Rails3种子数据嵌套属性

我在这做错了什么？ 表单有效，但在尝试播种数据时，不断获取“street1：Symbol”的“未定义方法`to_i”。

编辑=如果我做一切作为单数地址（has_one而不是has_many）种子工作。

编辑2 =见其他人的答案……

address.rb class Address  true scope :vendor, where("address_type='Vendor'") before_save :update_full_address def update_full_address unless self.street2.blank? street = self.street1 + "
" + self.street2 + "
" else street = self.street1 + "
" end citystatezip = self.city + ", " + self.state + " " + self.zipcode self.full_address = street + citystatezip end end 

vendor.rb

 class Vendor  :addressable accepts_nested_attributes_for :addresses, :allow_destroy => true, :reject_if => proc { |obj| obj.blank? } end 

种子数据

 require 'faker' Vendor.delete_all ["Company A", "Company B", "Company C", "Company D"].each do |c| params = {:vendor => { :name => c, :contact => Faker::Name.name, :phone => Faker::PhoneNumber.phone_number, :addresses_attributes => { :street1 => Faker::Address.street_address, :city => Faker::Address.city, :state => Faker::Address.us_state_abbr, :zipcode => Faker::Address.zip_code, :address_type => "Vendor" } } } Vendor.create!(params[:vendor]) end 

---

在处理has_many时，请注意数组的[]。

 require 'faker' Vendor.delete_all ["Company A", "Company B", "Company C", "Company D"].each do |c| params = {:vendor => { :name => c, :contact => Faker::Name.name, :phone => Faker::PhoneNumber.phone_number, :addresses_attributes => [{ :street1 => Faker::Address.street_address, :city => Faker::Address.city, :state => Faker::Address.us_state_abbr, :zipcode => Faker::Address.zip_code, :address_type => "Vendor" }] } } Vendor.create!(params[:vendor]) end 

Answer 1

accepts_nested_attributes_for :foo是为了创建创建关联记录的表单。 当你在代码中构建东西时，没有必要使用它。 您可以使用关联名称而不是“address_attributes”创建关联记录。 这是一种方法，但Rails确实暴露了一堆做同样事情的方法……

 ["Company A", "Company B", "Company C", "Company D"].each do |c| vendor_address = Address.new :street1 => Faker::Address.street_address, :city => Faker::Address.city, :state => Faker::Address.us_state_abbr, :zipcode => Faker::Address.zip_code, :address_type => "Vendor" Vendor.create! :name => c, :contact => Faker::Name.name, :phone => Faker::PhoneNumber.phone_number, :addresses => [vendor_address] end 

如果您想尝试使用嵌套属性方式，那么您不需要:vendor => {}部分哈希，您可以直接进入参数，并且您需要addresses_attributes作为数组，而不是哈希值。