tienshunlo

class Answer < ActiveRecord::Base
	belongs_to :question
end

tienshunlo

class Questionnaire < ActiveRecord::Base
  
  has_many :questionnaire_surveys
  has_many :surveys, through: :questionnaire_surveys

  accepts_nested_attributes_for :questionnaire_surveys
end

tienshunlo

1. MODEL
 item has many item_childrens
->  user has one answersheet
 
2. CONTROLLER 
item_controller -> user_controller
multi method   -> useranswer method

3. CONTROLLER 
def useranswer method end

tienshunlo

<div class='content_wrapper option_wrapper'> 
	<ul class = 'option_first_banner clearfix'>
		<li class = 'option_right_banner'>
			<%= form_for @profile, :url => dashboard_user_profiles_path, :method => :POST do |f| %>
				<div class="edit_panel panel panel-default">
					<div class="edit_heading panel-heading">
						<h3 class="panel-title">個人資料</h3>
					</div>
					<div class="panel-body">
						<div class='option_content'>

tienshunlo

<%= form_tag multi_save_item_path do %>
  <% age_list = (18..30).to_a %>
  <ol>
    <li class="template">
    name<input data-name="ic[name][]"> , 
    age<select data-name="ic[age][]"><%= options_for_select(age_list) %></select>
    <span class="add">add</span><span class="del">del</span></li>
    <% @item_childs.each do |old_ic| %>
      <li class="old_record">
        name<%= text_field_tag "ic_old[#{old_ic.id}][name]" , old_ic.name %> , 

tienshunlo

def update
   
    @profile = @user.profile
    
    ids = @profile.profile_option.map{|t| t.option_id}
    
    if ids.length > 0
      ProfileOption.where("profile_id =? AND option_id NOT IN (#{ids.join(',')})", @profile.id).delete_all
    else
      ProfileOption.where("profile_id = ?", @profile.id).delete_all

tienshunlo

class Option < ActiveRecord::Base
    belongs_to :issue
    has_many :respond,  :dependent => :destroy
    has_many :user,     through: :respond
    
    #可以用的
    has_many :profile_option
    has_many :profile,  through: :profile_option
    #可以用的
end