flask中app.logger是标准logging Logger。
实例:
app.logger.info('!!!!!!!!!!!!!!!!!!!!!!!!')
app.logger.debug('@@@@@@@@@@@@@@')
app.logger.warning('############ (%d apples)', 42)
app.logger.error('$$$$$$$$$$')
控制台输出:
[2018-08-06 06:20:23,231] INFO in logging_test: !!!!!!!!!!!!!!!!!!!!!!!!
[2018-08-06 06:20:23,232] DEBUG in logging_test: @@@@@@@@@@@@@@
[2018-08-06 06:20:23,232] WARNING in logging_test: ############ (42 apples)
[2018-08-06 06:20:23,233] ERROR in logging_test: $$$$$$$$$$
一、日志输出级别