若删除追加的附件，则“追加附件”字样及“追加时间”也应删除

app/views/attachments/destroy.js.erb

@@ -1,8 +1,7 @@
 <% if @is_destroy%>
     $("#attachment_<%= @attachment.id%>").remove();
-    if(document.getElementById("uploadReviseBox")) {
+    if(document.getElementById("revise_attachment_div_<%= @attachment.id%>")) {
-        $("#uploadReviseBox").removeClass('disable_link');
+        $("#revise_attachment_div_<%= @attachment.id%>").remove();
-        $("#choose_revise_attach").attr("onclick","_file.click();");
     }
 <%else%>
     var attachment_html_obj = $('#attachments_<%= j params[:attachment_id] %>');

app/views/student_work/_revise_attachment.html.erb

@@ -4,7 +4,7 @@
         <div class="resubAtt mb15">
           <span class="resubTitle">追加修订附件</span>
         </div>
-        <div class="mb10">
+        <div class="mb10" id="revise_attachment_div_<%=revise_attachment.id %>">
           <span class="tit_fb"> 追加附件：</span>
           <%= render :partial => 'work_attachments_status', :locals => {:attachments => work.attachments.where("attachtype = 7"), :status => 2} %>
           <span class="tit_fb">追加时间：</span><%=format_time revise_attachment.created_on.to_s %>&nbsp;&nbsp;(<%=revise_attachment_status @homework,revise_attachment %>)
@@ -15,7 +15,7 @@
           <span class="resubTitle">追加修订附件</span>
         </div>
         <% if revise_attachment %>
-            <div class="mb10">
+            <div class="mb10" id="revise_attachment_div_<%=revise_attachment.id %>">
               <span class="tit_fb"> 追加附件：</span>
               <%= render :partial => 'work_attachments_status', :locals => {:attachments => work.attachments.where("attachtype = 7"), :status => 1} %>
               <span class="tit_fb">追加时间：</span><%=format_time revise_attachment.created_on.to_s %>