python log使用

import os

import json

import logging.config

import logging

  

  

logging.basicConfig(filename = 'C:\\Users\\user\\Desktop\\log.txt',

                    level = logging.DEBUG, 

                    filemode = 'w', 

                    format = '%(asctime)s - %(levelname)s: %(message)s'

                    )  



logger = logging.getLogger('root')

logger.info('info ***')

logger.error('error ***') 

python log的级别 级别对应的值： CRITICAL 50 ERROR 40 WARNING 30 INFO 20 DEBUG 10 NOTSET 0 低于级别的log将被忽略