使用accept_nested_attributes_for從視圖中節省兩個模型無法保存

我有兩種模式。公司和作爲設計用戶的master_user。在公司控制器的創建操作中嘗試創建公司對象時，我收到一個不允許的參數：master_user。使用accept_nested_attributes_for從視圖中節省兩個模型無法保存

模型是

company.rb 

class Company < ActiveRecord::Base 
    has_many :users 
    has_one :master_user 
    accepts_nested_attributes_for :master_user 

end 


master_user.rb 

class MasterUser < ActiveRecord::Base 
    # Include default devise modules. Others available are: 
    # :confirmable, :lockable, :timeoutable and :omniauthable 
    devise :database_authenticatable, :registerable, 
     :recoverable, :rememberable, :trackable, :validatable 

    belongs_to :company 
end

這裏是我公司視

<%= form_for(@company) do |f| %> 
    <% if @company.errors.any? %> 
    <div id="error_explanation"> 
     <h2><%= pluralize(@company.errors.count, "error") %> prohibited this company from being saved:</h2> 

     <ul> 
     <% @company.errors.full_messages.each do |msg| %> 
     <li><%= msg %></li> 
     <% end %> 
     </ul> 
    </div> 
    <% end %> 

    <div class="field"> 
    <%= f.label :name %><br> 
    <%= f.text_field :name %> 
    </div> 




    <%= f.fields_for @company.master_user do |m_user| %> 
    <div class="field"> 
    <%= m_user.label :email %> 
    <%= m_user.text_field :email %> 
    </div> 

    <div class="field"> 
     <%= m_user.label :password %> 
     <%= m_user.password_field :password %> 
    </div> 

    <div class="field"> 
     <%= m_user.label :confirm_password %> 
     <%= m_user.password_field :confirm_password %> 
    </div> 

    <% end %> 
    <div class="actions"> 
    <%= f.submit %> 
    </div> 


<% end %>

和公司控制

# GET /companies/new 
    def new 
    @company = Company.new 
    @company.build_master_user 
    end 


    # POST /companies 
    # POST /companies.json 
    def create 
    puts "a" 
    @company = Company.new(company_params) 
    puts "b" 
    respond_to do |format| 
     if @company.save 
     format.html { redirect_to @company, notice: 'Company was successfully created.' } 
     format.json { render action: 'show', status: :created, location: @company } 
     else 
     puts "c" 
     format.html { render action: 'new' } 
     format.json { render json: @company.errors, status: :unprocessable_entity } 
     end 
    end 
    end 

def company_params 
     params.require(:company).permit(:id, :name, :isTrial, :employMax, master_user_attributes: [:id, :email, :password, :confirm_password, :company_id]) 
end

我允許每個軌道參數4的要求。但由於某種原因，它仍然拒絕我的master_user

來源

2013-10-29 JonF

問題是Devise在Rails 4中使用強參數工作，並不知道這些自動參數。所以只要明確地告訴他，就像這個question一樣。

來源

2013-10-30 07:06:49 Leger

使用accept_nested_attributes_for從視圖中節省兩個模型無法保存

回答

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