39 lines
1.3 KiB
Python
39 lines
1.3 KiB
Python
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from datetime import timedelta, datetime
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if __name__ == '__main__':
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# 使用timedelta表示时间间隔
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a = timedelta(days=2, hours=6)
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b = timedelta(hours=4.5)
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c = a + b
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print(c.days)
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# 这是计算小时的秒数
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print(c.seconds)
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# 这是计算天+小时的秒数
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print(c.total_seconds())
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# 如果要创建特定的日期和时间，可以用datetime来表示
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time1 = datetime(2024, 8, 28)
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birthday = datetime(2001, 4, 29)
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life_time = time1 - birthday
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print(life_time.days)
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now = datetime.now()
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print(now)
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# 值得注意的是，datetime模块可以正确处理闰年的二月并计算出正确的天数，我的评价是我直接不管
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# 对绝大部分的问题，datetime模块已经足够使用，但是如果需要处理复杂时间问题，比如时区、模糊时间范围、计算节日日期等
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# 请他娘的使用dateutil模块
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a = datetime(2012, 9, 23)
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# 很明显，因为timedelta没有month这个key，所以我们不能直接加一个月，它的精度最大只到days
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# 这时候dateutil下的relativedelta就派上用场
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from dateutil.relativedelta import relativedelta
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b = a + relativedelta(years=10, months=2)
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print(b)
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# 包括计算日期差
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d = relativedelta(b, a)
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print(d.years, d.months, d.days)
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