邮件发送,包括发送图片

package com.timelyreport.common.tools;
import java.io.File;
import java.io.UnsupportedEncodingException;
import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.BodyPart;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Session;
import javax.mail.Transport;
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;

/**
 * 邮件管理器
 * java 实现邮件的发送, 抄送及多附件
 * @version 1.0
 */
public class EmailPicManager {

    public static String username = "xxxxx@xxx.cn"; // 服务邮箱(from邮箱)
    public static String password = "xxx"; // 邮箱密码
    public static String senderNick = "xcc";   // 发件人昵称

    private Properties props; // 系统属性 
    private Session session; // 邮件会话对象 
    private MimeMessage mimeMsg; // MIME邮件对象 
    private Multipart mp;   // Multipart对象,邮件内容,标题,附件等内容均添加到其中后再生成MimeMessage对象 

    private static EmailPicManager instance = null; 

    public EmailPicManager() {
        props = System.getProperties();
        props.put("mail.smtp.auth", "true");
        props.put("mail.transport.protocol", "smtp");
        props.put("mail.smtp.host", "smtphm.qiye.163.com");//smtp.163.com
        props.put("mail.smtp.port", "25");
        props.put("username", username);
        props.put("password", password);
        props.put("mail.debug", "true");
        // 建立会话
        session = Session.getDefaultInstance(props);	//getDefaultInstance是个单例方法,
        session.setDebug(false);
    }
    
    public  EmailPicManager(String username,String password) {
        props = System.getProperties();
        props.put("mail.smtp.auth", "true");
        props.put("mail.transport.protocol", "smtp");
        props.put("mail.smtp.host", "smtphm.qiye.163.com");//smtp.163.com
        props.put("mail.smtp.port", "25");
        props.put("username", username);
        props.put("password", password);
        props.put("mail.debug", "true");
        // 建立会话
        session = Session.getInstance(props);  //此方法直接返回新对象
        session.setDebug(false);
    }

    public static EmailPicManager getInstance() {
        if (instance == null) {
        }
        instance = new EmailPicManager();
        return instance; 
    }

    /**
     * 发送邮件
     * @param from 发件人
     * @param to 收件人
     * @param copyto 抄送
     * @param subject 主题
     * @param content 内容
     * @param fileList 附件列表
     * @return
     */
    public boolean sendMail(String from, String[] to, String[] copyto, String subject, String content, String[] fileList) {
        boolean success = true;
        try {
            System.getProperties().setProperty("mail.mime.splitlongparameters", "false");
        	
            mimeMsg = new MimeMessage(session);
            mp = new MimeMultipart(); 

            // 自定义发件人昵称
            String nick = "";
            try {
                nick = javax.mail.internet.MimeUtility.encodeText(senderNick);
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            // 设置发件人
//          mimeMsg.setFrom(new InternetAddress(from));
            mimeMsg.setFrom(new InternetAddress(from, nick));
            // 设置收件人
            if (to != null && to.length > 0) {
                String toListStr = getMailList(to);
                mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(toListStr));
            }
            // 设置抄送人
            if (copyto != null && copyto.length > 0) {
                String ccListStr = getMailList(copyto);
                mimeMsg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(ccListStr)); 
            }
            // 设置主题
            mimeMsg.setSubject(subject);
            // 设置正文
            BodyPart bp = new MimeBodyPart(); 
            bp.setContent(content, "text/html;charset=utf-8");
            mp.addBodyPart(bp);
            
