dateutil.parser.parse 将一个日期字符串转换为带时区信息的日期对象
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| from dateutil.parser import parse
date = parse("08.10.2012" + " 00:00:00+0000", dayfirst=True)
>>>date
>>>datetime.datetime(2012, 10, 8, 0, 0, tzinfo=tzutc())
date = parse("08.10.2012" + " 00:00:00+0000", dayfirst=False)
>>>date
>>>datetime.datetime(2012, 8, 10, 0, 0, tzinfo=tzutc())
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如果使用的python版本是2.x, 需要使用的python-dateutil的版本是1.x, python-dateutil 2.x版本需要python3.x支持
datetime.timedelta 在日期对象上添加偏移量
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| from datetime import timedelta
>>>date
>>>datetime.datetime(2012, 8, 10, 0, 0, tzinfo=tzutc())
date = date + timedelta(days=1)
>>>date
>>>datetime.datetime(2012, 8, 11, 0, 0, tzinfo=tzutc())
date = date + timedelta(hours=1)
>>>date
>>>datetime.datetime(2012, 8, 11, 1, 0, tzinfo=tzutc())
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datetime.datetime.strptime 将日期字符串转换为日期对象
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| from datetime import datetime
date = datetime.strptime('2012.08.10', '%Y.%m.%d')
>>>date
>>>datetime.datetime(2012, 8, 10, 0, 0)
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