===============interval: 固定时间间隔触发===============
from apscheduler.schedulers.blocking import BlockingScheduler
from datetime import datetime

def job():
  print(datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
# 定义BlockingScheduler
sched = BlockingScheduler()
sched.add_job(job, 'interval', seconds=5) 
sched.start()

===============cron: 特定时间周期性地触发===============
import time
from apscheduler.schedulers.blocking import BlockingScheduler

def job(text):
  t = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time()))
  print('{} --- {}'.format(text, t))

scheduler = BlockingScheduler()
# 在每天22点，每隔 1分钟 运行一次 job 方法
scheduler.add_job(job, 'cron', hour=17, minute='*/1', args=['job1'])
# 在每天22和23点的25分，运行一次 job 方法
scheduler.add_job(job, 'cron', hour='22-23', minute='25', args=['job2'])

scheduler.start()

import time
from apscheduler.schedulers.blocking import BlockingScheduler

scheduler = BlockingScheduler()

@scheduler.scheduled_job('interval', seconds=5)
def job1():
  t = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time()))
  print('job1 --- {}'.format(t))

@scheduler.scheduled_job('cron', second='*/7')
def job2():
  t = time.strftime('%Y-%m-%d %H:%M:%S', time.localtime(time.time()))
  print('job2 --- {}'.format(t))

scheduler.start()