import logging
# 创建一个logger
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
# 创建一个handler,用于写入日志文件
fh = logging.FileHandler('logs/my_log.log')
fh.setLevel(logging.DEBUG)
# 再创建一个handler,用于输出到控制台
ch = logging.StreamHandler()
ch.setLevel(logging.ERROR)
# 定义handler的输出格式
formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
ch.setFormatter(formatter)
# 给logger添加handler
logger.addHandler(fh)
logger.addHandler(ch)