ruby-on-rails – 接受带有表单的多个模型

发布时间：2020-12-17 03:18:40 所属栏目：百科来源：网络整理

导读：我有一个供应商名称和电子邮件的基本表单设置.我想将我的地址属性嵌套到这个表单中,但我一直得到以下错误 Unpermitted parameter: address class Supplier ActiveRecord::Base has_many :addresses,dependent: :destroy,as: :addressable accepts_nested_att

我有一个供应商名称和电子邮件的基本表单设置.我想将我的地址属性嵌套到这个表单中,但我一直得到以下错误

Unpermitted parameter: address

class Supplier < ActiveRecord::Base
  has_many :addresses,dependent: :destroy,as: :addressable    
  accepts_nested_attributes_for :addresses
end

class Address < ActiveRecord::Base
  belongs_to :addressable,polymorphic: true
  belongs_to  :supplier
end

class SuppliersController < ApplicationController

  def allowed_params
    params.require(:supplier).permit(:name,:email,{:address_attributes => [:first_name,:last_name,:address1,:address2,:city,:zip_code,:country_id]})
  end
end

供应商表格

%fieldset#admin-supplier-names.span-12
  %label Name
  = form.text_field :name
  %label Email
  = form.text_field :email

= form.fields_for :address do |address_fields|
  %li= address_fields.text_field :first_name,placeholder: :first_name.upcase,value: current_user.first_name
  %li= address_fields.text_field :last_name,placeholder: :last_name,value: current_user.last_name
  %li= address_fields.text_field :address1,placeholder: :address_1
  %li= address_fields.text_field :address2,placeholder: :address_2
  %li= address_fields.text_field :city,placeholder: :city
  %li= address_fields.text_field :zip_code,placeholder: :post_code
  %li=address_fields.select   :country_id,select_countries,:include_blank => true

解决方法

供应商和地址以及表单代码之间的关联声明不同步.

如果您的供应商只能有一个地址,请在适用的情况下使用以下内容更新您的代码：

class Supplier < ActiveRecord::Base
  has_one :address,as: :addressable,dependent: :destroy
  accepts_nested_attributes_for :address
end

class Address < ActiveRecord::Base
  belongs_to :addressable,polymorphic: true
end

class SuppliersController < ApplicationController

  def new
    @supplier = Supplier.new
    @supplier.build_address
  end

  def edit
     @supplier = Supplier.find(params[:id])
     @supplier.build_address if @supplier.address.nil?
  end

  def allowed_params
    params.require(:supplier).permit(:name,address_attributes: [:first_name,:country_id])
  end
end

%fieldset#admin-supplier-names.span-12
  %label Name
  = form.text_field :name
  %label Email
  = form.text_field :email

= form.fields_for :address do |address_fields|
  %li= address_fields.text_field :first_name,:include_blank => true

但是,如果您的供应商可以拥有多个地址,请在适用的情况下更新您的代码：

class Supplier < ActiveRecord::Base
  have_many :addresses,dependent: :destroy
  accepts_nested_attributes_for :addresses
end

class Address < ActiveRecord::Base
  belongs_to :addressable,polymorphic: true
end

class SuppliersController < ApplicationController

  def new
    @supplier = Supplier.new
    3.times { @supplier.addresses.build } #setup as many as you want
  end

  def edit
     @supplier = Supplier.find(params[:id])
     addresses_count = (3 - @supplier.addresses.count) 
     addresses_count.times { @supplier.addresses.build }
  end

  def allowed_params
    params.require(:supplier).permit(:name,addresses_attributes: [:first_name,:country_id])
  end
end

%fieldset#admin-supplier-names.span-12
  %label Name
  = form.text_field :name
  %label Email
  = form.text_field :email

= form.fields_for :addresses do |address_fields|
  %li= address_fields.text_field :first_name,:include_blank => true

有关详细信息,请参阅StrongParameters,FormBuilder.

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