有人可以给我一个使用mongoid的嵌套形式的工作实例吗?
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
解决方法
您的型号:
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
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。