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Exemple de code de chaîne d'horodatage en python

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Exemple 1 : python print timestamp

importdatetime
ts = datetime.datetime.now().timestamp()

Exemple 2 : python datetime string

importdatetime

today = datetime.datetime.now()
date_time = today.strftime("%m/%d/%Y, %H:%M:%S")print("date and time:",date_time)

Exemple 3 : python timestamp

from datetime importdatetime

# current date and time
now = datetime.now()

timestamp = datetime.timestamp(now)print("timestamp =", timestamp)

Exemple 4 : format time python

|Directive|Meaning|Example||-----------|------------------------------------------------------------------------------------------||%a         |Abbreviated weekday name.|Sun,Mon,..||%A|Full weekday name.|Sunday,Monday,...||%w         |Weekday as a decimal number.|0,1,...,6||%d         |Day of the month as a zero-padded decimal.|01,02,...,31||%-d        |Day of the month as a decimal number.|1,2,...,30||%b         |Abbreviated month name.|Jan,Feb,...,Dec||%B|Full month name.|January,February,...||%m         |Month as a zero-padded decimal number.|01,02,...,12||%-m        |Month as a decimal number.|1,2,...,12||%y         |Year without century as a zero-padded decimal number.|00,01,...,99||%-y        |Year without century as a decimal number.|0,1,...,99||%Y|Yearwithcentury as a decimal number.|2013,2019 etc.||%H|Hour(24-hour clock) as a zero-padded decimal number.|00,01,...,23||%-H|Hour(24-hour clock) as a decimal number.|0,1,...,23||%I|Hour(12-hour clock) as a zero-padded decimal number.|01,02,...,12||%-I|Hour(12-hour clock) as a decimal number.|1,2,...12||%p         |Locale’s AM or PM.| AM, PM                  ||%M|Minute as a zero-padded decimal number.|00,01,...,59||%-M|Minute as a decimal number.|0,1,...,59||%S|Second as a zero-padded decimal number.|00,01,...,59||%-S|Second as a decimal number.|0,1,...,59||%f         |Microsecond as a decimal number, zero-padded on the left.|000000-999999||%z         | UTC offset in the form +HHMM or -HHMM.|||%Z|Time zone name.|||%j         |Day of the year as a zero-padded decimal number.|001,002,...,366||%-j        |Day of the year as a decimal number.1,2,...,366|||%U|Week number of the year (Sunday as the first day of the week).|00,01,...,53||%W|Week number of the year (Monday as the first day of the week).|00,01,...,53||%c         |Locale’s appropriate date and time representation.|MonSep3007:06:052013||%x         |Locale’s appropriate date representation.|09/30/13||%X|Locale’s appropriate time representation.|07:06:05||%%|A literal '%' character.|%|

Exemple 5 : obtenir un timestamp à partir d'une chaîne de caractères python

importdatetime
date ='18/05/2020 - 18:05:12'

# convert string todatetimeformat
date = datetime.datetime.strptime(date,"%d %m %Y - %H:%M:%S")

# convert datetime totimestamp
date = datetime.datetime.timestamp(date)

Exemple 6 : python de timestamp à string

from datetime importdatetime

timestamp =1545730073
dt_object = datetime.fromtimestamp(timestamp)print("dt_object =", dt_object)print("type(dt_object) =",type(dt_object))

# Output

dt_object ="2018-12-25 09:27:53"type(dt_object)=<class'datetime.datetime'>

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