mailbeans.java

email java实现 个别包需要先下载

package beans;

import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.NoSuchProviderException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;

public class Mailbeans
{
	private MimeMessage message;
	private Properties props;
	private Session session;
	private MimeMultipart mp;
	private String name = "";
	private String password = "";
	public Mailbeans(String host,String name,String password)
	{
		this.name = name;
		this.password = password;
		props = System.getProperties();
		props.put("mail.smtp.host", host);
		props.put("mail.smtp.auth", "true");
		MyAuthenticator auth = new MyAuthenticator(name,password);
		session = Session.getDefaultInstance(props,auth);
		message = new MimeMessage(session);
		mp = new MimeMultipart();
	}
	public void setFrom(String from)
	{
		try
		{
			message.setFrom(new InternetAddress(from));
		}catch(AddressException e){
			e.printStackTrace();
		}catch(MessagingException e){
			e.printStackTrace();
		}
	}
	public void setTo(String to)
	{
		try
		{
			message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
		}catch(AddressException e){
			e.printStackTrace();
		}catch(MessagingException e){
			e.printStackTrace();
		}
	}
	public void setSubject(String subject)
	{
		try{
			message.setSubject(subject);
		}catch(Exception e){
			e.printStackTrace();
		}
	}
	public void setContent(String content)
	{
		try{
			BodyPart bp = new MimeBodyPart();
			bp.setContent("<meta http-equiv=Content-Type content=text/html;charset=gbk>"+content,"text/html;charset=GBK");
			mp.addBodyPart(bp);
		}catch(MessagingException e){
			e.printStackTrace();
		}
	}
	public boolean send()
	{
		try{
			message.setContent(mp);
			message.saveChanges();
			Transport transport = session.getTransport("smtp");
			transport.connect((String)props.get("mail.smtp.host"), name, password);
			transport.sendMessage(message, message.getRecipients(Message.RecipientType.TO));
			transport.close();
			return true;
		}catch(NoSuchProviderException e){
			e.printStackTrace();
			return false;
		}catch(MessagingException e){
			e.printStackTrace();
			return false;
		}
	}
	public void addAttachMent(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)
		{
			e.printStackTrace();
		}
	}
}