java mail 实例1

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java email

Java HTML

package test;

import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Address;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
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 SendMail {
    private MimeMessage mimeMsg;

    private Session session;

    private Properties props;

    private boolean needAuth = false; // stmp need authorize

    private String username = "";

    private String password = "";

    private Multipart mp;

    public SendMail(String smtp) {
        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) {
            e.printStackTrace();
            return false;
        }
        try {
            mimeMsg = new MimeMessage(session);
            mp = new MimeMultipart();
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    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);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    public boolean setBody(String mailBody) {
        BodyPart bp = new MimeBodyPart();
        try {
            bp.setContent("<html><head><meta http-equiv=Content-Type content=text/html; charset=utf-8></head><body>" + mailBody + "</body></html>",
                    "text/html;charset=utf-8");
            mp.addBodyPart(bp);
            return true;
        } catch (MessagingException e) {
            e.printStackTrace();
            return false;
        }
    }

    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);

            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

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

    public boolean setTo(String to) {
        if (to == null)
            return false;

        try {
            mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
            return true;
        } catch (Exception e) {
            return false;
        }
    }

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

    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(Message.RecipientType.TO));
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    public static void main(String[] args) {
        String mailbody = "<div align=center><a href=\"https://www.163.com\">this is a test</a></div>";

        SendMail themail = new SendMail("smtp.163.com");
        themail.setNeedAuth(false);

        if (themail.setSubject("this is test") == false)
            return;
        if (themail.setBody(mailbody) == false)
            return;
        if (themail.setTo("test@163.com") == false)
            return;
        if (themail.setFrom("\"test111\"<test111@163.com>") == false)
            return;

        if (themail.sendout() == false)
            return;
    }
}

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