日志模块

import logging

 

logger = logging.getLogger()

# 创建一个handler，用于写入日志文件

fh = logging.FileHandler('test.log',encoding='utf-8') 

 

# 再创建一个handler，用于输出到控制台 

ch = logging.StreamHandler() 

formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')

 

logger.setLevel(logging.DEBUG)

 

fh.setFormatter(formatter) 

ch.setFormatter(formatter) 

logger.addHandler(fh) #logger对象可以添加多个fh和ch对象 

logger.addHandler(ch) 

 

logger.debug('logger debug message') 

logger.info('logger info message') 

logger.warning('logger warning message') 

logger.error('logger error message') 

logger.critical('logger critical message')