import poplib        import sys        import smtplib        from email.mime.text import MIMEText        import os        from email.header import decode_header        import email        import time        def check_email():            try:                p = poplib.POP3('pop.163.com')                p.user('*****@163.com')                p.pass_('*******')                ret = p.stat()            except:                print('Login failed!')                sys.exit(1)            str = p.top(ret[0], 0)            strlist = []            for x in str[1]:                    try:                        strlist.append(x.decode())                    except:                        try:                            strlist.append(x.decode('gbk'))                        except:                            strlist.append((x.decode('big5')))            mm = email.message_from_string('\n'.join(strlist))            sub = decode_header(mm['subject'])            if sub[0][1]:                submsg = sub[0][0].decode(sub[0][1])            else:                submsg = sub[0][0]            if submsg.strip() == '关机':                return 0            elif submsg.strip() == '重启':                return 1            p.quit()        def send_email():            user = '*******@qq.com'            pwd = '**********'            to = ['*****@163.com', '*****@139.com']     #139邮件会有短信提醒,让我知道是否成功            msg = MIMEText('')            msg['Subject'] = '已收到命令!'            msg['From'] = user            msg['To'] = ','.join(to)            s = smtplib.SMTP('smtp.qq.com')            s.login(user, pwd)            s.sendmail(user, to, msg.as_string())            s.close()                if __name__ == '__main__':            while True:                time.sleep(20)                if check_email() == 0:                    send_email()                    os.system('shutdown -s -t 1')    #关机                    break                if check_email() == 1:                    send_email()                    os.system('shutdown -r')      #重启                    break  

其它命令自行添加,这里只作 关机和重启