springboot简单的邮件发送

最近在学习springboot,当做练习写一个简单的邮件发送Demo,对smtp和pop3不了解的同学,希望可以了解一下这两个协议,废话不多说,直接撸代码:

先起一个springboot项目,不会的可以参考其他同学的,这里不做详细了

/**
     * 发送带有简单文本的邮件
     *
     * @param [to, subject, content]
     * @return void
     * @author szx
     * @date 2018/11/10 12:29
     */
    public void sendSimpleMail(String to, String subject, String content) {
        SimpleMailMessage message = new SimpleMailMessage();
        message.setTo(to);
        message.setSubject(subject);
        message.setText(content);
        message.setFrom(from);
        mailSender.send(message);
    }

/**
     * 发送带有html内容的邮件
     *
     * @param [to, subject, content]
     * @return void
     * @author szx
     * @date 2018/11/10 12:29
     */
    public void sendHtmlMail(String to, String subject, String content) {
        log.info("发送html邮件:{},{},{}", to, subject, content);
        MimeMessage message = mailSender.createMimeMessage();
        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setText(content, true);
            helper.setTo(to);
            helper.setFrom(from);
            helper.setSubject(subject);
            mailSender.send(message);
            log.info("发送成功");
        } catch (MessagingException e) {
            log.error("html文件发送失败", e);
        }
    }

/**
     * 发送带有附件的邮件
     *
     * @param [to, subject, content, filePath]
     * @return void
     * @author szx
     * @date 2018/11/10 12:28
     */
    public void sendAttachmentMail(String to, String subject, String content, String filePath) {
        log.info("开始发送附件邮件:{},{},{},{}", to, subject, content, filePath);
        MimeMessage message = mailSender.createMimeMessage();
        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setText(content);
            helper.setSubject(subject);
            FileSystemResource resource = new FileSystemResource(new File(filePath));
            String fileName = resource.getFilename();
            helper.addAttachment(fileName, resource);
            mailSender.send(message);
            log.info("发送成功");
        } catch (MessagingException e) {
            log.error("发送失败", e);
        }

    }

/**
     * 发送带有静态图片邮件
     *
     * @param [to, subject, content, srcPath, srcId]
     * @return void
     * @author szx
     * @date 2018/11/10 12:28
     */
    public void sendInlineMail(String to, String subject, String content, String srcPath, String srcId) {
        log.info("开始发送静态图片的邮件:{},{},{},{},{}", to, subject, content, srcPath, srcId);
        MimeMessage message = mailSender.createMimeMessage();
        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(subject);
            helper.setText(content, true);
            FileSystemResource resource = new FileSystemResource(new File(srcPath));
            helper.addInline(srcId, resource);
            mailSender.send(message);
            log.info("发送成功");
        } catch (MessagingException e) {
            log.error("发送失败", e);
        }
    }

如果要详细了解,欢迎点击源码下载