'''def build_excel(self):
   workbook = xlwt.Workbook(encoding='ascii')
   # 创建表
   worksheet = workbook.add_sheet('My Worksheet')

   # 往表写内容  行 ，列
   worksheet.write(1, 3, label='Row 0, Column 0 Value')
   workbook.save('Excel_Workbook.xlsx')
   

   csvFile = open("test42.cs v", 'w', newline='')
   try:
      writer = csv.writer(csvFile)
      writer.writerow(('id', '标题', '发布时间','视频时长', '播放次数', '评论数', '喜欢数', '分享数', '上传用户', '下载地址' ))
      for i in range(10):
         writer.writerow((1, 2, 3, 4, 5, 6, 7, 8, 9, 10))
   finally:
      csvFile.close()
return csvFile;