datetime import datetime # 导入库 datetime.datetime.today() 获取当前时间 datetime.datetime.today() # Out[19]: datetime.datetime(2023, 4, 3, 23, 15, 38, 611194) # type为datetime.datetime 处理为日期数据 datetime.datetime.today().date() # Out[23]: datetime.date(2023, 4, 3) # type为datetime.date str转datetime.datetime day1 = datetime.datetime.today().date() day1.strftime("%Y%m%d") # Out[30]: '20230403' # type为str datetime.datetime转str datetime.datetime.strptime('20200101','%Y%m%d') # Out[34]: datetime.datetime(2020, 1, 1, 0, 0) # type为datetime.datetime pandas.to_datetime str转timestamps.Timestamp pd.to_datetime("20200101") # Out[37]: Timestamp('2020-01-01 00:00:00') # type为pandas._libs.tslibs.timestamps.Timestamp timestamps.Timestamp转str day2 = pd.to_datetime("20200101") day2.strftime('%Y%m%d') # Out[40]: '20200101' # type为str timestamps.Timestamp转datetime.date day2.date() # Out[41]: datetime.date(2020, 1, 1) # type为datetime.date timestamps.Timestamp查看周几 day2.day_name() Out[44]: 'Wednesday'