完成项目资源列表中的排序（资源大小，上传时间，下载次数）

app/controllers/admin_controller.rb

@@ -61,8 +61,7 @@ class AdminController < ApplicationController
 
  #管理员界面课程资源列表
   def course_resource_list
-    #sort_init 'created_on','desc'
-    #sort_update %w(filename filesize filetype created_on downloads author course)
+
     if params[:sort] == 'file_size'
       @resource = Attachment.where(:container_type => 'Course').order("filesize desc")
     elsif params[:sort] == 'file_upload'
@@ -73,8 +72,6 @@ class AdminController < ApplicationController
       @resource = Attachment.where(:container_type => 'Course').order("created_on desc")
     end
 
-
-
     @resource = paginateHelper @resource,30
     @page = (params['page'] || 1).to_i - 1
 
@@ -85,7 +82,17 @@ class AdminController < ApplicationController
 
   #管理员界面項目资源列表
   def project_resource_list
-    @pro_resource = Attachment.where(:container_type => 'Project')
+
+    if params[:sort] == 'file_size'
+      @pro_resource = Attachment.where(:container_type => 'Project').order("filesize desc")
+    elsif params[:sort] == 'file_upload'
+      @pro_resource = Attachment.where(:container_type => 'Project').order("created_on desc")
+    elsif params[:sort] == 'file_download_times'
+      @pro_resource = Attachment.where(:container_type => 'Project').order("downloads desc")
+    else
+      @pro_resource = Attachment.where(:container_type => 'Project').order("created_on desc")
+    end
+
     @pro_resource = paginateHelper @pro_resource,30
     @page = (params['page'] || 1).to_i - 1
 

app/views/admin/project_resource_list.html.erb

@@ -10,16 +10,16 @@
         资源名称
       </th>
       <th style="width: 30px;">
-        资源大小
+        <%= link_to "资源大小",admin_project_resource_list_path(:sort => "file_size") %>
       </th>
       <th style="width: 25px;">
         资源类型
       </th>
       <th style="width: 23px;">
-        上传时间
+        <%= link_to "上传时间",admin_project_resource_list_path(:sort => "file_upload") %>
       </th>
       <th style="width: 15px;">
-        下载次数
+        <%= link_to "下载次数",admin_project_resource_list_path(:sort => "file_download_times") %>
       </th>
       <th style="width: 20px;">
         上传者