request once again

app/assets/javascripts/books.js.coffee

@@ -1,3 +1,6 @@
 # Place all the behaviors and hooks related to the matching controller here.
 # All this logic will automatically be available in application.js.
 # You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/
+
+
+

app/assets/javascripts/books.js.coffee~

@@ -0,0 +1,22 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/
+
+function addMemo() {  
+  idNumber++;  
+  //这里我们创建一个label控件  
+  label0 = document.createElement("label");  
+  label0.setAttribute("id","label"+idNumber);  
+  //创建输入框  
+  var textField = document.createElement("input");  
+  textField.setAttribute("type","text");  
+  textField.setAttribute("name","memo");  
+  textField.setAttribute("id","memo"+idNumber);  
+  label0.appendChild(textField);  
+
+  document.getElementById(id).appendChild(label0); 
+  id= "memo"+idNumber;
+}  
+
+
+

app/assets/javascripts/memos.js.coffee

@@ -0,0 +1,3 @@
+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://jashkenas.github.com/coffee-script/

app/assets/stylesheets/memos.css.scss

@@ -0,0 +1,3 @@
+// Place all the styles related to the Memos controller here.
+// They will automatically be included in application.css.
+// You can use Sass (SCSS) here: http://sass-lang.com/

app/controllers/books_controller.rb

@@ -27,12 +27,7 @@ def show
   # GET /books/new.json
   def new
     @book = Book.new
-
-    respond_to do |format|
-      format.html # new.html.erb
-      format.xml { render xml: @book }
-      format.json { render json: @book }
-    end
+    @book.memos.build
   end
 
   # GET /books/1/edit
@@ -43,7 +38,9 @@ def edit
   # POST /books.json
   def create
     @book = Book.new(params[:book])
-
+ params[:memos].each do |memo|
+   @book.memos.build(memo)
+ end
     respond_to do |format|
       if @book.save
         format.html { redirect_to @book, notice: 'Book was successfully created.' }

app/controllers/books_controller.rb~

@@ -0,0 +1,89 @@
+class BooksController < ApplicationController
+  before_filter :find_book, :only => [:show, :destroy, :edit, :update]
+
+  # GET /books
+  # GET /books.json
+  def index
+    @books = Book.all
+
+    respond_to do |format|
+      format.html # index.html.erb
+      format.xml { render xml: @books }
+      format.json { render json: @books }
+    end
+  end
+
+  # GET /books/1
+  # GET /books/1.json
+  def show
+    respond_to do |format|
+      format.html # show.html.erb
+      format.xml { render xml: @book }
+      format.json { render json: @book }
+    end
+  end
+
+  # GET /books/new
+  # GET /books/new.json
+  def new
+    @book = Book.new
+    @book.memos.build
+  end
+
+  # GET /books/1/edit
+  def edit
+  end
+
+  # POST /books
+  # POST /books.json
+  def create
+    @book = Book.new(params[:book])
+ params[:memos].each_value do |memo|
+   @book.memos.build(memo)
+ end
+    respond_to do |format|
+      if @book.save
+        format.html { redirect_to @book, notice: 'Book was successfully created.' }
+        format.xml { render xml: @book, status: :created, location: @book }
+        format.json { render json: @book, status: :created, location: @book }
+      else
+        format.html { render action: "new" }
+        format.xml { render xml: @book.errors, status: :unprocessable_entity }
+        format.json { render json: @book.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PUT /books/1
+  # PUT /books/1.json
+  def update
+    respond_to do |format|
+      if @book.update_attributes(params[:book])
+        format.html { redirect_to @book, notice: 'Book was successfully updated.' }
+        format.xml { head :no_content }
+        format.json { head :no_content }
+      else
+        format.html { render action: "edit" }
+        format.xml { render xml: @book.errors, status: :unprocessable_entity }
+        format.json { render json: @book.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /books/1
+  # DELETE /books/1.json
+  def destroy
+    @book.destroy
+
+    respond_to do |format|
+      format.html { redirect_to books_url }
+      format.xml { head :no_content }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+  def find_book
+    @book = Book.find(params[:id])
+  end
+end

app/controllers/memos_controller.rb

@@ -0,0 +1,83 @@
+class MemosController < ApplicationController
+  # GET /memos
+  # GET /memos.json
+  def index
+    @memos = Memo.all
+
+    respond_to do |format|
+      format.html # index.html.erb
+      format.json { render json: @memos }
+    end
+  end
+
+  # GET /memos/1
+  # GET /memos/1.json
+  def show
+    @memo = Memo.find(params[:id])
+
+    respond_to do |format|
+      format.html # show.html.erb
+      format.json { render json: @memo }
+    end
+  end
+
+  # GET /memos/new
+  # GET /memos/new.json
+  def new
+    @memo = Memo.new
+
+    respond_to do |format|
+      format.html # new.html.erb
+      format.json { render json: @memo }
+    end
+  end
+
+  # GET /memos/1/edit
+  def edit
+    @memo = Memo.find(params[:id])
+  end
+
+  # POST /memos
+  # POST /memos.json
+  def create
+    @memo = Memo.new(params[:memo])
+
+    respond_to do |format|
+      if @memo.save
+        format.html { redirect_to @memo, notice: 'Memo was successfully created.' }
+        format.json { render json: @memo, status: :created, location: @memo }
+      else
+        format.html { render action: "new" }
+        format.json { render json: @memo.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PUT /memos/1
+  # PUT /memos/1.json
+  def update
+    @memo = Memo.find(params[:id])
+
+    respond_to do |format|
+      if @memo.update_attributes(params[:memo])
+        format.html { redirect_to @memo, notice: 'Memo was successfully updated.' }
+        format.json { head :no_content }
+      else
+        format.html { render action: "edit" }
+        format.json { render json: @memo.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /memos/1
+  # DELETE /memos/1.json
+  def destroy
+    @memo = Memo.find(params[:id])
+    @memo.destroy
+
+    respond_to do |format|
+      format.html { redirect_to memos_url }
+      format.json { head :no_content }
+    end
+  end
+end

