_check
end
end
And I have the files _check.html.erb and not_check.html.erb into the folder layout/
我将文件 _check.html.erb 和 not_check.html.erb 放入文件夹 layout/
Now, how can I show that partials inside my index view? At the moment I can just visualize the partial alone as a single view, but not inside the requested view.
现在，如何在索引视图中显示该部分？目前，我只能将部分单独可视化为单个视图，而不是在请求的视图中。
采纳答案by techvineet
The better way would be to call the partials from index.html.erb
更好的方法是从 index.html.erb 调用部分
<% unless params[:check].nil? %>
<%= render :partial => '/layout/check' %>
<% else %>
<%= render :partial => '/layout/not_check' %>
<% end %>
so your def index would look like this
所以你的 def 索引看起来像这样
def index
respond_to do |format|
format.html
end
end
I did not understand what you are trying to do but partial which are related to controller/actions should not be in layout unless they are serving some layout.
我不明白您要做什么，但是与控制器/动作相关的部分不应在布局中，除非它们提供某种布局。
回答by dax
If you're trying to render a layout (and not actual view information) try using render layout
如果您尝试渲染布局（而不是实际视图信息），请尝试使用渲染布局
def index
if params[:check].nil?
render layout: "not_check"
else
render layout: "check"
end
end
