适用于心仪的图书被借光了的情况，当有人还书，该书的状态变为可借时自动发送邮件提醒。 tips：使用139邮箱还会有短信提醒，发件人和收件人可以相同。
#!coding=utf-8 import requests import sys import time import smtplib import email.mime.multipart import email.mime.text # reload(sys) # sys.setdefaultencoding('utf8') bookmysql="http://211.87.177.4/opac/item.php?marc_no=0000377401" booklinux="http://211.87.177.4/opac/item.php?marc_no=0000387713" booktest="http://211.87.177.4/opac/item.php?marc_no=0000312783" while(1): time.sleep(600)#秒为单位 r=requests.get(url=bookmysql) r2=requests.get(url=booklinux) #r=requests.get(url=booktest) text=r.content.decode(encoding="utf-8", errors="strict") text2=r2.content.decode(encoding="utf-8", errors="strict") if ("可借" in text or "可借" in text2): print("发现书籍！") ####发送邮件 msg=email.mime.multipart.MIMEMultipart() msg['from']='xxxxxxxx@139.com' msg['to']='xxxxxxxx@139.com' msg['subject']='有书啦！'#主题 content=''' 有人还书啦！快去借吧！ 详情请登录library.upc.edu.cn ''' txt=email.mime.text.MIMEText(content) msg.attach(txt) smtp=smtplib smtp=smtplib.SMTP() smtp.connect('smtp.139.com','25') smtp.login('xxxxxxxxx@139.com','yourpassword') smtp.sendmail('xxxxxxxxxxx@139.com','xxxxxxxxxxx@139.com',str(msg)) smtp.quit() print("邮件发送成功！") break else: print("未发现书籍！") print("监控结束!") # print(r.content.decode(encoding="utf-8", errors="strict"))源码：https://github.com/wukuai/Interesting/blob/master/monitorTheBooks.py
