Python time模塊時(shí)間獲取和轉(zhuǎn)換

Time模塊介紹

Python的Time庫(kù)可以進(jìn)行時(shí)間相關(guān)的處理，如訪問(wèn)當(dāng)前日期和時(shí)間，輸出不同格式的時(shí)間以及等待指定的時(shí)間等。下面介紹Python time模塊時(shí)間轉(zhuǎn)換。

1. 獲取時(shí)間

1.1. 時(shí)間戳

import time
timestamp = time.time()
# 1682737552.5009851

格林威治時(shí)間(GMT)1970年01月01日00時(shí)00分00秒起至現(xiàn)在的總秒數(shù)

1.2. 結(jié)構(gòu)化時(shí)間

import time
struct_time = time.localtime()
#time.struct_time(tm_year=2023, tm_mon=4, tm_mday=29, tm_hour=11, tm_min=6, tm_sec=43, tm_wday=6, tm_yday=120, tm_isdst=0)

1.3. 格式化時(shí)間

import time
format_time = time.strftime('%Y-%m-%d %H:%M:%S %p')
# 2023-04-29 11:07:30 AM

%Y Year with century as a decimal number.(年)
%m Month as a decimal number [01,12].(月)
%d Day of the month as a decimal number [01,31].(日)
%H Hour (24-hour clock) as a decimal number [00,23].(時(shí)-24時(shí))
%M Minute as a decimal number [00,59].(分)
%S Second as a decimal number [00,61].(秒)
%z Time zone offset from UTC.(國(guó)際標(biāo)準(zhǔn)時(shí)間與本地時(shí)間(東八區(qū)北京時(shí)間)的時(shí)間差)
%a Locale’s abbreviated weekday name.(星期幾-簡(jiǎn)寫(xiě))
%A Locale’s full weekday name.(星期幾-全稱)
%b Locale’s abbreviated month name.(月份名稱-簡(jiǎn)寫(xiě))
%B Locale’s full month name.(月份名稱-全稱)
%c Locale’s appropriate date and time representation.(linux的時(shí)間格式)
%I Hour (12-hour clock) as a decimal number [01,12].(時(shí)-12時(shí))
%p Locale’s equivalent of either AM or PM.(上午 or 下午)
%X 時(shí):分:秒，與%H:%M:%S效果相同
%x 時(shí)/分/秒

2. 時(shí)間轉(zhuǎn)換

2.1. 時(shí)間戳 < > 結(jié)構(gòu)化時(shí)間

import time
timestamp = time.time()
# 1682738174.6577663
# 時(shí)間戳 > 結(jié)構(gòu)化時(shí)間
struct_time = time.localtime(timestamp)  # 默認(rèn)time.time()
# time.struct_time(tm_year=2023, tm_mon=4, tm_mday=29, tm_hour=11, tm_min=16, tm_sec=14, tm_wday=6, tm_yday=120, tm_isdst=0)
# 結(jié)構(gòu)化時(shí)間 > 時(shí)間戳
timestamp = time.mktime(struct_time)
# 1682738174.0

2.2. 結(jié)構(gòu)化時(shí)間 < > 格式化時(shí)間

import time
struct_time = time.localtime()
#time.struct_time(tm_year=2023, tm_mon=4, tm_mday=29, tm_hour=11, tm_min=21, tm_sec=43, tm_wday=6, tm_yday=120, tm_isdst=0)
# 結(jié)構(gòu)化時(shí)間 > 格式化時(shí)間
format_time = time.strftime('%Y-%m-%d %H:%M:%S', struct_time)
#2023-04-29 11:21:43
# 格式化時(shí)間 > 結(jié)構(gòu)化時(shí)間
struct_time = time.strptime(format_time, '%Y-%m-%d %H:%M:%S')
#time.struct_time(tm_year=2023, tm_mon=4, tm_mday=29, tm_hour=11, tm_min=21, tm_sec=43, tm_wday=6, tm_yday=120, tm_isdst=-1)

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