            // 设置附件
            if (fileList != null && fileList.length > 0) {
                for (int i = 0; i < fileList.length; i++) {
                    bp = new MimeBodyPart();
                    FileDataSource fds = new FileDataSource(fileList[i]); 
                    bp.setDataHandler(new DataHandler(fds)); 
                    bp.setFileName(MimeUtility.encodeText(fds.getName(), "UTF-8", "B"));
                    mp.addBodyPart(bp); 
                }
            }
            mimeMsg.setContent(mp); 
            mimeMsg.saveChanges(); 
            // 发送邮件
            if (props.get("mail.smtp.auth").equals("true")) {
                Transport transport = session.getTransport("smtp"); 
                transport.connect((String)props.get("mail.smtp.host"), (String)props.get("username"), (String)props.get("password")); 
//              transport.sendMessage(mimeMsg, mimeMsg.getRecipients(Message.RecipientType.TO)); 
//              transport.sendMessage(mimeMsg, mimeMsg.getRecipients(Message.RecipientType.CC));
                transport.sendMessage(mimeMsg, mimeMsg.getAllRecipients());
                transport.close(); 
            } else {
                Transport.send(mimeMsg);
            }
            System.out.println("邮件发送成功");
        } catch (MessagingException e) {
            e.printStackTrace();
            success = false;
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
            success = false;
        }
        return success;
    }
    
    /**
     * 发送可在正文展示图片的邮件
     * @param from 发件人
     * @param to 收件人
     * @param copyto 抄送
     * @param subject 主题
     * @param content 内容
     * @param fileList 附件列表
     * @return
     */
    public boolean sendShowPicMail(String tos, String copytos, String subject, 
    		String content, String[] fileList,String sendName) {
    	String from = username;
    	String[] to = tos.split(",");
    	String[] copyto = copytos.split(",");
    	System.out.println(from+":session地址为:"+session);
    	System.out.println(from+":props地址为:"+props);
        boolean success = true;
        try {
            mimeMsg = new MimeMessage(session);
            mp = new MimeMultipart(); 

            // 自定义发件人昵称
            String nick = "";
            try {
                nick = javax.mail.internet.MimeUtility.encodeText(sendName);
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            // 设置发件人
//          mimeMsg.setFrom(new InternetAddress(from));
            mimeMsg.setFrom(new InternetAddress(from, nick));
            // 设置收件人
            if (to != null && to.length > 0) {
                String toListStr = getMailList(to);
                mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(toListStr));
            }
            // 设置抄送人
            if (copyto != null && copyto.length > 0) {
                String ccListStr = getMailList(copyto);
                mimeMsg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(ccListStr)); 
            }
            // 设置主题
            mimeMsg.setSubject(subject);
            // 设置正文
            BodyPart bp = new MimeBodyPart(); 
            bp.setContent(content, "text/html;charset=utf-8");
            mp.addBodyPart(bp);
            
            File file = null;
            // 设置附件
            if (fileList != null && fileList.length > 0) {
                for (int i = 0; i < fileList.length; i++) {
                    bp = new MimeBodyPart();
                    // 根据附件文件创建文件数据源
					file = new File(fileList[i]);
                    FileDataSource fds = new FileDataSource(file); 
                    bp.setDataHandler(new DataHandler(fds)); 
                    bp.setFileName(MimeUtility.encodeText(fds.getName(), "UTF-8", "B"));
                    if(file.getName().contains(".jpg") || file.getName().contains(".png") ){
                    	((MimeBodyPart) bp).setContentID(file.getName().replace(".jpg", "").replace(".png", ""));
                    }
                    mp.addBodyPart(bp); 
                }
            }
            mimeMsg.setContent(mp); 
            mimeMsg.saveChanges(); 
            // 发送邮件
            if (props.get("mail.smtp.auth").equals("true")) {
                Transport transport = session.getTransport("smtp"); 
                transport.connect((String)props.get("mail.smtp.host"), (String)props.get("username"), (String)props.get("password")); 
//              transport.sendMessage(mimeMsg, mimeMsg.getRecipients(Message.RecipientType.TO)); 
//              transport.sendMessage(mimeMsg, mimeMsg.getRecipients(Message.RecipientType.CC));
                transport.sendMessage(mimeMsg, mimeMsg.getAllRecipients());
                transport.close(); 
            } else {
                Transport.send(mimeMsg);
            }
            System.out.println("邮件发送成功");
        } catch (MessagingException e) {
            e.printStackTrace();
            success = false;
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
            success = false;
        }
        return success;
    }

