我很难为模型构造嵌套属性 要求.

数据以正确的方式通过我的后行动传递。

白名单这些参数我缺少什么？

感谢任何帮助。

控制台输出

Started POST "/requests" for 127.0.0.1 at 2017-06-08 10:57:15 -0400Processing by RequestsController#create as HTML  Parameters: {"utf8"=>"✓", "authenticity_token"=>"fmvhoPxVpcHoqOd32mO/HJMrfaPUd+KbNqDJiSRs78U44Y0uL3prpTfU6wmw7PAwv0b+mRHXOGMLvD9bsZpxnw==", "request"=>{"concierge_name"=>"Alex", "concierge_number"=>"954-123-4567", "concierge_email"=>"[email protected]", "client_name"=>"Adam", "client_number"=>"954-765-4321", "client_email"=>"[email protected]", "hotel_employee"=>"0", "concierge_service"=>"0", "vip_promoter"=>"0", "arriving_with_client"=>"1", "client_alone"=>"0", "males"=>"", "females"=>"1", "table_minimum"=>"1000", "arrival_time(1i)"=>"2017", "arrival_time(2i)"=>"6", "arrival_time(3i)"=>"8", "arrival_time(4i)"=>"14", "arrival_time(5i)"=>"56", "table_location_ids"=>["1"], "drink_attributes"=>[{"id"=>"1", "quantity"=>"1"}, {"id"=>"2", "quantity"=>""}, {"id"=>"3", "quantity"=>""}, {"id"=>"4", "quantity"=>""}], "chaser_ids"=>["1"], "comments"=>""}, "commit"=>"Submit"}Completed 500 Internal Server Error in 8ms (ActiveRecord: 0.0ms)ActiveModel::UnknownAttributeError (unknown attribute 'drink_attributes' for Request.):

app/models/request.rb

class Request < ApplicationRecord    has_many :request_drinks    has_many :drinks, through: :request_drinks    accepts_nested_attributes_for :drinksend

应用程序/型号/饮料

class Drink < ApplicationRecord    has_many :request_drinks    has_many :requests, through: :request_drinksend

app/model/request_drink.rb

class RequestDrink < ApplicationRecord    belongs_to :request    belongs_to :drinkend

app/controllers/request_controller.rb

class RequestsController < ApplicationController  before_action :set_request, only: [:show,                                     :edit,                                     :update,                                     :destroy]  def index    @requests = Request.search(params[:term], params[:filter], params[:page])  end  def show  end  def new    @request = Request.new    @drinks = Drink.active  end  def edit  end  def create    @request = Request.new(request_params)    respond_to do |format|      if @request.save        format.html { redirect_to thanks_path, notice: 'Request was successfully created.' }        format.json { render :show, status: :created, location: @request }      else        format.html { render :new }        format.json { render json: @request.errors, status: :unprocessable_entity }      end    end  end  def update    respond_to do |format|      if @request.update(request_params)        format.html { redirect_to @request, notice: 'Request was successfully updated.' }        format.json { render :show, status: :ok, location: @request }      else        format.html { render :edit }        format.json { render json: @request.errors, status: :unprocessable_entity }      end    end  end  def destroy    @request.destroy    respond_to do |format|      format.html { redirect_to requests_url, notice: 'Request was successfully destroyed.' }      format.json { head :no_content }    end  end  private    def set_request      @request = Request.find(params[:id])    end    def request_params      params.require(:request).permit(:concierge_name,                                      :concierge_number,                                      :concierge_email,                                      :client_name,                                      :client_number,                                      :client_email,                                      :hotel_employee,                                      :concierge_service,                                      :vip_promoter,                                      :arriving_with_client,                                      :client_alone,                                      :people,                                      :males,                                      :females,                                      :table_minimum,                                      :arrival_time,                                      :comments,                                      :drink_attributes => [:id, :quantity]      )    endend

app/views/requests/_form.html.erb

...    <div class="field-3">      <h4>Drinks</h4>      <% @drinks.all.each do |d| %>        <%= hidden_field_tag "request[drink_attributes][][id]", d.id %>        <%= number_field_tag "request[drink_attributes][][quantity]" %>        <%= d.name %>        <br />      <% end %>    </div>...

看答案

:drink_attributes => [:id, :quantity]

:drinks_attributes => [:id, :quantity]

...  <%= hidden_field_tag "request[drinks_attributes][][id]", d.id %>  <%= number_field_tag "request[drinks_attributes][][quantity]" %>...