Java代码实现发送邮件-白红宇

Java代码实现发送邮件

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发布时间：2019-06-21

本文共 3314 字，大约阅读时间需要 11 分钟。

package com.ust.email;

import java.io.File;

import java.util.Date;

import javax.activation.DataHandler;

import javax.activation.FileDataSource;

import javax.mail.Address;

import javax.mail.BodyPart;

import javax.mail.Message;

import javax.mail.Multipart;

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;

import javax.mail.internet.MimeUtility;

/**

发送带附件的邮件
*/
public class AttachmentMailSender {

public static boolean sendMail(MailSenderInfo mailInfo) {

// 判断是否需要身份认证
MyAuthenticator authenticator = null;
if (mailInfo.isValidate()) {

// 如果需要身份认证，则创建一个密码验证器
authenticator = new MyAuthenticator(mailInfo.getUserName(),
mailInfo.getPassword());
}
// 根据邮件发送的属性和密码验证器构造一个发送邮件的session
Session sendMailSession = Session.getInstance(mailInfo
.getProperties(), authenticator);
try {

// 根据session创建一个邮件消息
Message mailMessage = new MimeMessage(sendMailSession);
// 创建邮件发送者地址
Address from = new InternetAddress(mailInfo.getFromAddress());
// 设置邮件消息的发送者
mailMessage.setFrom(from);
// 创建邮件的接收者地址，并设置到邮件消息中
Address to = new InternetAddress(mailInfo.getToAddress());
mailMessage.setRecipient(Message.RecipientType.TO,to);
// 设置邮件消息的主题
mailMessage.setSubject(mailInfo.getSubject());
// 设置邮件消息发送的时间
mailMessage.setSentDate(new Date());
```
// MiniMultipart类是一个容器类，包含MimeBodyPart类型的对象    Multipart mainPart = new MimeMultipart();    // 创建一个包含HTML内容的MimeBodyPart    BodyPart html = new MimeBodyPart();    // 设置HTML内容    html.setContent(mailInfo.getContent(), "text/html; charset=GBK");    mainPart.addBodyPart(html);    // 为邮件添加附件    String[] attachFileNames = mailInfo.getAttachFileNames();    if (attachFileNames != null && attachFileNames.length > 0) {        // 存放邮件附件的MimeBodyPart        MimeBodyPart attachment = null;        File file = null;        for (int i = 0; i < attachFileNames.length; i++) {            attachment = new MimeBodyPart();            // 根据附件文件创建文件数据源            file = new File(attachFileNames[i]);            FileDataSource fds = new FileDataSource(file);            attachment.setDataHandler(new DataHandler(fds));            // 为附件设置文件名            attachment.setFileName(MimeUtility.encodeWord(file.getName(), "GBK",                    null));            mainPart.addBodyPart(attachment);        }    }    // 将MiniMultipart对象设置为邮件内容    mailMessage.setContent(mainPart);    // 发送邮件    Transport.send(mailMessage);    return true;} catch (Exception e) {    e.printStackTrace();    return false;}
```
}

public static void main(String[] args) {

// 创建邮件信息
// 创建邮件信息
MailSenderInfo mailInfo = new MailSenderInfo();
mailInfo.setMailServerHost("mail.XXX.com")//mail.qq.com 这个自己看类型百度查询下，我们公司地址不透露啦
mailInfo.setMailServerPort("25");
mailInfo.setValidate(true);
mailInfo.setUserName("用户名");
mailInfo.setPassword("密码");
mailInfo.setFromAddress("你的邮箱");
mailInfo.setToAddress("收件邮箱");
mailInfo.setSubject("MyMail测试");
mailInfo.setContent("我的邮件测试\n\rMy test mail\n\r");
//附件
String[] fileNames = new String[3];
fileNames[0] = "C:/temp/new.txt";
fileNames[1] = "C:/temp/test.wav";
fileNames[2] = "C:/temp/mary_photo.jpg";
mailInfo.setAttachFileNames(fileNames);
```
AttachmentMailSender.sendMail(mailInfo);
```
}
}