<!--mail--> <dependency> <groupId>com.sun.mail</groupId> <artifactId>javax.mail</artifactId> <version>1.5.6</version> </dependency> <dependency> <groupId>com.sun.mail</groupId> <artifactId>smtp</artifactId> <version>1.5.2</version> <type>jar</type> <scope>compile</scope> </dependency> <dependency> <groupId>com.sun.mail</groupId> <artifactId>mailapi</artifactId> <version>1.5.2</version> <type>jar</type> <scope>compile</scope> </dependency>
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<FileDataSource> files = new LinkedList<FileDataSource>();// 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<String> 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<String> 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<String> 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("<meta http-equiv=Content-Type content=text/html; charset=UTF-8>" + 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<FileDataSource> 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<String> 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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