去除隐藏项目课程内的内容， 下载文件名缩略显示鼠标移上去浮动显示所有 完整文件名

app/controllers/stores_controller.rb

@@ -11,11 +11,11 @@ class StoresController < ApplicationController
   def index
   	# @projects_attach = project_classification(0).take(LIMIT)
   	# @courses_attach = project_classification(1).take(LIMIT)
-  	@projects_attach = Attachment.includes(:project).where("projects.project_type=?", 0).
+  	@projects_attach = Attachment.includes(:project).where("projects.project_type=? AND projects.is_public = ?", 0, 1).
   						reorder("#{Attachment.table_name}.downloads DESC").
   						limit(LIMIT)
 
-    @courses_attach = Attachment.includes(:project).where("projects.project_type=?", 1).
+    @courses_attach = Attachment.includes(:project).where("projects.project_type=? AND projects.is_public = ?", 1, 1).
      					reorder("#{Attachment.table_name}.downloads DESC").
      					limit(LIMIT)
     @homeworks_attach = Attachment.where("container_type = 'HomeworkAttach'").

app/views/stores/index.html.erb

@@ -87,7 +87,7 @@
 			<tbody>
 			<% k.each do |c1|%>
 				<tr class="<%= cycle 'odd', 'even' %>">
-					<td class="filename" style="width:62%;"><%= link_to c1.filename, (attachFromUrl c1) %> </td>
+					<td class="filename" style="width:62%;"><%= link_to c1.filename, (attachFromUrl c1), {:title => c1.filename} %> </td>
 					<td style="width:19%;"><%= c1.downloads %> </td>
 					<td class="filename" style="width:19%;"><%= link_to_attachment c1, {:text => "下载"}%></td>
 				</tr>