sendmail.java

用javaMail实现发送Email 最初写好发了100封给自己

/*
 * sendMail.java
 *
 * Created on 2008-3-15, 15:16:57
 *
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */



/**
 *
 * @author w
 */

import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
import java.io.*;
import com.sun.mail.util.*;
import java.net.*;  //实现多线程


public class sendMail extends  Thread
{

    private MimeMessage mailObject; //MIME邮件对象
    private Session session; //邮件会话对象
    private Properties props; // 系统属性
    private boolean needAuth = true; //SMTP要认证，现在来说
    private String username = "";
    private String password = "";
    private Multipart mail; //邮件内容，标题，附件等内容等均存在此
    private Transport transport = null;

    public sendMail( String smtp, String from, String pw, String to, String content,File f  )  
    {
        System.out.println( "设置系统属性:mail.smtp.host = " + smtp );
        if( props == null ) {
            props = System.getProperties(  );
        }
        props.put( "mail.smpt.host", smtp );

        //准备获取邮件会话对象
        try {
            System.out.println( "准备获取邮件会话对象" );
            session = Session.getDefaultInstance( props, null );
        }
        catch( Exception e ) {
            System.out.println( "获取会话对象时发生错误" + e );
        }
        //创建MIME邮件对象
        System.out.println( "准备创建MIME邮件对象" );
        try {
            mailObject = new MimeMessage( session );
            mail = new MimeMultipart(  );
        }
        catch( Exception e ) {
            System.err.println( "创建ＭＩＭＥ邮件对象失败" + e );
        }

        //设置ＳＭＴＰ身体认证
        System.out.println( "设置smtp身份认证: mail.smtp.auth = " + true );
        if( props == null ) {
            props = System.getProperties(  );
        }
        props.put( "mail.smtp.auth", "false" );

        //设置邮件主题
        System.out.println( "设置邮件主题" );
        try {
            mailObject.setSubject( "这是一封程序自动发送的邮件" );
        }
        catch( Exception e ) {
            System.out.println( "设置邮件主题失败" + e );
        }

        //设置ＢＯＤＹ
        try {
            BodyPart bp = new MimeBodyPart(  );
            bp.setContent( "" + content, "text/html;charset=gb2312" );
            mail.addBodyPart( bp );
        }
        catch( Exception e ) {
            System.err.println( "设置邮件正文时发生错误" + e );
        }

        //设置接收者
        try {
            mailObject.setRecipients( Message.RecipientType.TO, InternetAddress.parse( to ) );
            
        }
        catch( Exception e ) {
            System.err.println( "设置接收者失败" + e );
        }

        //设置发送者　
        try {
            mailObject.setFrom( new InternetAddress( from ) );
        }
        catch( Exception e ) {
            System.err.println( "设置发送者失败" + e );
        }

        //设置发送附件
        System.out.println( "增加邮件邮件" );
        if( f != null )
        {
            try {
        
            BodyPart bp1 = new MimeBodyPart(  );
            FileDataSource fileds = new FileDataSource( f );
            bp1.setDataHandler( new DataHandler( fileds ) );
            bp1.setFileName( fileds.getName(  ) );
            

            mail.addBodyPart( bp1 );
            }
        
        catch( Exception e ) {
            System.err.println( "设置附件时失败" + e );
        }
        }
        
        //开始发送        
        try {
            mailObject.setContent( mail );
            mailObject.saveChanges(  );
            //System.out.println( "正在发送邮件....." );
            Session mailSession = Session.getInstance( props, null );
            transport = mailSession.getTransport( "smtp" );
            transport.connect( smtp, getUserName.getName( from ) , pw );
           //transport.sendMessage( mailObject, mailObject.getRecipients( Message.RecipientType.TO ) );
           // System.out.println( "发送成功" );
            //transport.close(  );
        }
        catch( Exception e ) {
            System.err.println( "设置失败" );
        
        }
    }
        public void close()
        {
           try
           {
               transport.close();
           }
           catch( Exception e )
           {
               System.out.println( "关闭失败" + e );
           }
        }
        
        public void send()
        {
            System.out.println( "ready to send" );
            try
            {
                transport.sendMessage( mailObject, mailObject.getRecipients( Message.RecipientType.TO ) );
            }
            catch( Exception e )
            {
                System.out.println( "发送失败" + e );
            }
        }
    }