附件的导出

app/controllers/homework_commons_controller.rb

@@ -160,7 +160,7 @@ class HomeworkCommonsController < ApplicationController
 
         # 作品状态 0： 未提交， 1 按时提交， 2 延迟提交
         if params[:work_status].present?
-          work_status = params[:work_status].map{|status| status.to_i}
+          work_status = params[:work_status].split(",").map{|status| status.to_i}
           all_student_works = @student_works.left_joins(:myshixun)
           @student_works = all_student_works.where(work_status: work_status)
 
@@ -170,7 +170,7 @@ class HomeworkCommonsController < ApplicationController
 
         # 分班情况
         unless params[:course_group].blank?
-          group_user_ids = @course.students.where(course_group_id: params[:course_group]).pluck(:user_id)
+          group_user_ids = @course.students.where(course_group_id: params[:course_group].split(",")).pluck(:user_id)
           # 有分组只可能是老师身份查看列表
           @student_works = @student_works.where(user_id: group_user_ids)
         end

app/helpers/export_helper.rb

@@ -452,7 +452,7 @@ module ExportHelper
       end
     end
 
-    out_file_name = "作品附件_#{homework_common&.course&.name}_#{homework_common.name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}.zip"
+    out_file_name = "作品附件_#{homework_common.name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}.zip"
     out_file_name.gsub!(" ", "-")
     out_file_name.gsub!("/", "_")
     out_file = find_or_pack(homework_common, homework_common.user_id, digests.sort){