2019-03-17 11:00:00格式转化

import datetime
# str转时间格式:
dd = '2019-03-17 11:00:00'
dd = datetime.datetime.strptime(dd, "%Y-%m-%d %H:%M:%S")
print(dd,type(dd))

# 时间格式转str:
dc = dd.strftime("%Y-%m-%d %H:%M:%S")
print(dc,type(dc))

输出:

2019-03-17 11:00:00 <class 'datetime.datetime'>
2019-03-17 11:00:00 <class 'str'>

20190616格式转化

# str转时间格式:
dd = '20190317'
dd = datetime.datetime.strptime(dd, "%Y%m%d")
print(dd,type(dd))

# 时间格式转str:
dc = dd.strftime("%Y%m%d")
print(dc,type(dc))

注:2019-03-17转化成20190317

startDate="2019-06-16"
startDate=startDate.replace("-","")
print(startDate)

https://www.cnblogs.com/xyao1/p/11053279.html