时间字符串

Thu, 31 Jul 2025 15:44:35 +0800

1. datetime系列
#

一般来说用from datetime import datetime

1. `.fromtimestamp`
#

接收一个浮点ts参数，返回datetime结构体，可接续使用datetime内置方法
经典场景：ts -> 格式化timestr
datetime.fromtimestamp(ts).strftime('%Y-%m-%d-%H:%M:%S')

</>
python


1def ts2timestr(ts:float) -> str:
2 return datetime.fromtimestamp(ts).strftime('%Y-%m-%d-%H:%M:%S')

2. `.strptime`
#

接收1. 格式化timestr, 2. 格式format；返回datetime结构体(接续使用其他内置方法)
经典场景：格式化timestr -> ts
datetime.strptime(timestr, pattern).timestamp()

</>
python


1def timestr2ts(timestr, pattern='%Y-%m-%d %H:%M:%S'):
2 return datetime.strptime(timestr, pattern).timestamp()

3. `.replace`
#

python hint

</>
python


 1(method) def replace(
year: SupportsIndex = ...,
month: SupportsIndex = ...,
day: SupportsIndex = ...,
hour: SupportsIndex = ...,
minute: SupportsIndex = ...,
second: SupportsIndex = ...,
microsecond: SupportsIndex = ...,
tzinfo: _TzInfo | None = ...,
*,
fold: int = ...
12) -> datetime

一般使用关键字参数指定参数传参：
.replace(hour=23, minute=59, second=59, microsecond=0)

字符处理 on nayun blog

时间字符串

1. datetime系列 #

1. .fromtimestamp #

2. .strptime #

3. .replace #

1. datetime系列
#

1. `.fromtimestamp`
#

2. `.strptime`
#

3. `.replace`
#