code: def set_log_stdout():
      
      _formatter = logging.Formatter(
          '%(asctime)s %(levelname)s %(filename)s[ln:%(lineno)d] %(message)s')
  
      logger.setLevel(logging.INFO)
      stdout_handler = logging.StreamHandler(sys.stdout)
      stdout_handler.setFormatter(_formatter)
  
      logger.addHandler(stdout_handler)
docs: 设置输出到标准输出中
  
      :param: 无
      :return: 无
  
      举例如下::
  
          from fishbase.fish_logger import *
  
          set_log_stdout()
  
          logger.info('test fish base log')
          logger.warn('test fish base log')
          logger.error('test fish base log')
  
          print('log ok')