javamail 附件以及正文加图片

直接上代码

import java.io.IOException;
import java.io.InputStream;
import java.util.Date;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.mail.Address;
import javax.mail.Authenticator;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import javax.mail.internet.MimeUtility;
import javax.mail.util.ByteArrayDataSource;

import org.apache.commons.httpclient.HttpException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.ResourceLoader;
import org.springframework.stereotype.Service;

import com.cdp.api.onboarding.onboardingenum.AttachmentTypeEnum;

@Service
public class MailService {
    @Value("${ALIDM_SMTP_AUTH}")
    private String ALIDM_SMTP_AUTH;

    @Value("${ALIDM_SMTP_HOST}")
    private String ALIDM_SMTP_HOST;

    @Value("${ALIDM_SMTP_PORT}")
    private String ALIDM_SMTP_PORT;

    @Value("${ALIDM_SMTP_MAIL_USER}")
    private String ALIDM_SMTP_MAIL_USER;

    @Value("${ALIDM_SMTP_MAIL_PASSWORD}")
    private String ALIDM_SMTP_MAIL_PASSWORD;

    @Value("${ALIDM_SMTP_MAIL_FROM}")
    private String ALIDM_SMTP_MAIL_FROM;

    @Value("${ALIDM_SMTP_MAIL_FROM_PERSONAL}")
    private String ALIDM_SMTP_MAIL_FROM_PERSONAL;

    @Value("${ALIDM_SMTP_MAIL_FROM_CHARSET}")
    private String ALIDM_SMTP_MAIL_FROM_CHARSET;

    @Value("${ALIDM_SMTP_MAIL_REPLY}")
    private String ALIDM_SMTP_MAIL_REPLY;

    @Value("${QRCODEPICTUREURL}")
    private String ORCODEPATH;

    @Autowired
    private ResourceLoader resourceLoader;

    /**
     * 阿里云smtp邮件服务
     *
     * @param mailTo
     * @param mailSubject
     * @param mailText
     * @param list
     * @throws MessagingException
     * @throws HttpException
     * @throws IOException
     */
    public boolean sendMail(String mailTo, String mailSubject, String mailText)
            throws Exception {
        return sendMail(mailTo, mailSubject, mailText, null);
    }

    public boolean sendMail(String mailTo, String mailSubject, String mailText,
            List<Map<Integer, InputStream>> list) throws Exception {
        boolean flag = false;

        // 配置发送邮件的环境属性
        final Properties props = new Properties();
        // 表示SMTP发送邮件，需要进行身份验证
        props.put("mail.smtp.auth", ALIDM_SMTP_AUTH);
        props.put("mail.smtp.host", ALIDM_SMTP_HOST);
        props.put("mail.smtp.port", ALIDM_SMTP_PORT);
        // 如果使用ssl，则去掉使用25端口的配置，进行如下配置,
        // props.put("mail.smtp.socketFactory.class",
        // "javax.net.ssl.SSLSocketFactory");
        // props.put("mail.smtp.socketFactory.port", "465");
        // props.put("mail.smtp.port", "465");
        // 发件人的账号
        props.put("mail.user", ALIDM_SMTP_MAIL_USER);
        // 访问SMTP服务时需要提供的密码
        props.put("mail.password", ALIDM_SMTP_MAIL_PASSWORD);
        // 构建授权信息，用于进行SMTP进行身份验证
        Authenticator authenticator = new Authenticator() {
            @Override
            protected PasswordAuthentication getPasswordAuthentication() {
                // 用户名、密码
                String userName = props.getProperty("mail.user");
                String password = props.getProperty("mail.password");
                return new PasswordAuthentication(userName, password);
            }
        };
        // 使用环境属性和授权信息，创建邮件会话
        Session mailSession = Session.getInstance(props, authenticator);
        // mailSession.setDebug(true);
        // 创建邮件消息
        MimeMessage message = new MimeMessage(mailSession);
        try {
            // 设置发件人
            InternetAddress from = new InternetAddress(ALIDM_SMTP_MAIL_FROM,
                    ALIDM_SMTP_MAIL_FROM_PERSONAL, ALIDM_SMTP_MAIL_FROM_CHARSET);
            message.setFrom(from);
            Address[] a = new Address[1];
            a[0] = new InternetAddress(ALIDM_SMTP_MAIL_REPLY);
            message.setReplyTo(a);
            // 设置收件人
            InternetAddress to = new InternetAddress(mailTo);
            message.setRecipient(MimeMessage.RecipientType.TO, to);
            // 设置邮件标题
            message.setSubject(mailSubject);
            // 设置邮件的内容体
            MimeMultipart mp = new MimeMultipart("related");
            MimeBodyPart mbpContent = new MimeBodyPart();
            // 判断模版是否要加二维码图片
            if (mailText.contains("${MAIL_PHOTO}")) {
                mailText = mailText
                        .replace("${MAIL_PHOTO}",
                                "<img src=\"cid:image\" width='254' height='254' border='0'>");
                mbpContent.setContent(mailText, "text/html; charset=utf-8");
                mp.addBodyPart(mbpContent);
                InputStream ins = resourceLoader.getResource(ORCODEPATH).getInputStream();
                DataSource dataSource4 = new ByteArrayDataSource(ins,
                        "image/jpeg");
                MimeBodyPart image = new MimeBodyPart();
                DataHandler dataHandler4 = new DataHandler(dataSource4);
                image.setDataHandler(dataHandler4);
                image.setHeader("Content-ID", "image");
                image.setFileName(dataHandler4.getName());
                mp.addBodyPart(image);
                ins.close();
            } else {
                mbpContent.setContent(mailText, "text/html; charset=utf-8");
                mp.addBodyPart(mbpContent);
            }
            /* 往邮件中添加附件 */
            if (list != null && list.size() > 0) {
                for (int i = 0; i < list.size(); i++) {
                    Map<Integer, InputStream> map = list.get(i);

