发送电子邮件给收件人

//package com.nowjava;

import java.io.BufferedReader;

import java.io.FileReader;/*n o w j a v a . c o m - 时  代  Java*/

import java.io.IOException;

import java.util.Properties;

import javax.activation.DataHandler;

import javax.activation.DataSource;

import javax.activation.FileDataSource;

import javax.mail.Address;

import javax.mail.Message;

import javax.mail.Multipart;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;
/*
N o w J a v a . c o m - 时  代  Java 提供
*/

import javax.mail.internet.MimeBodyPart;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMultipart;


public class Main {

    private static final String SMTP_HOST = "smtp.mail.yahoo.com";


    /**

     * 

     * Send email to a recipient 

     * 

     * @param subject

     * @param from

     * @param toRecipients

     * @param contentFileName

     * @param attachmentFileLocation

     * @param attachmentFileNameInMail

     */


    @SuppressWarnings("unused")

    private static void sendMail(String subject, String from,

            String[] toRecipients, String contentFileName,

            String attachmentFileLocation, String attachmentFileNameInMail) {

        Properties props = new Properties();

        props.put("mail.smtp.host", SMTP_HOST);

        Session session = Session.getDefaultInstance(props);

        BufferedReader reader = null;

        try {

            MimeMessage emailMessage = new MimeMessage(session);

            emailMessage.setFrom(new InternetAddress(from));

            Address[] addresses = new InternetAddress[toRecipients.length];

            MimeBodyPart messageBodyPart = new MimeBodyPart();

            Multipart multipart = new MimeMultipart();


            for (int recipientCount = 0; recipientCount < toRecipients.length; recipientCount++) {

                addresses[recipientCount] = new InternetAddress(

                        toRecipients[recipientCount]);

            }

            emailMessage.setRecipients(Message.RecipientType.TO, addresses);

            emailMessage.setSubject(subject);


            if (contentFileName != null) {

                reader = new BufferedReader(new FileReader(contentFileName));

                String line;

                String message = "";


                while ((line = reader.readLine()) != null) {

                    message += line;

                }

                MimeBodyPart part = new MimeBodyPart();

                part.setContent(message, "text/html; charset=utf-8");

                multipart.addBodyPart(part);

            }


            DataSource source;

            try {

                new FileReader(attachmentFileLocation);

                source = new FileDataSource(attachmentFileLocation);

            } catch (IOException err) {

                source = null;

            }


            if (source != null) {

                messageBodyPart.setDataHandler(new DataHandler(source));

                messageBodyPart.setFileName(attachmentFileNameInMail);