browsemail.jsp

J2EE 技术 源码 书籍源代码（j2ee编程技术）

<%@ page contentType="text/html;charset=gb2312"%>
<%@ page language="java" import="java.util.*"%>
<%@ page import="javax.mail.*"%>
<%@ page import="javax.mail.internet.*"%>
<%@ page import="java.io.*"%>
<%@ page import="java.text.SimpleDateFormat"%>

<%
String szUser="teacher";
String szPwd="654321";
String szHost="127.0.0.1";


SimpleDateFormat smpDateFormat;

smpDateFormat=new SimpleDateFormat("yyyy-MM-dd HH:mm");

try{
    Properties props = new Properties(); 
    Session mailsession = Session.getDefaultInstance(props, null);//获取会话对象

    Store store = mailsession.getStore("pop3"); //获取邮箱
    store.connect(szHost,szUser,szPwd);

    Folder folder = store.getFolder("INBOX"); //获取收件箱
    folder.open(Folder.READ_ONLY);
    //folder.open(Folder.READ_WRITE); //讀寫方式,可以刪除郵件

    Message message[] = folder.getMessages();  //获取信件
    
    if(message.length==0){
    //没有邮件
    }
   int nid=0;
    message[nid].setFlag(Flags.Flag.SEEN,true);
    String szFrom=((InternetAddress)message[nid].getFrom()[0]).getAddress(); //取得真實的發件人地址

    String szSubject=MimeUtility.decodeText(message[nid].getSubject());
    String szDate=smpDateFormat.format(message[nid].getSentDate());
    String szBody="";
    String szAttach="";    //Address addrFrom[]=message[nid].getFrom();  //for (k=0;k<addrFrom.length;k++) szFrom=szFrom+ addrFrom[k].toString();

    out.println("<table border='0' width='100%' cellpadding='2'><tr>");
    out.println("<td width='100%' colspan='2' bgcolor='#F0F0F0'>");
    out.println("<table border='0' width='100%' cellpadding='2'><tr>");
    out.println("<td width='15%' align='center'>发件人 :</td>");
    out.println("<td width='85%'><font face='Fixedsys'>" + szFrom +"</font></td></tr>");
    out.println("<tr><td align='center'>日&nbsp;&nbsp;&nbsp; 期 :</td>");
    out.println("<td><font face='Fixedsys'>" + szDate +"</font></td></tr>");
    out.println("<tr><td align='center'>主&nbsp;&nbsp;&nbsp; 题 :</td>");
    out.println("<td>"+ szSubject +"</td></tr></table>");
    out.println("</td></tr>");  
    //提取郵件正文內容    //String szType=message[nid].getContentType();    //提取郵件中的附件
    String szType=message[nid].getContentType();
    System.out.println("正文********" + szType);
    Object out_content = message[nid].getContent();
    if(!(out_content instanceof Multipart)) //無附件
    {
        szBody=message[nid].getContent().toString();
    }else{ //有附件
        Multipart mp = (Multipart)message[nid].getContent();
        String szFile="";
        File ffile;

        String szpath=application.getRealPath("/")+szUser;
       
        ffile = new File(szpath);
        if(!ffile.exists()) ffile.mkdir();
        szpath=szpath+ "//tmp";    
        out.println("szpath: " + szpath );
        String szTmp="";
        ffile = new File(szpath);
        if(!ffile.exists()) ffile.mkdir();
        for (int i=0,n=mp.getCount(); i<n; i++) {
            Part part = mp.getBodyPart(i);
            String szMbp=part.getContentType();
            System.out.println("IDX:" + i+ " :類型" + szMbp);
            String disposition = part.getDisposition();
            if((disposition != null) && ((disposition.equals(Part.ATTACHMENT)||(disposition.equals(Part.INLINE))))){
                //創建一個文件,並從輸入流中流讀取字節,存入到文件中     //MimeUtility.decodeText()            //System.out.println(MimeUtility.decodeText(part.getFileName()));            //out.println("附件: " + MimeUtility.decodeText(part.getFileName())  + " 附件大小" + part.getSize());
                szFile=MimeUtility.decodeText(part.getFileName());
                szTmp=szFile;            
                out.println("FILE: " + szpath + "/" + szFile);
                ffile = new File(szpath + "/" + szFile);      //for (k=0; ffile.exists(); k++){    //    szTmp=k+szFile;            //    System.out.println("FILE: " + szpath + "/" + k+ szFile );            //    ffile = new File(szpath + "/" + k + szFile);            //}            //System.out.println("文件名:"+ szFile);

                FileOutputStream outfile = new FileOutputStream(ffile);
                BufferedInputStream br = new BufferedInputStream(part.getInputStream());
                BufferedOutputStream bw = new BufferedOutputStream(outfile);
                int b;
                while ((b = br.read()) != -1)   bw.write(b);
                bw.flush();
                szAttach=szAttach+"<br><a href='../webmail/" + szUser +"/tmp/"+ szTmp + "'>" + szTmp  + "</a>";
            }else if(disposition==null){
                MimeBodyPart mbp = (MimeBodyPart)part;
                if (mbp.isMimeType("text/plain")||mbp.isMimeType("text/html")){ //普通正文
                    szBody=mbp.getContent().toString();
                    szBody=szBody.replaceAll("\r\n","<br>");
                }else if(mbp.isMimeType("multipart/alternative")) { //HTML正文
                    szBody=((Multipart)part.getContent()).getBodyPart(1).getContent().toString();
                }
            }
        }
    }
    System.out.println("內容:" + szBody);
    out.println("<tr><td width='75%' height='215' valign='top'>" + szBody +"</td>");
    out.println("<td width='25%' bgcolor='#F0F0F0' valign='top'><p align='center'><b>附件</b></p>");
    out.println("<p>"+ szAttach +"</p></td>");
    out.println("</tr><table>");

    //Close connection
    folder.close(false);  //folder.close(true); //如果要刪除有DELETE標記的郵件,需設置true
    store.close();
}
catch(javax.mail.MessagingException  e){
    System.out.println(e.getMessage());
    return ;
}
%>