java 发邮件

 

public String alarmInfoSending( ) throws InterruptedException {
 

     boolean mail = false;
     String alarmInfo="";

    String content = "发送的内容";

         MailUtil mailUtil = new MailUtil();
    mail= mailUtil.sendMail("[email protected]", "服务异常警报", content);

   if (mail == true) {
    alarmInfo = "邮件发送成功";
    System.out.println("SDFSDFSDFSDFSDF"+alarmInfo);
   } else {
    alarmInfo = "邮件发送失败";
    System.out.println("SDFSDFSDFSDFSDFSD"+alarmInfo);
   }
  
  return alarmInfo;
 }

 

 

import java.util.Date;
import java.util.Properties;
 
import javax.mail.Address;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
 
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

/**
 *mail.jar和activation.jar
 * @author  JenMinZhang
 */
public  class MailUtil {
 
 
   // 邮件发送者地址
    private static final String SenderEmailAddr = "[email protected]";

    // 邮件发送者邮箱用户
    private static final String SMTPUserName = "Alan_cook123";
    
    // 邮件发送者邮箱密码
    private static final String SMTPPassword = "1988aaazzz";

    // 邮件发送者邮箱SMTP服务器
    private static final String SMTPServerName = "smtp.163.com";

    // 传输类型
    private static final String TransportType = "smtp";

    // 属性
    private static Properties props;

    /**
     * 私有构造函数，防止外界新建本实用类的实例，因为直接使用MailUtil.sendMail发送邮件即可
     *
     */
    public MailUtil() {

    }

    /**
     * 静态构造器
     */
    static {
        MailUtil.props = new Properties();

        // 存储发送邮件服务器的信息
        MailUtil.props.put("mail.smtp.host", MailUtil.SMTPServerName);
        // 同时通过验证
        MailUtil.props.put("mail.smtp.auth", "true");
    }

    /**
     * 发送邮件
     * @param emailAddr:收信人邮件地址
     * @param mailTitle:邮件标题
     * @param mailConcept:邮件内容
     */
    public boolean   sendMail(String emailAddr, String mailTitle,
            String mailConcept) {
        // 根据属性新建一个邮件会话，null参数是一种Authenticator(验证程序) 对象
        Session s = Session.getInstance(MailUtil.props, null);

        // 设置调试标志,要查看经过邮件服务器邮件命令，可以用该方法
        s.setDebug(false);
        
        // 由邮件会话新建一个消息对象
        Message message = new MimeMessage(s);
        try {
            // 设置发件人
            Address from = new InternetAddress(MailUtil.SenderEmailAddr);
            message.setFrom(from);

            // 设置收件人
            Address to = new InternetAddress(emailAddr);
            message.setRecipient(Message.RecipientType.TO, to);

            // 设置主题
            message.setSubject(mailTitle);
            // 设置信件内容
            message.setText(mailConcept);
            // 设置发信时间
            message.setSentDate(new Date());
            // 存储邮件信息
            message.saveChanges();

            Transport transport = s.getTransport(MailUtil.TransportType);
            // 要填入你的用户名和密码；
            transport.connect(MailUtil.SMTPServerName, MailUtil.SMTPUserName,
                    MailUtil.SMTPPassword);

            // 发送邮件,其中第二个参数是所有已设好的收件人地址
            transport.sendMessage(message, message.getAllRecipients());
           
           // transport.sendMessage(message, message.getAllRecipients());
            transport.close();

            System.out.println("发送邮件,邮件地址:" + emailAddr + " 标题:" + mailTitle
                    + " 内容:" + mailConcept + "成功!");
            return true;
        } catch (Exception e) {
            System.out.println(e.toString());
            System.out.println("发送邮件,邮件地址:" + emailAddr + " 标题:" + mailTitle
                    + " 内容:" + mailConcept + "失败! 原因是" + e.getMessage());
            return false;
        }
  
    }
}