python 发送带各种附件的邮件示例！

简述下如何使用python发送各种附件的邮件，比如word、excel、pdf、txt，以及在正文插入图片等等

如下所示，

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# coding=utf-8
import smtplib
from email.mime.text import MIMEText
from email.header import Header
from smtplib import SMTP_SSL
from email.mime.image import MIMEImage
from email.mime.multipart import MIMEMultipart
from email.mime.application import MIMEApplication
from email.mime.text import MIMEText
from email.mime.base import MIMEBase
from email.encoders import encode_base64
import os
import traceback
def send_mail(mail_title,
 mail_content=None,
 attachment_img=None,
 attachment_txt=None,
 attachment_pdf=None,
 attachment_excel=None,
 attachment_word=None):
 # qq邮箱smtp服务器
 host_server = 'smtp.qq.com'
 # sender_qq为发件人的qq号码
 sender_qq = '947118251'
 # pwd为qq邮箱的授权码
 pwd = 'tvjl******zpbebb'
 # 发件人的邮箱
 sender_qq_mail = '[email protected]'
 # 收件人邮箱
 # receiver = '[email protected]'
 receiver = '[email protected]'
 try:
 # ssl登录
 smtp = SMTP_SSL(host_server)
 # set_debuglevel()是用来调试的。参数值为1表示开启调试模式，参数值为0关闭调试模式
 smtp.set_debuglevel(1)
 smtp.ehlo(host_server)
 smtp.login(sender_qq, pwd)
 # msg = MIMEText(mail_content, "plain", 'utf-8')
 msg = MIMEMultipart('related')
 msg["Subject"] = Header(mail_title, 'utf-8')
 msg["From"] = sender_qq_mail
 msg["To"] = receiver
 msgAlternative = MIMEMultipart('alternative')
 msg.attach(msgAlternative)
 # image attach
 if attachment_img:
 mail_body = '<b>%s</b><br><img src="cid:%s"><br>' % (mail_content, attachment_img)
 msgText = (MIMEText(mail_body, 'html', 'utf-8'))
 msgAlternative.attach(msgText)
 with open(attachment_img, 'rb') as fp:
 msgImage = MIMEImage(fp.read())
 msgImage.add_header('Content-ID', '<{}>'.format(attachment_img))
 msg.attach(msgImage)
 # txt attach
 if attachment_txt:
 file_name = os.path.split(attachment_txt)[1]
 att1 = MIMEText(open(attachment_txt, 'rb').read(), 'base64', 'utf-8')
 att1["Content-Type"] = 'application/octet-stream'
 # 这里的filename可以任意写，写什么名字，邮件中显示什么名字
 att1["Content-Disposition"] = f'attachment; filename="{file_name}"'
 msg.attach(att1)
 # pdf attach
 if attachment_pdf:
 with open(attachment_pdf, "rb") as fp:
 fileMsg = MIMEBase('application', 'pdf')
 fileMsg.set_payload(fp.read())
 encode_base64(fileMsg)
 fileMsg.add_header('Content-Disposition', f'attachment;filename={os.path.split(attachment_pdf)[1]}')
 msg.attach(fileMsg)
 # excel attach
 if attachment_excel:
 part = MIMEBase('application', "vnd.ms-excel")
 with open(attachment_excel, "rb") as fp:
 part.set_payload(fp.read())
 encode_base64(part)
 part.add_header('Content-Disposition', f'attachment; filename="{os.path.split(attachment_excel)[1]}"')
 msg.attach(part)
 # word attach
 if attachment_word:
 with open(attachment_word, "rb") as fp:
 part = MIMEApplication(fp.read())
 part.add_header('Content-Disposition', f'attachment; filename="{os.path.split(attachment_word)[1]}"')
 part.set_charset('utf-8')
 msg.attach(part)
 smtp.sendmail(sender_qq_mail, receiver, msg.as_string())
 smtp.quit()
 print('Success!')
 except:
 print('Error!')
 traceback.print_exc()
if __name__ == '__main__':
 send_mail(mail_title='爬虫结束了，正常退出!',
 mail_content='你好，这是使用python登录qq邮箱发邮件的测试',
 attachment_img='../data/test.jpg',
 attachment_txt='../data/start_urls.txt',
 attachment_pdf='../data/Gmail - How to add images in the product description_.pdf',
 attachment_excel='../data/shops.xlsx',
 attachment_word='../data/asdasd.docx')