Java程序中使用JavaMail发送带图片和附件的邮件

import java.io.FileOutputStream; 
import java.util.Properties; 
 
import javax.activation.DataHandler; 
import javax.activation.FileDataSource; 
import javax.mail.Message; 
import javax.mail.Session; 
import javax.mail.internet.InternetAddress; 
import javax.mail.internet.MimeBodyPart; 
import javax.mail.internet.MimeMessage; 
import javax.mail.internet.MimeMultipart; 
 
/** 
 * 创建内含附件、图文并茂的邮件 
 * @author haolloyin 
 */ 
public class WithAttachmentMessage { 
 
  /** 
   * 根据传入的文件路径创建附件并返回 
   */ 
  public MimeBodyPart createAttachment(String fileName) throws Exception { 
    MimeBodyPart attachmentPart = new MimeBodyPart(); 
    FileDataSource fds = new FileDataSource(fileName); 
    attachmentPart.setDataHandler(new DataHandler(fds)); 
    attachmentPart.setFileName(fds.getName()); 
    return attachmentPart; 
  } 
 
  /** 
   * 根据传入的邮件正文body和文件路径创建图文并茂的正文部分 
   */ 
  public MimeBodyPart createContent(String body, String fileName) 
      throws Exception { 
    // 用于保存最终正文部分 
    MimeBodyPart contentBody = new MimeBodyPart(); 
    // 用于组合文本和图片，"related"型的MimeMultipart对象 
    MimeMultipart contentMulti = new MimeMultipart("related"); 
 
    // 正文的文本部分 
    MimeBodyPart textBody = new MimeBodyPart(); 
    textBody.setContent(body, "text/html;charset=gbk"); 
    contentMulti.addBodyPart(textBody); 
 
    // 正文的图片部分 
    MimeBodyPart jpgBody = new MimeBodyPart(); 
    FileDataSource fds = new FileDataSource(fileName); 
    jpgBody.setDataHandler(new DataHandler(fds)); 
    jpgBody.setContentID("logo_jpg"); 
    contentMulti.addBodyPart(jpgBody); 
 
    // 将上面"related"型的 MimeMultipart 对象作为邮件的正文 
    contentBody.setContent(contentMulti); 
    return contentBody; 
  } 
 
  /** 
   * 根据传入的 Seesion 对象创建混合型的 MIME消息 
   */ 
  public MimeMessage createMessage(Session session) throws Exception { 
    String from = test_hao@163.com; 
    String to = "test_hao@sina.cn"; 
    String subject = "创建内含附件、图文并茂的邮件！"; 
    String body = "<h4>内含附件、图文并茂的邮件测试！！！</h4> </br>" 
        + "<a href = http://haolloyin.blog.51cto.com/> 蚂蚁</a></br>" 
        + "<img src = \"cid:logo_jpg\"></a>"; 
 
    MimeMessage msg = new MimeMessage(session); 
    msg.setFrom(new InternetAddress(from)); 
    msg.setRecipient(Message.RecipientType.TO, new InternetAddress(to)); 
    msg.setSubject(subject); 
 
    // 创建邮件的各个 MimeBodyPart 部分 
    MimeBodyPart attachment01 = createAttachment("F:\\java\\Snake.java"); 
    MimeBodyPart attachment02 = createAttachment("F:\\java\\meng.mp3"); 
    MimeBodyPart content = createContent(body, "F:\\java\\logo.jpg"); 
 
    // 将邮件中各个部分组合到一个"mixed"型的 MimeMultipart 对象 
    MimeMultipart allPart = new MimeMultipart("mixed"); 
    allPart.addBodyPart(attachment01); 
    allPart.addBodyPart(attachment02); 
    allPart.addBodyPart(content); 
 
    // 将上面混合型的 MimeMultipart 对象作为邮件内容并保存 
    msg.setContent(allPart); 
    msg.saveChanges(); 
    return msg; 
  } 
 
  // 测试生成邮件 
  public static void main(String[] args) throws Exception { 
    WithAttachmentMessage mail = new WithAttachmentMessage(); 
    Session session = Session.getDefaultInstance(new Properties()); 
    MimeMessage message = mail.createMessage(session); 
    message.writeTo(new FileOutputStream("withAttachmentMail.eml")); 
  } 
} 

From: test_hao@163.com 
To: test_hao@sina.cn 
Message-ID: <56667.2.1279677956578.JavaMail.Administrator@WWW-1477FF1578B> 
Subject: =?GBK?B?tLS9qMTauqy4vbz+oaLNvM7EsqLDr7XE08q8/qOh?= 
MIME-Version: 1.0 
Content-Type: multipart/mixed;  
  boundary="----=_Part_1_13249998.1279677956546" 
 
------=_Part_1_13249998.1279677956546 
Content-Type: application/octet-stream; name=Snake.java 
Content-Transfer-Encoding: base64 
Content-Disposition: attachment; filename=Snake.java 
 
// 省略被 BASE64 转码后的 Snake.java 附件内容 
 
------=_Part_1_13249998.1279677956546 
Content-Type: application/octet-stream; name=meng.mp3 
Content-Transfer-Encoding: base64 
Content-Disposition: attachment; filename=meng.mp3 
 
// 省略被 BASE64 转码后的 meng.java 附件内容 
 
------=_Part_1_13249998.1279677956546 
Content-Type: multipart/related;  
  boundary="----=_Part_0_3373112.1279677956546" 
 
------=_Part_0_3373112.1279677956546 
Content-Type: text/html;charset=gbk 
Content-Transfer-Encoding: quoted-printable 
 
<h4>=C4=DA=BA=AC=B8=BD=BC=FE=A1=A2=CD=BC=CE=C4=B2=A2=C3=AF=B5=C4=D3=CA=BC= 
=FE=B2=E2=CA=D4=A3=A1=A3=A1=A3=A1</h4> </br><a href =3D http://haolloyin.bl= 
og.51cto.com/> =C2=EC=D2=CF</a></br><img src =3D "cid:logo_jpg"></a> 
------=_Part_0_3373112.1279677956546 
Content-Type: image/jpeg 
Content-Transfer-Encoding: base64 
Content-ID: logo_jpg 
 
// 省略被 BASE64 转码后的邮件正文部分内嵌的 .jpg 图片的内容 
 
------=_Part_0_3373112.1279677956546-- 
 
------=_Part_1_13249998.1279677956546--