Javamail,编写简单的程序发送邮件

最新推荐文章于 2021-02-21 02:23:05 发布

daijope

最新推荐文章于 2021-02-21 02:23:05 发布

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文章标签： javamail session string properties exception 邮件服务器

本文链接：https://blog.youkuaiyun.com/daijope/article/details/6567134

本文介绍了一个使用JavaMail API发送包含HTML内容和附件的电子邮件的示例。该示例展示了如何创建并配置邮件会话，构造MIME消息，以及如何通过SMTP服务器发送邮件。

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代码：

package com.dai.mail;

import java.util.Properties;

import javax.activation.DataHandler;
import javax.activation.FileDataSource;
import javax.mail.Message;
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;

public class HtmlMessageSender {
    String protocol = "smtp";
    String from = "15829004147@sina.cn";
    String to = "243047007@qq.com";
    String subject = "test";
    String body = "<a href=http://www.renren.com> " +
            "welcome to our website!</a>" +
                    "this is a test mail from sina!";
    /**
    * create session and the session has been setted particular properties
    * @return
    */
    public Session createSession() {
        Properties props = new Properties();
        props.setProperty("mail.transport.protocol", protocol);
        /*必须将mail.smtp.auth属性设置为true，SMTPTransport对象才会向SMTP服务器提交认证
        * 信息，这个信息可以从JavaMail的javadocs文档中的com.sun.mail.smtp包的帮助文档中
        * 看到*/
        props.setProperty("mail.smtp.auth", "true");
        Session session = Session.getInstance(props);
        session.setDebug(true);
        return session;
    }
    /**
    * create MimeMessage,used the MultiBodyPart and MimeBodyPart
    * @param session
    * @return
    * @throws Exception
    */
    public MimeMessage createMessage(Session session) throws Exception {
        MimeMessage message = new MimeMessage(session);
        message.setFrom(new InternetAddress(from));
        message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));
        message.setSubject(subject);

        MimeMultipart multiPart = new MimeMultipart("related");

        MimeBodyPart htmlBodyPart = new MimeBodyPart();
        htmlBodyPart.setContent(body,"text/html;charset = GBK");
        multiPart.addBodyPart(htmlBodyPart);

        MimeBodyPart gifBodyPart = new MimeBodyPart();
        FileDataSource fds = new FileDataSource("d://zzz//love.jpg");
        gifBodyPart.setDataHandler(new DataHandler(fds));
        gifBodyPart.setContentID("love_jpg");
        multiPart.addBodyPart(gifBodyPart);
        message.setContent(multiPart);
        message.saveChanges();
        return message;
    }
    public static void main(String[] args) throws Exception {
        String server = "smtp.sina.com.cn";
        String user = "15829004147@sina.cn";
        String pass = "XXX";//密码

        HtmlMessageSender sender = new HtmlMessageSender();
        Session session = sender.createSession();
        MimeMessage message = sender.createMessage(session);

        //获取Transport对象，并连接邮件服务器发送邮件
        Transport transport = session.getTransport();
        transport.connect(server, user, pass);
        transport.sendMessage(message, message.getRecipients(Message.RecipientType.TO));
        transport.close();

    }





}