January 2018
Intermediate to advanced
856 pages
17h 17m
Chinese
Content preview from Python 技術手冊 第三版
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datetime 模組
|
419
time d.time()
回傳一個原生的時間物件，表示與
d
相同的當日時間（time of day）。
timestamp d.timestamp()
回傳一個
float
代表從 epoch 起算的秒數（僅限 v3）。原生的實體被假設
使用本地時區。
timetz d.timetz()
回傳一個
time
物件表示與
d
相同的當日時間，並帶有相同的
tzinfo
。
timetuple d.timetuple()
回傳一個 timetuple 對應時間點
d
。
toordinal d.toordinal()
為
d
的日期回傳外推公曆序數（proleptic Gregorian ordinal），例如：
datetime(1,1,1).toordinal() == 1
utctimetuple d.utctimetuple()
回傳一個timetuple 對應時間點
d
，如果
d
可察覺時區，就正規化
（normalized）為 UTC。
weekday d.weekday()
回傳
d
的日期的星期為一個整數；
0
代表星期一，到代表星期日的
6
。
類別
datetime
的一個實體
d
也提供方法
dst
、
tzname
與
utcoffset
，它們不
接受引數，並會把工作委派給
d.tzinfo
，如果
d.tzinfo
為
None
，就回傳
None
。
timedelta 類別
timedelta
類別的實體代表時間間隔（time intervals），帶有三個唯讀的整
數屬性：
days
、
seconds
與
microseconds
。
timedelta ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.