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python - datetime日期加减

发布时间 2023-04-09 21:15:12作者: wstong
import datetime
now = datetime.datetime.now()
# now = datetime.datetime(2023,4,9)

now.strftime('%Y-%m-%d %H:%M:%S')
# 2023-04-09 21:00:41

# 加7天
delta7 = datetime.timedelta(days=7)
(now+delta7).strftime('%Y-%m-%d %H:%M:%S')
# 2023-04-16 21:00:41

# 减7天
delta7 = datetime.timedelta(days=7)
(now-delta7).strftime('%Y-%m-%d %H:%M:%S')
# 2023-04-02 21:00:41