pandas.TimestampParametersExampleMethods pandas.Timestamppandas.Timestamp(ts_input=, freq=None, tz=None, unit=None, year=None, month=None, day=None, hour=None, minute=None, second=None, microsecond=None, nanosecond=None, tzinfo=None, *, fold=None)python datetime.datetime 对象的Pandas替换。Timestamp相当于python的Datetime，在大多数情况可以相互转换。Timestamp是用于构成DatetimeIndex以及其他时间序列的数据结构。 Parameters ts_input 要转换成时间戳的值 freq 偏移量 tz 时区 unit 如果ts_input是int或float类型，则表示用于转换的单位。有效值为：D、h、m、s、ms、us、ns year, month, day hour, minute, second, microsecond nanosecond tzinfo fold Exampleimport pandas as pd# Timestamp('2021-01-01 12:00:00')pd.Timestamp('2021-01-01T12')# Timestamp('2017-12-16 03:02:35.500000')pd.Timestamp(1513393355.5, unit='s')# Timestamp('2019-01-01 12:00:00')pd.Timestamp(2019, 1, 1, 12)# Timestamp('2019-01-01 12:00:00')pd.Timestamp(year=2019, month=1, day=1, hour=12) Methodsimport pandas as pdts = pd.Timestamp(year=2019, month=1, day=1, hour=12)# '2019-01-01'ts.strftime("%Y-%m-%d")# Period('2019-01-01', 'D')ts.to_period("D")
