def get_current_time():

    #将python的datetime转换为unix时间戳

    dtime = datetime.datetime.now()

    un_time = time.mktime(dtime.timetuple())

    #print un_time  #1509636609.0

    #将unix时间戳转换为python  的datetime

    unix_ts = un_time

    times = datetime.datetime.fromtimestamp(unix_ts)

    #print times

    return times  #2017-11-02 23:29:45