# -*- coding: utf-8 -*-import timedef timestamp_datetime(value): format = '%Y-%m-%d %H:%M:%S' # value為傳入的值為時間戳(整形)，如：1332888820 value = time.localtime(value) ## 經過localtime轉換后變成 ## 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) # 最后再經過strftime函數轉換為正常日期格式。 dt = time.strftime(format, value) return dtdef datetime_timestamp(dt):  #dt為字符串  #中間過程，一般都需要將字符串轉化為時間數組  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)  #將"2012-03-28 06:53:40"轉化為時間戳  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