springboot实现邮箱注册

配置

#邮件发送配置
spring.mail.default-encoding=UTF-8
spring.mail.host=smtp.qq.com
spring.mail.username=XXX@qq.com
#邮箱授权码
spring.mail.password=授权码
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.starttls.required=true
spring.mail.protocol=smtp

service

@Slf4j
@Service("mailService")
public class MailService {
    @Value("${spring.mail.username}")
    private String from;
    @Autowired
    private JavaMailSender mailSender;


    public void sendSimpleMail(String to, String title, String content) {
        SimpleMailMessage message = new SimpleMailMessage();
        message.setFrom(from);
        message.setTo(to);
        message.setSubject(title);
        message.setText(content);
        mailSender.send(message);
        log.info("邮件发送成功");
    }

    /**
     * 发送带附件的邮件
     * @param to
     * @param title
     * @param cotent
     * @param fileList
     */
    public void sendAttachmentsMail(String to, String title, String cotent, List<File> fileList) {
        MimeMessage message = mailSender.createMimeMessage();
        try {
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(from);
            helper.setTo(to);
            helper.setSubject(title);
            helper.setText(cotent);
            String fileName = null;
            for (File file : fileList) {
                fileName = MimeUtility.encodeText(file.getName(), "GB2312", "B");
                helper.addAttachment(fileName, file);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        mailSender.send(message);
        log.info("邮件发送成功");
    }

controller

    @Autowired
    private MailService mailService;

    @GetMapping(value = "email")
    public String getCheckCode(@RequestParam String memberEmail){
        System.out.println("邮箱为"+memberEmail);
        String checkCode = String.valueOf(new Random().nextInt(899999) + 100000);
        String message = "您的注册验证码为："+checkCode;
        try {
            mailService.sendSimpleMail(memberEmail, "注册验证码", message);
        }catch (Exception e){
            return "500";
        }
        return checkCode;
    }