public static void main(String[] args) throws Exception {
         final String user = "779554589";
         final String password = "";
         String fromAddress = "779554589@qq.com";
         String toAddress = "loadfate@163.com";
         String subject = "郵件測試主題";
         String content = "這是一個測試郵件<b>哈哈</b>";
         //配置參數
         Properties props = new Properties();
         props.setProperty("mail.smtp.auth", "true");
         props.setProperty("mail.transport.protocol", "smtp");
         props.setProperty("mail.host", "smtp.qq.com");
         // 方法一：使用transport對象發送郵件
         {
             //通過參數生成會話
             Session session = Session.getInstance(props);
             //啟用調試模式
             session.setDebug(true);
             //創建一封郵件，并設置信息
             Message message = new MimeMessage(session);
             message.setFrom(new InternetAddress(fromAddress));
             message.setSubject(subject);
             message.setText(content);
             //創建傳輸
             Transport transport = session.getTransport();
             //連接smtp服務器
             transport.connect(user, password);
             //發送
             transport.sendMessage(message, new InternetAddress[] { new InternetAddress(toAddress) });
             transport.close();
         }
         // 方法二：使用Transport類靜態方法發送郵件
         {
             //生成Session時以獲取授權連接
             Session session = Session.getInstance(props, new Authenticator() {
                 @Override
                 protected PasswordAuthentication getPasswordAuthentication() {
                     return new PasswordAuthentication(user, password);
                 }
             });
             session.setDebug(true);
             //創建一封郵件，并設置信息
             Message message = new MimeMessage(session);
             message.setSubject(subject);
             message.setFrom(new InternetAddress(fromAddress));
             message.setRecipient(RecipientType.TO, new InternetAddress(toAddress));
             message.setContent(content, "text/html;charset=utf-8");
             //直接發送，message通過已經授權的Session生成
             Transport.send(message);
         }
     }

 public class ApacheMailTest {
     // smtp服務器
     private String hostName = "smtp.qq.com";
     // 帳號與密碼
     private String userName = "779554589";
     private String password = "這是個秘密";
     // 發件人
     private String fromAddress = "779554589@qq.com";
     // 發件人姓名
     private String fromName = "loadfate";
     public static void main(String[] args) throws Exception {
         // 收件人與收件人名字
         String toAddress = "loadfate@163.com";
         String toName = "loadfate";
         ApacheMailTest test = new ApacheMailTest();
         // 所有的異常都為處理，方便瀏覽
         test.sendSimpleEmail(toAddress, toName);
         test.sendHtmlEmail(toAddress, toName);
         test.sendMultiPartEmail(toAddress, toName);
         System.out.println("發送完成");
     }
     // 發送簡單郵件，類似一條信息
     public void sendSimpleEmail(String toAddress, String toName) throws Exception {
         SimpleEmail email = new SimpleEmail();
         email.setHostName(hostName);// 設置smtp服務器
         email.setAuthentication(userName, password);// 設置授權信息
         email.setCharset("utf-8");
         email.setFrom(fromAddress, fromName, "utf-8");// 設置發件人信息
         email.addTo(toAddress, toName, "utf-8");// 設置收件人信息
         email.setSubject("測試主題");// 設置主題
         email.setMsg("這是一個簡單的測試！");// 設置郵件內容
         email.send();// 發送郵件
     }
     // 發送Html內容的郵件
     public void sendHtmlEmail(String toAddress, String toName) throws Exception {
         HtmlEmail email = new HtmlEmail();
         email.setHostName(hostName);
         email.setAuthentication(userName, password);
         email.setCharset("utf-8");
         email.addTo(toAddress, toName, "utf-8");
         email.setFrom(fromAddress, fromName, "utf-8");
         email.setSubject("這是一個html郵件");
         // 設置html內容，實際使用時可以從文本讀入寫好的html代碼
         email.setHtmlMsg("<div style='width:100px;height:200px;'>a</div>");
         email.send();
     }
     // 發送復雜的郵件，包含附件等
     public void sendMultiPartEmail(String toAddress, String toName) throws Exception {
         MultiPartEmail email = null;
         email = new MultiPartEmail();
         email.setHostName(hostName);
         email.setAuthentication(userName, password);
         email.setCharset("utf-8");
         email.addTo(toAddress, toName, "utf-8");
         email.setFrom(fromAddress, fromName, "utf-8");
         email.setSubject("這是有附件的郵件");
         email.setMsg("<a href='#'>測試內容</a>");
         // 為郵件添加附加內容
         EmailAttachment attachment = new EmailAttachment();
         attachment.setPath("D:\\郵件.txt");// 本地文件
         // attachment.setURL(new URL("http://xxx/a.gif"));//遠程文件
         attachment.setDisposition(EmailAttachment.ATTACHMENT);
         attachment.setDescription("描述信息");
         // 設置附件顯示名字，必須要編碼，不然中文會亂碼
         attachment.setName(MimeUtility.encodeText("郵件.txt"));
         // 將附件添加到郵件中
         email.attach(attachment);
         email.send();
     }
 }