Python3.6 Schedule模块定时任务(实例讲解)

import schedule
import codecs
import csv
import time
from sqlalchemy import create_engine

def get_conn():
 engine = create_engine("mysql+pymysql://root:password@localhost:3306/test?charset=utf8mb4")
 conn = engine.connect()
 return conn

def query():
 sql = "select * from user limit 10"
 conn = get_conn()
 return conn.execute(sql)

def read_mysql_to_csv(filename):
 with codecs.open(filename=filename, mode='w') as f:
  write = csv.writer(f, dialect='excel')

  results = query()
  for result in results:
   write.writerow(result)

schedule.every().day.at("17:49").do(read_mysql_to_csv, "test")
while True:
 schedule.run_pending()
 time.sleep(10)

import schedule
import time

def job():
 print("I'm working...")

schedule.every(10).minutes.do(job)
schedule.every().hour.do(job)
schedule.every().day.at("10:30").do(job)
schedule.every().monday.do(job)
schedule.every().wednesday.at("13:15").do(job)

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