1str -> date
import datetime
detester = ‘2017-01-01'
date = datetime.datetime.strptime(detester,’%Y-%m-%d')
2date -> str
import datetime
date = datetime.now()
detester = date.strftime(‘%Y-%m-%d')
--------------------- 本文来自 criller 的CSDN 博客 ,全文地址请点击:https://blog.csdn.net/criller/article/details/73715057?utm_source=copy
PS:若时间格式为前段传回,有可能字符串后面有空格,会报错。可len()查看处理