时分秒与时间戳相互转化（sys.argv）

import sys
# 把时分秒转化为时间戳
def countDown(time) :
     s = 0
     hour = time.split(':')[0]
     min = time.split(':')[1]
     sec = time.split(':')[2]
     s = int(hour) * 3600 + int(min) * 60 + int(sec)
     return s * 1000

# 时间戳的只转为时分秒
def formatDuring(mss) :
     hours = int((mss % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60))
     minutes = int((mss % (1000 * 60 * 60)) / (1000 * 60))
     seconds = int((mss % (1000 * 60)) / 1000)
     if hours  < 10:
        hours =  '0' + str(hours)
     if minutes  < 10 :
        minutes = '0' + str(minutes)
     if seconds  < 10 :
        seconds = '0' + str(seconds)
     return str(hours) + ':' + str(minutes) + ':' + str(seconds)



mss = sys.argv[1] # cmd下执行 python 文件名.py 参数1 参数2  sys.argv = [文件名.py,参数1,参数2]
if ":" in mss:
     print(countDown(str(mss)))
else:
     print(formatDuring(int(mss)))

*******************************************************