anchor.diff:                  <% if test != "暂无人发言" and test != "" %>
                     <% if @judge.include? test   %>
                     <% else %>
  -                      <td><B>匿名用户：</B></td>
  +                     	<div class="tip-bubble tip-bubble-left">
  +                      <td><B>匿名用户：</B></td
  +                      
                         <td><%= test%></td>
  -                            <br>
  +                       </div>
  +                            
                         <% @judge+=test %>
                     <% end %>
                 <% end %>
                <% end %>
  +             
       
             </tbody>
               </div>
  
positive.code: <div class="container-fluid">
    <div class="row">
  
      <div class="col-sm-2">
  
negative.code:           <div class="input-group-addon"><span class="glyphicon glyphicon-arrow-right"></span></div>
            <%= f.text_area :tmp, class: 'form-control', placeholder: "输入发言内容" %>
          </div>
  
      <%= f.submit '提交', class: "btn btn-success btn-block" %>
      <%= link_to '取消', courses_path, :class => "btn btn-default btn-block" %>
    </div>
    
  <% end %>
  
            
  