我知道这个问题已经问了无数次,但我没有找到任何有我的问题的人。
请注意,这是一个单一资源,这一点可能很重要。
models/basic.rb
class Basic < ApplicationRecord
has_many :social_networks
accepts_nested_attributes_for :social_networks, reject_if: :all_blank, allow_destroy: true
mount_uploader :logo, LogoUploader
end
型号/social_network.rb
class SocialNetwork < ApplicationRecord
belongs_to :basic
end
控制器/basic_controller.rb
def show
end
def new
@basic = Basic.new
@basic.social_networks.build
end
def edit
end
private
# Use callbacks to share common setup or constraints between actions.
def set_basic
@basic = Basic.first
end
# Never trust parameters from the scary internet, only allow the white
list through.
def basic_params
params.require(:basic).permit(:base_title, :resume, :logo, social_networks_attributes: [:id, :name, :url])
end
end
视图/基础知识/_form.html.erb
<%= form_with(model: @basic, local: true, url: basics_path) do |f| %>
<div id="social_networks">
<%= f.fields_for :social_networks do |sn| %>
<%= render 'social_networks', f: sn %>
<% end %>
<div class="links">
<%= link_to_add_association 'Ajouter', f, :social_networks %>
</div>
</div>
<%= end %>
_social_network_fields.html.erb
<div class="nested-fields">
<div class="field">
<%= f.label :name %>
<%= f.text_field :name, placeholder: 'Nom' %>
</div>
<div class="field">
<%= f.label :url %>
<%= f.text_field :url, placeholder: 'Lien' %>
</div>
<div class="links">
<%= link_to_remove_association 'Supprimer', f %>
</div>
</div>
如问题标题中所述,我的表单运行良好,并保存了我正确填写的元素。但是,当我想编辑时,我收到一条错误消息,指出它找不到资源的模板(它等待名为 _social_networks.html.erb
的文件(。当我添加它(并让它为空白(时,我得到的表单就像我想创建一些新资源一样。
我做错了什么?
提前谢谢你
你写的
<%= render 'social_networks', f: sn %>
但你的观点是_social_networks_fields.html.erb
你不能_social_networks_fields.html.erb重命名为_social_networks.html.erb吗?
同时更改添加关联链接:
<div class="links">
<%= link_to_add_association 'Ajouter', f, :social_networks, :partial => 'social_networks' %>
</div>
或者只是使用
<%= render 'social_networks_fields', f: sn %>
而且您不需要 social_networks.html.erb