用JAVAMAIL如何设置content-type等参数？？急

Question

try something likemessageBodyPart = new MimeBodyPart();
messageBodyPart.setDisposition(javax.mail.Part.ATTACHMENT);
messageBodyPart.setContent("smil file contents","application/smil");
messageBodyPart.setFileName("1.smil");
multipart.addBodyPart(messageBodyPart);

Answer 1

MimeBodyPart part;
  MimeMultipart content=new MimeMultipart();
 part=new MimeBodyPart();
                                FileDataSource fds = new FileDataSource(filename);
                                part.setDataHandler(new DataHandler(fds));
                                part.setFileName(MimeUtility.encodeText(fds.getName()));                                content.addBodyPart(part);