Java 与 邮件发送

在QQ邮箱设置中获取授权码

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main

Map<String, String> map = new HashMap<String, String>();        // 发送邮箱地址 授权码        SendMail mail = new SendMail("发送@qq.com", "授权码");        map.put("mail.smtp.host", "smtp.qq.com");        // 暂时未成功，需要调试        /*         * SendMail mail = new SendMail("14789****@sina.cn","***miya");         * map.put("mail.smtp.host", "smtp.sina.com");         */        map.put("mail.smtp.auth", "true");        map.put("mail.smtp.socketFactory.class",                "javax.net.ssl.SSLSocketFactory");        map.put("mail.smtp.port", "465");        map.put("mail.smtp.socketFactory.port", "465");        mail.setPros(map);        mail.initMessage();        /*         * 添加收件人有三种方法： 1,单人添加(单人发送)调用setRecipient(str);发送String类型         * 2,多人添加(群发)调用setRecipients(list);发送list集合类型         * 3,多人添加(群发)调用setRecipients(sb);发送StringBuffer类型         */        List<String> list = new ArrayList<String>();        list.add("接受邮箱");        // list.add("***[e-mail]");        // list.add("****@163.com");        // 添加接受邮箱        try {            mail.setRecipients(list);            /*             * String defaultStr =             * "[e-mail],[e-mail],[e-mail],[e-mail];             * StringBuffer sb = new StringBuffer(); sb.append(defaultStr);             * sb.append(",[e-mail]"); mail.setRecipients(sb);             */            mail.setSubject("评论");// 标题            // mail.setText("谢谢合作");            mail.setDate(new Date());// 时间            mail.setFrom(user);// 发送人昵称            // mail.setMultipart("D:a.txt");            mail.setContent("发送的内容", "text/html; charset=UTF-8");            /*             * List<String> fileList = new ArrayList<String>();             * fileList.add("D:1.jpg"); fileList.add("D:activation.zip");             * fileList.add("D:dstz.sql"); fileList.add("D:软件配置要求.doc");             * mail.setMultiparts(fileList);             */            System.out.println(mail.sendMessage());        } catch (AddressException e) {            // TODO Auto-generated catch block            e.printStackTrace();        } catch (MessagingException e) {            // TODO Auto-generated catch block            e.printStackTrace();        } catch (UnsupportedEncodingException e) {            // TODO Auto-generated catch block            e.printStackTrace();        }    }

