在pandas excel工作表上添加多种样式

  PandasWriter = pandas.ExcelWriter(self.sio, engine='xlsxwriter')
  workbook =  PandasWriter.book
  worksheet = PandasWriter.sheets['Sheet1']

  black_shade = workbook.add_format({'bg_color':'#f6f7f8'})
  bold = workboot.add_format({'bold': True})

  worksheet.set_columns('A:C',None, black_shade)
  worksheet.set_rows(20, None, bold)
  PandasWriter = pandas.ExcelWriter(self.sio, e