import logging

 logging.basicConfig(filename='log.log',

                     format='%(asctime)s - %(name)s - %(levelname)s - %(module)s; %(message)s',

                     datefmt='%Y-%m-%d %H:%M:%S %p',

                     level=logging.INFO,)

 '''

 CRITICAL = 50

 FATAL = CRITICAL

 ERROR = 40

 WARNING = 30

 WARN = WARNING

 INFO = 20

 DEBUG = 10

 NOTSET = 0

 '''

 logging.critical('c')

 logging.fatal('f')

 logging.error('e')

 logging.warning('w')

 logging.info('i')

 logging.debug('d')

 logging.log(logging.INFO,'')

 import logging

 # 创建文件

 file_1_1 = logging.FileHandler('l1-1.log','a')

 # 创建格式

 fmt = logging.Formatter(fmt='%(asctime)s - %(name)s -%(levelname)s - %(module)s:%(message)s')

 #文件应用格式

 file_1_1.setFormatter(fmt)

 file_1_2 = logging.FileHandler('l1-2.log','a')

 fmt = logging.Formatter()

 file_1_2.setFormatter(fmt)

 # 定义日志

 #定义阈值

 logger1 = logging.Logger('s1',level=logging.ERROR)

 logger1.addHandler(file_1_1)

 logger1.addHandler(file_1_2)

 #写日志

 logger1.critical('')