java实现 邮件抄送，密送，多个附件 发送

import java.io.File;

import java.io.UnsupportedEncodingException;

import java.util.Date;

import java.util.Properties;

import javax.activation.DataHandler;

import javax.activation.FileDataSource;

import javax.mail.BodyPart;

import javax.mail.Message;

import javax.mail.MessagingException;

import javax.mail.Multipart;

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;

import javax.mail.internet.MimeUtility;

/**

* 邮件多人发送，可设置发送，抄送，密送

* @author zhutongyu

*

*/

public class SendMail {

private static SendMail instance = null;

private SendMail() {

}

public static SendMail getInstance() {

if (instance == null) {

instance = new SendMail();

}

return instance;

}

public void send(String to[],String cs[],String ms[],String subject,String content,String formEmail,String fileList[]) {

try {

Properties p = new Properties(); // Properties p =

// System.getProperties();

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

p.put("mail.transport.protocol", "smtp");

p.put("mail.smtp.host", "smtp.asia-media.cn");

p.put("mail.smtp.port", "25");

// 建立会话

Session session = Session.getInstance(p);

Message msg = new MimeMessage(session); // 建立信息

BodyPart messageBodyPart = new MimeBodyPart();

Multipart multipart = new MimeMultipart();

msg.setFrom(new InternetAddress(formEmail)); // 发件人

String toList = null;

String toListcs = null;

String toListms = null;

//发送,

if(to!=null)

{

toList = getMailList(to);

InternetAddress[] iaToList = new InternetAddress().parse(toList);

msg.setRecipients(Message.RecipientType.TO, iaToList); // 收件人

}

//抄送

if(cs!=null)

{

toListcs = getMailList(cs);

InternetAddress[] iaToListcs = new InternetAddress().parse(toListcs);

msg.setRecipients(Message.RecipientType.CC, iaToListcs); // 抄送人

}

//密送

if(ms!=null)

{

toListms = getMailList(ms);

InternetAddress[] iaToListms = new InternetAddress().parse(toListms);

msg.setRecipients(Message.RecipientType.BCC, iaToListms); // 密送人

}

msg.setSentDate(new Date()); // 发送日期

msg.setSubject(subject); // 主题

msg.setText(content); // 内容

//显示以html格式的文本内容

messageBodyPart.setContent(content,"text/html;charset=gbk");

multipart.addBodyPart(messageBodyPart);

// 2.保存多个附件

if(fileList!=null){

addTach(fileList,multipart);

}

msg.setContent(multipart);

// 邮件服务器进行验证

Transport tran = session.getTransport("smtp");

tran.connect("smtp.asia-media.cn", "postmaster@asia-media.cn", "asiamedia");

tran.sendMessage(msg, msg.getAllRecipients()); // 发送

System.out.println("邮件发送成功");

} catch (Exception e) {

e.printStackTrace();

}

}

//添加多个附件

public void addTach(String fileList[],Multipart multipart) throws MessagingException, UnsupportedEncodingException{

for (int index = 0;index < fileList.length;index++)

{

MimeBodyPart mailArchieve = new MimeBodyPart();

FileDataSource fds = new FileDataSource(fileList[index]);

mailArchieve.setDataHandler(new DataHandler(fds));

mailArchieve.setFileName(MimeUtility.encodeText(fds.getName(),"GBK","B"));

multipart.addBodyPart(mailArchieve);

}

}

private String getMailList(String[] mailArray) {

StringBuffer toList = new StringBuffer();

int length = mailArray.length;

if (mailArray != null && length < 2) {

toList.append(mailArray[0]);

} else {

for (int i = 0; i < length; i++) {

toList.append(mailArray[i]);

if (i != (length - 1)) {

toList.append(",");

}

}

}

return toList.toString();

}

public static void main(String args[])

{

SendMail send = SendMail.getInstance();

String to[] = { "zhutongyu@asia-media.cn" };

String cs[] = null;

String ms[] = null;

String subject="测试一下";

String content="这是邮件内容，仅仅是测试，不需要回复";

String formEmail="zhutongyu@asia-media.cn";

String[] arrArchievList = new String[4];

arrArchievList[0] = "c:\\2012052914033429140297.rar";

arrArchievList[1] = "c:\\topSearch.html";

arrArchievList[2] = "c:\\topSearch2.html";

arrArchievList[3] = "c:\\logo_white.png";

// 2.保存多个附件

send.send(to,cs,ms,subject,content,formEmail,arrArchievList);

}