EmailSender.java

package com.youzi.zhidu.feedback;

import java.io.File;
import java.util.Date;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

public class EmailSender {
	private Properties properties;
	private Session session;
	private Message message;
	private MimeMultipart multipart;

	public EmailSender() {
		super();
		this.properties = new Properties();
	}

	public void setProperties(String host, String post) {
		// ��ַ
		this.properties.put("mail.smtp.host", host);
		// �˿ں�
		this.properties.put("mail.smtp.post", post);
		// �Ƿ���֤
		this.properties.put("mail.smtp.auth", true);
		this.session = Session.getInstance(properties);
		this.message = new MimeMessage(session);
		this.multipart = new MimeMultipart("mixed");
	}

	/**
	 * �����ռ���
	 * 
	 * @param receiver
	 * @throws MessagingException
	 */
	public void setReceiver(String[] receiver) throws MessagingException {
		Address[] address = new InternetAddress[receiver.length];
		for (int i = 0; i < receiver.length; i++) {
			address[i] = new InternetAddress(receiver[i]);
		}
		this.message.setRecipients(Message.RecipientType.TO, address);
	}

	/**
	 * �����ʼ�
	 * 
	 * @param from
	 *            ��Դ
	 * @param title
	 *            ����
	 * @param content
	 *            ����
	 * @throws AddressException
	 * @throws MessagingException
	 */
	public void setMessage(String from, String title, String content)
			throws AddressException,

			MessagingException {
		this.message.setFrom(new InternetAddress(from));
		this.message.setSubject(title);
		// ���ı��Ļ���setText()���У������и�������ʾ������������
		MimeBodyPart textBody = new MimeBodyPart();
		textBody.setContent(content, "text/html;charset=gbk");
		this.multipart.addBodyPart(textBody);
	}

	/**
	 * ��Ӹ���
	 * 
	 * @param filePath
	 *            �ļ�·��
	 * @throws MessagingException
	 */
	public void addAttachment(String filePath) throws MessagingException {
		FileDataSource fileDataSource = new FileDataSource(new File(filePath));
		DataHandler dataHandler = new DataHandler(fileDataSource);
		MimeBodyPart mimeBodyPart = new MimeBodyPart();
		mimeBodyPart.setDataHandler(dataHandler);
		mimeBodyPart.setFileName(fileDataSource.getName());
		this.multipart.addBodyPart(mimeBodyPart);
	}

	/**
	 * �����ʼ�
	 * 
	 * @param host
	 *            ��ַ
	 * @param account
	 *            �˻���
	 * @param pwd
	 *            ����
	 * @throws MessagingException
	 */
	public void sendEmail(String host, String account, String pwd)
			throws MessagingException {
		// ����ʱ��
		this.message.setSentDate(new Date());
		// ���͵����ݣ��ı��͸���
		this.message.setContent(this.multipart);
		this.message.saveChanges();
		// �����ʼ����Ͷ��󣬲�ָ����ʹ��SMTPЭ�鷢���ʼ�
		Transport transport = session.getTransport("smtp");
		// ��¼����
		transport.connect(host, account, pwd);
		// �����ʼ�
		transport.sendMessage(message, message.getAllRecipients());
		// �ر�����
		transport.close();
	}
}