发邮件的JAVA程序

以下是一个邮件发HTML的例子,供大家写发邮件参考.

功能是发送UL地址的HTML到邮件.其中的图片会随同邮件一同发给和户.

package com.fswan.memo;

import java.io.IOException;

import java.io.InputStream;

import java.net.MalformedURLException;

import java.net.URL;

import java.text.SimpleDateFormat;

import java.util.ArrayList;

import java.util.Date;

import java.util.Properties;

import java.util.regex.Matcher;

import java.util.regex.Pattern;

import javax.activation.DataHandler;

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.internet.InternetAddress;

import javax.mail.internet.MimeBodyPart;

import javax.mail.internet.MimeMessage;

import javax.mail.internet.MimeMultipart;

/**

* @author swan Fong(方志文)

*

*/

public class TestMail

{

public static final String ul = "http://www.qxzw.com/htmpage/0/14/123.htm" ;

public static void main(String[] args)

{

try

{

URL url = new URL(ul);

// InputStream ins = url.openStream();

sendMail(url,"newsbot@yeah.net","smtp.yeah.net");

} catch (MalformedURLException e)

{

e.printStackTrace();

}

}

public static void sendMail(URL url,String mail,String smtpServer)

{

System.out.println("send");

MimeMultipart mp = new MimeMultipart();

String idStr = new SimpleDateFormat("hhmmsss").format(new Date());

System.out.println(idStr);

try

{

InputStream ins = url.openStream();

StringBuffer sb = new StringBuffer();

byte[] conts = new byte[10240];

int len = ins.read(conts);

while (len > 0)

{

sb.append(new String(conts,0,len));

// System.out.println(new String(conts));

// conts = new byte[10240];

len = ins.read(conts);

}

String con = sb.toString();

String con2 = sb.toString();

sb = new StringBuffer();

String regex = "<img .*src=\"?([^\">]*)\"?.*/?\\s*>";

Pattern p = Pattern.compile(regex);

Matcher m = p.matcher(con);

ArrayList _mailAttachment = new ArrayList();

int lastPos = 0;

while (m.find())

{

sb.append(con.substring(lastPos, m.start()));

sb.append(m.group().replaceAll(m.group(1), "cid:" + idStr + _mailAttachment.size()));

_mailAttachment.add(new URL(url, m.group(1)));

lastPos = m.end();

}

sb.append(con.substring(lastPos, con.length()));

MimeBodyPart mbp2 = new MimeBodyPart();

mbp2.setContent(sb.toString(),"text/html; charset=GB2312");

mp.addBodyPart(mbp2);

for (int i = 0; i < _mailAttachment.size(); i++)

{

MimeBodyPart mbp = new MimeBodyPart();

mbp.setDataHandler(new DataHandler((URL)_mailAttachment.get(i)));

mbp.setHeader("Content-ID",idStr+i);

mp.addBodyPart(mbp);

}

Properties prop = new Properties();

prop.put("mail.smtp.host", smtpServer);

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

Session s = Session.getInstance(prop, new Authenticator(){

public PasswordAuthentication getPasswordAuthentication()

{

return new PasswordAuthentication("newsbot@yeah.net", "fswan123");

}

});

MimeMessage message = new MimeMessage(s);

message.setSubject("mail");

message.setFrom(new InternetAddress(mail));

message.setRecipient(Message.RecipientType.TO, new InternetAddress(mail));

message.setContent(mp);

Transport.send(message);

} catch (MalformedURLException e)

{

e.printStackTrace();

} catch (IOException e)

{

e.printStackTrace();

} catch (MessagingException e)

{

e.printStackTrace();

}

System.out.println("Finished");

}

}