JavaMail 深入浅出

import javax.mail.*;

  
public class MailAuthenticator extends Authenticator

{

    //******************************

    //由于发送邮件的地方比较多,

    //下面统一定义用户名,口令.

    //******************************

    public static String HUAWEI_MAIL_USER = "it5719@163.com";

    public static String HUAWEI_MAIL_PASSWORD = "密码";

  

  

    public MailAuthenticator()

    {

    }

  

    protected PasswordAuthentication getPasswordAuthentication()

    {

        return new PasswordAuthentication(HUAWEI_MAIL_USER, HUAWEI_MAIL_PASSWORD);

    }

  

}

  

这个类是发送邮件的类.

  

  

package com.deepdo.common.mail;

  

/**

* 此处插入类型说明。

* 创建日期：(2006-4-21 14:57:16)

* @author：张宏亮

*/

  

import java.util.*;

import java.io.*;

import javax.mail.*;

import javax.mail.internet.*;

import javax.activation.*;

  

  

public class SendMail {

  

    //要发送Mail地址

    private String mailTo = null;

    //Mail发送的起始地址

    private String mailFrom = null;

    //SMTP主机地址

    private String smtpHost = null;

    //是否采用调试方式

    private boolean debug = false;

  

    private String messageBasePath = null;

    //Mail主题

    private String subject;

    //Mail内容

    private String msgContent;

  

    private Vector attachedFileList;

    private String mailAccount = null;

    private String mailPass = null;

    private String messageContentMimeType ="text/html; charset=gb2312";

  

    private String mailbccTo = null;

    private String mailccTo = null;

    /**

     * SendMailService 构造子注解。

     */

    public SendMail() {

        super();

    

    }

  

    private void fillMail(Session session,MimeMessage msg) throws IOException, MessagingException{

    

        String fileName = null;

        Multipart mPart = new MimeMultipart();

        if (mailFrom != null) {

            msg.setFrom(new InternetAddress(mailFrom));

            System.out.println("发送人Mail地址："+mailFrom);

        } else {

            System.out.println("没有指定发送人邮件地址！");

            return;

        }

        if (mailTo != null) {

            InternetAddress[] address = InternetAddress.parse(mailTo);

            msg.setRecipients(Message.RecipientType.TO, address);

            System.out.println("收件人Mail地址："+mailTo);

        } else {

            System.out.println("没有指定收件人邮件地址！");

            return;

        }

    

        if (mailccTo != null) {

            InternetAddress[] ccaddress = InternetAddress.parse(mailccTo);

            System.out.println("CCMail地址："+mailccTo);

            msg.setRecipients(Message.RecipientType.CC, ccaddress);

        }

        if (mailbccTo != null) {

            InternetAddress[] bccaddress = InternetAddress.parse(mailbccTo);

            System.out.println("BCCMail地址："+mailbccTo);

            msg.setRecipients(Message.RecipientType.BCC, bccaddress);

        }

        msg.setSubject(subject);

        InternetAddress[] replyAddress = { new InternetAddress(mailFrom)};

        msg.setReplyTo(replyAddress);

        // create and fill the first message part

        MimeBodyPart mBodyContent = new MimeBodyPart();

        if (msgContent != null)

            mBodyContent.setContent(msgContent, messageContentMimeType);

        else

            mBodyContent.setContent("", messageContentMimeType);

        mPart.addBodyPart(mBodyContent);

        // attach the file to the message

        if (attachedFileList != null) {

            for (Enumeration fileList = attachedFileList.elements(); fileList.hasMoreElements();) {

                fileName = (String) fileList.nextElement();

                MimeBodyPart mBodyPart = new MimeBodyPart();

    

                // attach the file to the message

                FileDataSource fds = new FileDataSource(messageBasePath + fileName);

                System.out.println("Mail发送的附件为："+messageBasePath + fileName);

                mBodyPart.setDataHandler(new DataHandler(fds));

                mBodyPart.setFileName(fileName);

                mPart.addBodyPart(mBodyPart);

            }

        }

        msg.setContent(mPart);

        msg.setSentDate(new Date());

    }

    /**

     * 此处插入方法说明。

     */

    public void init()

    {

    

    }

    /**

     * 发送e_mail，返回类型为int

     * 当返回值为0时，说明邮件发送成功

     * 当返回值为3时，说明邮件发送失败

     */

    public int sendMail() throws IOException, MessagingException {

    

        int loopCount;

        Properties props = System.getProperties();

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

        props.put("mail.smtp.auth", "true");

    

        MailAuthenticator auth = new MailAuthenticator();

    

        Session session = Session.getInstance(props, auth);

        session.setDebug(debug);

        MimeMessage msg = new MimeMessage(session);

        Transport trans = null;

        try {

    

            fillMail(session,msg);

            // send the message

            trans = session.getTransport("smtp");

            try {

                trans.connect(smtpHost, MailAuthenticator.HUAWEI_MAIL_USER, MailAuthenticator.HUAWEI_MAIL_PASSWORD);//, HUAWEI_MAIL_PASSWORD);

            } catch (AuthenticationFailedException e) {

                e.printStackTrace();

                System.out.println("连接邮件服务器错误：");

                return 3;

            } catch (MessagingException e) {

                System.out.println("连接邮件服务器错误：");

                return 3;

            }

    

            trans.send(msg);

            trans.close();

    

        } catch (MessagingException mex) {

            System.out.println("发送邮件失败：");

            mex.printStackTrace();

            Exception ex = null;

            if ((ex = mex.getNextException()) != null) {

                System.out.println(ex.toString());

                ex.printStackTrace();

            }

            return 3;

        } finally {

            try {

                if (trans != null && trans.isConnected())

                    trans.close();

            } catch (Exception e) {

                System.out.println(e.toString());

            }

        }

        System.out.println("发送邮件成功！");

        return 0;

    }

    public void setAttachedFileList(java.util.Vector filelist)

    {

        attachedFileList = filelist;

    }

    public void setDebug(boolean debugFlag)

    {

        debug=debugFlag;

    }

    public void setMailAccount(String strAccount) {

        mailAccount = strAccount;

    }

    public void setMailbccTo(String bccto) {

        mailbccTo = bccto;

    }

    public void setMailccTo(String ccto) {

        mailccTo = ccto;

    }

    public void setMailFrom(String from)

    {

        mailFrom=from;

    }

    public void setMailPass(String strMailPass) {

        mailPass = strMailPass;

    }

    public void setMailTo(String to)

    {

        mailTo=to;

    }

    public void setMessageBasePath(String basePath)

    {

        messageBasePath=basePath;

    }

    public void setMessageContentMimeType(String mimeType)

    {

        messageContentMimeType = mimeType;

    }

    public void setMsgContent(String content)

    {

        msgContent=content;

    }

    public void setSMTPHost(String host)

    {

        smtpHost=host;

    }

    public void setSubject(String sub)

    {

        subject=sub;

    }

    

    public static void main(String[] argv) throws Exception

    {

        for(int i = 0;i<10;i++) {

        SendMail sm = new SendMail();

        sm.setSMTPHost("SMTP地址");

        sm.setMailFrom("发送地址");

        sm.setMailTo("目标地址");

        sm.setMsgContent("内容");

        sm.setSubject("标题");

        sm.sendMail();

        }

    }

}