基本数据获取: In [38]: import datetime as dt In [39]: on = dt.datetime.now() #获取当前准确时间 In [40]: on Out[40]: datetime.datetime(2018, 9, 17, 15, 5, 7, 30934) In [41]: print(on) 2018-09-17 15:05:07.030934 In [42]: to = dt.datetime.today() #获取今天的时间,today与now功能