python 获取今天凌晨时间戳

import time,datetime


def date2time(t):
    timeArray = time.strptime(t, "%Y-%m-%d %H:%M:%S")
    # 转换成时间戳
    return int(time.mktime(timeArray))

def todaytime():
    return int(time.mktime(datetime.date.today().timetuple()))

t = "2020-03-18 10:31:02"
timeArray = time.strptime(t, "%Y-%m-%d %H:%M:%S")
#转换成时间戳
timestamp = int(time.mktime(timeArray))
print(timestamp)

#获取今天凌晨时间戳
day_time=int(time.mktime(datetime.date.today().timetuple()))
print(day_time)