Javamail實現郵件發送

/*
 * 郵件發送類
 */
public class MailSenderUtil{

  /**
  * 以HTML格式發送郵件,可帶附件，本方法可作爲對外接口提供。
  * @param mailInfo 待發送的郵件信息
 * @throws MessagingException
 * @throws AddressException
 * @throws UnsupportedEncodingException
  */
    public static void sendHtmlMailWithLocalAttach(MailSenderInfo mailInfo) throws AddressException, MessagingException, UnsupportedEncodingException {

        // 判斷是否需要身份認證
        MyAuthenticator authenticator = null;

        // 如果需要身份認證，則創建一個密碼驗證器
        if (mailInfo.isValidate()) {
            authenticator = new MyAuthenticator(mailInfo.getUserName(),mailInfo.getPassword());
        }
        // 根據郵件會話屬性和密碼驗證器構造一個發送郵件的session
        Properties pro = mailInfo.getProperties();
        Session sendMailSession = Session.getDefaultInstance(pro, authenticator);

        // 根據session創建一個郵件消息
        Message mailMessage = new MimeMessage(sendMailSession);

        // 設置發送人
        mailMessage.setFrom(new InternetAddress(mailInfo.getFromAddress()));

        // 設置收件人
        String[] toAddress = mailInfo.getToAddress();
        if(toAddress == null || toAddress.length < 1){
            throw new RuntimeException("收件人不得爲空！");
        }
        for (int i = 0; i < toAddress.length; i++) {
            mailMessage.addRecipient(Message.RecipientType.TO, new InternetAddress(toAddress[i]));
        }

        //設置抄送人
        String[] ccAddress = mailInfo.getCcAddress();
        if(ccAddress != null && ccAddress.length > 0){
            for (int i = 0; i < ccAddress.length; i++) {
                mailMessage.addRecipient(Message.RecipientType.CC, new InternetAddress(ccAddress[i]));
            }
        }

        // 設置郵件消息的主題
        mailMessage.setSubject(mailInfo.getTitle());
        // 設置郵件消息發送的時間
        mailMessage.setSentDate(new Date());
        // MiniMultipart類是一個容器類，包含MimeBodyPart類型的對象
        Multipart mainPart = new MimeMultipart();
        // 創建一個包含HTML內容的MimeBodyPart
        BodyPart html = new MimeBodyPart();
        // 設置HTML內容
        html.setContent(mailInfo.getContent(), "text/html; charset=GBK");
        mainPart.addBodyPart(html);

        // 添加附件
        addAttachment(mailInfo, mainPart);

        // 將MiniMultipart對象設置爲郵件內容
        mailMessage.setContent(mainPart);

        // 發送郵件
        Transport.send(mailMessage);
    }

    /*
     * 添加郵件附件,用本地的文件作爲附件
     */
    private static void addAttachment(MailSenderInfo mailInfo,Multipart mainPart) throws MessagingException, UnsupportedEncodingException{

           String[] attachFileNames = mailInfo.getAttachFileNames();
           if(attachFileNames != null && attachFileNames.length > 0){
            for (int i = 0; i < attachFileNames.length; i++) {
                MimeBodyPart mdp = new MimeBodyPart();

                // FileDataSource/DataHandler 會用到
                // activation-1.1.jar，jdk6中已經包含了該jar中內容，不再需要單獨下載
                // activation-1.1.jar
                FileDataSource fds = new FileDataSource(attachFileNames[i]);
                DataHandler dh = new DataHandler(fds);
                mdp.setDataHandler(dh);

                // 保持附件名稱與原文件名稱一致的寫法，MimeUtility.encodeText()可以解決中文附件亂碼。
                mdp.setFileName(MimeUtility.encodeText(fds.getName()));
                mainPart.addBodyPart(mdp);
            }
           }
    }
}
/**
 * MyAuthenticator bean
 */
class MyAuthenticator extends Authenticator{
      String userName=null;
      String password=null;

      public MyAuthenticator(){
      }
      public MyAuthenticator(String username, String password) {
        this.userName = username;
        this.password = password;
      }
      protected PasswordAuthentication getPasswordAuthentication(){
        return new PasswordAuthentication(userName, password);
      }
    }
/**
 * MailSenderInfo bean
 */
class MailSenderInfo {
    // 發送郵件的服務器的IP和端口
    private String mailServerHost;
    private String mailServerPort;;
    // 郵件發送者的地址
    private String fromAddress;
    //接收人地址
    private String[] toAddress;
    //抄送人地址
    private String[] ccAddress;
    // 登陸郵件發送服務器的用戶名和密碼
    private String userName;
    private String password;

    // 是否需要身份驗證
    private boolean validate = false;
    // 郵件主題
    private String title;
    // 郵件的文本內容
    private String content;

    // 郵件附件的文件名,含磁盤物理路徑，如D:\\Desktop\\index.html
    private String[] attachFileNames;

    /**
     *  獲得郵件會話屬性
     * @return Properties
     */
    public Properties getProperties() {
        Properties p = new Properties();
        p.put("mail.smtp.host", this.mailServerHost);
        p.put("mail.smtp.port", this.mailServerPort);
        p.put("mail.smtp.auth", validate ? "true" : "false");
        return p;
    }

    public String[] getCcAddress() {
        return ccAddress;
    }

    public void setCcAddress(String[] ccAddress) {
        this.ccAddress = ccAddress;
    }

    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 boolean isValidate() {
        return validate;
    }

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

    public String[] getAttachFileNames() {
        return attachFileNames;
    }

    public void setAttachFileNames(String[] fileNames) {
        this.attachFileNames = fileNames;
    }

    public String getFromAddress() {
        return fromAddress;
    }

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

    public String getPassword() {
        return password;
    }

    public void setPassword(String password) {
        this.password = password;
    }

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

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

    public String getUserName() {
        return userName;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getContent() {
        return content;
    }

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

 

使用

 

public static void main(String[] args) throws AddressException, UnsupportedEncodingException, MessagingException {

        MailSenderInfo mail = new MailSenderInfo();

        //設置附件
        mail.setAttachFileNames(new String[]{
                "D:\\Desktop\\首頁.jpg",
                "D:\\Desktop\\測試賬戶.java"
        });
        //設置抄送人
        mail.setCcAddress(new String[]{"[email protected]","[email protected]"});
        //設置正文
        mail.setContent("<h3>http://www.baidu.com</h3>");
        //設置發件郵箱
        mail.setFromAddress("[email protected]");
        //設置發件郵箱密碼
        mail.setPassword("123456");
        //設置郵件服務器
        mail.setMailServerHost("mail.XX.com");
        mail.setMailServerPort("25");
        //設置郵件主題
        mail.setTitle("我是主題");
        //設置收件人
        mail.setToAddress(new String[]{"[email protected]"});
        //設置用戶名
        mail.setUserName("33");
        mail.setValidate(true);
        MailSenderUtil.sendHtmlMailWithLocalAttach(mail);
    }