把JavaMail包装成简单的Sendmail

package steeven;

/*
Calss:  Sendmail
Author: [email protected]
QQ:     7461522
Date:   11/13/2001
Notes:
        Find samples in main();
        If you send mail only from/to intranet, change domain as u need.
Setup:
        1. change host, mailFooter
*/


import java.util.*;
import java.sql.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;

public class Sendmail extends Common{

  public String host = "smtpServer";              //smtp server
  static String mailFooter = "\n\n\n此邮件由WebMail发送 http://www/mail.jsp\n\n";
  String domain = "company";
  boolean sessionDebug;

  Message msg;
  Multipart multipart;

  public Sendmail() throws Exception{
    Properties props = System.getProperties();
    props.put("mail.host", host);
    props.put("mail.transport.protocol", "smtp");
    Session session = Session.getDefaultInstance(props, null);
    // Set debug on the Session so we can see what is going on
    // Passing false will not echo debug info, and passing true
    // will.
    session.setDebug(sessionDebug);
    // Instantiate a new MimeMessage and fill it with the
    // required information.
    msg = new MimeMessage(session);
    msg.setSentDate(new java.util.Date());
    multipart = new MimeMultipart();
    msg.setContent(multipart);
  }
  public Sendmail(String to, String from, String subject, String body) throws Exception{
    this();
    this.setSendTo(to);
    this.setFrom(from);
    this.setSubject(subject);
    this.setBody(body);
  }
  public Sendmail(String[] to, String from, String subject, String body) throws Exception{
    this();
    this.setSendTo(to);
    this.setFrom(from);
    this.setSubject(subject);
    this.setBody(body);
  }
  public void setHost(String host) throws Exception{
    this.host=host;
  }
  void setFrom(String from) throws Exception{
    msg.setFrom(new InternetAddress(from+"@"+domain));
  }
  void setSendTo(String[] to) throws Exception{
    for (int i=0;i<to.length;i++)
      setSendTo(to[i]);
  }
  void setSendTo(String to) throws Exception{
//        System.out.println("sending mail to :"+to[i]);
    InternetAddress[] address = {new InternetAddress(to + "@"+domain)};
    msg.setRecipients(Message.RecipientType.TO, address);
  }
  void setCopyTo(String[] to) throws Exception{
    for (int i=0;to!=null && i<to.length;i++)
      setCopyTo(to[i]);
  }
  void setCopyTo(String to) throws Exception{
//        System.out.println("Copying mail to :"+to[i]);
    InternetAddress[] address = {new InternetAddress(to +"@"+ domain)};
    msg.setRecipients(Message.RecipientType.CC, address);
  }
  void setSubject(String subject) throws Exception{
    sun.misc.BASE64Encoder enc = new sun.misc.BASE64Encoder();
    msg.setSubject("=?GB2312?B?"+enc.encode(subject.getBytes())+"?=");
  }
  void setBody(String body) throws Exception{
      MimeBodyPart messageBodyPart = new MimeBodyPart();
      messageBodyPart.setText(body+mailFooter);
      multipart.addBodyPart(messageBodyPart);
  }
  void setAttachFile(String fileName) throws Exception{
    setAttachFile(fileName,fileName);
  }
  void setAttachFile(String fileName,String name) throws Exception{
        MimeBodyPart messageBodyPart = new MimeBodyPart();
        DataSource source = new FileDataSource(fileName);
        messageBodyPart.setDataHandler(new DataHandler(source));
        messageBodyPart.setFileName(name);
        multipart.addBodyPart(messageBodyPart);
  }
  void setAttachFile(String[][] fileName) throws Exception{
    for (int i=0;i<fileName.length;i++)
      setAttachFile(fileName[i][0],fileName[i][1]);
  }
  public void send() throws Exception{
      Transport.send(msg);
  }
  public static void main(String[] args) throws Exception{
    Sendmail s= new Sendmail("steeven","steeven","测试附件","This is text body");
    s.setAttachFile("index.jsp");
    s.send();
    // or simply:
    new Sendmail("steeven","steeven","mail subject","mail text body").send();
  }
}

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