def new_logger(name='my_access',log_dir=r'D:\log'):
logger = logging.getLogger(name)
logger.propagate = False # 不传播父logger的消息，避免重复打印
logger.handlers.clear() # 每次被调用后，清空已经存在的handler，避免重复打印日志
logger.setLevel(logging.INFO)
logpath=os.path.join(log_dir(),'log','job_access.log')
ch=logging.FileHandler(logpath)
ch.setLevel(logging.INFO)
# 设置日志格式
formatter = logging.Formatter("%(asctime)s %(msecs)03d - %(name)s - %(levelname)s - %(lineno)s %(message)s",
datefmt="%Y-%m-%d %H:%M:%S")
ch.setFormatter(formatter)
# 将相应的handler添加在logger对象中
logger.addHandler(ch)
return logger