使用javax.mail發(fā)送郵件(二)--帶附件郵件

package SendEmailTest;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.*;
import java.io.File;
import java.util.Properties;

/**
 * Created by mi on 2017/5/12.
 */
public class SendEmailWithAttach {
    public static void sendMail(String fromMail, String user, String password, String toMail, String mailTitle, String mailContent) {

        //加載一個(gè)配置文件
        Properties props = new Properties();

        // smtp：簡單郵件傳輸協(xié)議
        // 設(shè)置郵件服務(wù)器主機(jī)名
        props.put("mail.smtp.host", "smtp.163.com");

        //發(fā)送服務(wù)器需要通過驗(yàn)證
        props.put("mail.smtp.auth", "true");

        //設(shè)置環(huán)境信息
        Session session = Session.getInstance(props);//根據(jù)屬性新建一個(gè)郵件會(huì)話
        session.setDebug(true); //會(huì)打印一些調(diào)試信息曹鸠。

        //由郵件會(huì)話新建一個(gè)消息對(duì)象
        MimeMessage message = new MimeMessage(session);

        Transport transport = null;
        //設(shè)置郵件內(nèi)容
        try {
            message.setFrom(new InternetAddress(fromMail));//設(shè)置發(fā)件人的地址
            message.setRecipient(Message.RecipientType.TO, new InternetAddress(toMail));//設(shè)置收件人,并設(shè)置其接收類型為TO
            message.setSubject(mailTitle);//設(shè)置標(biāo)題
            //設(shè)置信件內(nèi)容

            //因?yàn)樾枰虞d附件诵原，需要裝載多個(gè)主體部件
            MimeMultipart partList = new MimeMultipart("mixed");
            message.setContent(partList);

            //創(chuàng)建一個(gè)部件
            MimeBodyPart part1 = new MimeBodyPart();
            part1.setText(mailContent);
            partList.addBodyPart(part1);

            //再創(chuàng)建一個(gè)部件
            MimeBodyPart part2 = new MimeBodyPart();

            // 添加附件的內(nèi)容
            DataSource source = new FileDataSource("D:/export.xlsx");
            part2.setDataHandler(new DataHandler(source));

            //指定附件的名字筐高，使用MimeUtility.encode()對(duì)中文進(jìn)行編碼
            part2.setFileName(MimeUtility.encodeText("數(shù)據(jù)報(bào)表.xlsx")); //設(shè)置的這個(gè)新的名字一定要帶有后綴格式啊.xlsx!!!

            partList.addBodyPart(part2);

            //發(fā)送郵件
            transport = session.getTransport("smtp");
            transport.connect(user, password);
            transport.sendMessage(message, message.getAllRecipients());//發(fā)送郵件,其中第二個(gè)參數(shù)是所有已設(shè)好的收件人地址
        }catch (Exception e) {
            e.printStackTrace();
        }finally {
            try{
                transport.close(); //這個(gè)最好放到finally中哎
            }catch (Exception e) {
                e.printStackTrace();
            }
        }
    }

    public static void main(String[] args) {
        try{
            sendMail("xxx@163.com", "xxx@163.com", "xxx",
                    "xxx@qq.com",
                    "Java Mail 正式郵件",
                    "這是一個(gè)特別重要的郵件：<b>超級(jí)超級(jí)重要</b>");
        }catch (Exception e) {
            e.printStackTrace();
        }

    }

}

That's all. Thank U~