使用Python自动发送邮件-添加将图片插入正文

一时失言乱红尘 2022-12-20 12:55 119阅读 0赞

import smtplib
    # 负责构造文本
    from email.mime.text import MIMEText
    # 负责构造图片
    from email.mime.image import MIMEImage
    # 负责将多个对象集合起来
    from email.mime.multipart import MIMEMultipart
    from email.header import Header
    import os,sys
    BASE_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
    sys.path.insert(0, BASE_PATH)
    import configparser
    cf = configparser.ConfigParser()
    cf.read(os.path.join(BASE_PATH, 'doc/config.ini'))
    sender_dict = dict(cf.items('sender-config'))
    recivers_dict = dict(cf.items('recivers-config'))
    
    
    class Mail(object):
        def __init__(self):
            self.mail_host = sender_dict['host']  # SMTP服务器
            self.port = int(sender_dict['port']) # 端口号
            self.mail_sender = sender_dict['sender']  # 发件人邮箱
            self.mail_license = sender_dict['pwd']  # 授权密码
            self.mail_receivers = [v for k, v in recivers_dict.items() if 'reciver' in k]  # 收件人邮箱，可以为多个收件人
        def send(self,subject,body_content,attachs,pics):
            ''' :param subject: str,邮件主题 :param body_content: str,邮件正文 :param attachs: list,附件地址 :param pics: list,图片地址 :return: 发送邮件 '''
            mm = MIMEMultipart('related')# 构建MIMEMultipart对象代表邮件本身，可以往里面添加文本、图片、附件等
            # 设置发送者,注意严格遵守格式,里面邮箱为发件人邮箱
            mm["From"] = self.mail_sender
            # 设置接受者,注意严格遵守格式,里面邮箱为接受者邮箱
            mm["To"] = ','.join(self.mail_receivers)
            # 1. 设置邮件头部内容
            mm["Subject"] = Header(subject, 'utf-8')
            # 2. 添加正文内容
            body_footer = '<p style="color:red">此邮件为系统自动发送，请勿在此邮件上直接回复，谢谢~</p>'
            # 3. 添加附件
            for attach_file in attachs:
                with open(attach_file, 'rb') as file_info:
                    atta = MIMEText(file_info.read(), 'base64', 'utf-8')
                    atta.add_header('Content-Disposition', 'attachment', filename=('utf-8', '', os.path.basename(attach_file)))
                    # 添加附件到邮件信息当中去
                    mm.attach(atta)
            # 4. 添加图片到附件
            for pic_file in pics:
                with open(pic_file,'rb') as image:
                    image_info = MIMEImage(image.read())
                    image_info.add_header('Content-Disposition', 'attachment', filename=('utf-8', '', os.path.basename(pic_file)))
                    mm.attach(image_info)
            # 5. 添加图片到正文
            pic_inline = '<p> 图片展示：</p>'
            for index,pic_file in enumerate(pics):
                pic_file_name = os.path.basename(pic_file)
                with open(pic_file,'rb') as image:
                    image_info = MIMEImage(image.read())
                    image_info.add_header('Content-Id',f'<image{index+1}>')
                    mm.attach(image_info)
                    tmp_pic_inline = f'''  <br><img src="cid:image{index+1}" width="300" alt={pic_file_name}></br> '''
                    pic_inline += tmp_pic_inline
            mm.attach(MIMEText(body_content + pic_inline + body_footer, "html", "utf-8"))
            # 创建SMTP对象
            stp = smtplib.SMTP(self.mail_host)
            # 设置发件人邮箱的域名和端口
            stp.connect(self.mail_host, self.port)
            # set_debuglevel(1)可以打印出和SMTP服务器交互的所有信息
            # stp.set_debuglevel(1)
            stp.starttls()
            # 登录邮箱，传递参数1：邮箱地址，参数2：邮箱授权码
            stp.login(self.mail_sender,self.mail_license)
            # 发送邮件，传递参数1：发件人邮箱地址，参数2：收件人邮箱地址，参数3：把邮件内容格式改为str
            stp.sendmail(self.mail_sender, self.mail_receivers, mm.as_string())
            print("邮件发送成功")
            # 关闭SMTP对象
            stp.quit()
    
    if __name__ == '__main__':
        subject = """Python邮件测试"""
        body_content = """ <h1>这是一封测试邮件 - 1级标题</h1> <h2>这是一封测试邮件 - 2级标题</h2> <h3>这是一封测试邮件 - 3级标题</h3> """
        attachs = [f'{BASE_PATH}/doc/attach1.txt',f'{BASE_PATH}/doc/attach2.xlsx']
        pics = [f'{BASE_PATH}/doc/pic1.jpg',f'{BASE_PATH}/doc/pic2.png']
        Mail().send(subject,body_content,attachs,pics)

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMzMjQ2NzAy_size_16_color_FFFFFF_t_70_pic_center]

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzMzMjQ2NzAy_size_16_color_FFFFFF_t_70_pic_center]: /images/20221120/dac90fba4eff4e149605c7937bff62a7.png