springboot에서 이메일 전송 기능을 구현하는 방법

 <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-mail</artifactId>
        </dependency>
 
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>

 @Test
    public void sendAttachmentsMail() {
        Context context = new Context();
        context.setVariable("agencyName", "11");
        context.setVariable("busTypeName", "22");
        context.setVariable("busAllowance", 33);
        String emailContent = templateEngine.process("emailTeplate", context);
 
        try {
            emailService.sendAttachmentsMail(new String[]{"xxx.com"}, "测试提示", emailContent);
        } catch (Exception e) {
            e.printStackTrace();
        }
        System.out.println("send mail success!,please wait a few mintens");
    }

/**
     * fujian
     * @throws Exception
     */
    @Async
    public void sendAttachmentsMail(String[] to, String subject, String contnet) throws Exception {
 
        MimeMessage mimeMessage = mailSender.createMimeMessage();
        MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true);
        helper.setFrom("xxx.com");
        helper.setTo(to);
        helper.setSubject(subject);
        helper.setText(contnet,true);
        Path picturePath = Paths.get("E:WorkFiles	estBill", "test.png");
        byte[] bytes = Files.readAllBytes(picturePath);
        helper.addAttachment("附件-1.jpg", picturePath.toFile());
 
        mailSender.send(mimeMessage);
 
    }