displayhead.java

关于JAVA邮件开发的源代码...很有参考价值的源代码

package org.it315;
import java.io.IOException;
import java.io.PrintWriter;
import java.text.DateFormat;
import javax.mail.BodyPart;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.Multipart;
import javax.mail.internet.MimeUtility;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class DisplayHead extends HttpServlet 
{
	public void doGet(HttpServletRequest request, HttpServletResponse response)
					  throws ServletException, IOException 
	{
		response.setContentType("text/html;charset=gb2312");
		PrintWriter out = response.getWriter();
		HttpSession session = request.getSession();
		int msgnum = Integer.parseInt(request.getParameter("msgnum"));
		Folder folder = (Folder)session.getAttribute("folder");

		try
		{
			Message msg = folder.getMessage(msgnum);
			String from = msg.getFrom()[0].toString();
			String subject = msg.getSubject();
			String sendDate = 
				   DateFormat.getInstance().format(msg.getSentDate());
			out.println("邮件主题：" + subject + "<br/>");
			out.println(" 发件人:"+ from +"<br/>");
			out.println("发送日期："+ sendDate +"<br/><br/>");
			System.out.println(msg.getContentType());			
			if(msg.isMimeType("multipart/*"))
			{
				Multipart mp = (Multipart)msg.getContent();
				for(int i=0;i<mp.getCount();i++)
				{
					BodyPart bp = mp.getBodyPart(i);
					if(bp.getDisposition()!=null)
					{
						String filename = bp.getFileName();
						System.out.println(filename);
						if(filename.startsWith("=?"))
						{
							filename = MimeUtility.decodeText(filename);
						}
						out.print("附件：");
						out.print("<a href=HandleAttach?msgnum=" + msgnum +
								  "&&bodynum=" + i + "&&filename=" + filename + ">" 
								  + filename + "</a><br/>");
					}
				}
			}
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}
}