展开某个作品详情时收起其他作品

app/views/student_work/_evaluation_title.html.erb

@@ -33,7 +33,7 @@
           <%= render :partial => "evaluation_work", :locals => {:student_work => student_work, :index => i}%>
       <tr>
         <td colspan="12">
-          <div id="about_hwork_<%= student_work.id%>">
+          <div id="about_hwork_<%= student_work.id%>" class="about_hwork">
           </div>
         </td>
       </tr>

app/views/student_work/_evaluation_un_group.html.erb

@@ -3,7 +3,7 @@
       <div class="syllabus_courses_list" id="student_work_<%= student_work.id%>" style="cursor: default;">
         <%= render :partial => 'evaluation_un_group_work', :locals => {:student_work => student_work} %>
       </div>
-      <div id="about_hwork_<%= student_work.id %>"></div>
+      <div id="about_hwork_<%= student_work.id %>" class="about_hwork"></div>
 
       <div id="group_member_work_<%= student_work.id%>">
         <%= render :partial => 'group_member_work', :locals => {:student_work => student_work} %>

app/views/student_work/_evaluation_un_title.html.erb

@@ -78,7 +78,7 @@
       <%= render :partial => "evaluation_un_work", :locals => {:student_work => student_work, :index => i} %>
       <tr>
         <td colspan="12">
-          <div id="about_hwork_<%= student_work.id %>">
+          <div id="about_hwork_<%= student_work.id %>" class="about_hwork">
           </div>
         </td>
       </tr>

app/views/student_work/_group_member_work.html.erb

@@ -6,6 +6,6 @@
       <%= render :partial => 'evaluation_un_group_member_work', :locals => {:st => st, :anon_count => anon_count} %>
     </div>
     <% if j != 0 %>
-        <div id="about_hwork_<%= st.id %>"></div>
+        <div id="about_hwork_<%= st.id %>" class="about_hwork"></div>
     <% end %>
 <% end %>

app/views/student_work/show.js.erb

@@ -2,6 +2,7 @@ if($("#about_hwork_<%= @work.id%>").children().length > 0){
   $("#about_hwork_<%= @work.id%>").html("");
 }
 else{
+  $(".about_hwork").html("");
   <% if @homework.homework_type == 2%>
     $("#about_hwork_<%= @work.id%>").html("<%= escape_javascript(render :partial => 'programing_work_show',:locals => {:work =>@work,:score =>@score,:student_work_scores => @student_work_scores}) %>");