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我有一个活动模型和一个场地模型。每个活动有1个场地。但是一个场地可以有多个活动。作为活动创建过程的一部分,我还想捕获有关场地的信息并将其存储。现在我正在为嵌套表单设置而苦苦挣扎。我收到以下错误:

ActiveRecord::UnknownAttributeError in EventsController#new
unknown attribute: event_id

事件模型

class Event < ActiveRecord::Base
attr_accessible :name, :budget, :user_id, :venue_id, :client, :date, :description, 
:attendees, :assets_attributes, :tag_list, :venue_attributes
belongs_to :user

has_many :assets, :dependent => :destroy
has_many :vendors
has_one :venue

accepts_nested_attributes_for :assets, :allow_destroy => true
accepts_nested_attributes_for :vendors, :allow_destroy => true
accepts_nested_attributes_for :venue, :allow_destroy => true
acts_as_taggable
end

场地模型

class Venue < ActiveRecord::Base
attr_accessible :capacity, :city, :contact, :country, :email, :exclusiveVendors,:fee, 
:latitude, :longitude, :name, :state, :street, :tel, :union
belongs_to :event
has_many :vendors
acts_as_gmappable
has_many :events
end

事件控制器

def new
  @event = Event.new
  5.times { @event.assets.build }
  venue = @event.build_venue()
  # respond_to do |format|
  #   format.html # new.html.erb
  #   format.xml  { render :xml => @event }
  # end

end

def create
  @user = current_user
  @event = Event.new(params[:event])
  @event.create_venue()

  5.times { @event.build_assets}
  if @event.save
    redirect_to @event, :notice => "Successfully created event."
  else
    render :action => 'new'
  end
end

表格(摘录)

<%= f.fields_for :venue do |builder| %>

    <%= builder.label :name %><br />
    <%= builder.text_field :name %>

<% end %>
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1 回答 1

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我认为你在这里搞错了关系。Venue 模型应该有 has_many :events 和 Event 模型应该有 belongs_to :venue 和一个名为venue_id 的字段。

并从 Event 模型中删除 has_one :venue 和从 Venue 模型中删除 belongs_to :event 。

于 2012-11-18T04:29:11.540 回答