sendmail.java

javamail 通过改项目演示了用javamail发送邮件的类方法

package com.yc.mail;

import java.io.IOException;
import java.util.Date;
import java.util.Enumeration;
import java.util.Properties;
import java.util.Vector;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.AuthenticationFailedException;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

public class SendMail {
	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.LU_MAIL_USER,
						MailAuthenticator.LU_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

	{

		SendMail sm = new SendMail();
		sm.setSMTPHost("smtp.163.com");
		sm.setMailFrom("[e-mail]");
		sm.setMailTo("[e-mail]");
		sm.setMsgContent("fa送");
		sm.setSubject("表提");
		sm.sendMail();

	}
}