Python同时向控制台和文件输出日志logging_python

python提供了非常方便的日志模块
#-*- coding:utf-8 -*-
import logging
# 配置日志信息
logging.basicConfig(level=logging.DEBUG,
                    format='%(asctime)s %(name)-12s %(levelname)-8s %(message)s',
                    datefmt='%m-%d %H:%M',
                    filename='myapp.log',
                    filemode='w')
# 定义一个Handler打印INFO及以上级别的日志到sys.stderr
console = logging.StreamHandler()
console.setLevel(logging.INFO)
# 设置日志打印格式
formatter = logging.Formatter('%(name)-12s: %(levelname)-8s %(message)s')
console.setFormatter(formatter)
# 将定义好的console日志handler添加到root logger
logging.getLogger('').addHandler(console)
logging.info('Jackdaws love my big sphinx of quartz.')
logger1 = logging.getLogger('myapp.area1')
logger2 = logging.getLogger('myapp.area2')
logger1.debug('Quick zephyrs blow, vexing daft Jim.')
logger1.info('How quickly daft jumping zebras vex.')
logger2.warning('Jail zesty vixen who grabbed pay from quack.')
logger2.error('The five boxing wizards jump quickly.')