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

原文地址:https://www.cnblogs.com/chenyangwang/p/9459856.html