                    //这里取了map的key值
                    Iterator<Integer> iter = map.keySet().iterator();
                    while (iter.hasNext()) {
                        Integer key = Integer.parseInt(String.valueOf(iter
                                .next()));
                        InputStream ins = map.get(key);
　　　　　　　　　　　　　　　　//这里加了个枚举
                        switch (AttachmentTypeEnum.getByValue(key)) {
                        case PNGJPG:
                            MimeBodyPart messageBodyPart = new MimeBodyPart();
                            messageBodyPart.removeHeader("Content-Type");
                            messageBodyPart
                                    .removeHeader("Content-Transfer-Encoding");
                            messageBodyPart.addHeader("Content-Type",
                                    "text/html; charset=gbk");
                            messageBodyPart.addHeader(
                                    "Content-Transfer-Encoding", "base64");
                            DataSource dataSource1 = new ByteArrayDataSource(
                                    ins, "application/png");
                            DataHandler dataHandler1 = new DataHandler(
                                    dataSource1);
                            messageBodyPart.setDataHandler(dataHandler1);
                            messageBodyPart.setFileName(MimeUtility
                                    .encodeText("附件.jpg"));
                            mp.addBodyPart(messageBodyPart);
                            ins.close();
                            break;
                        case WORD:
                            MimeBodyPart messageBodyPart2 = new MimeBodyPart();
                            messageBodyPart2.removeHeader("Content-Type");
                            messageBodyPart2
                                    .removeHeader("Content-Transfer-Encoding");
                            messageBodyPart2.addHeader("Content-Type",
                                    "text/html; charset=gbk");
                            messageBodyPart2.addHeader(
                                    "Content-Transfer-Encoding", "base64");
                            DataSource dataSource2 = new ByteArrayDataSource(
                                    ins, "application/docx");
                            DataHandler dataHandler2 = new DataHandler(
                                    dataSource2);
                            messageBodyPart2.setDataHandler(dataHandler2);
                            messageBodyPart2.setFileName(MimeUtility
                                    .encodeText("附件.docx"));
                            mp.addBodyPart(messageBodyPart2);
                            ins.close();
                            break;
                        case EXCEL:
                            MimeBodyPart messageBodyPart3 = new MimeBodyPart();
                            messageBodyPart3.removeHeader("Content-Type");
                            messageBodyPart3
                                    .removeHeader("Content-Transfer-Encoding");
                            messageBodyPart3.addHeader("Content-Type",
                                    "text/html; charset=gbk");
                            messageBodyPart3.addHeader(
                                    "Content-Transfer-Encoding", "base64");
                            DataSource dataSource3 = new ByteArrayDataSource(
                                    ins, "application/xlsx");
                            DataHandler dataHandler3 = new DataHandler(
                                    dataSource3);
                            messageBodyPart3.setDataHandler(dataHandler3);
                            messageBodyPart3.setFileName(MimeUtility
                                    .encodeText("附件.xlsx"));
                            mp.addBodyPart(messageBodyPart3);
                            ins.close();
                            break;
                        case MAILPHOTO:
                            MimeBodyPart image = new MimeBodyPart();
                            DataSource dataSource4 = new ByteArrayDataSource(
                                    ins, "image/jpeg");
                            DataHandler dataHandler4 = new DataHandler(
                                    dataSource4);
                            image.setDataHandler(dataHandler4);
                            image.setHeader("Content-ID", "a00000002");
                            image.setFileName(dataHandler4.getName());
                            mp.addBodyPart(image);
                            ins.close();
                            break;
                        }
                    }
                }

            }
            message.setContent(mp);
            message.setSentDate(new Date());
            // 发送邮件
            Transport.send(message);

            flag = true;
        } catch (AddressException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            throw new RuntimeException(e.getMessage());
        } catch (MessagingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            throw new RuntimeException(e.getMessage());
        }

        return flag;
    }
}

有时在想  一直使用spring感觉会让自己越来越笨，各种写好的注解真的很方便啊