我应该如何将rails和simple_form用于嵌套资源？

I'm trying to create one resource with another (nested) at the same time. I'm using Rails4 and simple_form 3.0.0rc. Here is my code.
Models:

我正在尝试同时使用另一个（嵌套）创建一个资源。我正在使用Rails4和simple_form 3.0.0rc。这是我的代码。楷模：

class User < ActiveRecord::Base
  has_one :profile
  accepts_nested_attributes_for :profile
end

class Profile < ActiveRecord::Base
  belongs_to :user
end

Controller:

控制器：

class UsersController < ApplicationController
  def new
    @user = User.new
    @user.build_profile
  end

  def create
    user = User.new user_params
    user.save
    redirect_to root_url
#    @par =params
  end

  private
    def user_params
      params.require(:user).permit(:email, profile_attributes: [:name])
    end
end

View (form for new user)

查看（新用户的表单）

<%= simple_form_for @user do |f| %>
  <%= f.input :email %>
  <%= simple_fields_for :profile do |p| %>
    <%= p.input :name %>
  <% end %>
  <%= f.submit %>
<% end %>

When I submit the form, create action recive this params:

当我提交表单时，创建动作重现这个参数：

{"utf8"=>"✓", "authenticity_token"=>"dJAcMcdZnrtTXVIeS2cNBwM+S6dZh7EQEALZx09l8fg=", "user"=>{"email"=>"vasily.sib@gmail.com"}, "profile"=>{"name"=>"Vasily"}, "commit"=>"Create User", "action"=>"create", "controller"=>"users"}

And after calling 'user_params' the only thing that left is

在调用'user_params'后，唯一剩下的就是

{"email"=>"vasily.sib@gmail.com"}

And, as you can see, there is nothing about 'profile', so no profile will be created.
What am I doing wrong?

而且，正如您所看到的，“配置文件”没有任何内容，因此不会创建任何配置文件。我究竟做错了什么？

P.S. sorry for my English.

附：对不起我的英语不好。

2 个解决方案

#1

Use f.simple_fields_for instead of simple_fields_for:

使用f.simple_fields_for而不是simple_fields_for：

<%= f.simple_fields_for :profile do |p| %>
    <%= p.input :name %>
<% end %>

#2

In my case I had the object "book" which belongs to "tour" and "tour" has_many "books".

在我的情况下，我有对象“书”属于“旅游”和“旅游”has_many“书籍”。

In the "BookController" in the method "new" I find the tour and initialize the book object:

在方法“new”的“BookController”中，我找到了tour并初始化了book对象：

@tour = Tour.find(params[:tour_id])

@tour = Tour.find（params [：tour_id]）

@book = Book.new

This is the partial form to create a book: _form.html.erb

这是创建图书的部分形式：_form.html.erb

<%= simple_form_for [@tour, @book] do |f| %>
  <%= f.input :name, label: "Name"%>
  <%= f.input :NoReservations, label: "Number of Reservations" %>
  <%= f.input :email, label: "Email" %>
  <h3>Num of available places</h3>
  <%= f.button :submit %>
<% end %>

#1