使用FileDataSource类发送带附件的邮件，,package cn.o

使用FileDataSource类发送带附件的邮件，,package cn.o

package cn.outofmemory.snippets.enterprise;import java.util.Date;import java.util.Properties;import javax.activation.DataHandler;import javax.activation.FileDataSource;import javax.mail.*;import javax.mail.internet.InternetAddress;import javax.mail.internet.MimeBodyPart;import javax.mail.internet.MimeMessage;import javax.mail.internet.MimeMultipart;public class SendFileViaEmail {    /*     * In this example we are using Gmail as our smtp server. This requires that     * you have a Google account. You may use any smtp server you     * want by changing the host properties     */    public static void main(String[] args) {        //the path of the file e.g. : "c:/Users/nikos7/Desktop/myFile.txt"        String file = "<FILE PATH>";        //destination email address        String to = "<DESTINATION EMAIL ADDRESS>";        //source email address        String from = "<YOUR EMAIL ADDRESS>";        //Your gmail password        String password = "<YOUR PASSWORD>";         String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";        //hostname of the machine that has smtp server        String host = "smtp.gmail.com";        //either turn on or turns off debugging during sending        boolean sessioDebug = true;        String messageText = "Sending a file with FileDataSource\n";        String messageSubject = "Sending a file using FileDataSource!";        // To use a smtp host other than Gmail, simply change the following properties        // according to the specifications of your host        // set the smtp host properties        Properties props = System.getProperties();        props.put("mail.smtp.host", host);        props.put("mail.transport.protocol.", "smtp");        props.put("mail.smtp.auth", "true");        props.put("mail.smtp.", "true");        props.put("mail.smtp.port", "465");        props.put("mail.smtp.socketFactory.fallback", "false");        props.put("mail.smtp.socketFactory.class", SSL_FACTORY);        Session mailSession = Session.getInstance(props, null);        mailSession.setDebug(sessioDebug);        try {            // create a message            MimeMessage message = new MimeMessage(mailSession);            //set message source            message.setFrom(new InternetAddress(from));            InternetAddress[] address = {new InternetAddress(to)};            //set message recipients            message.setRecipients(Message.RecipientType.TO, address);            message.setSubject(messageSubject);            // create and fill the first message part            MimeBodyPart messageBodyPart1 = new MimeBodyPart();            messageBodyPart1.setText(messageText);            // create the second message part            MimeBodyPart messageBodyPart2 = new MimeBodyPart();            // attach the file to the message            FileDataSource fdatasource = new FileDataSource(file);            messageBodyPart2.setDataHandler(new DataHandler(fdatasource));            messageBodyPart2.setFileName(fdatasource.getName());            // create the Multipart and add its parts to it            Multipart mpart = new MimeMultipart();            mpart.addBodyPart(messageBodyPart1);            mpart.addBodyPart(messageBodyPart2);            // add the Multipart to the message            message.setContent(mpart);            // set the Date: header            message.setSentDate(new Date());            // send the message            Transport transport = mailSession.getTransport("smtp");            transport.connect(host, from, password);            transport.sendMessage(message, message.getAllRecipients());        } catch (MessagingException mex) {            mex.printStackTrace();            Exception ex = null;            if ((ex = mex.getNextException()) != null) {                ex.printStackTrace();            }        }    }}