? ? ? 大周一的,上班没带耳机

pom文件依赖

com.sun.mail

javax.mail

1.5.6

com.sun.mail

smtp

1.5.2

jar

compile

com.sun.mail

mailapi

1.5.2

jar

compile

class="java">package com.ssm.boot.service;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import javax.activation.DataHandler;

import javax.activation.FileDataSource;

import javax.mail.*;

import javax.mail.internet.*;

import java.util.*;

/**

* Created by my on 2018/5/14.

*/

public class MailService {

private static String defaultSenderName = "########";// 默认的发件人用户名，defaultEntity用得到

private static String defaultSenderPass = "########";// 默认的发件人密码，defaultEntity用得到

private static String defaultSmtpHost = "smtp.163.com";// 默认的邮件服务器地址，defaultEntity用得到

private String smtpHost; // 邮件服务器地址

private String sendUserName; // 发件人的用户名

private String sendUserPass; // 发件人密码

private MimeMessage mimeMsg; // 邮件对象

private Session session;

private Properties props;

private Multipart mp;// 附件添加的组件

private List files = new LinkedList();// 存放附件文件

private void init() {

if (props == null) {

props = System.getProperties();

}

props.put("mail.smtp.host", smtpHost);

props.put("mail.smtp.auth", "true"); // 需要身份验证

session = Session.getDefaultInstance(props, null);

// 置true可以在控制台(console)上看到发送邮件的过程

session.setDebug(true);

// 用session对象来创建并初始化邮件对象

mimeMsg = new MimeMessage(session);

// 生成附件组件的实例

mp = new MimeMultipart();

}

private MailService(String smtpHost, String sendUserName, String sendUserPass, String to, String cc, String mailSubject, String mailBody,List attachments) {

this.smtpHost = smtpHost;

this.sendUserName = sendUserName;

this.sendUserPass = sendUserPass;

init();

setFrom(sendUserName);

setTo(to);

setCC(cc);

setBody(mailBody);

setSubject(mailSubject);

if (attachments != null) {

for (String attachment : attachments) {

addFileAffix(attachment);

}

}

}

/**

* 邮件实体

*

* @param smtpHost 邮件服务器地址

* @param sendUserName 发件邮件地址

* @param sendUserPass 发件邮箱密码

* @param to 收件人，多个邮箱地址以半角逗号分隔

* @param cc 抄送，多个邮箱地址以半角逗号分隔

* @param mailSubject 邮件主题

* @param mailBody 邮件正文

* @param attachments 附件路径

* @return

*/

public static MailService entity(String smtpHost, String sendUserName, String sendUserPass, String to, String cc, String mailSubject, String mailBody,List attachments) {

return new MailService(smtpHost, sendUserName, sendUserPass, to, cc, mailSubject, mailBody, attachments);

}

/**

* 默认邮件实体，用了默认的发送帐号和邮件服务器

*

* @param to 收件人，多个邮箱地址以半角逗号分隔

* @param cc 抄送，多个邮箱地址以半角逗号分隔

* @param subject 邮件主题

* @param body 邮件正文

* 附件全路径

* @return

*/

public static MailService defaultEntity(String to, String cc, String subject, String body, List attachments) {

return new MailService(defaultSmtpHost, defaultSenderName, defaultSenderPass, to, cc, subject, body, attachments);

}

/**

* 设置邮件主题

*

* @param mailSubject

* @return

*/

private boolean setSubject(String mailSubject) {

try {

mimeMsg.setSubject(mailSubject);

} catch (Exception e) {

return false;

}

return true;

}

/**

* 设置邮件内容,并设置其为文本格式或HTML文件格式，编码方式为UTF-8

*

* @param mailBody

* @return

*/

private boolean setBody(String mailBody) {

try {

BodyPart bp = new MimeBodyPart();

bp.setContent("" + mailBody, "text/html;charset=UTF-8");

// 在组件上添加邮件文本

mp.addBodyPart(bp);

} catch (Exception e) {

System.err.println("设置邮件正文时发生错误！" + e);

return false;

}

return true;

}

/**

* 添加一个附件

*

* @param filename 邮件附件的地址，只能是本机地址而不能是网络地址，否则抛出异常

* @return

*/

public boolean addFileAffix(String filename) {

try {

if (filename != null && filename.length() > 0) {

BodyPart bp = new MimeBodyPart();

FileDataSource fileds = new FileDataSource(filename);

bp.setDataHandler(new DataHandler(fileds));

bp.setFileName(MimeUtility.encodeText(fileds.getName(), "utf-8", null)); // 解决附件名称乱码

mp.addBodyPart(bp);// 添加附件

files.add(fileds);

}

} catch (Exception e) {

System.err.println("增加邮件附件：" + filename + "发生错误！" + e);

return false;

}

return true;

}

/**

* 删除所有附件

*

* @return

*/

public boolean delFileAffix() {

try {

FileDataSource fileds = null;

for (Iterator it = files.iterator(); it.hasNext(); ) {

fileds = it.next();

if (fileds != null && fileds.getFile() != null) {

fileds.getFile().delete();

}

}

} catch (Exception e) {

return false;

}

return true;

}

/**

* 设置发件人地址

*

* @param from 发件人地址

* @return

*/

private boolean setFrom(String from) {

try {

mimeMsg.setFrom(new InternetAddress(from));

} catch (Exception e) {

return false;

}

return true;

}

/**

* 设置收件人地址

*

* @return

*/

private boolean setTo(String to) {

if (to == null)

return false;

try {

mimeMsg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(to));

} catch (Exception e) {

return false;

}

return true;

}

/**

* 设置抄送

*

* @param cc

* @return

*/

private boolean setCC(String cc) {

if (cc == null) {

return false;

}

try {

mimeMsg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(cc));

} catch (Exception e) {

return false;

}

return true;

}

/**

* 发送邮件

*

* @return

*/

public boolean send() throws Exception {

mimeMsg.setContent(mp);

mimeMsg.saveChanges();

System.out.println("正在发送邮件....");

Transport transport = session.getTransport("smtp");

// 连接邮件服务器并进行身份验证

transport.connect(smtpHost, sendUserName, sendUserPass);

// 发送邮件

transport.sendMessage(mimeMsg, mimeMsg.getAllRecipients());

System.out.println("发送邮件成功！");

transport.close();

return true;

}

public static void main(String[] args) {

String userName = "##########"; // 发件人邮箱

String password = "##########"; // 发件人密码

String smtpHost = "smtp.163.com"; // 邮件服务器

String to = "########"; // 收件人，多个收件人以半角逗号分隔

String cc = "########,########"; // 抄送，多个抄送以半角逗号分隔

String subject = "这是邮件的主题"; // 主题

String body = "天上的星星参北斗啊"; // 正文,可以用html格式的哟

List attachments = Arrays.asList("D:\\A.png", "D:\\A.png"); // 附件的路径，多个附件也不怕

MailService email = MailService.entity(smtpHost, userName, password, to, cc, subject, body, attachments);

try {

email.send(); // 发送！

} catch (Exception e) {

e.printStackTrace();

}

}

}

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