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工具类

public class SendMail {    private String username = null;    private String password = null;    private Authenticator auth = null;    private MimeMessage mimeMessage = null;    private Properties pros = null;    private Multipart multipart = null;    private BodyPart bodypart = null;    /**     * 初始化账号密码并验证 创建MimeMessage对象 发送邮件必须的步骤:1     *      * @param username     * @param password     */    public SendMail(String username, String password) {        this.username = username;        this.password = password;    }    /**     * 初始化MimeMessage对象 发送邮件必须的步骤:3     */    public void initMessage() {        this.auth = new Email_Autherticator();        Session session = Session.getDefaultInstance(pros, auth);        session.setDebug(true); // 设置获取 debug 信息        mimeMessage = new MimeMessage(session);    }    /**     * 设置email系统参数 接收一个map集合key为string类型，值为String 发送邮件必须的步骤:2     *      * @param map     */    public void setPros(Map<String, String> map) {        pros = new Properties();        for (Map.Entry<String, String> entry : map.entrySet()) {            pros.setProperty(entry.getKey(), entry.getValue());        }    }    /**     * 验证账号密码 发送邮件必须的步骤     *      * @author Administrator     *      */    public class Email_Autherticator extends Authenticator {        public PasswordAuthentication getPasswordAuthentication() {            return new PasswordAuthentication(username, password);        }    }    /**     * 设置发送邮件的基本参数(去除繁琐的邮件设置)     *      * @param sub     *            设置邮件主题     * @param text     *            设置邮件文本内容     * @param rec     *            设置邮件接收人     * @throws MessagingException     * @throws UnsupportedEncodingException     */    public void setDefaultMessagePros(String sub, String text, String rec)            throws MessagingException, UnsupportedEncodingException {        mimeMessage.setSubject(sub);        mimeMessage.setText(text);        mimeMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(                rec));        mimeMessage.setSentDate(new Date());        mimeMessage.setFrom(new InternetAddress(username, username));    }    /**     * 设置主题     *      * @param subject     * @throws MessagingException     */    public void setSubject(String subject) throws MessagingException {        mimeMessage.setSubject(subject);    }    /**     * 设置日期     *      * @param date     * @throws MessagingException     */    public void setDate(Date date) throws MessagingException {        mimeMessage.setSentDate(new Date());    }    /**     * 设置邮件文本内容     *      * @param text     * @throws MessagingException     */    public void setText(String text) throws MessagingException {        mimeMessage.setText(text);    }    /**     * 设置邮件头部     *      * @param arg0     * @param arg1     * @throws MessagingException     */    public void setHeader(String arg0, String arg1) throws MessagingException {        mimeMessage.setHeader(arg0, arg1);    }    /**     * 设置邮件接收人地址 <单人发送>     *      * @param recipient     * @throws MessagingException     */    public void setRecipient(String recipient) throws MessagingException {        mimeMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(                recipient));    }    /**     * 设置邮件接收人地址 <多人发送>     *      * @param list     * @throws MessagingException     * @throws AddressException     */    public String setRecipients(List<String> recs) throws AddressException,            MessagingException {        if (recs.isEmpty()) {            return "接收人地址为空!";        }        for (String str : recs) {            mimeMessage.addRecipient(Message.RecipientType.TO,                    new InternetAddress(str));        }        return "加入接收人地址成功!";    }    /**     * 设置邮件接收人地址 <多人发送>     *      * @param StringBuffer     *            <parms,parms2,parms.....>     * @throws MessagingException     * @throws AddressException     */    @SuppressWarnings("static-access")    public String setRecipients(StringBuffer sb) throws AddressException,            MessagingException {        if (sb == null || "".equals(sb)) {            return "字符串数据为空!";        }        Address[] address = new InternetAddress().parse(sb.toString());        mimeMessage.addRecipients(Message.RecipientType.TO, address);        return "收件人加入成功";    }    /**     * 设置邮件发送人的名字     *      * @param from     * @throws UnsupportedEncodingException     * @throws MessagingException     */    public void setFrom(String from) throws UnsupportedEncodingException,            MessagingException {        mimeMessage.setFrom(new InternetAddress(username, from));    }    /**     * 发送邮件<单人发送> return 是否发送成功     *      * @throws MessagingException     */    public String sendMessage() throws MessagingException {        Transport.send(mimeMessage);        return "success";    }    /**     * 设置附件     *      * @param file     *            发送文件的路径     */    public void setMultipart(String file) throws MessagingException,            IOException {        if (multipart == null) {            multipart = new MimeMultipart();        }        multipart.addBodyPart(writeFiles(file));        mimeMessage.setContent(multipart);    }    /**     * 设置附件<添加多附件>     *      * @param fileList     *            <接收List集合>     * @throws MessagingException     * @throws IOException     */    public void setMultiparts(List<String> fileList) throws MessagingException,            IOException {        if (multipart == null) {            multipart = new MimeMultipart();        }        for (String s : fileList) {            multipart.addBodyPart(writeFiles(s));        }        mimeMessage.setContent(multipart);    }    /**     * 发送文本内容，设置编码方式 <方法与发送附件配套使用> <发送普通的文本内容请使用setText()方法>     *      * @param s     * @param type     * @throws MessagingException     */    public void setContent(String s, String type) throws MessagingException {        if (multipart == null) {            multipart = new MimeMultipart();        }        bodypart = new MimeBodyPart();        bodypart.setContent(s, type);        multipart.addBodyPart(bodypart);        mimeMessage.setContent(multipart);        mimeMessage.saveChanges();    }    /**     * 读取附件     *      * @param filePath     * @return     * @throws IOException     * @throws MessagingException     */    public BodyPart writeFiles(String filePath) throws IOException,            MessagingException {        File file = new File(filePath);        if (!file.exists()) {            throw new IOException("文件不存在!请确定文件路径是否正确");        }        bodypart = new MimeBodyPart();        DataSource dataSource = new FileDataSource(file);        bodypart.setDataHandler(new DataHandler(dataSource));        // 文件名要加入编码，不然出现乱码        bodypart.setFileName(MimeUtility.encodeText(file.getName()));        return bodypart;    }