app/helpers/books_helper.rb

@@ -1,2 +1,3 @@
 module BooksHelper
+
 end

app/helpers/books_helper.rb~

@@ -0,0 +1,9 @@
+module BooksHelper
+	def add_task_link name
+          link_to_function name , nil do |page|
+            page.insert_html :bottom, :memos, :partial => 'memo', :object => Memo.new
+          end
+        end
+
+
+end

app/helpers/memos_helper.rb

@@ -0,0 +1,2 @@
+module MemosHelper
+end

app/models/book.rb

@@ -1,11 +1,18 @@
 # encoding: UTF-8
 class Book < ActiveRecord::Base
-  attr_accessible :memo, :purchased_on, :title
+
+ has_many :memos, :dependent => :destroy
+ accepts_nested_attributes_for :memos
+  attr_accessible  :purchased_on, :title, :memos, :id
   validates :title, :presence => true
 
-  before_create :total_books_count
 
-  def total_books_count
-    self.memo += "【 累計冊数#{Book.count + 1} 】"
+
+  def new_memo_attributes=(memo_attributes)
+     memo_attributes.each do |attributes|
+     memos.build(attributes)
+    end
   end
+
+
 end

app/models/book.rb~

@@ -0,0 +1,18 @@
+# encoding: UTF-8
+class Book < ActiveRecord::Base
+
+ has_many :memos, :dependent => :destroy
+ accepts_nested_attributes_for :memos
+  attr_accessible  :purchased_on, :title, :memos, :id
+  validates :title, :presence => true
+
+
+
+  def new_memo_attributes=(memo_attributes)
+     memo_attributes.each do |attributes|
+     memos.build(attributes)
+    end
+  end
+
+
+end

app/models/memo.rb

@@ -0,0 +1,8 @@
+class Memo < ActiveRecord::Base
+belongs_to :Book, :foreign_key => "book_id"
+  attr_accessible :book_id, :memo
+validates_length_of :memo, :maximum => 100
+
+
+end
+

app/models/memo.rb~

@@ -0,0 +1,12 @@
+class Memo < ActiveRecord::Base
+belongs_to :Book, :foreign_key => "book_id"
+  attr_accessible :book_id, :memo
+validates_length_of :memo, :maximum => 100
+
+  before_create :total_books_count
+
+  def total_books_count
+    self.memo += "【 累計冊数#{Book.count + 1} 】"
+  end
+end
+

app/views/books/_form.html.erb

@@ -11,14 +11,18 @@
     </div>
   <% end %>
 
-  <div class="field">
+  <div class="field" id="title">
     <%= f.label :title %><br />
     <%= f.text_field :title %>
   </div>
-  <div class="field">
-    <%= f.label :memo %><br />
-    <%= f.text_area :memo %>
+  <div id="memos">
+Memo:<br>
+<input name="memos[][memo]" size="30" type="text"/><br>
+<button id="addYunyun" type="button" onClick="yunyun()">Add Memo</button>
+
   </div>
+
+
   <div class="field">
     <%= f.label :purchased_on %><br />
     <%= f.date_select :purchased_on %>
@@ -27,3 +31,10 @@
     <%= f.submit %>
   </div>
 <% end %>
+<script>
+    var yunyun = function(){
+    $('#addYunyun').before('<input name="memos[][memo]" size="30" type="text"/><br>');
+}
+    </script>
+
+

app/views/books/_form.html.erb~

@@ -0,0 +1,40 @@
+<%= form_for(@book) do |f| %>
+  <% if @book.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(@book.errors.count, "error") %> prohibited this book from being saved:</h2>
+
+      <ul>
+      <% @book.errors.full_messages.each do |msg| %>
+        <li><%= msg %></li>
+      <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="field" id="title">
+    <%= f.label :title %><br />
+    <%= f.text_field :title %>
+  </div>
+  <div id="memos">
+Memo:<br>
+<input name="memos[][memo]" size="30" type="text"/><br>
+<button id="addYunyun" type="button" onClick="yunyun()">Add Memo</button>
+
+  </div>
+
+
+  <div class="field">
+    <%= f.label :purchased_on %><br />
+    <%= f.date_select :purchased_on %>
+  </div>
+  <div class="actions">
+    <%= f.submit %>
+  </div>
+<% end %>
+	<script>
+		var yunyun = function(){
+			$('#addYunyun').before('<input name="memos[][memo]" size="30" type="text"/><br>');
+		}
+	</script>
+
+