mailsender.java

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                for (int i = 0; i < arrayList1.size(); i++) {
                    messageBodyPart = new MimeBodyPart();
                    DataSource source = new FileDataSource((String) arrayList1.get(i));
                    messageBodyPart.setDataHandler(new DataHandler(source));
                    String contentId = "<" + (String) arrayList2.get(i) + ">";
                    messageBodyPart.setHeader("Content-ID", contentId);
                    messageBodyPart.setFileName((String) arrayList1.get(i));
                    multipart.addBodyPart(messageBodyPart);
                }
            }

            //处理要发送的html文件，主要是针对html文件中的图片
            private String getContent(String mailContent) {
                try {
                	Parser parser = new Parser();
                	parser.setInputHTML(new String(mailContent.getBytes(), ISO8859_1));
                    //Parser parser = Parser.createParser(new String(mailContent.getBytes(), ISO8859_1));
                    Node[] images = parser.extractAllNodesThatMatch(HtmlNodeFilters.imageFilter).toNodeArray();
                    for(int i=0;i<images.length;i++) {
                        ImageTag imgTag = (ImageTag) images[i];
                        if(!imgTag.getImageURL().toLowerCase().startsWith("http://"))
                            arrayList1.add(imgTag.getImageURL());
                    }
                } catch (UnsupportedEncodingException e1) {
                } catch (ParserException e) {}
                String afterReplaceStr = mailContent;
                //在html文件中用"cid:"+Content-ID来替换原来的图片链接
                for (int m = 0; m < arrayList1.size(); m++) {
                    arrayList2.add(createRandomStr());
                    String addString = "cid:" + (String) arrayList2.get(m);
                    afterReplaceStr = mailContent.replaceAll(
                            (String) arrayList1.get(m), addString);
                }
                return afterReplaceStr;
            }

            //产生一个随机字符串，为了给图片设定Content-ID值
            private String createRandomStr() {
                char[] randomChar = new char[8];
                for (int i = 0; i < 8; i++) {
                    randomChar[i] = (char) (Math.random() * 26 + 'a');
                }
                String replaceStr = new String(randomChar);
                return replaceStr;
            }
            private final static String CONTENT_TYPE = "text/html;charset=GB2312";
            private final static String ISO8859_1 = "8859_1";  
        };
    }
    /**
     * 用于实现邮件发送用户验证
     * @see javax.mail.Authenticator#getPasswordAuthentication
     */
    protected PasswordAuthentication getPasswordAuthentication() {
        return new PasswordAuthentication(username, userpasswd);
    }
    
    /**
     * 设置邮件标题
     * @param mailSubject
     * @throws MessagingException
     */
    public void setSubject(String mailSubject) throws MessagingException {
        mailMessage.setSubject(mailSubject);
    }

    /**
     * 所有子类都需要实现的抽象方法，为了支持不同的邮件类型
     * @param mailContent
     * @throws MessagingException
     */
    public abstract void setMailContent(String mailContent) throws MessagingException;

    /**
     * 设置邮件发送日期
     * @param sendDate
     * @throws MessagingException
     */
    public void setSendDate(Date sendDate) throws MessagingException {
        mailMessage.setSentDate(sendDate);
    }

    /**
     * 设置邮件发送附件
     * @param attachmentName
     * @throws MessagingException
     */
    public void setAttachments(String attachmentName) throws MessagingException {
        messageBodyPart = new MimeBodyPart();
        DataSource source = new FileDataSource(attachmentName);
        messageBodyPart.setDataHandler(new DataHandler(source));
        int index = attachmentName.lastIndexOf(File.separator);
        String attachmentRealName = attachmentName.substring(index + 1);
        messageBodyPart.setFileName(attachmentRealName);
        multipart.addBodyPart(messageBodyPart);
    }

    /**
     * 设置发件人地址
     * @param mailFrom
     * @throws MessagingException
     * @throws UnsupportedEncodingException
     */
    public void setMailFrom(String mailFrom, String sender) throws UnsupportedEncodingException, MessagingException {
    	if(sender!=null)
    		mailMessage.setFrom(new InternetAddress(mailFrom, sender));
    	else
    		mailMessage.setFrom(new InternetAddress(mailFrom));
    }

    /**
     * 设置收件人地址，收件人类型为to,cc,bcc(大小写不限)
     * @param mailTo   邮件接收者地址
     * @param mailType 值为to,cc,bcc
     * @author Liudong
     */
    public void setMailTo(String[] mailTo, String mailType) throws Exception {
        for (int i = 0; i < mailTo.length; i++) {
            mailToAddress = new InternetAddress(mailTo[i]);
            if (mailType.equalsIgnoreCase("to")) {
                mailMessage.addRecipient(Message.RecipientType.TO,mailToAddress);
            } else if (mailType.equalsIgnoreCase("cc")) {
                mailMessage.addRecipient(Message.RecipientType.CC,mailToAddress);
            } else if (mailType.equalsIgnoreCase("bcc")) {
                mailMessage.addRecipient(Message.RecipientType.BCC,mailToAddress);
            } else {
                throw new Exception("Unknown mailType: " + mailType + "!");
            }
        }
    }
    /**
     * 开始发送邮件
     * @throws MessagingException
     * @throws SendFailedException
     */
    public void sendMail() throws MessagingException, SendFailedException {
        if (mailToAddress == null)
            throw new MessagingException("The recipient is required.");
        mailMessage.setContent(multipart);
        Transport.send(mailMessage);
    }
    
    public MimeMessage getMimeMessage() throws MessagingException{
        if (mailToAddress == null)
            throw new MessagingException("The recipient is required.");
        mailMessage.setContent(multipart);
        return mailMessage;
    }
    
    /**
     * 邮件发送测试
     * @param args
     */
    public static void main(String args[]) {
        String mailHost = "smtp.163.com";	//发送邮件服务器地址
        String mailUser = "user1";			//发送邮件服务器的用户帐号
        String mailPassword = "password1";	//发送邮件服务器的用户密码
        String[] toAddress = {"[e-mail]"};
        //使用超文本格式发送邮件
        MailSender sendmail = MailSender.getHtmlMailSender(mailHost, mailUser,mailPassword);
        //使用纯文本格式发送邮件
        //MailSender sendmail = MailSender.getTextMailSender(mailHost, mailUser,mailPassword);
        try {
            sendmail.setSubject("邮件发送测试");
            sendmail.setSendDate(new Date());
            String content = "<H1>你好,中国</H1><img src=\"http://www.javayou.com/images/logo.gif\">";
            //请注意如果是本地图片比如使用斜杠作为目录分隔符,如下所示
            content+="<img src=\"D:/EclipseM7/workspace/JDlog/dlog/images/rss200.png\"/>";
            sendmail.setMailContent(content); //
            sendmail.setAttachments("E:\\TOOLS\\pm_sn.txt");
            sendmail.setMailFrom("[e-mail]","发送者");
            sendmail.setMailTo(toAddress, "to");
            //sendmail.setMailTo(toAddress, "cc");//设置抄送给...
            //开始发送邮件
            System.out.println("正在发送邮件，请稍候.......");
            sendmail.sendMail();
            System.out.println("恭喜你，邮件已经成功发送!");
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }
    

}