Question

点击＆＃34;添加项目＆＃34;，添加两个＆＃39; fields_for：item＆＃39;嵌套表格（字段）

需要帮助:)））

Assosiation：

菜单（has_many：items），项目（belongs_to：菜单）

<%= nested_form_for(@menu) do |f| %>
  <div class="form-group">
    <%= f.label :title %><br>
    <%= f.text_field :title, :class=>"form-control", :placeholder => "Title" %>
  </div>

  <div class="form-group">
    <%= f.label :description %><br>
    <%= f.text_area :description, :class=>"form-control", :placeholder => "Description" %>
  </div>

  <h3>Items</h3>
   <%= f.fields_for :items do |i| %>

    <div class="form-group">
     <%= i.label :name %><br>     
     <%= i.text_field :name, :class=>"form-control", :placeholder => "Name" %>
    </div>

    <div class="form-group">
     <%= i.label :price %><br>
     <%= i.text_field :price, :class=>"form-control", :placeholder => "Price" %>
    </div>

    <div class="form-group">
     <%= i.label :description %><br>
     <%= i.text_area :description, :class=>"form-control", :placeholder => "Description" %>
    </div>

    <%= i.link_to_remove "Remove this item", :class=>"btn btn-default" %>
    <% end %>

    <p><%= f.link_to_add "Add an Item", :items, :class=>"btn btn-default" %></p>

  <%= f.hidden_field :restaurant_id, :value => params[:restauranti_id]`enter code here`

  <div class="actions">
    <%= f.submit 'Create Menu', :class=>"btn btn-default" %>
  </div>
<% end %>

添加两次：

<%= f.fields_for :items do |i| %>

    <div class="form-group">
     <%= i.label :name %><br>     
     <%= i.text_field :name, :class=>"form-control", :placeholder => "Name" %>
    </div>

    <div class="form-group">
     <%= i.label :price %><br>
     <%= i.text_field :price, :class=>"form-control", :placeholder => "Price" %>
    </div>

    <div class="form-group">
     <%= i.label :description %><br>
     <%= i.text_area :description, :class=>"form-control", :placeholder => "Description" %>
    </div>

    <%= i.link_to_remove "Remove this item", :class=>"btn btn-default" %>
    <% end %>

我目前的版本是＆＃39; rails＆＃39;，＆＃39; 4.1.6＆＃39; ... 帮帮我:)）））

Answer 1

删除＆lt;％= javascript_include_tag：默认值，“nested_form”％＆gt;在你的布局中（：

Answer 2

我遇到了同样的问题。 Mi解决方案是下一个：

在app/views/layouts/application.html.erb文件中，我有下一个代码

<!DOCTYPE html>
<html>
<head>
  <title>RoR 1</title>
  <%= stylesheet_link_tag    'application', media: 'all', 'data-turbolinks-track' => true %>
  <%= javascript_include_tag 'application', 'data-turbolinks-track' => true %>

  <%= stylesheet_link_tag "http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/themes/redmond/jquery-ui.css", "application" %>
  <%= javascript_include_tag "http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js", "http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/jquery-ui.min.js", "application" %>
  <%= csrf_meta_tags %>

</head>
<body>
  <div class="container">
    <%= yield %>
  </div>

</body>
</html>

然后我删除了这段代码

<%= stylesheet_link_tag "http://ajax.googleapis.com/ajax/libs/jqueryui/1.7.2/themes/redmond/jquery-ui.css", "application" %>
<%= javascript_include_tag "http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js", "http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.1/jquery-ui.min.js", "application" %>

我解决了这个问题。

nested_form gem rails 4在click link_to_add上显示两个嵌套的表单（字段）

2 个答案: