Java 发送 Email

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package test;import java.io.UnsupportedEncodingException;import java.util.List;import javax.activation.DataHandler;import javax.activation.FileDataSource;import javax.mail.Message;import javax.mail.MessagingException;import javax.mail.Session;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 org.apache.commons.lang.StringUtils;public class WithAttachmentMessage {    /**    * 根据传入的文件路径创建附件并返回    * @param fileName 福建了路径    * @return    * @throws MessagingException    */    public static MimeBodyPart createAttachment(String fileName) throws MessagingException{        MimeBodyPart part = new MimeBodyPart();        FileDataSource fds = new FileDataSource(fileName);        part.setDataHandler(new DataHandler(fds));        part.setFileName(fds.getName());        return part;    }    /**    * 根据传入的邮件正文和文件路径构建图文并茂的正文    * @param body 邮件正文    * @param fileName 图片路径    * @return    * @throws MessagingException    */    public static MimeBodyPart createContent(String body, String fileName) throws MessagingException{        //用于保存最终正文部分        MimeBodyPart contentBody = new MimeBodyPart();        // 用于组合正文与图片，"related"型的MimeMultipart对象        MimeMultipart contentMulti = new MimeMultipart("related");        // 正文的文本部分        MimeBodyPart textBody = new MimeBodyPart();        textBody.setContent(body, "text/html;charset=utf-8");        contentMulti.addBodyPart(textBody);        //正文的图片部分        MimeBodyPart jpgBody = new MimeBodyPart();        FileDataSource fds = new FileDataSource(fileName);        jpgBody.setDataHandler(new DataHandler(fds));        jpgBody.setContentID("logo_jpg");        contentMulti.addBodyPart(jpgBody);        //将上面的"related"型的MimeMultipart对象作为邮件正文        contentBody.setContent(contentMulti);        return contentBody;    }    /**    * 根据传入的 Seesion 对象创建混合型的 MIME消息    * @param session    * @param nick 发件人昵称    * @param from 发件人邮箱地址    * @param headName 邮件标题    * @param receiveUser 收件人    * @param bodyParts  邮件内容    *  List<MimeBodyPart>    * @return    * @throws AddressException    * @throws MessagingException    * @throws UnsupportedEncodingException     */    public MimeMessage createMessage(Session session,String nick, String from, String headName, String receiveUser, List<MimeBodyPart> bodyParts) throws AddressException, MessagingException, UnsupportedEncodingException{        MimeMessage msg = new MimeMessage(session);        //设置发件人昵称        String nickStr = "";        if(StringUtils.isBlank(nick)){        nickStr = "未知帐号";        }else{        nickStr = MimeUtility.encodeText(nick);        }        msg.setFrom(new InternetAddress(nickStr + " <" + from + ">"));//发件人        msg.setRecipient(Message.RecipientType.TO, new InternetAddress(receiveUser));//收件人        msg.setSubject(headName);//邮件标题        //判断邮件内容        if(bodyParts == null || bodyParts.size() == 0){        return null;        }        // 设置正文与附件之间的关系        MimeMultipart allPart = new MimeMultipart();        for(MimeBodyPart mbp : bodyParts){        allPart.addBodyPart(mbp);        }        allPart.setSubType("mixed");        // 将上面混合型的 MimeMultipart 对象作为邮件内容并保存        msg.setContent(allPart, "text/html;charset=utf-8");        msg.saveChanges();        return msg;    }}

package test;import java.util.ArrayList;import java.util.List;import java.util.Properties;import javax.mail.Authenticator;import javax.mail.Message;import javax.mail.PasswordAuthentication;import javax.mail.Session;import javax.mail.Transport;import javax.mail.internet.MimeBodyPart;import javax.mail.internet.MimeMessage;public class MessageSender {// 设置服务器    private static String KEY_SMTP = "mail.smtp.host";    private static String VALUE_SMTP = "smtp.qq.com";    // 服务器验证    private static String KEY_PROPS = "mail.smtp.auth";    private static String VALUE_PROPS = "true";    // 发件人用户帐号、昵称和密码（邮箱必须开启SMTP服务才能使用）    private static String SEND_USER = "1219964716@qq.com";    private static String SEND_UNAME = "测试帐号";    private static String SEND_PWD = "wb1234123";//邮箱独立密码    /**    * 创建session对象，此时需要传输协议，是否认证身份    * @param protocol    * @return    */    public Session createSession(String protocol){        Properties propertie = new Properties();        propertie.setProperty("mail.transport.protocol", protocol);        //SMTP发送邮件，需要进行身份验证        propertie.setProperty(KEY_PROPS, VALUE_PROPS);        propertie.put(KEY_SMTP, VALUE_SMTP);        // 构建授权信息，用于进行SMTP进行身份验证        Authenticator authenticator = new Authenticator() {        protected PasswordAuthentication getPasswordAuthentication(){        return new PasswordAuthentication(SEND_USER, SEND_PWD);        }        };        //启动JavaMail调试功能，可以返回与SMTP服务交互的命令信息        Session session = Session.getInstance(propertie,authenticator);        session.setDebug(true);        return session;    }    /**    * 传入Session、MimeMessage对象，创建 Transport 对象发送邮件    * @param session    * @param msg    * @throws Exception    */    public void sendMail(Session session, MimeMessage msg) throws Exception{        // 由 Session 对象获得 Transport 对象        Transport transport = session.getTransport();        // 发送用户名、密码连接到指定的 smtp 服务器        transport.connect(VALUE_SMTP, SEND_USER, SEND_PWD);        // 设置邮件的收件人 TO：表示发件人    CC：表示抄送    BCC：表示暗送        transport.sendMessage(msg, msg.getRecipients(Message.RecipientType.TO));        transport.close();    }    public static void main(String[] args) throws Exception {        String receiveUser = "9653042143@qq.com";//收件人邮箱地址        String headName = "创建内含附件、图文并茂的邮件！";        String body = "<h4>内含附件、图文并茂的邮件测试！！！</h4> </br>"                         + "<a href = https://www.baidu.com/> 百度</a></br>"                         + "<img src = 'cid:logo_jpg'></a>";         // MimeBodyPart attachment01 = WithAttachmentMessage.createAttachment("D:\\Java\\JS\\jquery2.1.3.js");        // MimeBodyPart attachment02 = WithAttachmentMessage.createAttachment("D:\\Java\\JS\\jquery2.1.3.rar");        MimeBodyPart content = WithAttachmentMessage.createContent(body, "E:\\logoMark.png");        List<MimeBodyPart> bodyParts = new ArrayList<MimeBodyPart>();        // bodyParts.add(attachment01);        // bodyParts.add(attachment02);        bodyParts.add(content);        MessageSender sender = new MessageSender();        Session session = sender.createSession("smtp");        MimeMessage mail = new WithAttachmentMessage().createMessage(session, SEND_UNAME, SEND_USER, headName, receiveUser, bodyParts);        sender.sendMail(session, mail);    }}

需要包：commons-lang-2.3.jar和mailapi.jar

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