Question

我希望使用link_to_unless_current插入一些链接（就像你一样）。我的显示代码是：

  <div>
   <div><% link_to_unless_current 'Right Eye', {:action => 'graphnew', :params => {:right => true}} %></div>
   <div><% link_to_unless_current 'Left Eye', {:action => 'graphnew', :params => {:left => true}} %></div>
   <div><% link_to_unless_current 'Both Eyes', {:action => 'graphnew'} %></div>
   <div><% link_to_unless_current 'Show Natural History', {:action => 'graphnew', :params => {:nh => true}} %></div>
  </div>

控制器是“PatientsController”，动作是“graphnew”，路线是：

/patients/:id/graphnew {:controller=>"patients", :action=>"graphnew"}

所有渲染都是空白div（<div></div>）。

Answer 1

问题在于<%，它不会在视图中呈现ruby代码。如果我们<%=，您应该看到它们。

  <div>
   <div><%= link_to_unless_current 'Right Eye', {:action => 'graphnew', :params => {:right => true}} %></div>
   <div><%= link_to_unless_current 'Left Eye', {:action => 'graphnew', :params => {:left => true}} %></div>
   <div><%= link_to_unless_current 'Both Eyes', {:action => 'graphnew'} %></div>
   <div><%= link_to_unless_current 'Show Natural History', {:action => 'graphnew', :params => {:nh => true}} %></div>
  </div>

Answer 2

我会在你的路线文件中做出改变......

get '/graphnew', to: 'patients#graphnew'

那么你的道路就是......

<div>
  <div><%= link_to_unless_current 'Right Eye', graphnew_path(right: true) %></div>
  <div><%= link_to_unless_current 'Left Eye', graphnew_path(left: true) %></div>
  <div><%= link_to_unless_current 'Both Eyes', graphnew_path %></div>
  <div><%= link_to_unless_current 'Show Natural History', graphnew_path(nh: true) %></div>
</div>

我认为这会奏效......

Ruby on Rails link_to_unless_current无效

2 个答案: