node.js 发送邮件附件

const nodemailer = require('nodemailer');
const fs = require('fs');

// 创建一个SMTP传输对象
let transporter = nodemailer.createTransport({
    host: 'smtp.example.com',
    port: 587,
    secure: false, // true for 465, false for other ports
    auth: {
        user: 'your_email@example.com',
        pass: 'your_password'
    }
});

// 邮件选项
let mailOptions = {
    from: '"Your Name" <your_email@example.com>',
    to: 'recipient@example.com',
    subject: 'Test Email with Attachment',
    text: 'This is a test email with an attachment.',
    attachments: [
        {
            filename: 'example.txt',
            path: './example.txt' // 文件路径
        },
        {
            filename: 'image.jpg',
            path: './image.jpg', // 文件路径
            cid: 'unique_image_id' // 可用于在HTML中引用图片
        }
    ],
    html: '<p>This is a test email with an attachment.</p><img src="cid:unique_image_id">'
};

// 发送邮件
transporter.sendMail(mailOptions, (error, info) => {
    if (error) {
        return console.log(error);
    }
    console.log('Message sent: %s', info.messageId);
});