SpringBoot中快速实现邮箱发送代码解析

<!-- 邮箱发送依赖 --><dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-mail</artifactId></dependency><!-- 小火龙代码简化 --><dependency>  <groupId>org.projectlombok</groupId>    <artifactId>lombok</artifactId>  <version>1.18.8</version></dependency>

# JavaMailSender 邮件发送的配置spring.mail.host=smtp.qq.comspring.mail.username=lovelyWu98k@qq.com#授权码spring.mail.password=spring.mail.properties.mail.smtp.auth=truespring.mail.properties.mail.smtp.starttls.enable=truespring.mail.properties.mail.smtp.starttls.required=truespring.mail.default-encoding=UTF-8

/** * 邮件信息实体 * * @author:伍梓涛 * @version:1.0.0 * @Modified By:SimpleWu * @CopyRright (c)2019-:YUM架构平台 */@Datapublic class MailEntity {  private String to; //收件人  private String subject;//标题  private String text;//正文  private boolean isHtml = false;//是否html邮件  private List<String> files;//附件地址  private Date sentDate;//发送时间}

/** * 邮箱发送信息统一处理封装 * * @author:伍梓涛 * @version:1.0.0 * @Modified By:SimpleWu * @CopyRright (c)2019-:YUM架构平台 */@Slf4jpublic class MailEntityHelper {  public static MimeMessageHelper craeteMessageHelper(MimeMessage mimeMessage, MailEntity mailBean) throws MessagingException {    MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(mimeMessage, true);    // mimeMessageHelper.setFrom(emailSender);//发件人    mimeMessageHelper.setTo(mailBean.getTo());//收件人    mimeMessageHelper.setSubject(mailBean.getSubject());//标题    mimeMessageHelper.setText(mailBean.getText(), mailBean.isHtml());//是否html    mimeMessageHelper.setSentDate(mailBean.getSentDate() == null ? new Date() : mailBean.getSentDate());// 客户端邮箱发送时间    if (mailBean.getFiles() != null && mailBean.getFiles().size() > 0) {      //附件添加      mailBean.getFiles().forEach(filename -> {        String ext = filename.substring(filename.lastIndexOf(".") + 1, filename.length());        File diskfile = new File(filename);        try {          mimeMessageHelper.addAttachment(diskfile.getName(), diskfile);        } catch (MessagingException e) {          e.printStackTrace();          log.error("设置附件失败:{}", mailBean);        }      });    }    return mimeMessageHelper;  }}

/** * 邮箱发送工具类 * * @author:伍梓涛 * @version:1.0.0 * @Modified By:SimpleWu * @CopyRright (c)2019-:YUM架构平台 */@Component@Slf4jpublic class MailHelper {  @Autowired  private JavaMailSender javaMailSender;  @Value("${spring.mail.username}")  private String emailSender;  private static MailHelper mailHelper;  public MailHelper() {    mailHelper = this;  }  /**   * 构建静态获取实例   *   * @return   */  public static MailHelper buidler() {    if (mailHelper == null) {      return null;    }    return mailHelper;  }  /*public void sendSimpleMail(EmailContextPojo mailBean) {    try {      SimpleMailMessage simpleMailMessage = new SimpleMailMessage();      //邮件发送人      simpleMailMessage.setFrom(emailSender);      //邮件接收人      simpleMailMessage.setTo(mailBean.getTo());      //邮件主题      simpleMailMessage.setSubject(mailBean.getSubject());      //邮件内容      simpleMailMessage.setText(mailBean.getText());      javaMailSender.send(simpleMailMessage);    } catch (Exception e) {      e.printStackTrace();      log.error("邮件发送失败", e.getMessage());    }  }*/  public void sendMail(MailEntity mailBean) {    MimeMessage mimeMailMessage = null;    try {      mimeMailMessage = javaMailSender.createMimeMessage();      MimeMessageHelper mimeMessageHelper = MailEntityHelper.craeteMessageHelper(mimeMailMessage, mailBean);      mimeMessageHelper.setFrom(emailSender);//发件人      javaMailSender.send(mimeMailMessage);    } catch (Exception e) {      log.error("邮件发送失败", e.getMessage());    }  }  public void sendMail(MailEntity... mailBeans) {    //批量发送集合    List<MimeMessage> mimeMessages = new ArrayList<>(mailBeans.length);    try {      if (mailBeans != null || mailBeans.length > 0) {        for (int i = 0; i < mailBeans.length; i++) {          MimeMessage mimeMailMessage = javaMailSender.createMimeMessage();          MimeMessageHelper messageHelper = MailEntityHelper.craeteMessageHelper(mimeMailMessage, mailBeans[i]);          messageHelper.setFrom(emailSender);//发件人          mimeMessages.add(mimeMailMessage);        }      }      MimeMessage[] resultMessage = new MimeMessage[mimeMessages.size()];      mimeMessages.toArray(resultMessage);      javaMailSender.send((resultMessage));    } catch (Exception e) {      log.error("邮件发送失败", e.getMessage());    }  }}

 MailEntity emailContextPojo = new MailEntity(); emailContextPojo.setSubject("Ycloud 邮箱标题"); emailContextPojo.setText("Ycloud 邮箱正文"); emailContextPojo.setTo(" 接收邮箱号 "); MailHelper.buidler().sendMail(emailContextPojo);

 emailContextPojo.setHtml(true);

emailContextPojo.setFiles(Arrays.asList("D://Yum系统架构平台//004.高系统部署//004.PXC//部署手册.docx"));