complexmessage.java

关于JAVA邮件开发的源代码...很有参考价值的源代码

import java.io.FileOutputStream;
import java.util.Properties;
import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
public class ComplexMessage 
{
	public static void main(String[] args) throws Exception
	{
		Session session = Session.getDefaultInstance(new Properties());
        MimeMessage message = createMessage(session);
        message.writeTo(new FileOutputStream("c:\\ComplexMessage.eml"));
	}
	
	public static MimeMessage createMessage(Session session) throws Exception
	{
		String from = "[e-mail] ";//发件人地址
        String to = "[e-mail] ";  //收件人地址
        String subject = "HTML邮件";        //邮件主题
        String body = "<a href=http://www.it315.org>" +
        			  "欢迎大家访问我们的网站</a></br>" +
				      "<img src=\"cid:it315_logo_gif\">"; 
      
        MimeMessage message = new MimeMessage(session);            
        message.setFrom(new InternetAddress(from));
        message.setRecipients(Message.RecipientType.TO,
        		InternetAddress.parse(to));
        message.setSubject(subject);
        
        //创建代表邮件正文和附件的各个MimeBodyPart对象
        MimeBodyPart contentPart = createContent(body,"d:\\attach\\logo.gif");
        MimeBodyPart attachPart1 = createAttachment("d:\\attach\\daemon.exe");
        MimeBodyPart attachPart2 = createAttachment("d:\\attach\\sndrec.wav");
        
        //创建用于组合邮件正文和附件的MimeMultipart对象
        MimeMultipart allMultipart = new MimeMultipart("mixed");
        allMultipart.addBodyPart(contentPart);
        allMultipart.addBodyPart(attachPart1);
        allMultipart.addBodyPart(attachPart2);
        
        //设置整个邮件内容为最终组合出的MimeMultipart对象
        message.setContent(allMultipart);
        message.saveChanges();
        return message;
	}
	
	public static MimeBodyPart createContent(String body,String filename) 
														throws Exception
	{
        /* 创建代表组合MIME消息的MimeMultipart对象，
		和将该MimeMultipart对象保存到的MimeBodyPart对象 */
        MimeBodyPart contentPart = new MimeBodyPart();
        MimeMultipart contentMultipart = new MimeMultipart("related");
       
        /* 创建用于保存HTML正文的MimeBodyPart对象，
			并将它保存到MimeMultipart中 */
        MimeBodyPart htmlBodyPart = new MimeBodyPart();          
        htmlBodyPart.setContent(body,"text/html;charset=gb2312");
        contentMultipart.addBodyPart(htmlBodyPart); 
        
        /* 创建用于保存图片的MimeBodyPart对象，
			并将它保存到MimeMultipart中 */
        MimeBodyPart gifBodyPart = new MimeBodyPart();
        FileDataSource fds = new FileDataSource(filename);
        gifBodyPart.setDataHandler(new DataHandler(fds));
        gifBodyPart.setContentID("it315_logo_gif");
        contentMultipart.addBodyPart(gifBodyPart);
        
        //将MimeMultipart对象保存到的MimeBodyPart对象中
        contentPart.setContent(contentMultipart);
		return contentPart;
	}
	
	public static MimeBodyPart createAttachment(String filename) throws Exception
	{
		//创建保存附件的MimeBodyPart对象，并加入附件内容和相应信息
		MimeBodyPart attachPart = new MimeBodyPart();
        FileDataSource fds = new FileDataSource(filename);
        attachPart.setDataHandler(new DataHandler(fds));
        attachPart.setFileName(fds.getName());
		return attachPart;
	}
}