大周一的,上班没带耳机
pom文件依赖
<dependency>
<groupId>com.sun.mailgroupId>
<artifactId>javax.mailartifactId>
<version>1.5.6version>
dependency>
<dependency>
<groupId>com.sun.mailgroupId>
<artifactId>smtpartifactId>
<version>1.5.2version>
<type>jartype>
<scope>compilescope>
dependency>
<dependency>
<groupId>com.sun.mailgroupId>
<artifactId>mailapiartifactId>
<version>1.5.2version>
<type>jartype>
<scope>compilescope>
dependency>
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();
}
}
}
