嵌套模型,update_attributes不起作用

时间:2012-06-29 10:25:54

标签: ruby-on-rails nested-forms update-attributes

我对我认为的教科书更新示例感到困难。搜索了SO但找不到答案。简而言之,当我单击提交时,配置文件模型中的user_id将被清除,并且不会保存其他数据。我正在使用Rails 3.2.2。

这是我的......

用户模型......

class User < ActiveRecord::Base
  attr_accessible :email, :password, :password_confirmation, :profile_attributes
  has_one :profile
  accepts_nested_attributes_for :profile
end

个人资料模型......

class Profile < ActiveRecord::Base
  validates :first_name, :presence => true
  validates :last_name, :presence => true
  belongs_to :user
  attr_accessible :first_name, :last_name
end 

用户控制器......

class UsersController < ApplicationController

  def new
    @user = User.new
    @user.accounts_users.build()
    @user.build_profile()

    respond_to do |format|
      format.html # new.html.erb
      format.json { render json: @user }
    end
  end

  def edit
    @user = User.find(params[:id])
  end

  def update
    @user = User.find(params[:id])
    respond_to do |format|
      if @user.update_attributes(params[:user])
        format.html { redirect_to @user, notice: 'Profile was successfully updated.' }
        format.json { head :no_content }
      else
        format.html { render action: "edit" }
        format.json { render json: @user.errors, status: :unprocessable_entity }
      end
    end
  end    
end

嵌套表格......

<%= form_for @user, :validate => true do |f| %>
  <%=  f.fields_for :profile do |p| %>
    <fieldset>
      <div class="field">
        <%= p.label :first_name %>
        <%= p.text_field :first_name %>
      </div>
      <div class="field">
        <%= p.label :last_name %>
        <%= p.text_field :last_name %>
      </div>
  <% end %>
      <div class="field">
        <%= f.label :email %>
        <%= f.text_field :email %>
      </div>
      <div class="actions">
        <%= f.submit 'Edit Profile', :class => "btn btn-large btn-success" %>
        <%= cancel %>
      </div>
    </fieldset>
<% end %>

编辑:我编辑了UsersController以包含新操作。为什么新操作会影响编辑/更新操作?

1 个答案:

答案 0 :(得分:0)

之前我遇到过类似的问题。我们能否看到您new行动的代码?你有@user.build_profile@user = User.new下方)吗?或者new行动是否正常?