Python Learning (20) Time module method

1. Time Module

  How many seconds have the timestamp gone from the beginning of Unix to now?
Formatted time

1) Get the current timestamp

Import  Time Print (Time.time ()) # gets the current time stamp

2) output after a period of time

Import Timetime.sleep (ten) Print ('haha')  # Print after 10 seconds

3) Get a good time to format

Import timetoday=time.strftime ('%y-%m-%d%h:%m:%s'#  Get a well-formatted time print(today)

4) Default time to get the standard timezone

Import  Time Print (Time.gmtime ())

5) Get the time of the current time zone

Import  Time Print # time to take the current time zone

6) The timestamp is converted to a time tuple, and then the time tuple is converted to a formatted time

Import  Times # Convert a timestamp to a time tuple Print (Time.strftime ('%y-%m-%d%h:%m:%s'# Converts the time tuple to a formatted time

7) Returns the current formatted time by default, and if a timestamp is passed, converts the timestamp to a formatted time and returns

Import  Time

def Timestamp_to_fomat (timestamp=none,format='%y-%m-%d%h:%m:%s'):     if  timestamp:        time_tuple=time.localtime (timestamp)        res=  Time.strftime (format,time_tuple)    Else:        res=time.strftime (format)     return Res Print (Timestamp_to_fomat ()) Print (Timestamp_to_fomat (1514198608))

8) Convert the formatted time to a time tuple, and then convert the time tuple to a timestamp

Import timetp=time.strptime ('2018-4-21','%y-%m-%d') # convert formatted time to time tuple Print # convert a time tuple to a timestamp

9) The function does not pass arguments, returns the timestamp of the current time, and the passed-in parameter returns the timestamp of the parameter

Import TimedefStrtimestamp (str=none,format='%y%m%d%h%m%s'):    ifSTR:TP=time.strptime (Str,format)#Convert to a time tupleRes=time.mktime (TP)#convert to time stamp again    Else: Res=time.time ()#Timestamp of the default fetch current time    returnInt (res)Print(Strtimestamp ())Print(Strtimestamp ('20181229183859'))Print(Strtimestamp ('2018-12-29','%y-%m-%d'))

2. DateTime Module 1) Get the current time

Import datetime Print # Get current Time

2) Get the time of day, accurate to the day

Import datetime Print # accurate to the day

3) Get the time after a few days

Import Datetimeres # get to 5 days in time Print (res)    # can also write minutes,weeks,seconds   time

4) Get to a few days before the time

Import Datetimeres # get to 5 days ago Print (RES)

5) Get a few days before the time (output format customization)

Import Datetimeres # get to 5 days ago Print (Res.strftime ('%y%m%d'))

Python Learning (20) Time module method