python logging日志输出个文件中

 # -*- coding:utf-8 -*-
 import logging  # 引入logging模块
 import os.path
 import time
 # 第一步，创建一个logger
 logger = logging.getLogger()
 logger.setLevel(logging.INFO)  # Log等级总开关
 # 第二步，创建一个handler，用于写入日志文件
 rq = time.strftime(u'%Y%m%d%H%M', time.localtime(time.time()))
 log_path = u'C:/Users/feixu_yan/Desktop/Logs'
 log_name = log_path + rq + u'.log'
 logfile = log_name
 fh = logging.FileHandler(logfile, mode=u'w')
 fh.setLevel(logging.DEBUG)  # 输出到file的log等级的开关
 # 第三步，定义handler的输出格式
 formatter = logging.Formatter(u"%(asctime)s - %(filename)s[line:%(lineno)d] - %(levelname)s: %(message)s")
 fh.setFormatter(formatter)
 # 第四步，将logger添加到handler里面
 logger.addHandler(fh)
 # 日志
 logger.debug(u'this is a logger debug message')
 logger.info(u'this is a logger info message')
 logger.warning(u'this is a logger warning message')
 logger.error(u'this is a logger error message')
 logger.critical(u'this is a logger critical message')

具体详见：https://www.cnblogs.com/CJOKER/p/8295272.html