问吧编辑的时候ajax局部刷新

app/controllers/forums_controller.rb

@@ -245,15 +245,14 @@ class ForumsController < ApplicationController
   # PUT /forums/1.json
   def update
     @forum = Forum.find(params[:id])
-
     respond_to do |format|
       if @forum.update_attributes(params[:forum])
-        format.js  {render :text=> true}
+        format.js
         format.html { redirect_to @forum, notice: l(:label_forum_update_succ) }
         format.json { head :no_content }
       else
         flash.now[:error] = "#{l :label_forum_update_fail}: #{@forum.errors.full_messages[0]}"
-        format.js { render :text=> false}
+        format.js
         format.html { render action: "edit" }
         format.json { render json: @forum.errors, status: :unprocessable_entity }
       end

app/views/forums/_edit.html.erb

@@ -5,12 +5,9 @@
     <div class="cl"></div>
   </div>
   <div class="muban_popup_con mt15" >
-    <%= labelled_form_for @forum, :html => {:id => "forum_new"} do |f| %>
+    <%= labelled_form_for @forum, :html => {:id => "forum_new", :remote => true} do |f| %>
         <%= render :partial => "forums/form", :locals => {:f => f} %>
     <% end %>
-    <%#= form_tag({:controller => 'forums', :action => 'create'}, :method => 'post', :id => "forum_new") do  |f| %>
-
-    <%# end %>
   </div>
 </div>
 

app/views/forums/show.html.erb

@@ -22,7 +22,9 @@
 </div>
 
 <div class="fl">
-  <%= render :partial => "memos/my_count_message" %>
+  <div id="my_count_message">
+    <%= render :partial => "memos/my_count_message" %>
+  </div>
 
   <div class="homepageLeft-new" id="forum_right_bar">
     <div class="wenba-rightbar">

app/views/forums/update.js.erb

@@ -0,0 +1 @@
+$("#my_count_message").html('<%= escape_javascript( render :partial => 'memos/my_count_message') %>');