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  • python: 第三方时间库 arrow

    import arrow
    
    print("-"*25 + "获取当前时间" + "-"*25)
    nowtime = arrow.now()
    print(nowtime)
    print(type(nowtime))
    
    print("-"*25 + "获取当前时间(utc 世界标准时间)" + "-"*25)
    utc_nowtime = arrow.utcnow()
    print(utc_nowtime)
    print(type(utc_nowtime))
    
    print("-"*25 + "获取当前时间一个小时之前的时间" + "-"*25)
    new_nowtime = nowtime.shift(hours=-1)
    print(new_nowtime)
    
    print("-"*25 + "调整时间" + "-"*25)
    new_nowtime = nowtime.shift(days=+1, hours=-1)
    print(new_nowtime)
    
    print("-"*25 + "修改时间" + "-"*25)
    new_nowtime = nowtime.replace(hour=4, minute=40)
    print(new_nowtime)
    
    print("-"*25 + "utc 时间转成当前时区的时间(转换时区)" + "-"*25)
    local = utc_nowtime.to('Asia/Shanghai')
    print(local)
    
    print("-"*25 + "文本转时间对象" + "-"*25)
    print(arrow.get('2020-05-11T21:23:58.970460+07:00'))
    
    print("-"*25 + "当前时间的时间戳" + "-"*25)
    now_timestamp = nowtime.timestamp
    print(now_timestamp)
    
    print("-"*25 + "时间戳转时间" + "-"*25)
    new_nowtime = arrow.get(now_timestamp).to('Asia/Shanghai')
    print(new_nowtime)
    
    print("-"*25 + "当前时间格式化" + "-"*25)
    print(nowtime.format())
    print(nowtime.format("YYYY-MM-DD HH:mm:ss ZZ"))
    print(nowtime.format("YYYY-MM-DD HH:mm:ss"))
    
    print("-"*25 + "从string中解析时间对象" + "-"*25)
    print(arrow.get('2020-06-12 18:52:45', 'YYYY-MM-DD HH:mm:ss'))
    print(arrow.get('June was born in May 1980', 'MMMM YYYY'))
    
    print("-"*25 + "转为标准对象库" + "-"*25)
    print(nowtime.datetime)
    print(nowtime.date())
    print(nowtime.time())
    print("当前年:{}".format(nowtime.year))
    print("当前月:{}".format(nowtime.month))
    print("当前日:{}".format(nowtime.day))
    print("当前时:{}".format(nowtime.hour))
    print("当前分:{}".format(nowtime.minute))
    print("当前秒:{}".format(nowtime.second))
    print("ctime 格式:{}".format(nowtime.ctime()))    # Fri Jun 12 15:49:56 2020
    print("以整数形式返回星期几(0-6):{}".format(nowtime.weekday()))
    print("以整数形式返回一周中的ISO日(1-7): {}".format(nowtime.isoweekday()))
    print("返回3元组(ISO年,ISO周数,ISO工作日): {}".format(nowtime.isocalendar()))
    print("返回日期的格雷戈里序数 : {}".format(nowtime.toordinal()))
    
    print("-"*25 + '获取任意时间单位的时间跨度' + '-'*25)
    print(arrow.now().span('hour'))
    print(arrow.now().span('day'))
    print(arrow.now().span('month'))
    print(arrow.now().span('year'))
    
    print("-"*25 + '得到任意单位时间中的最大值或最小值' + '-'*25)
    print(arrow.now().floor('hour'))
    print(arrow.now().ceil('hour'))
    print(arrow.now().floor('day'))
    print(arrow.now().ceil('day'))
    
    
    print("-"*25 + "人性化时间" + "-"*25)
    print(nowtime.humanize())                 # just now
    print(nowtime.humanize(locale='zh_CN'))   # 刚才
    
    """打印:
    
    -------------------------获取当前时间-------------------------
    2020-06-12T15:58:52.729652+08:00
    <class 'arrow.arrow.Arrow'>
    
    -------------------------获取当前时间(utc 世界标准时间)-------------------------
    2020-06-12T07:58:52.729749+00:00
    <class 'arrow.arrow.Arrow'>
    
    -------------------------获取当前时间一个小时之前的时间-------------------------
    2020-06-12T14:58:52.729652+08:00
    
    -------------------------调整时间-------------------------
    2020-06-13T14:58:52.729652+08:00
    
    -------------------------修改时间-------------------------
    2020-06-12T04:40:52.729652+08:00
    
    -------------------------utc 时间转成当前时区的时间(转换时区)-------------------------
    2020-06-12T15:58:52.729749+08:00
    
    -------------------------文本转时间对象-------------------------
    2020-05-11T21:23:58.970460+07:00
    
    -------------------------当前时间的时间戳-------------------------
    1591948732
    
    -------------------------时间戳转时间-------------------------
    2020-06-12T15:58:52+08:00
    
    -------------------------当前时间格式化-------------------------
    2020-06-12 15:58:52+08:00
    2020-06-12 15:58:52 +08:00
    2020-06-12 15:58:52
    
    -------------------------从string中解析时间对象-------------------------
    2020-06-12T18:52:45+00:00
    1980-05-01T00:00:00+00:00
    
    -------------------------转为标准对象库-------------------------
    2020-06-12 15:58:52.729652+08:00
    2020-06-12
    15:58:52.729652
    当前年:2020
    当前月:6
    当前日:12
    当前时:15
    当前分:58
    当前秒:52
    ctime 格式:Fri Jun 12 15:58:52 2020
    以整数形式返回星期几(0-6):4
    以整数形式返回一周中的ISO日(1-7): 5
    返回3元组(ISO年,ISO周数,ISO工作日): (2020, 24, 5)
    返回日期的格雷戈里序数 : 737588
    
    -------------------------获取任意时间单位的时间跨度-------------------------
    (<Arrow [2020-06-12T15:00:00+08:00]>, <Arrow [2020-06-12T15:59:59.999999+08:00]>)
    (<Arrow [2020-06-12T00:00:00+08:00]>, <Arrow [2020-06-12T23:59:59.999999+08:00]>)
    (<Arrow [2020-06-01T00:00:00+08:00]>, <Arrow [2020-06-30T23:59:59.999999+08:00]>)
    (<Arrow [2020-01-01T00:00:00+08:00]>, <Arrow [2020-12-31T23:59:59.999999+08:00]>)
    
    -------------------------得到任意单位时间中的最大值或最小值-------------------------
    2020-06-12T15:00:00+08:00
    2020-06-12T15:59:59.999999+08:00
    2020-06-12T00:00:00+08:00
    2020-06-12T23:59:59.999999+08:00
    
    -------------------------人性化时间-------------------------
    just now
    刚才
    
    """
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  • 原文地址:https://www.cnblogs.com/KeenLeung/p/13099995.html
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