获取PM2.5，,__author__ =

获取PM2.5，,__author__ =

__author__ = 'Qing'# -*- coding: utf8 -*-import sysimport urllib2import jsonimport smtplibfrom email.mime.text import MIMETextfrom email.header import Headerreload(sys)sys.setdefaultencoding("utf8")class check_PM():    def __init__(self,url,city,token="..."):        self.city=city        self.header = {"Content-Type":"application/json"}        self.token=token        self.url=url    def get(self):        url=self.url+"?city="+self.city+"&token="+self.token        request=urllib2.Request(url,headers=self.header)        response=json.loads(urllib2.urlopen(request).read())        PM_result=response[0][u'pm2_5']        return PM_result    def mail(self):        PM_result=self.get()        sender = '...'        receiver=['...']        subject = u'目前Pm2.5 数值为 %d，请珍爱生命,做好防护措施' %PM_result        smtpserver = 'smtp.126.com'        username = '...'        password = '...'        msg = MIMEText('你好','text','utf-8')#中文需参数‘utf-8’，单字节字符不需要        msg['Subject'] = Header(subject, 'utf-8')        smtp = smtplib.SMTP()        smtp.connect('smtp.126.com')        smtp.login(username, password)        smtp.sendmail(sender, receiver, msg.as_string())        smtp.quit()    def run(self):        PM_result=self.get()        if int(PM_result)>1:            self.mail()        else :            passif __name__=="__main__":    check_PM('http://www.pm25.in/api/querys/pm2_5.json','cityname').run()