lunzi

package cn.org.isc.ainfo.util.email;

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类
		 * 该类用于定义整个应用程序所需的环境信息及收集客户端与邮件服务器建立网络连接的会话信息
		 * Session对象根据这些信息构建用于邮件收发的Transport和Store对象，以及为客户端创建Message对象时提供信息支持
		 */
		Session session = Session.getDefaultInstance(new Properties());
		/**
		 * Message类
		 * 是创建和解析邮件的核心API，它的实例对象代表了一封电子邮件
		 */
		MimeMessage msg = createMessage(session);
		msg.writeTo(new FileOutputStream("c:\\ComplexMessage.eml"));
	}
	
	public static MimeMessage createMessage(Session session) throws Exception{
		
		String from = "zhangzenglun@163.com";
		String to = "zhangzenglun@163.com";
		String subject = "HTML邮件";
		String body = "<h4>welcome to here</h4>";
		
		MimeMessage msg = new MimeMessage(session);
		msg.setFrom(new InternetAddress(from));
		/**
		 * RecipientType是Message的静态内部类 To代表邮件的主要接受者
		 * setRecipient方法设置一个收件人的地址
		 */
		msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
		/**
		 * 设置发送邮件的主题
		 */
		msg.setSubject(subject);
		
		/**
		 * 该方法用于设置MimeMessage对象的邮件体
		 */
		MimeMultipart allMultipart = new MimeMultipart("mixed");
		
		MimeBodyPart contentPart = createContent(body,"d:\\image\\slogo.gif");
		MimeBodyPart attachPart1 = createAttachment("c:\\zip\\test.zip");
		MimeBodyPart attachPart2 = createAttachment("D:\\classicalSongs\\8.mp3");
		
		allMultipart.addBodyPart(contentPart);
		allMultipart.addBodyPart(attachPart1);
		allMultipart.addBodyPart(attachPart2);
		
		msg.setContent(allMultipart);
		msg.saveChanges();
		
		return msg;
	}
	
	public static MimeBodyPart createContent(String body,String filename) throws Exception{
		
		MimeBodyPart contentPart = new MimeBodyPart();
		MimeMultipart contentMultipart = new MimeMultipart("related");
		
		MimeBodyPart htmlBodyPart = new MimeBodyPart();
		htmlBodyPart.setContent(body,"text/html;charset=gb2312");
		contentMultipart.addBodyPart(htmlBodyPart);
		
		MimeBodyPart gifBodyPart = new MimeBodyPart();
		FileDataSource fds = new FileDataSource(filename);
		gifBodyPart.setDataHandler(new DataHandler(fds));
		gifBodyPart.setContentID("it2315_slogo_gif");
		contentMultipart.addBodyPart(gifBodyPart);
		
		contentPart.setContent(contentMultipart);
		
		return contentPart;
		
	}
	
	public static MimeBodyPart createAttachment(String filename) throws Exception{
		
		MimeBodyPart attachPart = new MimeBodyPart();
		FileDataSource fds = new FileDataSource(filename);
		attachPart.setDataHandler(new DataHandler(fds));
		attachPart.setFileName(fds.getName());
		
		return attachPart;
	}

}