code

import time

#获取10位时间戳
t=time.time()
print(int(t))

#获取13位时间戳
temp=time.time()
timestamp=int(round(temp*1000))
print(timestamp)

#日期转时间戳
dt="2020-12-29 18:13:21"
timearray=time.strptime(dt,"%Y-%m-%d %H:%M:%S")
timestamp=time.mktime(timearray)
tmp_stamp=int(timestamp)
print(tmp_stamp)

 输出

macname@MacdeMacBook-Pro Desktop % python3 xxxxx.py 
1609237378
1609237378025
1609236801
macname@MacdeMacBook-Pro Desktop %