public class SendEmailDemo {

  public static void main(String[] args) throws Exception {

    //1. 登陸郵件客戶端(創(chuàng)建會話session)
    Properties prop = new Properties();
    prop.setProperty("mail.transport.protocol", "smtp");  
    //創(chuàng)建了session會話
    Session session = Session.getDefaultInstance(prop);
    //設(shè)置debug模式來調(diào)試發(fā)送信息
    session.setDebug(true);
    //創(chuàng)建一封郵件對象
    Message message = new MimeMessage(session);
    //寫信
    message.setSubject("歡迎訪問我的CSDN博客主頁！");
    //正文內(nèi)容
    message.setContent("歡迎訪問我的CSDN博客主頁：http://blog.csdn.net/eson_15"
        + "，么么噠~", "text/html;charset=utf-8");
    //附件人地址
    message.setFrom(new InternetAddress("nishengwus@163.com"));
    Transport transport = session.getTransport();
    //鏈接郵件服務(wù)器的認(rèn)證信息
    transport.connect("smtp.163.com", "nishengwus", "xxxxx密碼");
    // 設(shè)置收件人地址，并發(fā)送郵件
    transport.sendMessage(message, new InternetAddress[]{new InternetAddress("694076359@qq.com")});
    transport.close();
  }
}

//抽取后的EmailUtil接口
public interface EmailUtil {

  public abstract void sendEmail(String emailAddress, String id);

}

//EmailUtilImpl實(shí)現(xiàn)類
@Component("emailUtil")
public class EmailUtilImpl implements EmailUtil {
  //參數(shù)接收顧客的郵箱地址和訂單編號
  @Override
  public void sendEmail(String emailAddress, String id) {
    // 1. 登陸郵件客戶端(創(chuàng)建會話session)
    Properties prop = new Properties();
    Session session = null;
    Message message = null;
    Transport transport = null;
    try {
      prop.setProperty("mail.transport.protocol", "smtp");
      // 創(chuàng)建了session會話
      session = Session.getDefaultInstance(prop);
      // 設(shè)置debug模式來調(diào)試發(fā)送信息
      session.setDebug(true);
      // 創(chuàng)建一封郵件對象
      message = new MimeMessage(session);
      // 寫信
      message.setSubject("網(wǎng)上商城訂單反饋");
      // 正文內(nèi)容
      message.setContent("顧客您好，歡迎您光顧網(wǎng)上商城，訂單" + id + "已支付成功！", "text/html;charset=utf-8");
      // 附件人地址
      message.setFrom(new InternetAddress("soft03_test@sina.com"));      
      transport = session.getTransport();
      // 鏈接郵件服務(wù)器的認(rèn)證信息
      transport.connect("smtp.sina.com", "soft03_test", "soft03_test");

      // 設(shè)置收件人地址，并發(fā)送郵件
      transport.sendMessage(message, new InternetAddress[] { new InternetAddress(emailAddress) });
    } catch (Exception e) {
      e.printStackTrace();
      throw new RuntimeException(e);
    } finally {     
      try {
        transport.close();
      } catch (MessagingException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
      }
    }
  }

@Controller("payAction")
@Scope("prototype")
public class PayAction extends BaseAction<Object> implements ParameterAware {

  //省略不相關(guān)的代碼……

  public void backBank() {
    BackData backData = (BackData)model;
    System.out.println(model);
    boolean isOK = payService.checkBackData(backData);
    if(isOK) {
      //1. 更新訂單狀態(tài),參數(shù)是自己根據(jù)數(shù)據(jù)庫中的情況傳進(jìn)去的，用來測試
      forderService.updateStatusById(Integer.valueOf(201605006), 2);
      //2. 根據(jù)user郵箱地址，發(fā)送郵件
      String emailAddress = backData.getR8_MP().split(",")[0];
      emailUtil.sendEmail(emailAddress, backData.getR6_Order());
      //3. 發(fā)送手機(jī)短信，下一篇博客來介紹發(fā)送短信的功能
      System.out.println("----success!!----");
    } else {
      System.out.println("----false!!!----");
    }
  }
}