Python3实现带附件的定时发送邮件功能

import osimport datetime #定时发送，以及日期import shutil #文件操作import smtplib #邮件模块from email.mime.text import MIMETextfrom email.mime.multipart import MIMEMultipartfrom email.header import Headerimport timeimport xlwt #excel写入

def eWrite(fLocate,file_sheet,file_subject,style0):  try:    if os.path.exists(fLocate):      os.remove(fLocate)  # 如果文件存在，则删除    f = xlwt.Workbook(encoding='utf-8')  #打开excel文件    fs = f.add_sheet(file_sheet)  #sheet名    subject = list(file_subject)  #列表化    for i in range(len(subject)): #找到日期列      if '日期' in subject[i]:        col_num=i    for i in range(len(subject)): #sheet标题      fs.write(0, i, subject[i])    for i in range(10): #单元格宽度为      fs.col(i).width=3333    print("WRITE FINISHED")    f.save(fLocate)  except :    print ("WRITE FAILED")

def eSend(sender,receiver,username,password,smtpserver,subject,e_content,file_path,file_name):  try:#邮件头    message = MIMEMultipart()    message['From'] = sender#发送    message['To'] = ",".join(receiver)#收件    message['Subject'] = Header(subject, 'utf-8')    message.attach(MIMEText(e_content, 'plain', 'utf-8'))# 邮件正文# 构造附件    att1 = MIMEText(open(file_path+file_name,'rb').read(), 'base64', 'utf-8')    att1["Content-Type"] = 'application/octet-stream'    att1["Content-Disposition"] = "attachment;filename="+file_name    message.attach(att1)#执行    smtp = smtplib.SMTP()    smtp.connect(smtpserver) #连接服务器    smtp.login(username, password) #登录    smtp.sendmail(sender, receiver, message.as_string()) #发送    smtp.quit()    print("SEND")  except:    print("SEND FAILED")

while True:#配置  #__time_____  ehour=11#定时小时  emin=49#定时分钟  esec=50#定时秒  current_time = time.localtime(time.time())   #当前时间date  cur_time = time.strftime('%H%M', time.localtime(time.time()))       #当前时间str  #__mysql_____  #__email_____  sender = '' # 发件人邮箱  receiver = ['453032441@qq.com'] # 收件人邮箱，可以多个（列表形式）群发  username = '' # 发件人姓名  password = '' # smtp密码，qq是给你分配一串，163是自己设置  smtpserver = '' # 邮箱服务器  subject = "Hey,here's something interesting"   #邮件标题  e_content = '{0:^27}/n{1:^27}/n{2:^25}/n{3:^25}'.format('i','/  //','(-----)','(--------)')  #邮件正文  #__file_____  file_path = "D:/"  #文件位置  file_name="shit.xls"  #文件名  fLocate = file_path + file_name   #文件路径  file_subject='I', 'MISS', 'U' #sheet标题  file_sheet='ok' #sheet名  style0=xlwt.XFStyle()  style0.num_format_str='YYYY-MM-DD'#操作  if ((current_time.tm_hour == ehour) and (current_time.tm_min == emin) and (current_time.tm_sec == esec)):    print ("START")    eWrite(fLocate, file_sheet, file_subject,style0)    eSend(sender, receiver, username, password, smtpserver, subject, e_content, file_path,file_name)    print(cur_time)  time.sleep(1)