我认为 Liferay 没有办法做到这一点(至少在 6.2 版中没有)。但我使它与标准的 Java 方法一起工作。以下与 Liferay 界面非常相似。
public void send(TemplateEmailerMailMessage mailMessage) throws UnsupportedEncodingException {
Properties properties = System.getProperties();
Session session = Session.getDefaultInstance(properties);
try {
MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress(mailMessage.getFromEmail(), mailMessage.getFromName()));
message.addRecipient(Message.RecipientType.TO, new InternetAddress(mailMessage.getTo()));
message.setSubject(mailMessage.getSubject());
if (mailMessage.isHtmlFormat()) {
message.setText(mailMessage.getBody(), "text/html");
} else {
message.setText(mailMessage.getBody());
}
// create container for attachments and body parts
Multipart multipart = new MimeMultipart();
// Create the message part
BodyPart messageBodyPart = new MimeBodyPart();
messageBodyPart.setContent(mailMessage.getBody(), "text/html; charset=UTF-8");
multipart.addBodyPart(messageBodyPart);
// add attachments one by one
for (File file : mailMessage.getFileAttachments()) {
BodyPart messageAttachmentPart = new MimeBodyPart();
DataSource source = new FileDataSource(file);
messageAttachmentPart.setDataHandler(new DataHandler(source));
messageAttachmentPart.setFileName(file.getName());
// set Content-ID so it is recognized by <img src="cid: ... ">
messageAttachmentPart.setHeader("Content-ID", "<" + file.getName() + ">");
multipart.addBodyPart(messageAttachmentPart);
}
// Send the complete message parts
message.setContent(multipart);
// Send message
Transport.send(message);
} catch (MessagingException mex) {
mex.printStackTrace();
}
}
消息对象
public class TemplateEmailerMailMessage {
private String fromEmail;
private String fromName;
private String to;
private String body;
private String subject;
private boolean htmlFormat;
private List<File> fileAttachments = new ArrayList<>();
public void addAttachment(File file) {
fileAttachments.add(file);
}
public String getBody() {
return body;
}
public void setBody(String body) {
this.body = body;
}
public String getSubject() {
return subject;
}
public void setSubject(String subject) {
this.subject = subject;
}
public boolean isHtmlFormat() {
return htmlFormat;
}
public void setHtmlFormat(boolean htmlFormat) {
this.htmlFormat = htmlFormat;
}
public List<File> getFileAttachments() {
return fileAttachments;
}
public void setFileAttachments(List<File> fileAttachments) {
this.fileAttachments = fileAttachments;
}
public String getFromEmail() {
return fromEmail;
}
public void setFromEmail(String fromEmail) {
this.fromEmail = fromEmail;
}
public String getFromName() {
return fromName;
}
public void setFromName(String fromName) {
this.fromName = fromName;
}
public String getTo() {
return to;
}
public void setTo(String to) {
this.to = to;
}
public void setFrom(String fromEmail, String fromName) {
this.fromEmail = fromEmail;
this.fromName = fromName;
}
}