时间转化小程序，可供初学者理解时间作参考。 功能： 1，绝对秒数与常见年月日时分秒格式之间的互相转化。 2，获取当前时间，给出绝对秒数和常见年月日。-Time transformation of small procedures, for beginners to understand the time for reference. Functions: one, the absolute number of seconds and minutes and seconds when