配置

mail:
  # 邮件服务器地址
  host: smtp.qq.com
  # 你的邮箱地址
  username: 管理员的QQ邮箱，例如：xxxxxx@qq.com
  # 授权码
  password: xtgfgfqieqfycddh
  # 编码格式
  default-encoding: utf-8
  # 协议
  protocol: smtp
  properties:
    mail:
      smtp:
        auth: true
        starttls:
          enable: true
          required: true

邮箱地址改成管理员的QQ邮箱

授权码如何获取呢？

获取授权码步骤

①、登录qq邮箱网站：https://wx.mail.qq.com/?cancel_login=true&from=get_ticket_fail

img

img

示例代码

/**
 * 异步服务实现类
 */
@Slf4j
@Async("asyncExecutor")
@Service
@RequiredArgsConstructor
public class AsyncServiceImpl implements IAsyncService {

    private final NoticeMapper noticeMapper;
    private final SmartMapper smartMapper;

    /**
     * 邮件发送者
     */
    @Value("${spring.mail.username}")
    private String username;

    private static final String MACHINE_TITLE = "机器故障通知";

    private static final String TEMPLATE = "尊敬的管理员：部分机器发生了故障，请尽快处理！编号：";

    /**
     * 注入QQ发送邮件的bean
     */
    @Autowired
    private JavaMailSender javaMailSender;

    /**
     * 机器故障发送文本邮件
     *
     * @param content
     */
    @Override
    public void sendMachineMail(String content) {
        try {
            log.info("邮箱准备发送：故障机器为：{}",content);
            SimpleMailMessage mailMessage= new SimpleMailMessage();
            //发送者
            mailMessage.setFrom(this.username);
            //接收者
            mailMessage.setTo(this.username);
            //邮件标题
            mailMessage.setSubject(MACHINE_TITLE);
            //邮件内容
            mailMessage.setText(TEMPLATE + content);
            Notice notice = new Notice();
            notice.setTitle(MACHINE_TITLE);
            notice.setContent(TEMPLATE + content);
            noticeMapper.insert(notice);
            //发送邮箱
            javaMailSender.send(mailMessage);
            log.info("邮箱发送成功：故障机器为：{}",content);
        } catch (Exception e) {
            log.info("邮箱发送失败：故障机器为：{}",content);
        }
    }
}