Java发送邮件带附件

import com.sun.xml.internal.bind.v2.util.DataSourceSource;

import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeMultipart;
import java.util.Properties;

public class hello {

    public static void main(String[] args) {
        String from = "cm1@leejay.vip";  //发件人电子邮箱
        String passwd = "PAamuden33cPIBpC";
        String to = "cm2@leejay.vip";  //收件人电子邮箱
        String server = "192.168.173.14";  //发件邮件的主机服务器
        Properties properties = System.getProperties(); //获取系统属性
//        System.out.println(properties);
        //设置邮件服务器
        properties.setProperty("mail.smtp.host", server);
        properties.put("mail.smtp.auth", "true");
        //获取默认session对象
        Session session = Session.getDefaultInstance(properties, new Authenticator() {
            public PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(from, passwd);
            }
        });
        try{
            MimeMessage message = new MimeMessage(session); //创建默认的MimeMessage对象
            message.setFrom(new InternetAddress(from)); //设置头部的from
            message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));//设置头部的收件人
            message.setSubject("This is the java test mail"); //主题

            //创建消息部分
            BodyPart messageBodyPart = new MimeBodyPart();
            //消息
            messageBodyPart.setText("This is a message body.");
            //创建多重消息
            Multipart multipart = new MimeMultipart();
            //设置文本消息
            multipart.addBodyPart(messageBodyPart);
            //附件部分
            messageBodyPart = new MimeBodyPart();
            String filename = "C:\\Users\\coremail\\Desktop\\白皮书\\[www.java1234.com]鸟哥的Linux私房菜-基础篇.第四版.pdf";
            DataSource source = new FileDataSource(filename);
            messageBodyPart.setDataHandler(new DataHandler(source));
            messageBodyPart.setFileName(filename);
            multipart.addBodyPart(messageBodyPart);
            //发送完整消息
            message.setContent(multipart);
            //发送邮件
            Transport.send(message);
            System.out.println("Sent message successfully...");
        }catch (Exception e){
            System.out.println(e);
        }
    }
}