python-时间转换

# -*- coding: utf-8 -*-
'''
Created on 2019年8月8日

'''
from datetime import datetime
import datetime
from time import strftime
import time 

def toUnix():
    tm=strftime("%Y-%m-%d %H:%M:%S")
    s = time.mktime(time.strptime(tm,'%Y-%m-%d %H:%M:%S'))
    s=str(s).split(".")[0]+"000"
    return s



def tounix(tm):
    s = time.mktime(time.strptime(tm,'%Y-%m-%d %H:%M:%S'))
    s=str(s).split(".")[0]+"000"
    return s

def add_tm(s):
    u"当前时间+s分钟"
    a= (datetime.datetime.now()+datetime.timedelta(minutes=s)).strftime("%Y-%m-%d %H:%M:%S")
    return a