python - 根据日期获取当天凌晨时间

# codingutf-8
import datetime

def get_day_zero_time(date):
    """根据日期获取当天凌晨时间"""
    if not date:
        return 0
    date_zero = datetime.datetime.now().replace(year=date.year, month=date.month,
                                                 day=date.day, hour=0, minute=0, second=0)
    date_zero_time = int(time.mktime(date_zero.timetuple())) * 1000
    return date_zero_time


# 今天的日期
today_date = datetime.datetime.now().date()
# 今天的零点
today_zero_time = get_day_zero_time(today_date)

print today_zero_time