# coding:utf8
import datetime
# 字符串转datetime
s = '2018-10-08 23:08:18'
dt = datetime.datetime.strptime(s, '%Y-%m-%d %H:%M:%S')
print dt
# datetime转字符串
s = dt.strftime('%Y%m%d')
print s
import datetime
timeStamp = 1540689500
dateArray = datetime.datetime.fromtimestamp(timeStamp)
otherStyleTime = dateArray.strftime("%Y-%m-%d %H:%M:%S")
print otherStyleTime # 2018-10-28 09:18:20
import time
s = '2018-10-08 23:08:18'
time_stamp = int(time.mktime(time.strptime(s, "%Y-%m-%d %H:%M:%S")))
print time_stamp