导出问卷时，多行主观的答案有html代码

app/controllers/poll_controller.rb

@@ -464,7 +464,7 @@ class PollController < ApplicationController
         sheet1[count_row + 1,0] = l(:label_poll_subtotal)
         sheet1[count_row + 2,0] = l(:label_poll_proportion)
         poll_question.poll_answers.each_with_index do |poll_answer,i|
-          sheet1[count_row, i + 1] = poll_answer.answer_text
+          sheet1[count_row, i + 1] = poll_answer.answer_text.gsub(/<\/?.*?>/,"").gsub(/&nbsp;/," ")
           sheet1[count_row + 1, i + 1] = poll_answer.poll_votes.count
           sheet1[count_row + 2, i + 1] = statistics_result_percentage(poll_answer.poll_votes.count, total_answer(poll_question.id)).to_s + "%"
         end
@@ -477,7 +477,7 @@ class PollController < ApplicationController
         sheet1[count_row,1] = poll_question.question_title
         count_row += 1
         poll_question.poll_votes.each do |poll_vote|
-          sheet1[count_row,0] = poll_vote.vote_text
+          sheet1[count_row,0] = poll_vote.vote_text.gsub(/<\/?.*?>/,"").gsub(/&nbsp;/," ")
           count_row += 1
         end
         count_row += 1