java监控自动发邮件功能，基于126邮箱

来源：互联网发布：优秀网络作家编辑：程序博客网时间：2024/05/08 08:17

import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.BodyPart;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

public class JavaMail {
private MimeMessage mimeMsg;
private Session session;
private Properties props;
private boolean needAuth;
private String username;
private String password;
private Multipart mp;

public JavaMail(String smtp) {
needAuth = false;
username = "";
password = "";
setSmtpHost(smtp);
createMimeMessage();
}

public void setSmtpHost(String hostName) {
if (props == null)
props = System.getProperties();
props.put("mail.smtp.host", hostName);
}

public boolean createMimeMessage() {
try {
   session = Session.getDefaultInstance(props, null);
} catch (Exception e) {
   return false;
}
try {
   mimeMsg = new MimeMessage(session);
   mp = new MimeMultipart();
} catch (Exception e) {
   return false;
}
return true;
}

public void setNeedAuth(boolean need) {
if (props == null)
   props = System.getProperties();
if (need)
   props.put("mail.smtp.auth", "true");
else
   props.put("mail.smtp.auth", "false");
}

public void setNamePass(String name, String pass) {
username = name;
password = pass;
}

public boolean setSubject(String mailSubject) {
try {
mimeMsg.setSubject(mailSubject);
} catch (Exception e) {
return false;
}
return true;
}

public boolean setBody(String mailBody) {
try {
   BodyPart bp = new MimeBodyPart();
   bp.setContent(
     "<meta http-equiv=Content-Type content=text/html; charset=gb2312>"
       + mailBody, "text/html;charset=GB2312");
   mp.addBodyPart(bp);
} catch (Exception e) {
   return false;
}
return true;
}

public boolean addFileAffix(String filename) {
try {
   BodyPart bp = new MimeBodyPart();
   FileDataSource fileds = new FileDataSource(filename);
   bp.setDataHandler(new DataHandler(fileds));
   bp.setFileName(fileds.getName());
   mp.addBodyPart(bp);
} catch (Exception e) {
   return false;
}
return true;
}

public boolean setFrom(String from) {
try {
mimeMsg.setFrom(new InternetAddress(from));
} catch (Exception e) {
return false;
}
return true;
}

public boolean setTo(String to) {
if (to == null)
   return false;
try {
   mimeMsg.setRecipients(javax.mail.Message.RecipientType.TO,
     InternetAddress.parse(to));
} catch (Exception e) {
   return false;
}
return true;
}

public boolean setCopyTo(String copyto) {
if (copyto == null)
   return false;
try {
   mimeMsg.setRecipients(javax.mail.Message.RecipientType.CC,
     InternetAddress.parse(copyto));
} catch (Exception e) {
   return false;
}
return true;
}

public boolean sendout() {
try {
   mimeMsg.setContent(mp);
   mimeMsg.saveChanges();
   Session mailSession = Session.getInstance(props, null);
   Transport transport = mailSession.getTransport("smtp");
   transport.connect((String) props.get("mail.smtp.host"), username,
     password);
   transport.sendMessage(mimeMsg, mimeMsg
     .getRecipients(javax.mail.Message.RecipientType.TO));
   transport.close();
} catch (Exception e) {
   e.printStackTrace();
   return false;
}
return true;
}

public static void main(String[] args) throws Exception {
JavaMail mailSender = new JavaMail("smtp.126.com");
mailSender.setNeedAuth(true);
mailSender.setSubject("告警告警：服务器空间满了");
mailSender.setBody("服务器空间满了");
mailSender.setTo("目的邮件地址");
mailSender.setFrom("源邮件地址");
mailSender.setNamePass("yezimengjuan", "password");
mailSender.sendout();
System.out.print("发送成功");
}

}

借鉴：http://blog.sina.com.cn/s/blog_50d936c40100dbui.html

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