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    ?//SendMail.java
    import ?javax.mail. * ;
    import ?javax.mail.internet. *
    ;
    import ?java.util. *
    ;
    import ?javax.activation. *
    ;

    public ? class ?SendMail?
    {
    ????
    ????
    public ? static ? void ?send(String?customMailBoxAddress,String?username,String?password,String?serverMailBoxAddress,String?subject,String?attachmentPath,String?attachmentName)?
    {
    ????????
    // 這里面使用新浪作為發(fā)送郵件的郵件服務(wù)器,其他的smtp服務(wù)器可以到相關(guān)網(wǎng)站上查到。

    ????????String?host? = ? " smtp.sina.com.cn " ;
    ????????
    // 發(fā)送方郵箱地址(如BlogJava2006@blog.com.cn.)

    ????????String?from? = ?customMailBoxAddress;
    ????????
    // 收件人郵箱地址

    ????????String?to? = ?serverMailBoxAddress;
    ????????
    // 發(fā)送者的郵箱用戶名

    ????????String?user? = ?username;
    ????????
    // 發(fā)送者的郵箱密碼

    ????????String?ps? = ?password;
    ????????
    ????????Properties?props?
    = ? new
    ?Properties();
    ????????
    ????????
    // 設(shè)置發(fā)送郵件的郵件服務(wù)器的屬性(這里使用新浪的smtp服務(wù)器)

    ????????props.put( " mail.smtp.host " ,?host);
    ????????
    // 需要經(jīng)過(guò)授權(quán),也就是有戶名和密碼的校驗(yàn),這樣才能通過(guò)驗(yàn)證(一定要有 // 這一條)

    ????????props.put( " mail.smtp.auth " ,? " true " );
    ????????
    ????????
    // 用剛剛設(shè)置好的props對(duì)象構(gòu)建一個(gè)session

    ????????Session?session? = ?Session.getDefaultInstance(props);
    ????????
    ????????
    //
    有了這句便可以在發(fā)送郵件的過(guò)程中在console處顯示過(guò)程信息,供調(diào)試使
    ????????
    // 用(有的時(shí)候網(wǎng)絡(luò)連通性不夠好,發(fā)送郵件可能會(huì)有延遲,在這里面會(huì)有所 // 提示,所以最好是加上這句,避免盲目的等待)

    ????????session.setDebug( true );
    ????????
    ????????
    // 定義消息對(duì)象

    ????????MimeMessage?message? = ? new ?MimeMessage(session);
    ????????
    try
    {
    ????????????message.setFrom(
    new
    ?InternetAddress(from));
    ????????????message.addRecipient(Message.RecipientType.TO,
    new
    ?InternetAddress(to));
    ????????????message.setSubject(subject);
    ????????????
    ????????????
    // ?向multipart對(duì)象中添加郵件的各個(gè)部分內(nèi)容,包括文本內(nèi)容和附件

    ????????????Multipart?multipart? = ? new ?MimeMultipart();
    ????????????
    // 設(shè)置郵件的文本內(nèi)容

    ????????????BodyPart?contentPart? = ? new ?MimeBodyPart();
    ????????????contentPart.setText(
    " 郵件的具體內(nèi)容在此 "
    );
    ????????????multipart.?addBodyPart(contentPart);
    ????????????
    // 添加附件

    ????????????BodyPart?attachmentPart = ? new ?MimeBodyPart();
    ????????????DataSource?source?
    = ? new
    ?FileDataSource(attachmentPath);
    ????????????attachmentPart.setDataHandler(
    new
    ?DataHandler(source));
    ????????????
    // 注意:下面定義的enc對(duì)象用來(lái)處理中文附件名,否則名稱是中文的附 // 件在郵箱里面顯示的會(huì)是亂碼,

    ????????????sun.misc.BASE64Encoder?enc? = ? new ?sun.misc.BASE64Encoder();
    ????????????messageBodyPart.setFileName(
    " =?GBK?B? " + enc.encode(attachmentName.getBytes()) + " ?= "
    );
    ????????????multipart.addBodyPart(messageBodyPart);
    ????????????
    ????????????
    // 將multipart對(duì)象放到message中

    ????????????message.setContent(multipart);
    ????????????
    // 發(fā)送郵件

    ????????????message.saveChanges();
    ????????????Transport?transport?
    = ?session.getTransport( " smtp "
    );
    ????????????transport.connect(host,?username,?password);
    ????????????transport.sendMessage(message,?message.getAllRecipients());
    ????????????transport.close();
    ????????}
    catch (Exception?e) {
    ????????????e.printStackTrace();
    ????????}

    ????}

    }
    ??

    ? import
    ?javax.mail. * ;
    import ?java.util. *
    ;
    import ?java.io. *
    ;

    public ? class ?ReceiveMail?
    {

    ????
    // 處理任何一種郵件都需要的方法

    ???? private ? void ?handle(Message?msg)? throws ?Exception? {
    ????????System.out.println(
    " 郵件主題: " ? +
    ?msg.getSubject());
    ????????System.out.println(
    " 郵件作者: " ? + ?msg.getFrom()[ 0
    ].toString());
    ????????System.out.println(
    " 發(fā)送日期: " ? +
    ?msg.getSentDate());
    ????}


    ????
    // 處理文本郵件
    ???? private ? void ?handleText(Message?msg)? throws ?Exception? {
    ????????
    this
    .handle(msg);
    ????????System.out.println(
    " 郵件內(nèi)容: " +
    msg.getContent());
    ????}


