python unix 时间戳

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):

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

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

d = datetime_timestamp('2012-03-28 06:53:40')
print d
s = timestamp_datetime(1332888820)
print s