from datetime import datetime, timedelta
# 生成时间类
dt = datetime(2017,11,19,20,30,0)#2017-11-19 20:30:00
# 将时间转换成时间戳
stamp = dt.timestamp()#timestamp是相对于1970年的秒数
# 将时间戳转换成时间
time = datetime.fromtimestamp(stamp)#2017-11-19 20:30:00
# str转datetime
dt = datetime.strptime('2017-11-19 12:12:12', '%Y-%m-%d %H:%M:%S')#2017-11-19 12:12:12
# datetime 转str
ds = datetime.strftime(dt,'%Y-%m-%d %H:%M:%S')#2017-11-19 12:12:12
# 时间的加减
dt = dt + timedelta(days=1)
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本文标题：datetime
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