周末看传智播客发邮件视频中的源码

package cn.itcast.javamail2;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.Message.RecipientType;
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;
import javax.mail.internet.MimeUtility;




import sun.misc.BASE64Encoder;

public class Base64Util {

	/**
	 * @param args add by zxx ,Dec 30, 2008
	 * @throws IOException 
	 */
	public static void main(String[] args) throws IOException {
		// TODO Auto-generated method stub
		BASE64Encoder encoder = new BASE64Encoder();
		System.out.println("please input user name:");
		String username = new BufferedReader(
					new InputStreamReader(System.in))
					.readLine();
		System.out.println(encoder.encode(username.getBytes()));
		System.out.println("please input password:");
		String password = new BufferedReader(
				new InputStreamReader(System.in))
				.readLine();		
		System.out.println(encoder.encode(password.getBytes()));
	}
	

}

  2：

package cn.itcast.javamail2;

import java.util.Properties;

import javax.mail.Address;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class Demo1 {

	/**
	 * @param args add by zxx ,Feb 5, 2009
	 */
	public static void main(String[] args) throws Exception{
		// TODO Auto-generated method stub
		Properties props = new Properties();
		props.setProperty("mail.smtp.auth", "true");
		props.setProperty("mail.transport.protocol", "smtp");
		Session session = Session.getInstance(props);
		session.setDebug(true);
		
		Message msg = new MimeMessage(session);
		msg.setText("你好吗？");
		msg.setFrom(new InternetAddress("[email protected]"));
	
		Transport transport = session.getTransport();
		transport.connect("smtp.sina.com", 25, "itcast_test", "123456");
		transport.sendMessage(msg,
				new Address[]{new InternetAddress("[email protected]")});

		//transport.send(msg,new Address[]{new InternetAddress("[email protected]")});
		transport.close();
	}

}

 3：

package cn.itcast.javamail2;

import java.io.FileInputStream;
import java.util.Properties;

import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.Message.RecipientType;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class Demo2 {

	/**
	 * @param args add by zxx ,Feb 5, 2009
	 */
	public static void main(String[] args) throws Exception{
		// TODO Auto-generated method stub
		
		Properties props = new Properties();
		props.setProperty("mail.smtp.auth", "true");
		props.setProperty("mail.transport.protocol", "smtp");
		props.setProperty("mail.host", "smtp.sina.com");
		Session session = Session.getInstance(props,
				new Authenticator()
				{
					protected PasswordAuthentication getPasswordAuthentication()
					{
						return new PasswordAuthentication("itcast_test","123456");
					}
				}
		);
		session.setDebug(true);
		
		/*Message msg = new MimeMessage(session);
		msg.setFrom(new InternetAddress("[email protected]"));
		msg.setSubject("中文主题");
		msg.setRecipients(RecipientType.TO, 
				InternetAddress.parse("[email protected],[email protected]"));
		msg.setContent("<span style='color:red'>中文呵呵呵</span>", "text/html;charset=gbk");
		
		
		Transport.send(msg);*/
		
		Message msg = new MimeMessage(session,new FileInputStream("resouce\\demo3.eml"));
		Transport.send(msg,InternetAddress.parse("[email protected]"));
	}

}

 4：

package cn.itcast.javamail2;

import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.Session;
import javax.mail.Message.RecipientType;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;

public class Demo3 {

	/**
	 * @param args add by zxx ,Feb 5, 2009
	 */
	public static void main(String[] args) throws Exception{
		// TODO Auto-generated method stub
		Session session = Session.getInstance(new Properties());
		MimeMessage msg = new MimeMessage(session);
		msg.setFrom(new InternetAddress("\"" + MimeUtility.encodeText("传智播客") + "\" <[email protected]>"));
		msg.setSubject("你们的Java培训真的是最牛的吗？");		
		msg.setReplyTo(new Address[]{new InternetAddress("[email protected]")});
		msg.setRecipients(RecipientType.TO,InternetAddress.parse(MimeUtility.encodeText("黎活明") + " <[email protected]>," + MimeUtility.encodeText("张孝祥") + " <[email protected]>"));
		MimeMultipart msgMultipart = new MimeMultipart("mixed");
		msg.setContent(msgMultipart);

		MimeBodyPart attch1 = new MimeBodyPart();		
		MimeBodyPart attch2 = new MimeBodyPart();		
		MimeBodyPart content = new MimeBodyPart();
		msgMultipart.addBodyPart(attch1);		
		msgMultipart.addBodyPart(attch2);		
		msgMultipart.addBodyPart(content);

		DataSource ds1 = new FileDataSource(
				"resource\\Java培训.txt"	
			);
		DataHandler dh1 = new DataHandler(ds1 );
		attch1.setDataHandler(dh1);
		attch1.setFileName(
				MimeUtility.encodeText("java培训.txt")
				);
		
		DataSource ds2 = new FileDataSource(
				"resource\\slogo.gif"		
			);
		DataHandler dh2 = new DataHandler(ds2 );
		attch2.setDataHandler(dh2);		
		attch2.setFileName("slogo.gif");
		
		MimeMultipart bodyMultipart = new MimeMultipart("related");
		content.setContent(bodyMultipart);
		MimeBodyPart htmlPart = new MimeBodyPart();		
		MimeBodyPart gifPart = new MimeBodyPart();		
		bodyMultipart.addBodyPart(htmlPart);
		bodyMultipart.addBodyPart(gifPart);		

		DataSource gifds = new FileDataSource(
				"resource\\logo.gif"	
			);
		DataHandler gifdh = new DataHandler(gifds);		
		gifPart.setDataHandler(gifdh);
		gifPart.setHeader("Content-Location", "http://www.itcast.cn/logo.gif");
		
		htmlPart.setContent("你们的Java培训真的是最牛的吗？大家都这么说,我想跟你们比试一下！这可是我自己用程序生成和发送的邮件哦！<img src='http://www.itcast.cn/logo.gif'>"
					, "text/html;charset=gbk");
		
		msg.saveChanges();
		
		OutputStream ips = new FileOutputStream("resource\\demo3.eml");
		msg.writeTo(ips);
		ips.close();
		
		
	}

}

 5：

package cn.itcast.javamail3.web.mail.servlets;

import java.io.IOException;
import java.io.PrintWriter;

import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.itcast.javamail2.Demo2;

public class SendMailServlet extends HttpServlet {

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		try {
			//Demo2.main(new String[]{});
			
			Context initCtx = new InitialContext();
			Context envCtx = (Context) initCtx.lookup("java:comp/env");
			Session session = (Session) envCtx.lookup("mail/Dog");

			Message message = new MimeMessage(session);
			message.setFrom(new InternetAddress("[email protected]"));
			InternetAddress to[] = new InternetAddress[1];
			to[0] = new InternetAddress("[email protected]");
			message.setRecipients(Message.RecipientType.TO, to);
			message.setSubject("ha");
			message.setText("test");
			//Transport.send(message);
			Transport transport = session.getTransport();
			transport.connect("smtp.sina.com", "itcast_test", "123456");
			transport.sendMessage(message, to);
			transport.close();
			response.getWriter().print("ok!");
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace(response.getWriter());
		}
	}

}

 保存下来，以后需要用到的时候查一下。。。