本例中利用commons-email发送邮件并进行封装，支持html内容和附件；Commons Email是Apache的Commons子项目下的一个邮件客户端组件，它是基于JavaMail的，大大简化了邮件的收发操作。
该工具类支持多个发送人，多个抄送人，多个密送人，多个附件等功能。非常强大。
pom.xml
org.projectlombok lombok 1.16.10 org.apache.commons commons-email 1.4
MailInfo.java
package com.example.demo.email;import lombok.Data;import org.apache.commons.mail.EmailAttachment;import java.util.List;/** * Created by 敲代码的卡卡罗特 on 2018/3/29. */@Datapublic class MailInfo { // 收件人 private List toAddress = null; // 抄送人地址 private List ccAddress = null; // 密送人 private List bccAddress = null; // 附件信息 private List attachments = null; // 邮件主题 private String subject; // 邮件的文本内容 private String content; public void addToAddress(String toAddress) { this.toAddress.add(toAddress); } public void addToAddress(List toAddress) { this.toAddress.addAll(toAddress); } public void addCcAddress(List ccAddress) { if (null != ccAddress && ccAddress.size() > 0) this.ccAddress.addAll(ccAddress); }} MailUtil.java
package com.example.demo.email;import org.apache.commons.mail.EmailAttachment;import org.apache.commons.mail.EmailException;import org.apache.commons.mail.HtmlEmail;import java.util.List;/** * Created by 敲代码的卡卡罗特 on 2018/3/29. */public class MailUtil { //邮箱 private static String mailServerHost = "smtp.163.com"; private static String mailSenderAddress = "15515664xxx@163.com"; private static String mailSenderNick = "敲代码的卡卡罗特"; private static String mailSenderUsername = "15515664xxx@163.com"; private static String mailSenderPassword = "xxxxx"; /** * 发送 邮件方法 (Html格式，支持附件) * * @return void */ public static void sendEmail(MailInfo mailInfo) { try { HtmlEmail email = new HtmlEmail(); // 配置信息 email.setHostName(mailServerHost); email.setFrom(mailSenderAddress,mailSenderNick); email.setAuthentication(mailSenderUsername,mailSenderPassword); email.setCharset("UTF-8"); email.setSubject(mailInfo.getSubject()); email.setHtmlMsg(mailInfo.getContent()); // 添加附件 List attachments = mailInfo.getAttachments(); if (null != attachments && attachments.size() > 0) { for (int i = 0; i < attachments.size(); i++) { email.attach(attachments.get(i)); } } // 收件人 List toAddress = mailInfo.getToAddress(); if (null != toAddress && toAddress.size() > 0) { for (int i = 0; i < toAddress.size(); i++) { email.addTo(toAddress.get(i)); } } // 抄送人 List ccAddress = mailInfo.getCcAddress(); if (null != ccAddress && ccAddress.size() > 0) { for (int i = 0; i < ccAddress.size(); i++) { email.addCc(ccAddress.get(i)); } } //邮件模板 密送人 List bccAddress = mailInfo.getBccAddress(); if (null != bccAddress && bccAddress.size() > 0) { for (int i = 0; i < bccAddress.size(); i++) { email.addBcc(ccAddress.get(i)); } } email.send(); System.out.println("邮件发送成功！"); } catch (EmailException e) { e.printStackTrace(); } }}
Test.java
package com.example.demo.email;import org.apache.commons.mail.EmailAttachment;import java.util.ArrayList;import java.util.List;/** * Created by 敲代码的卡卡罗特 on 2018/3/29. */public class Test { /** * @return void */ public static void main(String[] args) { MailInfo mailInfo = new MailInfo(); List toList = new ArrayList (); toList.add("xxx@163.com"); List ccList = new ArrayList (); ccList.add("xxx@163.com"); List bccList = new ArrayList (); bccList.add("my@163.com"); //添加附件 EmailAttachment att = new EmailAttachment(); att.setPath("E:\\liuzhonghua\\备份\\xx.txt"); att.setName("远程地址.txt"); List atts = new ArrayList (); atts.add(att); mailInfo.setAttachments(atts); mailInfo.setToAddress(toList);//收件人 mailInfo.setCcAddress(ccList);//抄送人 mailInfo.setBccAddress(bccList);//密送人 mailInfo.setSubject("测试主题"); mailInfo.setContent("内容： test,测试
"); MailUtil.sendEmail(mailInfo); }}
ok,亲测可用！！！！！！