附件不为MimeMessageHelper Spring工作

Question

我正在使用SpringFramework尝试使用zip附件发送邮件。然而，每次邮件都没有附件，邮件也没有主题，格式不当。以下是收到的邮件样本

-----=_Part_0_26427166.1408022473482
Content-Type: multipart/related; boundary="----=_Part_1_7846309.1408022473566"
------=_Part_1_7846309.1408022473566
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Hi,
The attached spreadsheet contains a attachment
Please do not hesitate to contact us on the details below with any queries.
Many thanks for your assistance.

------=_Part_1_7846309.1408022473566--
------=_Part_0_26427166.1408022473482
Content-Type: application/zip; name=Details.zip
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename=Details.zip

81oAzlM+ZGz7u+8GiaN9S+kXWndHm82/62wMeRMcrP4yA64ihuMPk6YuvIpaFubSkjhgt9f6GMlK
nSLtW3zWKKdcMyO1WjAqgpobIAfRKoub5rd8kRhvsp28x9cblrN9CewpHTkJq4jVkKcRU1Cyz5K5
==
------=_Part_0_26427166.1408022473482--

Answer 1

我使用以下代码在我的应用程序中发送电子邮件:

private String from;
private JavaMailSender mailSender;
private VelocityEngine velocityEngine;
public void send(String to, String subject, String vt, String[] files, Map<String, Object> model) {
    MimeMessage msg=mailSender.createMimeMessage();
    try {
        MimeMessageHelper helper = new MimeMessageHelper(msg, true, "UTF-8");
        helper.setTo(to);
        helper.setFrom(from);
        helper.setText(VelocityEngineUtils.mergeTemplateIntoString(velocityEngine, vt, "UTF-8", model), true);
        helper.setSubject(subject);
        FileSystemResource file;
        if(files!=null) {
            //add attachments
            for(String f : files ) {
                file = new FileSystemResource(new File(f));
                helper.addAttachment(file.getFilename(), file);
            }
        }
        mailSender.send(msg);
    } catch(MessagingException me) {
        log.error("Cannot send email message");
    }
}

你可以和你的代码