发邮件的JAVA程序介绍

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");
}
}