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我的型号:
class employee include Mongoid::Document field :first_name field :last_name embeds_one :address end class Address include Mongoid::Document field :street field :city field :state field :post_code embedded_in :employee,:inverse_of => :address end
class employee include Mongoid::Document field :first_name field :last_name embeds_one :address # validate embedded document with parent document validates_associated :address # allows you to give f.e. employee.new a nested hash with attributes for # the embedded address object # employee.new({ :first_name => "First Name",:address => { :street => "Street" } }) accepts_nested_attributes_for :address end class Address include Mongoid::Document field :street field :city field :state field :post_code embedded_in :employee,:inverse_of => :address end
你的控制器:
class employeesController < ApplicationController def new @employee = employee.new # pre-build address for nested form builder @employee.build_address end def create # this will also build the embedded address object # with the nested address parameters @employee = employee.new params[:employee] if @employee.save # [..] end end end
你的模板:
# new.html.erb <%= form_for @employee do |f| %> <!-- [..] --> <%= f.fields_for :address do |builder| %> <table> <tr> <td><%= builder.label :street %></td> <td><%= builder.text_field :street %></td> </tr> <!-- [..] --> </table> <% end %> <% end %>
这应该适合你!
朱利安
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