- 添加maven依赖
在 maven 配置文件 pom.xml 中添加依赖：
<dependency>
<groupId>javax.activation</groupId>
<artifactId>activation</artifactId>
<version>1.1</version>
</dependency>
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4</version>
</dependency>
import javax.activation.DataHandler;
import javax.activation.DataSource;
import javax.activation.FileDataSource;
import javax.mail.Message;
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 java.io.File;
import java.util.Date;
import java.util.List;
import java.util.Properties;
public class MailOper {
/**
* 发送邮件（纯文本）
* 带有抄送人
*
* @param emailMultipleRecipientList 收件人（多个收件人）
* @param emailSubject 邮件主题
* @param emailContent 邮件内容
* @param emailUser 发送邮箱地址
* @param emailPassword 发送邮箱授权码或者密码
* @param emailPersonal 发送邮箱中文名称
* @param emailCCRecipientsList 抄送人（多个抄送人）
*/
public static String sendTextMail(List<EmailFSRecipients> emailMultipleRecipientList, String emailSubject,
String emailContent, String emailUser, String emailPassword,
String emailPersonal, List<EmailCCRecipients> emailCCRecipientsList) throws Exception {
Transport trans = null;
try {
//1.创建参数配置, 用于连接邮件服务器的参数配置
Properties props = System.getProperties();
//2.发件人的邮箱的 SMTP 服务器地址
props.put("mail.smtp.host", MailConstant.host);
//3.需要请求认证
props.put("mail.smtp.auth", MailConstant.auth);
//4.使用的协议（JavaMail规范要求）
props.setProperty("mail.transport.protocol", MailConstant.protocol);
//邮箱发送服务器端口,这里设置为465端口
props.put("mail.smtp.port", MailConstant.port);
//JavaMail指定了一组可以设置为配置SMTP连接的属性。要使用STARTTLS，必须设置以下属性
props.put("mail.smtp.starttls.enable", MailConstant.enable);
//5.验证权限
MailAuth mailAuth = new MailAuth(emailUser, emailPassword);
//6.根据配置创建会话对象, 用于和邮件服务器交互
Session session = Session.getInstance(props, mailAuth);
//7.设置为debug模式, 可以查看详细的发送 log
session.setDebug(true);
//8.创建一封邮件
MimeMessage message = new MimeMessage(session);
//9.From: 发件人
message.setFrom(new InternetAddress(emailUser, emailPersonal, MailConstant.chartSet));
//10.TO: 收件人（可以增加多个收件人）
int to_length = emailMultipleRecipientList.size();
InternetAddress[] to_sendTo = new InternetAddress[to_length];
for (int i = 0; i < to_length; i++) {
if (null != emailMultipleRecipientList.get(i)) {
String fsAddress = emailMultipleRecipientList.get(i).getSjAddress();
String faPersonal = emailMultipleRecipientList.get(i).getSjPersonal();
to_sendTo[i] = new InternetAddress(fsAddress, faPersonal, MailConstant.chartSet);
}
}
message.setRecipients(MimeMessage.RecipientType.TO, to_sendTo);
//11.CC: 抄送收件人（可以增加多个抄送人）
if (!ListUtil.isNullOrEmpty(emailCCRecipientsList)) {
int cc_length = emailCCRecipientsList.size();
InternetAddress[] cc_sendTo = new InternetAddress[cc_length];
for (int i = 0; i < cc_length; i++) {
if (null != emailCCRecipientsList.get(i)) {
String ccAddress = emailCCRecipientsList.get(i).getCcAddress();
String ccPersonal = emailCCRecipientsList.get(i).getCcPersonal();
cc_sendTo[i] = new InternetAddress(ccAddress, ccPersonal, MailConstant.chartSet);
}
}
message.setRecipients(Message.RecipientType.CC, cc_sendTo);
}
//12.Subject: 邮件主题
message.setSubject(emailSubject, MailConstant.chartSet);
//13.Content: 邮件正文
message.setContent(emailContent, MailConstant.contentType);
//14.设置发件时间
message.setSentDate(new Date());
//15.保存设置
message.saveChanges();
//16.根据 Session 获取邮件传输对象
trans = session.getTransport(MailConstant.protocol);
//17.发送邮件, 发到所有的收件地址
Transport.send(message);
return "success";
} catch (Exception e) {
e.printStackTrace();
return "failure";
} finally {
if (null != trans) {
trans.close();
}
}
}
public static class EmailCCRecipients {
private String ccAddress;
private String ccPersonal;
public String getCcAddress() {
return ccAddress;
}
public void setCcAddress(String ccAddress) {
this.ccAddress = ccAddress;
}
public String getCcPersonal() {
return ccPersonal;
}
public void setCcPersonal(String ccPersonal) {
this.ccPersonal = ccPersonal;
}
}
public static class EmailFSRecipients {
private String sjAddress;
private String sjPersonal;
public String getSjAddress() {
return sjAddress;
}
public void setSjAddress(String sjAddress) {
this.sjAddress = sjAddress;
}
public String getSjPersonal() {
return sjPersonal;
}
public void setSjPersonal(String sjPersonal) {
this.sjPersonal = sjPersonal;
}
}
}
public abstract class MailConstant {
/**
* 邮件服务器
*/
public static final String host = "smtp.server.com";
/**
*
*/
public static final String protocol = "smtp";
/**
*
*/
public static final String auth = "true";
/**
*
*/
public static final String enable = "true";
/**
*
*/
public static final int port = 465;
/**
*
*/
public static final String chartSet = "UTF-8";
/**
*
*/
public static final String contentType = "text/html;charset=UTF-8";
}
import java.util.ArrayList;
import java.util.List;
public class ListUtil {
public static boolean isNullOrEmpty(List list) {
return (list == null || list.size() == 0);
}
}
