作业列表降序排序

app/controllers/homework_common_controller.rb

@@ -5,7 +5,7 @@ class HomeworkCommonController < ApplicationController
   before_filter :teacher_of_course, :only => [:new, :create, :edit, :update, :destroy, :start_anonymous_comment, :stop_anonymous_comment, :alert_anonymous_comment]
 
   def index
-    homeworks = @course.homework_commons
+    homeworks = @course.homework_commons.order("created_at desc")
     @is_teacher = User.current.logged? && (User.current.admin? || User.current.allowed_to?(:as_teacher,@course))
     @is_student = User.current.logged? && (User.current.admin? || (User.current.member_of_course?(@course) && !@is_teacher))
     @homeworks = paginateHelper homeworks,20