fix bug

app/controllers/homework_commons_controller.rb

@@ -201,13 +201,14 @@ class HomeworkCommonsController < ApplicationController
             tip_exception(403, "无权限操作")
           else
             if @work_excel.present?
+              Rails.logger.info("############_____________@work_excel_________###############{@work_excel.size}")
+              Rails.logger.info("############_____________@homework_________###############{@homework.id}")
               student_work_to_xlsx(@work_excel,@homework)
               exercise_export_name = current_user.real_name + "_" + @course.name + "_" + @homework.name + "_" + Time.now.strftime('%Y%m%d_%H%M%S')
+              Rails.logger.info("############_____________exercise_export_name_________###############{exercise_export_name}")
+
               render xlsx: "#{exercise_export_name.strip.first(30)}",template: "homework_commons/works_list.xlsx.axlsx",locals:
                   {table_columns: @work_head_cells,task_users: @work_cells_column}
-              Rails.logger.info("############_____________@work_head_cells_________###############{@work_head_cells}")
-              Rails.logger.info("############_____________@work_cells_column_________###############{@work_cells_column}")
-
             else
               normal_status(-1,"暂无提交的学生！")
             end

app/helpers/export_helper.rb

@@ -104,6 +104,8 @@ module ExportHelper
         @work_cells_column.push(row_cells_column)
       end
     else   #实训题
+      Rails.logger.info("############_____________homework.homework_type_________###############{homework.homework_type}")
+
       shixun = homework.shixuns.first
       shixun_head_cells = %w(完成情况 通关时间 总耗时 总评测次数 获得经验值 关卡得分)
       eff_boolean = homework.work_efficiency