pip install arrow

import arrow

# 獲取當(dāng)前日期時(shí)間
now = arrow.now()
print(f"當(dāng)前日期時(shí)間：{now}")

# 根據(jù)指定日期時(shí)間字符串創(chuàng)建對(duì)象
dt_str = "2023-01-01 12:30:00"
custom_dt = arrow.get(dt_str)
print(f"自定義日期時(shí)間：{custom_dt}")

# 格式化為字符串
formatted_str = now.format("YYYY-MM-DD HH:mm:ss")
print(f"格式化日期時(shí)間：{formatted_str}")

# 獲取日期、時(shí)間部分
date_part = now.date()
time_part = now.time()
print(f"日期部分：{date_part}, 時(shí)間部分：{time_part}")

# 增減天數(shù)
next_week = now.shift(days=7)
print(f"一周后：{next_week}")

# 增減小時(shí)
next_hour = now.shift(hours=1)
print(f"一小時(shí)后：{next_hour}")

# 比較兩個(gè)日期時(shí)間
is_future = next_week > now
print(f"是否在未來(lái)：{is_future}")

# 獲取本地時(shí)區(qū)
local_tz = now.tzinfo
print(f"本地時(shí)區(qū)：{local_tz}")

# 獲取UTC時(shí)區(qū)
utc_tz = arrow.utcnow().tzinfo
print(f"UTC時(shí)區(qū)：{utc_tz}")

# 將日期時(shí)間對(duì)象轉(zhuǎn)換到其他時(shí)區(qū)
ny_time = now.to("America/New_York")
print(f"紐約時(shí)間：{ny_time}")

# 顯示相對(duì)時(shí)間
humanized_time = now.humanize()
print(f"相對(duì)時(shí)間顯示：{humanized_time}")

# 獲取日期時(shí)間的各個(gè)組成部分
year = now.year
month = now.month
day = now.day
hour = now.hour
minute = now.minute
second = now.second
print(f"年：{year}, 月：{month}, 日：{day}, 時(shí)：{hour}, 分：{minute}, 秒：{second}")

# 計(jì)算時(shí)間跨度
diff = custom_dt - now
print(f"日期時(shí)間差距：{diff}")

# 轉(zhuǎn)換為時(shí)間戳
timestamp = now.timestamp()
print(f"時(shí)間戳：{timestamp}")

# 從時(shí)間戳創(chuàng)建日期時(shí)間
from_timestamp = arrow.get(timestamp)
print(f"從時(shí)間戳創(chuàng)建日期時(shí)間：{from_timestamp}")

# 自定義格式化
custom_format = now.format("dddd, MMMM D, YYYY [at] h:mm A")
print(f"自定義格式化：{custom_format}")

import pandas as pd

# 創(chuàng)建Pandas的時(shí)間序列
date_range = pd.date_range(start=now.datetime, periods=5, freq='D')

# 轉(zhuǎn)換為Arrow對(duì)象
arrow_objects = [arrow.get(dt) for dt in date_range]
print(f"Pandas時(shí)間序列轉(zhuǎn)為Arrow對(duì)象：{arrow_objects}")

try:
    # 嘗試解析錯(cuò)誤的日期時(shí)間字符串
    invalid_dt = arrow.get("invalid datetime")
except arrow.parser.ParserError as e:
    print(f"解析錯(cuò)誤：{e}")

import arrow
import time

# 測(cè)試日期時(shí)間創(chuàng)建的性能
start_time = time.time()
for _ in range(100000):
    arrow.get("2023-01-01T12:00:00")
end_time = time.time()
print(f"創(chuàng)建100,000個(gè)日期時(shí)間對(duì)象所需時(shí)間：{end_time - start_time} 秒")

import arrow
import time

# 測(cè)試時(shí)區(qū)轉(zhuǎn)換的性能
now = arrow.now()
start_time = time.time()
for _ in range(100000):
    now.to("America/New_York")
end_time = time.time()
print(f"進(jìn)行100,000次時(shí)區(qū)轉(zhuǎn)換所需時(shí)間：{end_time - start_time} 秒")

import arrow
import logging

# 配置日志記錄器
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

# 記錄事件發(fā)生時(shí)間
event_time = arrow.now()
logger.info(f"事件發(fā)生于：{event_time}")

import arrow
from apscheduler.schedulers.blocking import BlockingScheduler

# 創(chuàng)建調(diào)度器
scheduler = BlockingScheduler()

# 定義一個(gè)定時(shí)任務(wù)
def scheduled_task():
    current_time = arrow.now()
    print(f"定時(shí)任務(wù)執(zhí)行于：{current_time}")

# 每天的10:30執(zhí)行任務(wù)
scheduler.add_job(scheduled_task, 'cron', hour=10, minute=30)

# 啟動(dòng)調(diào)度器
scheduler.start()