java自帶的擴充套件包javax實現郵件傳送

public class EmailEntity {
    /**
     * 郵箱伺服器ip
     */
    private String mailServerHost;
    /**
     * 郵箱伺服器埠
     */
    private String mailServerPort;
    /**
     * 郵件傳送者郵箱地址
     */
    private String fromAddress;
    /**
     * 郵件傳送者郵箱使用者名稱
     */
    private String username;
    /**
     * 郵件傳送者郵箱密碼
     */
    private String passwd;
    /**
     * 收件人
     */
    private String[] toAddress;
    /**
     * 抄送人
     */
    private String[] cc;
    /**
     * 密送人
     */
    private String[] bcc;
    /**
     * 是否認證郵件傳送者身份
     */
    private boolean validate;
    /**
     * 郵件主題
     */
    private String subject;
    /**
     * 郵件內容
     */
    private String content;
    /**
     * 郵件附件
     */
    private File[] files;

    public Properties getProperties(){
        Properties properties = new Properties();
        properties.put("mail.smtp.host", this.mailServerHost);
        properties.put("mail.smtp.port", this.mailServerPort);
        properties.put("mail.smtp.auth", this.validate ? "true":"false");
        properties.put("mail.smtp.sendpartial", "true");
        /**
        * 開啟tls
        properties.put("mail.smtp.ssl.checkserveridentity", "false");
        //新增信任的伺服器地址，多個地址之間用空格分開
	properties.put("mail.smtp.ssl.trust","0.0.0.0");
	properties.put("mail.smtp.starttls.enable", tlsEnabled);
        */
        return properties;
    }

    public String getMailServerHost() {
        return mailServerHost;
    }

    public void setMailServerHost(String mailServerHost) {
        this.mailServerHost = mailServerHost;
    }

    public String getMailServerPort() {
        return mailServerPort;
    }

    public void setMailServerPort(String mailServerPort) {
        this.mailServerPort = mailServerPort;
    }

    public String getFromAddress() {
        return fromAddress;
    }

    public void setFromAddress(String fromAddress) {
        this.fromAddress = fromAddress;
    }

    public String getUsername() {
        return username;
    }

    public void setUsername(String username) {
        this.username = username;
    }

    public String getPasswd() {
        return passwd;
    }

    public void setPasswd(String passwd) {
        this.passwd = passwd;
    }

    public String[] getToAddress() {
        return toAddress;
    }

    public void setToAddress(String[] toAddress) {
        this.toAddress = toAddress;
    }

    public String[] getCc() {
        return cc;
    }

    public void setCc(String[] cc) {
        this.cc = cc;
    }

    public String[] getBcc() {
        return bcc;
    }

    public void setBcc(String[] bcc) {
        this.bcc = bcc;
    }

    public boolean isValidate() {
        return validate;
    }

    public void setValidate(boolean validate) {
        this.validate = validate;
    }

    public String getSubject() {
        return subject;
    }

    public void setSubject(String subject) {
        this.subject = subject;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }

    public File[] getFiles() {
        return files;
    }

    public void setFiles(File[] files) {
        this.files = files;
    }
}
 

public class EmailSender {

    private static Logger logger = LoggerFactory.getLogger(uyun.bird.notify.core.sender.email.MailSender.class);

    public boolean sendMail(EmailEntity emailEntity){

        IdentityAuthenticator authenticator = null;

        if (emailEntity.isValidate()) {
            authenticator = new IdentityAuthenticator(emailEntity.getUsername(), emailEntity.getPasswd());
        }
        Session sendMailSession = Session.getInstance(emailEntity.getProperties(), authenticator);
        try {
            Message mailMessage = new MimeMessage(sendMailSession);

            // 建立郵件傳送者地址
            mailMessage.setFrom(new InternetAddress(emailEntity.getFromAddress()));
            // 收件人
            if (emailEntity.getToAddress() != null && emailEntity.getToAddress().length > 0) {
                for (String to : emailEntity.getToAddress()) {
                    if (!StringUtils.isBlank(to)) {
                        mailMessage.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
                    }
                }
            }
            // 抄送人
            if (emailEntity.getCc() != null && emailEntity.getCc().length > 0) {
                for (String cc : emailEntity.getCc()) {
                    if (!StringUtils.isBlank(cc)) {
                        mailMessage.addRecipient(Message.RecipientType.CC, new InternetAddress(cc));
                    }
                }
            }
            // 密送人
            if (emailEntity.getBcc() != null && emailEntity.getBcc().length > 0) {
                for (String bcc : emailEntity.getBcc()) {
                    if (!StringUtils.isBlank(bcc)) {
                        mailMessage.addRecipient(Message.RecipientType.BCC, new InternetAddress(bcc));
                    }
                }
            }
            Multipart mainPart = new MimeMultipart();
            File[] files = emailEntity.getFiles();
            if (files != null) {
                MimeBodyPart filePart;
                FileDataSource filedatasource;
                for (File file : files) {
                    filePart = new MimeBodyPart();
                    filedatasource = new FileDataSource(file);
                    filePart.setDataHandler(new DataHandler(filedatasource));
                    try {
                        filePart.setFileName(MimeUtility.encodeText(filedatasource.getName()));
                    } catch (Exception e) {
                        logger.error(String.format("file not exist", file.getName()), e);
                    }
                    mainPart.addBodyPart(filePart);
                }
            }
            mailMessage.setSubject(emailEntity.getSubject());
            mailMessage.setSentDate(new Date());
            // 設定郵件內容
            BodyPart html = new MimeBodyPart();
            html.setContent(emailEntity.getContent(), "text/html; charset=utf-8");
            mainPart.addBodyPart(html);
            mailMessage.setContent(mainPart);
            // 傳送郵件
            Transport.send(mailMessage);
            return true;
        } catch (MessagingException e) {
            logger.error("mail sending fail:", e);
            throw new Exception("500", e.getMessage());
        }
    }
}