fix bug

app/controllers/polls_controller.rb

@@ -925,7 +925,6 @@ class PollsController < ApplicationController
         @page  = params[:page] || 1
         @limit = params[:limit] || 10
         @poll_export_questions = @poll_questions
-        logger.info("################____________________#{@poll_questions.pluck(:id)}")
 
         @poll_questions = @poll_questions.page(@page).per(@limit)
         if params[:format] == "xlsx"
@@ -939,12 +938,6 @@ class PollsController < ApplicationController
                 polls_export_name = "#{current_user.real_name}_#{@course.name}_#{@poll.polls_name}_#{Time.now.strftime('%Y%m%d_%H%M%S')}"
                 polls_user_commit = poll_commit_result(@poll,@poll_export_questions,@poll_users,@poll_commit_ids)
                 render xlsx: "#{polls_export_name.strip.first(30)}",template: "polls/commit_result.xlsx.axlsx",locals: {polls_user_commit:polls_user_commit}
-
-                # render xlsx: "#{polls_export_name.strip.first(30)}",template: "polls/commit_result.xlsx.axlsx",locals: {
-                #     poll_questions:@poll_export_questions,
-                #     poll:@poll,
-                #     poll_users: @poll_users,
-                #     poll_commit_ids:@poll_commit_ids}
               }
             end
           end

app/views/polls/commit_result.xlsx.axlsx

@@ -7,13 +7,13 @@ wb.styles do |s|
 
   wb.add_worksheet(:name => "统计结果") do |sheet|
     sheet.sheet_view.show_grid_lines = false
-    obj_commit = polls_user_commit[:obj_commit]
-    sub_commit = polls_user_commit[:sub_commit]
-    poll_user_info = polls_user_commit[:poll_users_info]
-    user_commit = polls_user_commit[:user_commit]
+    obj_commit = polls_user_commit[:obj_commit] || []
+    sub_commit = polls_user_commit[:sub_commit] || []
+    poll_user_info = polls_user_commit[:poll_users_info] || []
+    user_commit = polls_user_commit[:user_commit] || []
 
     #客观题的导出
-    if obj_commit.size > 0
+    if obj_commit&.size > 0
       obj_commit.each do |obj|
         sheet.add_row obj[:sheet_row], :height =>15,:style => blue_cell
         sheet.add_row obj[:sheet_answer_row], :height =>15, :style => sz_all
@@ -24,7 +24,7 @@ wb.styles do |s|
     end
 
     #主观题的导出
-    if sub_commit.size > 0
+    if sub_commit&.size > 0
       sub_commit.each do |sub|
         main_sub_title = sub[:sub_tile]
         main_sub_content = sub[:sub_user_votes]
@@ -38,7 +38,7 @@ wb.styles do |s|
 
     sheet.add_row poll_user_info, :height =>15, :style => blue_cell
 
-    if user_commit.size > 0
+    if user_commit&.size > 0
       user_commit.each do |com|
         sheet.add_row com, :height =>15,:style => sz_all
       end