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import java.util.*;
import java.io.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
/**
* <p>Title: 使用javamail发送邮件</p>
* <p>Description: 演示如何使用javamail包发送电子邮件。这个实例可发送多附件</p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Filename: Mail.java</p>
* @version 1.0
*/
public class Mail {
String to = "";//收件人
String from = "";//发件人
String host = "";//smtp主机
String username = "" ;
String password = "" ;
String filename = "";//附件文件名
String subject = "";//邮件主题
String content = "";//邮件正文
Vector file = new Vector();//附件文件集合
/**
*<br>方法说明:默认构造器
*<br>输入参数:
*<br>返回类型:
*/
public Mail(){
}
/**
*<br>方法说明:构造器,提供直接的参数传入
*<br>输入参数:
*<br>返回类型:
*/
public Mail(String to,String from,String smtpServer,String username,String password,String subject,String content){
this.to = to;
this.from = from;
this.host = smtpServer;
this.username = username;
this.password = password;
this.subject = subject;
//构造mail session
Properties props = System.getProperties();
props.put("mail.smtp.host",host);
props.put("mail.smtp.auth","true");
Session session=Session.getDefaultInstance(props, new Authenticator(){
public PasswordAuthentication getPasswordAuthentication(){
return new PasswordAuthentication(username,password);
}
});
try {
//构造MimeMessage 并设定基本的值
MimeMessage msg = new MimeMessage(session);
msg.setFrom(new InternetAddress(from));
InternetAddress[] address={new InternetAddress(to)};
msg.setRecipients(Message.RecipientType.TO,address);
subject = transferChinese(subject);
msg.setSubject(subject);
//构造Multipart
Multipart mp = new MimeMultipart();
//向Multipart添加正文
MimeBodyPart mbpContent = new MimeBodyPart();
mbpContent.setText(content);
//向MimeMessage添加(Multipart代表正文)
mp.addBodyPart(mbpContent);
//向Multipart添加附件
Enumeration efile=file.elements();
while(efile.hasMoreElements()){
MimeBodyPart mbpFile = new MimeBodyPart();
filename=efile.nextElement().toString();
FileDataSource fds = new FileDataSource(filename);
mbpFile.setDataHandler(new DataHandler(fds));
mbpFile.setFileName(fds.getName());
//向MimeMessage添加(Multipart代表附件)
}
file.removeAllElements();
//向Multipart添加MimeMessage
msg.setContent(mp);
msg.setSentDate(new Date());
//发送邮件
Transport.send(msg);
} catch (MessagingException mex) {
mex.printStackTrace();
Exception ex = null;
if ((ex=mex.getNextException())!=null){
ex.printStackTrace();
}
return false;
}
return true;
}
/**
*<br>方法说明:主方法,用于测试
*<br>输入参数:
*<br>返回类型:
*/
public static void main(String[] args){
Mail sendmail = new Mail();
sendmail.setHost("smtp.sohu.com");
sendmail.setUserName("du_jiang");
sendmail.setPassWord("31415926");
sendmail.setTo("dujiang@sricnet.com");
sendmail.setFrom("du_jiang@sohu.com");
sendmail.setSubject("你好,这是测试!");
sendmail.setContent("你好这是一个带多附件的测试!");
//Mail sendmail = new Mail("dujiang@sricnet.com","du_jiang@sohu.com","smtp.sohu.com","du_jiang","31415926","你好","胃,你好吗?");
sendmail.attachfile("c: est.txt");
sendmail.attachfile("DND.jar");
sendmail.sendMail();
}
}//end