Java - 使用 javax.mail 库更改电子邮件附件的名称
Java - Change the name of email attachment using javax.mail library
这是我当前的代码。它正确地发送了一封带有附件的电子邮件，但发送的附件的文件名是我计算机上文件的完整路径。我希望它显示为文件名（即 "name_of_file.zip" 而不是“/Users/MyUser/Desktop/name_of_file.zip”）。有办法吗？
</p>
<pre> public void sendMailWithAttachments () {
Properties props = new Properties();
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.port", "587");
Session session = Session.getInstance(props, new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(username, password); }});
String msgBody = "Body of email";
String fileAttachment = "/Users/MyUser/Desktop/name_of_file.zip";
try {
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress("me@email.com"));
msg.addRecipient(Message.RecipientType.TO, new InternetAddress("person@email.com"));
msg.setSubject("Email Subject!");
MimeBodyPart messageBodyPart = new MimeBodyPart();
messageBodyPart.setText(msgBody);
Multipart multipart = new MimeMultipart();
multipart.addBodyPart(messageBodyPart);
messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(fileAttachment);
messageBodyPart.setDataHandler(new DataHandler(source));
messageBodyPart.setFileName(fileAttachment);
multipart.addBodyPart(messageBodyPart);
msg.setContent(multipart);
Transport.send(msg);
} catch (AddressException e) {
System.out.println(e);
} catch (MessagingException e) {
System.out.println(e);
}
}
变化：
messageBodyPart.setFileName(fileAttachment);
致：
messageBodyPart.setFileName(new File(fileAttachment).getName());
这是我当前的代码。它正确地发送了一封带有附件的电子邮件，但发送的附件的文件名是我计算机上文件的完整路径。我希望它显示为文件名（即 "name_of_file.zip" 而不是“/Users/MyUser/Desktop/name_of_file.zip”）。有办法吗？
</p>
<pre> public void sendMailWithAttachments () {
Properties props = new Properties();
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.starttls.enable", "true");
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.port", "587");
Session session = Session.getInstance(props, new javax.mail.Authenticator() {
protected PasswordAuthentication getPasswordAuthentication() { return new PasswordAuthentication(username, password); }});
String msgBody = "Body of email";
String fileAttachment = "/Users/MyUser/Desktop/name_of_file.zip";
try {
Message msg = new MimeMessage(session);
msg.setFrom(new InternetAddress("me@email.com"));
msg.addRecipient(Message.RecipientType.TO, new InternetAddress("person@email.com"));
msg.setSubject("Email Subject!");
MimeBodyPart messageBodyPart = new MimeBodyPart();
messageBodyPart.setText(msgBody);
Multipart multipart = new MimeMultipart();
multipart.addBodyPart(messageBodyPart);
messageBodyPart = new MimeBodyPart();
DataSource source = new FileDataSource(fileAttachment);
messageBodyPart.setDataHandler(new DataHandler(source));
messageBodyPart.setFileName(fileAttachment);
multipart.addBodyPart(messageBodyPart);
msg.setContent(multipart);
Transport.send(msg);
} catch (AddressException e) {
System.out.println(e);
} catch (MessagingException e) {
System.out.println(e);
}
}
变化：
messageBodyPart.setFileName(fileAttachment);
致：
messageBodyPart.setFileName(new File(fileAttachment).getName());