    /**
     * 发送邮件
     * @param from 发件人
     * @param to 收件人, 多个Email以英文逗号分隔
     * @param cc 抄送, 多个Email以英文逗号分隔
     * @param subject 主题
     * @param content 内容
     * @param fileList 附件列表
     * @return
     */
    public boolean sendMail(String to, String cc, String subject, String content, String[] fileList) {
    	String from = username;
        boolean success = true;
        try {
            mimeMsg = new MimeMessage(session);
            mp = new MimeMultipart(); 

            // 自定义发件人昵称
            String nick = "";
            try {
                nick = javax.mail.internet.MimeUtility.encodeText(senderNick);
            } catch (UnsupportedEncodingException e) {
                e.printStackTrace();
            }
            // 设置发件人
//          mimeMsg.setFrom(new InternetAddress(from));
            mimeMsg.setFrom(new InternetAddress(from, nick));
            // 设置收件人
            if (to != null && to.length() > 0) {
                mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
            }
            // 设置抄送人
            if (cc != null && cc.length() > 0) {
                mimeMsg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(cc)); 
            }
            // 设置主题
            mimeMsg.setSubject(subject);
            // 设置正文
            BodyPart bp = new MimeBodyPart(); 
            bp.setContent(content, "text/html;charset=utf-8");
            mp.addBodyPart(bp);
            // 设置附件
            if (fileList != null && fileList.length > 0) {
                for (int i = 0; i < fileList.length; i++) {
                    bp = new MimeBodyPart();
                    FileDataSource fds = new FileDataSource(fileList[i]); 
                    bp.setDataHandler(new DataHandler(fds)); 
                    bp.setFileName(MimeUtility.encodeText(fds.getName(), "UTF-8", "B"));
                    mp.addBodyPart(bp); 
                }
            }
            mimeMsg.setContent(mp); 
            mimeMsg.saveChanges(); 
            // 发送邮件
            if (props.get("mail.smtp.auth").equals("true")) {
                Transport transport = session.getTransport("smtp"); 
                transport.connect((String)props.get("mail.smtp.host"), (String)props.get("username"), (String)props.get("password")); 
                transport.sendMessage(mimeMsg, mimeMsg.getAllRecipients());
                transport.close(); 
            } else {
                Transport.send(mimeMsg);
            }
            System.out.println("邮件发送成功");
        } catch (MessagingException e) {
            e.printStackTrace();
            success = false;
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
            success = false;
        }
        return success;
    }

    public String getMailList(String[] mailArray) {
        StringBuffer toList = new StringBuffer();
        int length = mailArray.length;
        if (mailArray != null && length < 2) {
            toList.append(mailArray[0]);
        } else {
            for (int i = 0; i < length; i++) {
                toList.append(mailArray[i]);
                if (i != (length - 1)) {
                    toList.append(",");
                }

            }
        }
        return toList.toString();
    }

    public static void main(String[] args) {
        String to = "xuchangcheng@xxx.cn";
        String date = "2019-07-22";
        String subject = "品类标签报告"+date;
        String pictureName = "pic.png";
        String content = "Dear All:<br/><br/>&nbsp;&nbsp;&nbsp;&nbsp;"+date+"品类标签报告:<br/>"
 		       + "<br/>"
 		       + "<br/><img src='cid:"+pictureName.replace(".jpg", "").replace(".png", "")+"'>"
 		       + "&nbsp;&nbsp;【本邮件为系统通知邮件,请勿直接回复。感谢您对我们的支持!】<br/>";
        String[] fileList = new String[2];
        fileList[0] = "E:\\360\\report\\template\\log\\2019-04-22\\品类标签报告.xlsx";
        fileList[1] = "E:\\360\\report\\template\\log\\2019-04-22\\pic.png";
        EmailPicManager.getInstance().sendShowPicMail(to, "", subject, content, fileList,"adks");
    }
}

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