发HTML邮件

http://blog.csdn.net/zhanngle/archive/2008/01/10/2033416.aspx---这个好像行不通...

另外一个:http://blog.csdn.net/sunyujia/archive/2008/06/10/2528696.aspx

import java.io.ByteArrayInputStream;   
import java.io.ByteArrayOutputStream;   
import java.io.FileInputStream;   
import java.io.IOException;   
import java.io.InputStream;   
import java.io.OutputStream;   
import java.util.Arrays;   
import java.util.Date;   
import java.util.Properties;   
  
import javax.activation.DataHandler;   
import javax.activation.DataSource;   
import javax.activation.FileDataSource;   
import javax.mail.Authenticator;   
import javax.mail.BodyPart;   
import javax.mail.Message;   
import javax.mail.Multipart;   
import javax.mail.PasswordAuthentication;   
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;   
  
  
/**  
 * <P>  
 * Title:用java发送邮件的例子  
 * </P>  
 *   
 * <P>  
 * Description:发送图片附件并在html中使用该图片  
 * </P>  
 *   
 * <P>  
 * Copyright: Copyright (c) 2007  
 * </P>  
 *   
 * @author 孙钰佳   
 * @blog http://blog.csdn.net/sunyujia/  
 * @main [e-mail]  
 * @date Jun 10, 2008 12:35:26 AM  
 */  
public class SendMail {   
    private static String username = "xxxx";   
    private static String password = "xxxx";   
    private static String smtpServer = "smtp.163.com";   
    private static String fromMailAddress = "[e-mail]";   
    private static String toMailAddress = "[e-mail]";   
  
    public static void main(String[] args) throws Exception {   
        Properties props = new Properties();   
        props.put("mail.smtp.auth", "true");   
        props.put("mail.smtp.host", smtpServer);   
        // 获得邮件会话对象   
        Session session = Session.getDefaultInstance(props,   
                new SmtpAuthenticator(username, password));   
        /** *************************************************** */  
        // 创建MIME邮件对象   
        MimeMessage mimeMessage = new MimeMessage(session);   
        mimeMessage.setFrom(new InternetAddress(fromMailAddress));// 发件人   
        mimeMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(   
                toMailAddress));// 收件人   
        mimeMessage.setSubject("主题");   
        mimeMessage.setSentDate(new Date());// 发送日期   
        Multipart mp = new MimeMultipart("related");// related意味着可以发送html格式的邮件   
        /** *************************************************** */  
        BodyPart bodyPart = new MimeBodyPart();// 正文   
        bodyPart.setDataHandler(new DataHandler("测<img src=\"cid:IMG1\" />试",   
                "text/html;charset=GBK"));// 网页格式   
        /** *************************************************** */  
        BodyPart attachBodyPart = new MimeBodyPart();// 普通附件   
        FileDataSource fds = new FileDataSource("c:/boot.ini");   
        attachBodyPart.setDataHandler(new DataHandler(fds));   
        attachBodyPart.setFileName("=?GBK?B?"  
                + new sun.misc.BASE64Encoder().encode(fds.getName().getBytes())   
                + "?=");// 解决附件名中文乱码   
        mp.addBodyPart(attachBodyPart);   
        /** *************************************************** */  
        MimeBodyPart imgBodyPart = new MimeBodyPart(); // 附件图标   
        byte[] bytes = readFile("C:/button.gif");   
        ByteArrayDataSource fileds = new ByteArrayDataSource(bytes,   
                "application/octet-stream");   
        imgBodyPart.setDataHandler(new DataHandler(fileds));   
        imgBodyPart.setFileName("button.gif");   
        imgBodyPart.setHeader("Content-ID", "<IMG1></IMG1>");// 在html中使用该图片方法src="cid:IMG1"   
        mp.addBodyPart(imgBodyPart);   
        /** *************************************************** */  
        mp.addBodyPart(bodyPart);   
        mimeMessage.setContent(mp);// 设置邮件内容对象   
        Transport.send(mimeMessage);// 发送邮件   
  
    }   
  
    /**  
     * 读取文件  
     *   
     * @param file  
     *            文件路径  
     * @return 返回二进制数组  
     */  
    public static byte[] readFile(String file) {   
        FileInputStream fis = null;   
        ByteArrayOutputStream bos = null;   
        try {   
            fis = new FileInputStream(file);   
            bos = new ByteArrayOutputStream();   
            int bytesRead;   
            byte buffer[] = new byte[1024 * 1024];   
            while ((bytesRead = fis.read(buffer)) != -1) {   
                bos.write(buffer, 0, bytesRead);   
                Arrays.fill(buffer, (byte) 0);   
            }   
        } catch (IOException e1) {   
            e1.printStackTrace();   
        } finally {   
            try {   
                if (bos != null)   
                    bos.close();   
            } catch (IOException e) {   
                e.printStackTrace();   
            }   
        }   
        return bos.toByteArray();   
    }   
}   
  
