我正在尝试发送带有嵌入式图像的电子邮件,但是该图像以附件而不是嵌入式的形式发送。
MimeMessage mimeMessage = javaMailSender.createMimeMessage();
try {
String filename = "logo.jpeg";
mimeMessage.setFrom(new InternetAddress("Bridge"));
mimeMessage.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
mimeMessage.setSubject(subject);
MimeMultipart multipart = new MimeMultipart();
BodyPart messageBodyPart = new MimeBodyPart();
messageBodyPart.setContent(content, "text/html");
multipart.addBodyPart(messageBodyPart);
messageBodyPart = new MimeBodyPart();
DataSource fds = new ByteArrayDataSource(IOUtils.toByteArray(resourceFile.getInputStream()), MediaType.IMAGE_JPEG_VALUE);
messageBodyPart.setDataHandler(new DataHandler(fds));
messageBodyPart.setDisposition(MimeBodyPart.INLINE);
messageBodyPart.setFileName(filename);
messageBodyPart.setHeader("Content-ID", "<logoimg>");
messageBodyPart.setHeader("Content-Type", MediaType.IMAGE_JPEG_VALUE);
multipart.addBodyPart(messageBodyPart);
mimeMessage.setContent(multipart);
mimeMessage.saveChanges();
javaMailSender.send(mimeMessage);
} catch (MailException | MessagingException | IOException e) {
log.warn("Email could not be sent to user '{}'", to, e);
}
这是我的图像HTML代码:
<img width="100" height="50" src="|cid:logoimg|" alt="phoenixlogo"/>
我尝试了所有的多部分类型:“混合”,“相对”,“替代”,但无法正常工作。
您需要添加单独的MimeBodyPart
:例如
BodyPart imgPart = new MimeBodyPart();
DataSource ds = new FileDataSource("D:/image.jpg");
imgPart.setDataHandler(new DataHandler(ds));
imgPart.setHeader("Content-ID", "<the-img-1>");
multipart.addBodyPart(imgPart);
然后在html中将图像引用为:
<br>" + "<img src=\"cid:the-img-1\"/><br/>
[您不需要嵌入式图像,您需要引用附加图像的html正文。为此,您需要多部分/相关消息。参见JavaMail FAQ。