import time
import nnlog
def write_log(content):
    with open('text.log','a+',encoding='utf-8') as fw:
        data = time.strftime('%Y-%m-%d %H:%M:%S')
        s = '%s ,内容 %s'%(data,content)
        print(s)
        fw.write(s)


log =  nnlog.Logger('test.log',level='debug',backCount=3,when='H')
log.debug('调试信息')
log.info('正常的打印信息')
log.warning('警告')
log.error('数据库连接错误！')