/**
* 邮件工具类
*
* @author zj
* @date 2022/03/14 16:39
**/
public class EMailUtil {
/**
* 创建简单的文本邮件
*
* @param session session对象
* @param mailFrom 邮件发送方地址
* @param mailTo 邮件接收方地址
* @param mailTittle 邮件标题
* @param mailContent 邮件内容
* @return MimeMessage
*/
public static MimeMessage simpleMail(Session session, String mailFrom, String mailTo, String mailTittle, String mailContent) {
//创建默认的MimeMessage 对象
MimeMessage msg = new MimeMessage(session);
try {
//邮件发送人
msg.setFrom(mailFrom);
//邮件接收人
msg.setRecipients(Message.RecipientType.TO, mailTo);
//邮件标题头
msg.setSubject(mailTittle);
//邮件发送日期
msg.setSentDate(new Date());
//邮件文本内容
msg.setContent(mailContent, "text/html;charset=UTF-8");
} catch (Exception mex) {
mex.printStackTrace();
}
return msg;
}
/**
* 创建带有附件的邮件
*
* @param session session对象
* @param contentMap 邮件配置和邮件内容
* @param attachments 邮件附件
* @return MimeMessage
*/
public static MimeMessage attachMail(Session session, Map<String, Object> contentMap, List<File> attachments) {
// 创建邮件对象
MimeMessage mimeMessage = new MimeMessage(session);
try {
//邮件发送人
mimeMessage.setFrom(contentMap.get("mailFrom").toString());
//邮件接收人
mimeMessage.setRecipients(Message.RecipientType.TO, contentMap.get("mailTo").toString());
//邮件主题
mimeMessage.setSubject(contentMap.get("mailTittle").toString());
//创建多重消息
MimeMultipart multipart = new MimeMultipart();
//邮件正文
BodyPart contentPart = new MimeBodyPart();
contentPart.setContent(contentMap.get("mailContent").toString(), "text/html;charset=UTF-8");
multipart.addBodyPart(contentPart);
//邮件附件
if (attachments != null) {
for (File attachment : attachments) {
BodyPart attachmentPart = new MimeBodyPart();
DataSource source = new FileDataSource(attachment);
attachmentPart.setDataHandler(new DataHandler(source));
//避免中文乱码的处理
attachmentPart.setFileName(MimeUtility.encodeWord(attachment.getName()));
multipart.addBodyPart(attachmentPart);
}
}
mimeMessage.setContent(multipart, "UTF-8");
//保存邮件
mimeMessage.saveChanges();
} catch (Exception mex) {
mex.printStackTrace();
}
return mimeMessage;
}
/**
* 发送邮件方法
*
* @param contentMap 邮件配置和邮件内容map
*/
public static void sendEmail(Map<String, Object> contentMap) {
sendEmail(contentMap, null);
}
/**
* 发送邮件方法
*
* @param contentMap 邮件配置和邮件内容map
* @param attaches 邮件配置带附件
*/
public static void sendEmail(Map<String, Object> contentMap, List<File> attaches) {
try {
//获取系统属性
Properties pros = new Properties();
pros.setProperty("mail.transport.protocol", "smtp");// 使用的协议
pros.setProperty("mail.smtp.host", contentMap.get("host").toString());// 发件人的邮箱的SMTP服务器地址
pros.setProperty("mail.smtp.auth", "true");// 需要请求认证
//设置邮件服务器
Session session = Session.getInstance(pros);
if (attaches == null) {
//发送简单的文本邮件
MimeMessage msg = simpleMail(session, contentMap.get("mailFrom").toString(), contentMap.get("mailTo").toString(), contentMap.get("mailTittle").toString(), contentMap.get("mailContent").toString());
Transport.send(msg, contentMap.get("mailFrom").toString(), contentMap.get("passwd").toString());
System.out.println("Sent simpleMail successfully...");
} else {
//发送带附件邮件
MimeMessage mimeMessage = attachMail(session, contentMap, attaches);
Transport.send(mimeMessage, contentMap.get("mailFrom").toString(), contentMap.get("passwd").toString());
System.out.println("Sent attaches Email successfully...");
}
} catch (Exception mex) {
mex.printStackTrace();
}
}
}
标签:get,param,contentMap,session,toString,工具,邮件
From: https://www.cnblogs.com/guozhiqiang/p/16875770.html