- python 2 :
try:
my_fun()
except exceptions as e:
print (e)
- python3:
try:
my_fun()
except Exception as e:
print (e)
- 创建日志,在控制台和日志文件中同时输出日志:
def setLogger(log_name):
# 创建一个logger,可以考虑如何将它封装
logger = logging.getLogger('mylogger')
logger.setLevel(logging.DEBUG)
# 创建一个handler,用于写入日志文件
fh = logging.FileHandler(os.path.join(os.getcwd(), str(log_name) + '_log.txt'))
fh.setLevel(logging.DEBUG)
# 再创建一个handler,用于输出到控制台
ch = logging.StreamHandler()
ch.setLevel(logging.DEBUG)
# 定义handler的输出格式
formatter = logging.Formatter('%(asctime)s - %(module)s.%(funcName)s.%(lineno)d - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
ch.setFormatter(formatter)
# 给logger添加handler
logger.addHandler(fh)
logger.addHandler(ch)
return logger
用法:
# 获取日志配置对象
log_name = 'log_name'
logger = setLogger(log_name)
def get_log_1(b ,logger):
res_flag = False
global res
try:
a = 10
res = a/b
res_flag = True
except Exception as e:
# 记录一条错误日志信息,记录抛出的异常
logger.error(e)
# 记录一条结果信息日志
logger.info('res is ' + str(res))
logger.info('res_flag is ' + str(res_flag))
return res, res_flag