Unix时间戳转换(python)

Unix时间戳转换(python)

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# -*- coding: utf-8 -*-

 

import time

 

def timestamp_datetime(value):

    format = '%Y-%m-%d %H:%M:%S'

    # value为传入的值为时间戳(整形)，如：1332888820

    value = time.localtime(value)

    ## 经过localtime转换后变成

    ## time.struct_time(tm_year=2012, tm_mon=3, tm_mday=28, tm_hour=6, tm_min=53, tm_sec=40, tm_wday=2, tm_yday=88, tm_isdst=0)

    # 最后再经过strftime函数转换为正常日期格式。

    dt = time.strftime(format, value)

    return dt

 

def datetime_timestamp(dt):

     #dt为字符串

     #中间过程，一般都需要将字符串转化为时间数组

     time.strptime(dt, '%Y-%m-%d %H:%M:%S')

     ## time.struct_time(tm_year=2012, tm_mon=3, tm_mday=28, tm_hour=6, tm_min=53, tm_sec=40, tm_wday=2, tm_yday=88, tm_isdst=-1)

     #将"2012-03-28 06:53:40"转化为时间戳

     s = time.mktime(time.strptime(dt, '%Y-%m-%d %H:%M:%S'))

     return int(s)

 

if __name__ == '__main__':

    d = datetime_timestamp('2012-03-28 06:53:40')

    print d

    s = timestamp_datetime(1332888820)

    print s