/**  
 * Smtp认证  
 */  
class SmtpAuthenticator extends Authenticator {   
    String username = null;   
    String password = null;   
  
    // SMTP身份验证   
    public SmtpAuthenticator(String username, String password) {   
        this.username = username;   
        this.password = password;   
    }   
  
    public PasswordAuthentication getPasswordAuthentication() {   
        return new PasswordAuthentication(this.username, this.password);   
    }   
  
}   
class ByteArrayDataSource implements DataSource {   
  
    private final String contentType;   
    private final byte[] buf;   
    private final int len;   
  
    public ByteArrayDataSource(byte[] buf, String contentType) {   
        this(buf, buf.length, contentType);   
    }   
  
    public ByteArrayDataSource(byte[] buf, int length, String contentType) {   
        this.buf = buf;   
        this.len = length;   
        this.contentType = contentType;   
    }   
  
    public String getContentType() {   
        if (contentType == null)   
            return "application/octet-stream";   
        return contentType;   
    }   
  
    public InputStream getInputStream() {   
        return new ByteArrayInputStream(buf, 0, len);   
    }   
  
    public String getName() {   
        return null;   
    }   
  
    public OutputStream getOutputStream() {   
        throw new UnsupportedOperationException();   
    }   
}  

我用时的精简版,图片只是用互联网上的一个图片,不要附件

public class SendMail {   
    private static String username = "xxxx";   
    private static String password = "xxxx";   
    private static String smtpServer = "smtp.163.com";   
    private static String fromMailAddress = "[e-mail]";   
    private static String toMailAddress = "[e-mail]";   
  
    public static void main(String[] args) throws Exception {   
        Properties props = new Properties();   
        props.put("mail.smtp.auth", "true");   
        props.put("mail.smtp.host", smtpServer);   
        // 获得邮件会话对象   
        Session session = Session.getDefaultInstance(props,   
                new SmtpAuthenticator(username, password));   
        /** *************************************************** */  
        // 创建MIME邮件对象   
        MimeMessage mimeMessage = new MimeMessage(session);   
        mimeMessage.setFrom(new InternetAddress(fromMailAddress));// 发件人   
        mimeMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(   
                toMailAddress));// 收件人   
        mimeMessage.setSubject("主题");   
        mimeMessage.setSentDate(new Date());// 发送日期   
        Multipart mp = new MimeMultipart("related");// related意味着可以发送html格式的邮件   
        /** *************************************************** */  
        BodyPart bodyPart = new MimeBodyPart();// 正文   
        bodyPart.setDataHandler(new DataHandler("测<img src=\"http://xxx.xxx.xxx/xx.jpg\" />试","text/html;charset=GBK"));// 网页格式  
        mp.addBodyPart(bodyPart);   
        mimeMessage.setContent(mp);// 设置邮件内容对象   
        Transport.send(mimeMessage);// 发送邮件   
  
    }   
  
    
/**  
 * Smtp认证  
 */  
class SmtpAuthenticator extends Authenticator {   
    String username = null;   
    String password = null;   
  
    // SMTP身份验证   
    public SmtpAuthenticator(String username, String password) {   
        this.username = username;   
        this.password = password;   
    }   
  
    public PasswordAuthentication getPasswordAuthentication() {   
        return new PasswordAuthentication(this.username, this.password);   
    }   
  
}   
class ByteArrayDataSource implements DataSource {   
  
    private final String contentType;   
    private final byte[] buf;   
    private final int len;   
  
    public ByteArrayDataSource(byte[] buf, String contentType) {   
        this(buf, buf.length, contentType);   
    }   
  
    public ByteArrayDataSource(byte[] buf, int length, String contentType) {   
        this.buf = buf;   
        this.len = length;   
        this.contentType = contentType;   
    }   
  
    public String getContentType() {   
        if (contentType == null)   
            return "application/octet-stream";   
        return contentType;   
    }   
  
    public InputStream getInputStream() {   
        return new ByteArrayInputStream(buf, 0, len);   
    }   
  
    public String getName() {   
        return null;   
    }   
  
    public OutputStream getOutputStream() {   
        throw new UnsupportedOperationException();   
    }   
}