# 1. 构造Timestamp # ts_input参数支持4种格式，datetime-like, str, int, float # 1.1 datetime-like import datetime import pandas as pd time_str = "2020-08-01 10:20:00" time_dt = datetime.datetime.strptime(time_str, "%Y-%m-%d %H:%M:%S") ts1 = pd.Timestamp(time_dt) print(1,ts1) # 1.2 str ts2 = pd.Timestamp(time_str) print(2,ts2) # 1.3 int, 指的是时间戳 timestamp = time_dt.timestamp() print(3,timestamp) print(4,datetime.datetime.fromtimestamp(timestamp)) ts3 = pd.Timestamp(timestamp) print(5,ts3) # 1.4 float, float格式的时间戳 timestamp_f = time_dt.timestamp() ts4 = pd.Timestamp(timestamp_f) print(6,ts4) av=ts1.date() avv=ts1.time()