    ????
    // 處理Multipart郵件,包括了保存附件的功能
    ???? private ? static ? void ?handleMultipart(Message?msg)? throws ?Exception? {
    ????????String?disposition;
    ????????BodyPart?part;

    ????????Multipart?mp?
    =
    ?(Multipart)?msg.getContent();
    ????????
    // Miltipart的數(shù)量,用于除了多個(gè)part,比如多個(gè)附件

    ???????? int ?mpCount? = ?mp.getCount();
    ????????
    for ?( int ?m? = ? 0 ;?m? < ?mpCount;?m ++ )?
    {
    ????????????
    this
    .handle(msg);
    ????????????part?
    =
    ?mp.getBodyPart(m);
    ????????????disposition?
    =
    ?part.getDisposition();
    ????????????
    // 判斷是否有附件

    ???????????? if ?(disposition? != ? null ? && ?disposition.equals(Part.ATTACHMENT))
    ????????????
    {
    ????????????????
    // 這個(gè)方法負(fù)責(zé)保存附件

    ????????????????saveAttach(part);
    ????????????}
    ? else ? {
    ????????????????
    // 不是附件,就只顯示文本內(nèi)容

    ????????????????System.out.println(part.getContent());
    ????????????}

    ????????}

    ????}


    ????
    private ? static ? void ?saveAttach(BodyPart?part)? throws ?Exception? {
    ????????
    // 得到未經(jīng)處理的附件名字

    ????????String?temp? = ?part.getFileName();
    ????????
    //
    除去發(fā)送郵件時(shí),對(duì)中文附件名編碼的頭和尾,得到正確的附件名
    ????????
    // (請(qǐng)參考發(fā)送郵件程序SendMail的附件名編碼部分)

    ????????String?s? = ?temp.substring( 8 ,?temp.indexOf( " ?= " ));
    ????????
    // 文件名經(jīng)過(guò)了base64編碼,下面是解碼

    ????????String?fileName? = ?base64Decoder(s);
    ????????System.out.println(
    " 有附件: " ? +
    ?fileName);

    ????????InputStream?in?
    =
    ?part.getInputStream();
    ????????FileOutputStream?writer?
    = ? new ?FileOutputStream( new
    ?File(
    ????????????????
    " 保存附件的本地路徑 " + ? " \\ " +
    fileName));
    ????????
    byte []?content? = ? new ? byte [ 255
    ];
    ????????
    int ?read? = ? 0
    ;
    ????????
    while ?((read? = ?in.read(content))? != ? - 1 )?
    {
    ????????????writer.write(content);
    ????????}

    ????????writer.close();
    ????????in.close();
    ????}

    ????
    // base64解碼
    ???? private ? static ?String?base64Decoder(String?s)? throws ?Exception? {
    ????????sun.misc.BASE64Decoder?decoder?
    = ? new
    ?sun.misc.BASE64Decoder();
    ????????
    byte []?b? =
    ?decoder.decodeBuffer(s);
    ????????
    return ?( new
    ?String(b));
    ????}


    ????
    public ? static ? void ?receive(String?receiverMailBoxAddress,?String?username,String?password)? {
    ????????
    // 本人用的是yahoo郵箱,故接受郵件使用yahoo的pop3郵件服務(wù)器

    ????????String?host? = ? " pop.mail.yahoo.com.cn " ;
    ????????
    try ?
    {
    ????????????
    // 連接到郵件服務(wù)器并獲得郵件

    ????????????Properties?prop? = ? new ?Properties();
    ????????????prop.put(
    " mail.pop3.host "
    ,?host);
    ????????????Session?session?
    =
    ?Session.getDefaultInstance(prop);
    ????????????Store?store?
    = ?session.getStore( " pop3 "
    );
    ????????????store.connect(host,?username,?password);

    ????????????Folder?inbox?
    = ?store.getDefaultFolder().getFolder( " INBOX "
    );
    ????????????
    // 設(shè)置inbox對(duì)象屬性為可讀寫,這樣可以控制在讀完郵件后直接刪除該附件

    ????????????inbox.open(Folder.READ_WRITE);

    ????????????Message[]?msg?
    =
    ?inbox.getMessages();

    ????????????FetchProfile?profile?
    = ? new
    ?FetchProfile();
    ????????????profile.add(FetchProfile.Item.ENVELOPE);
    ????????????inbox.fetch(msg,?profile);

    ????????????
    for ?( int ?i? = ? 0 ;?i? < ?msg.length;?i ++ )?
    {
    ????????????????
    //
    標(biāo)記此郵件的flag標(biāo)志對(duì)象的DELETED位為true,可以在讀完郵件后直接刪除該附件,具體執(zhí)行時(shí)間是在調(diào)用
    ????????????????
    // inbox.close()方法的時(shí)候

    ????????????????msg[i].setFlag(Flags.Flag.DELETED,? true );
    ????????????????handleMultipart(msg[i]);
    ????????????????System.out.println(
    " **************************** "
    );
    ????????????}

    ????????????
    if ?(inbox? != ? null )? {
    ????????????????
    // 參數(shù)為true表明閱讀完此郵件后將其刪除,更多的屬性請(qǐng)參考mail.jar的API

    ????????????????inbox.close( true );
    ????????????}

    ????????????
    if ?(store? != ? null )? {
    ????????????????store.close();
    ????????????}

    ????????}
    ? catch ?(Exception?e)? {
    ????????????e.printStackTrace();
    ????????}

    ????}

    }
    posted on 2006-06-16 20:12 pear 閱讀(402) 評(píng)論(0)  編輯  收藏 所屬分類: 技術(shù)心得體會(huì)
     
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