1 from datetime import timedelta, date, datetime
2
3 def get_day_of_day(n=7):
4 return date.today() - timedelta(days=n)
5 #today
6 date=get_day_of_day(0)
7 print date
8
9 #yesterday
10 date=get_day_of_day(1)
11 print date
12
13 #before 7 days
14 date_list=[]
15 for index in range(0, 7):
16 six_date = get_day_of_day(index)
17 str_six_date = datetime.strftime(six_date, '%Y%m%d')
18 date_list.append(str_six_date)
19 print date_list
20
21 #逆序
22 date_list=date_list[::-1]
23 print date_list
24
25 #指定格式时间串
26 date=datetime.now().strftime('%Y%m%d %H:%M:%S')
27 print date
28
29 #before 1 hour 时间戳
30 import time
31 start_time = (datetime.now() - timedelta(hours=1)).strftime("%Y-%m-%d %H:%M:%S")
32 start = int(time.mktime(time.strptime(start_time, '%Y-%m-%d %H:%M:%S')))
33 print start
34
35 #before 5 minutes 时间戳
36 start_time = (datetime.now() - timedelta(minutes=5)).strftime("%Y-%m-%d %H:%M:%S")
