实现点赞功能

app/controllers/homework_attach_controller.rb

@@ -128,9 +128,6 @@ class HomeworkAttachController < ApplicationController
     pt.praise_tread_object_id = @homework.id
     pt.praise_tread_object_type = "HomeworkAttach"
     pt.praise_or_tread = 1
-    @is_my_homework = params[:is_my_homework]
-    @is_student_batch_homework = params[:is_student_batch_homework]
-    @is_teacher = params[:is_teacher]
     if pt.save
       respond_to do |format|
         format.js

app/views/homework_attach/_homework.html.erb

@@ -59,23 +59,8 @@
         </li>
     <% else %>
         <!-- 学生众评列表，显示为点赞 -->
-        <% if is_praise_homework User.current.id,homework.id  %>
-          <li class="wzan" title="点赞">
-            <%= link_to "",praise_homework_homework_attach_path(homework,:is_my_homework => is_my_homework,
-                                                              :is_student_batch_homework => is_student_batch_homework,
-                                                              :is_teacher => is_teacher),
-                      :class => "wzan_img wzan_visited", :remote => true%>
-            <a>
-              <%= praise_homework_count homework.id  %>
-            </a>
-          </li>
-        <% else %>
-          <li class="wzan" title="您已经赞过该作业">
-            <a href="#" target="_blank" class="wzan_img"></a>
-            <a>
-              <%= praise_homework_count homework.id  %>
-            </a>
-          </li>
-        <% end %>
+        <li class="wzan" id="homeworl_praise_li_<%= homework.id%>">
+          <%= render :partial => "homework_attach/homework_praise", locals: {:homework => homework}  %>
+        </li>
     <% end %>
 <% end %>

app/views/homework_attach/_homework_praise.html.erb

@@ -0,0 +1,9 @@
+<% if is_praise_homework User.current.id,homework.id  %>
+  <%= link_to "",praise_homework_homework_attach_path(homework),
+              :class => "wzan_img", :remote => true, :title => "点赞"%>
+<% else %>
+  <a class="wzan_img wzan_visited"  title="您已经赞过该作业"></a>
+<% end %>
+<a>
+  <%= praise_homework_count homework.id  %>
+</a>

app/views/homework_attach/praise_homework.js.erb

@@ -1,4 +1,3 @@
-$('#homework_li_<%= @homework.id%>').
-        html('<%= escape_javascript(render :partial => 'homework_attach/homework',
-                     :locals => {:homework => @homework,  :is_student_batch_homework => @is_student_batch_homework,
-                                :is_my_homework => @is_my_homework, :is_teacher => @is_teacher})%>');
+$('#homeworl_praise_li_<%= @homework.id%>').
+        html('<%= escape_javascript(render :partial => 'homework_attach/homework_praise',
+                     :locals => {:homework => @homework})%>');

public/stylesheets/css.css

@@ -60,7 +60,7 @@ ul.wlist{ float:right; border-bottom:none; height:30px; margin-top:20px; }
 .dis ul li.wmine{ margin:12px 0 0 10px;}
 .dis ul li.wmine a{ color:#3d7ec2; text-align:center; width:50px; font-weight: bold;}
 .wzan{ margin:15px 0 0 25px; width:32px; height:44px;}
-.wzan a{ display: block;}
+.wzan a{ display: block;text-align: center;}
 a.wzan_img{background:url(images/pic_zan.png) 0 -59px no-repeat; display:block; height:31px; width:30px; color:#fff;}
 a.wzan_visited{background:url(images/pic_zan.png) 0 0 no-repeat;}