#1612 修改下载学生作业为学号_学生姓名_作品名称.rar

app/controllers/zipdown_controller.rb

@@ -44,7 +44,7 @@ class ZipdownController < ApplicationController
       if homework != nil
         unless homework.attachments.empty?
           zipfile = zip_homework_by_user homework
-          send_file zipfile, :filename => homework.name+".zip", :type => detect_content_type(zipfile) if(zipfile)
+          send_file zipfile, :filename =>  homework.user.user_extensions.student_id + "_" + homework.user.lastname + homework.user.firstname + "_" + homework.name+".zip", :type => detect_content_type(zipfile) if(zipfile)
         else
           render file: 'public/no_file_found.html'
         end