package com.baidu.email;
import com.sun.mail.util.MailSSLSocketFactory;
import javax.activation.DataHandler;
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.security.GeneralSecurityException;
import java.util.Properties;
public class SendFileMail {
public static void main(String[] args) throws MessagingException, GeneralSecurityException {
//创建一个配置文件保存并读取信息
Properties properties = new Properties();
//设置qq邮件服务器
properties.setProperty("mail.host","smtp.qq.com");
//设置发送的协议
properties.setProperty("mail.transport.protocol","smtp");
//设置用户是否需要验证
properties.setProperty("mail.smtp.auth","true");
//=================================只有QQ存在的一个特性,需要建立一个安全的链接
// 关于QQ邮箱,还要设置SSL加密,加上以下代码即可
MailSSLSocketFactory sf = new MailSSLSocketFactory();
sf.setTrustAllHosts(true);
properties.put("mail.smtp.ssl.enable", "true");
properties.put("mail.smtp.ssl.socketFactory", sf);
//=================================准备工作完毕
//1.创建一个session会话对象;
Session session = Session.getDefaultInstance(properties, new Authenticator() {
@Override
protected PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication("1138954180@qq.com", "zuyrcoenqrrfjgff");
}
});
//可以通过session开启Dubug模式,查看所有的过程
session.setDebug(true);
//2.获取连接对象,通过session对象获得Transport,需要捕获或者抛出异常;
Transport tp = session.getTransport();
//3.连接服务器,需要抛出异常;
tp.connect("smtp.qq.com","1138954180@qq.com","zuyrcoenqrrfjgff");
//4.连接上之后我们需要发送邮件;
MimeMessage mimeMessage = imageMail(session);
//5.发送邮件
tp.sendMessage(mimeMessage,mimeMessage.getAllRecipients());
//6.关闭连接
tp.close();
}
public static MimeMessage imageMail(Session session) throws MessagingException {
//消息的固定信息
MimeMessage mimeMessage = new MimeMessage(session);
//邮件发送人
mimeMessage.setFrom(new InternetAddress("1138954180@qq.com"));
//邮件接收人,可以同时发送给很多人,我们这里只发给自己;
mimeMessage.setRecipient(Message.RecipientType.TO, new InternetAddress("1138954180@qq.com"));
mimeMessage.setSubject("我也不知道是个什么东西就发给你了"); //邮件主题
/*
编写邮件内容
1.图片
2.附件
3.文本
*/
//图片
MimeBodyPart body1 = new MimeBodyPart();
body1.setDataHandler(new DataHandler(new FileDataSource("web/src/resources/a.png")));
body1.setContentID("a.png"); //图片设置ID
//文本
MimeBodyPart body2 = new MimeBodyPart();
body2.setContent("请注意,我不是广告<img src='cid:a.png'>","text/html;charset=utf-8");
//附件
MimeBodyPart body3 = new MimeBodyPart();
body3.setDataHandler(new DataHandler(new FileDataSource("web/src/resources/123.properties")));
body3.setFileName("123.properties"); //附件设置名字
MimeBodyPart body4 = new MimeBodyPart();
body4.setDataHandler(new DataHandler(new FileDataSource("web/src/resources/123.txt")));
body4.setFileName("123.txt"); //附件设置名字
//拼装邮件正文内容
MimeMultipart multipart1 = new MimeMultipart();
multipart1.addBodyPart(body1);
multipart1.addBodyPart(body2);
multipart1.setSubType("related"); //1.文本和图片内嵌成功!
//new MimeBodyPart().setContent(multipart1); //将拼装好的正文内容设置为主体
MimeBodyPart contentText = new MimeBodyPart();
contentText.setContent(multipart1);
//拼接附件
MimeMultipart allFile =new MimeMultipart();
allFile.addBodyPart(body3); //附件
allFile.addBodyPart(body4); //附件
allFile.addBodyPart(contentText);//正文
allFile.setSubType("mixed"); //正文和附件都存在邮件中,所有类型设置为mixed;
//放到Message消息中
mimeMessage.setContent(allFile);
mimeMessage.saveChanges();//保存修改
return mimeMessage;
}
}
最后查看邮箱,就会有一封新的电子邮件。