用JavaMail发送邮件

来源：互联网发布：美国风光知乎编辑：程序博客网时间：2024/05/23 00:00

2009-02-15 18:02:16

下面是该程序的源代码，请参考注释或其他标识。下载附件请到：http://download.csdn.net/source/1012887

/*
该程序通过JavaMail是实现邮件的发送：主要步骤有：
1、导入mail.jar、htmlparser.jar和 acivation.jar类包。
2、设置邮件的smtp服务器和 smtp端口（smtp服务器用于发送邮件，pop3服务器用于接收邮件）
3、设置邮件的主题、抽送对象、附件和邮件正文
4、设置邮件账号
*/

/**
* @author tsball@qq.com
* @publishDate 2009-02-15
*/

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

public class SendMail {

    private MimeMessage mimeMsg; //MIME郵件物件

    private Session session; //郵件會話物件
    private Properties props; //系統屬性

    private String username = ""; //smtp認證用戶名和密碼
    private String password = "";

    private Multipart mp; //Multipart物件,郵件內容,標題,附件等內容均添加到其中後再生成MimeMessage物件


    public SendMail(String hostName, int portNumber, boolean need){

        setSmtpProperties(hostName, portNumber, need);
        createMimeMessage();

    }

    public void setSmtpProperties(String hostName, int portNumber, boolean need) {

        if(props == null)
            props = System.getProperties();
        props.put("mail.smtp.host",hostName); //設置SMTP服务器主機
        props.put("mail.smtp.port",portNumber); //設置SMTP主機端口
        props.put("mail.smtp.auth",String.valueOf(need)); //設置smtp身份認證,是否需要验证
        System.out.println("設置SMTP服务器主機 :" + hostName + " 端口:" + portNumber + "身份验证:" + need);
    }

    public boolean createMimeMessage() {

        try {
            session = Session.getDefaultInstance(props,null);
            System.out.println("準備獲取郵件會話對象！");
        } catch(Exception e) {
            System.err.println("獲取郵件會話物件時發生錯誤！"+e);
            return false;
        }

        try{
            mimeMsg = new MimeMessage(session);
            mp = new MimeMultipart();
            System.out.println("準備創建MIME郵件對象！");
            return true;
        } catch(Exception e){
            System.err.println("創建MIME郵件物件失敗！"+e);
            return false;
        }
    }

    public void setNamePass(String username,String password) {

        this.username = username;
        this.password = password;

    }

    public boolean setSubject(String mailSubject) {

        try{
            mimeMsg.setSubject(mailSubject);
            System.out.println("設置郵件主題！");
            return true;
        } catch(Exception e) {
            System.err.println("設置郵件主題發生錯誤！" + e);
            return false;
        }
    }

    public boolean setBody(String mailBody) {

        try{
            BodyPart bp = new MimeBodyPart();
            bp.setContent("<meta http-equiv=Content-Type content=text/html; charset=gb2312>"+mailBody,"text/html;charset=GB2312");
            mp.addBodyPart(bp);
            System.out.println("設置郵件正文！");
            return true;
        } catch(Exception e){
            System.out.println("設置郵件正文時發生錯誤！" + e);
            return false;
        }
    }

    public boolean addFileAffix(String filename) {

        try{
            BodyPart bp = new MimeBodyPart();
            FileDataSource fileds = new FileDataSource(filename);
            bp.setDataHandler(new DataHandler(fileds));
            bp.setFileName(fileds.getName());

            mp.addBodyPart(bp);

            System.out.println("增加郵件附件：" + filename);
            return true;
        } catch(Exception e){
            System.err.println("增加郵件附件：" + filename + "發生錯誤！" + e);
            return false;
        }
    }


    public boolean setFrom(String from) {

        try{
            mimeMsg.setFrom(new InternetAddress(from));
            System.out.println("設置發信人！");
            return true;
        } catch(Exception e) {
            System.out.println("設置發信人發生錯誤！");
            return false;
        }
    }

    public boolean setTo(String to){

        if(to == null)
            return false;

        try{
            mimeMsg.setRecipients(Message.RecipientType.TO,InternetAddress.parse(to));
            System.out.println("設置接收對象！");
            return true;
        } catch(Exception e) {
            System.out.println("設置接收對象發生錯誤！");
            return false;
        }
    }

    public boolean setCopyTo(String copyto)
    {
        if(copyto == null)
            return false;
        try{
            mimeMsg.setRecipients(Message.RecipientType.CC,(Address[])InternetAddress.parse(copyto));
            System.out.println("設置抽送對象！");
            return true;
        } catch(Exception e) {
            System.out.println("設置抽送對象發生錯誤！");
            return false;
        }
    }

    public boolean sendout()
    {
        try{
            mimeMsg.setContent(mp);
            mimeMsg.saveChanges();
            System.out.println("正在發送郵件....");

            Session mailSession = Session.getInstance(props,null);
            Transport transport = mailSession.getTransport("smtp");
            transport.connect((String)props.get("mail.smtp.host"),username,password);
            transport.sendMessage(mimeMsg,mimeMsg.getRecipients(Message.RecipientType.TO));
            //transport.send(mimeMsg);

            System.out.println("發送郵件成功！");
            transport.close();

            return true;
        } catch(Exception e) {
            System.err.println("郵件發送失敗！" + e);
            return false;
        }
    }


    /**
    * Just do it as this
    */
    public static void main(String[] args) {

        String mailbody = "<meta http-equiv=Content-Type content=text/html; charset=big5>"+
        "<div align=center><a href=http://www.google.cn > 邮件内容! </a></div>";

        SendMail themail = new SendMail("smtp.qq.com", 587, true);

        if(themail.setTo("tsball@126.com") == false) return;        //接收邮件
        if(themail.setCopyTo("paul@apjcorp.com") == false) return; //抽送邮件
        if(themail.setFrom("tsball@qq.com") == false) return;       //发送方邮件
        if(themail.setSubject("邮件主题") == false) return;         //邮件主题
        if(themail.setBody(mailbody) == false) return;              //邮件正文
        if(themail.addFileAffix("d://attachement.txt") == false) return; //邮件附件
        themail.setNamePass("userName","password");                 //发送方账号

        if(themail.sendout() == false) return;
    }
}