实训报告导出的文件命名

app/controllers/student_works_controller.rb

@@ -529,7 +529,7 @@ class StudentWorksController < ApplicationController
     @echart_data = student_efficiency(@homework, @work)
     @myself_eff = @echart_data[:efficiency_list].find { |item| item.last == @user.id }
     @myself_consume = @echart_data[:consume_list].find { |item| item.last == @user.id }
-    filename_ = "#{@user&.student_id}_#{@user&.real_name}_#{@shixun&.name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}.pdf"
+    filename_ = "#{@homework.course&.user_group_name(@work.user_id)}_#{@user&.student_id}_#{@user&.real_name}_#{@shixun&.name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}.pdf"
     filename = filename_.strip.tr("+/", "-_")
     stylesheets = %w(shixun_work/shixun_work.css shared/codemirror.css)
     if params[:export].present? && params[:export]