code: def QA_util_date_int2str(int_date):
      
      date = str(int_date)
      if len(date) == 8:
          return str(date[0:4] + '-' + date[4:6] + '-' + date[6:8])
      elif len(date) == 10:
          return date
docs: 类型datetime.datatime
      :param date: int 8位整数
      :return: 类型str