每隔30分鐘觸發網頁的程式

py_schedule.py

import requests
from apscheduler.schedulers.blocking import BlockingScheduler
from datetime import datetime

def job():
    print("於{}開始抓取資料".format(datetime.now()))
    requests.get('http://localhost/weather.php')
    print("於{}結束抓取資料".format(datetime.now()))

job()#初次工作
#定義排程工作
sched = BlockingScheduler()
sched.add_job(job, 'interval', seconds=1800)
sched.start()

py_schedule2.py

import schedule
import time
from datetime import datetime
import requests

def job():
    print("於{}開始抓取資料".format(datetime.now()))
    requests.get('http://localhost/weather.php')
    print("於{}結束抓取資料\n".format(datetime.now()))

schedule.every(30).minutes.do(job)

while True:
    schedule.run_pending()
    time.sleep(29)

py_schedule3.py

import schedule
import time
from datetime import datetime
import requests

def job():
    print("於{}開始抓取資料".format(datetime.now()))
    #requests.get('http://localhost/weather.php')
    print("於{}結束抓取資料\n".format(datetime.now()))

schedule.every(30).minutes.do(job)
#schedule.every().day.at("07:12").do(job)
#schedule.every().day.at("07:42").do(job)
#schedule.every().day.at("08:12").do(job)
job()

while True:
    schedule.run_pending()
    time.sleep(1)

py_schedule_fin.py

import time
import datetime
import requests

def job():
    while True:
        try:
            a = datetime.datetime.now()
            print("開始更新資料:{}".format(a))
            headers = {'Connection': 'close'}
            requests.get('https://127.0.0.1/update.php', headers = headers)
            time.sleep(0.01)
            b = datetime.datetime.now()
            print("結束更新資料:{}".format(b))
            c = (b - a).seconds
            print('本次更新花費時間(秒):', c)
            print('下次更新時間:', b + datetime.timedelta(seconds = 1800 - c))
            time.sleep(1800 - c)
        except:
            print("    本次更新出現不明錯誤，現在時間{}".format(datetime.now()))
            print("於五分鐘後，{}，再次嘗試".format(datetime.datetime.now() + datetime.timedelta(seconds = 300)))
            time.sleep(300)
job()