//對(duì)用戶名和密碼進(jìn)行base64編碼

 @Test

 public void base64(){
 String name = "wj_leaf12345";
 String pwd = "1qaz2wsx";
 BASE64Encoder en = new BASE64Encoder();
 name = en.encode(name.getBytes());
 pwd = en.encode(pwd.getBytes());
 System.err.println(name);
 System.err.println(pwd);

 }

public void sendMail() throws Exception{

 //第一步：聲明properties對(duì)象放信息
 Properties prop = new Properties();
 //設(shè)置連接哪一臺(tái)服務(wù)器
 prop.setProperty("mail.host","smtp.126.com");
 //設(shè)置是否驗(yàn)證
 prop.setProperty("mail.smtp.auth", "true");
 //第二步：聲明用戶名和密碼
 Authenticator auth = new Authenticator() {
  //此訪求返回用戶和密碼的對(duì)象
  public PasswordAuthentication getPasswordAuthentication() {
  PasswordAuthentication pa =
   new PasswordAuthentication("aaa", "sss");
  return pa;

  }

 };

 ////第二步：獲取Session對(duì)象
 Session session =
  Session.getDefaultInstance(prop,auth);
 //設(shè)置session的調(diào)試模式
 session.setDebug(true);
 //第三步：聲明信息
 MimeMessage mm1 =
  new MimeMessage(session);
 

 //第四步：設(shè)置發(fā)件人email
 Address from = new InternetAddress("wj@126.com");
 mm1.setFrom(from);
 //第五步：設(shè)置收件人
 mm1.setRecipient(RecipientType.TO,new InternetAddress("wj@163.com"));
 mm1.setRecipient(RecipientType.CC, new InternetAddress("554@qq.com"));
 mm1.setRecipient(RecipientType.BCC, new InternetAddress("wj@ss.cn"));
 //第六步：設(shè)置主題
 mm1.setSubject("這是用Java發(fā)的郵件3");
 mm1.setContent("你好，這是用java發(fā)的郵件,3333再試一下", "text/plain;charset=UTF-8");
 //第七步：
 Transport.send(mm1);

 }

 

mm1.setSubject("這是用Java發(fā)的郵件sfasdf3");

 mm1.setContent("你好，這是用java發(fā)的郵件,<a text/html;charset=UTF-8" );
 //第七步：

 Transport.send(mm1);

public void sendFile() throws Exception{

 Properties p = new Properties();
 p.setProperty("mail.host","smtp.163.com");
 p.setProperty("mail.smtp.auth","true");
 Session s = Session.getDefaultInstance(p,new Authenticator() {
  @Override
  public PasswordAuthentication getPasswordAuthentication() {
  return new PasswordAuthentication("ww", "123");

  }

 });

 s.setDebug(true); 
 //聲明MimeMessage
 MimeMessage msg = new MimeMessage(s);
 msg.setFrom(new InternetAddress("ww@163.com"));
 msg.setRecipient(RecipientType.TO, new InternetAddress("ww@126.com"));
 msg.setSubject("圖片的");
 //第一步：聲明多處理的Part
 MimeMultipart mm = new MimeMultipart();
 //第二步：聲明
 MimeBodyPart body1 = new MimeBodyPart();
 //第三步：設(shè)置符件
 DataSource ds = new FileDataSource(new File("./img/a.jpg"));
 DataHandler dh = new DataHandler(ds);
 body1.setDataHandler(dh);
 //必須要設(shè)置名稱
 body1.setFileName(MimeUtility.encodeText("美女.jpg"));
 MimeBodyPart body2 = new MimeBodyPart();
 //第三步：設(shè)置符件
 DataSource ds2 = new FileDataSource(new File("./img/b.jpg"));
 DataHandler dh2 = new DataHandler(ds2);
 body2.setDataHandler(dh2);
 //必須要設(shè)置名稱
 body2.setFileName(MimeUtility.encodeText("美女2.jpg"));
 MimeBodyPart body3 = new MimeBodyPart();
 //第三步：設(shè)置符件
 DataSource ds3 = new FileDataSource(new File("./img/m.mp3"));
 DataHandler dh3 = new DataHandler(ds3);
 body3.setDataHandler(dh3);
 //必須要設(shè)置名稱
 body3.setFileName(MimeUtility.encodeText("世紀(jì)末.mp3"));
 //將body1添加到mm
 mm.addBodyPart(body1);
 mm.addBodyPart(body2);
 mm.addBodyPart(body3);
 msg.setContent(mm);
 //發(fā)送
 Transport.send(msg);

 }