Question

我有两个简单的模型：

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var x = $('.search2').val();
return $(this).text() === x;
}).closest("tr");


$(".search").click(function() {
        $('tr').not(tableRow).hide();
});

和

class Address < ApplicationRecord
  belongs_to :community

  geocoded_by :full_address

  validates :address, :city, :province, :country, presence: :true

  validates :postalcode, presence: true, postalcode: true

  after_validation :geocode

  def full_address
    [address, province, postalcode, country].compact.join(', ')
  end
end

我尝试使用seed.rb创建一些存根社区：

class Community < ApplicationRecord
  has_one :address, dependent: :destroy

  accepts_nested_attributes_for :address

  has_many :community_people, dependent: :destroy

  has_many :people, through: :community_people, source: :user

  validates :name, :address, :administrators, presence: true  
  # ...
end

但我总是得到：

def self.create_community(administrators: [], residents: [], address: {})
     Community.create(
        name:  Faker::Name.name,
        administrators: administrators,
        residents: residents,
        address_attributes: address
      )

    @communities += 1
  end

PS：还尝试使用＆＃34; community.create_address＆＃34;和其他东西。我只能这样才能让它发挥作用：

保存社区（没有地址）
保存地址引用community_id。

但我必须破解我的模型并从 community.rb 中的ActiveRecord::RecordInvalid: Validation failed: Address community must exist方法中移除:address。

那么如何才能使 accepts_nested_attributes_for 工作？

Answer 1

我认为您正在使用Rails 5.此问题是由于Rails 5中的功能更改。有关详细信息read this。您应该尝试将optional: true添加到belongs_to关系。像这样。

class Address < ApplicationRecord
    belongs_to :community, optional: true
end

Ruby on Rails - 嵌套属性不起作用

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