Javamail构建电子邮件正文-包含来自多个表单域的数据- android studio

implementation 'com.sun.mail:android-mail:1.6.2'
implementation 'com.sun.mail:android-activation:1.6.2'

MimeMessage message = new MimeMessage(session);
message.setFrom(new InternetAddress("sender@example.com"));
message.addRecipient(Message.RecipientType.TO, new InternetAddress("recipient@example.com"));
message.setSubject("Hello from Javamail");

MimeMultipart multipart = new MimeMultipart();
MimeBodyPart textPart = new MimeBodyPart();
textPart.setText("This is the text part of the email.");
multipart.addBodyPart(textPart);

MimeBodyPart attachmentPart = new MimeBodyPart();
DataSource source = new FileDataSource("path/to/file");
attachmentPart.setDataHandler(new DataHandler(source));
attachmentPart.setFileName("filename.txt");
multipart.addBodyPart(attachmentPart);

message.setContent(multipart);

Transport.send(message);