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 dtdef 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