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[英]How to convert negative datetime.timedelta to positive datetime.timedelta value
[英]how to convert string to datetime.timedelta()?
如何在python中將我的日期字符串轉換為datetime.timedelta()?
我有這個代碼:
import datetime
date_select = '2011-12-1'
delta = datetime.timedelta(days=1)
target_date = date_select + delta
print target_date
提前致謝 ...
您不會將date_select
轉換為timedelta
,而是需要一個datetime
對象,可以將其添加到timedelta
以生成更新的datetime
對象:
from datetime import datetime, timedelta
date_select = datetime.strptime('2011-12-1', '%Y-%m-%d')
delta = timedelta(days=1)
target_date = date_select + delta
print target_date
或者,如果您願意,不需要from ... import ...
導入行:
import datetime # <- LOOK HERE, same as in your example
date_select = datetime.datetime.strptime('2011-12-1', '%Y-%m-%d')
delta = datetime.timedelta(days=1)
target_date = date_select + delta
print target_date
你使用strptime
來做到這一點。
from datetime import datetime
target_date = datetime.strptime(date_select, '%Y-%m-%d')
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