[英]Freemarker is not displaying images on mail templates
我一直在尝试在我的 ftl 模板中发送图像,但它不起作用。
I tried base64, outlook works - gmail does not work I tried <img src="cid:logo" alt="logo">
outlook does not work - gmail does not work I tried with attachement also using cid
outlook works - gmail doesnt. ..
我怎样才能让它在两者上都起作用? 或者至少让它在 gmail 上工作......
模板.ftl
<!DOCTYPE html>
<html lang="en">
<head>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<body>
<img src="cid:logo.png" alt="logo">
</body>
</html>
Java码
@Service
public class EmailServiceImpl implements EmailService {
@Autowired
private Configuration freemarkerConfig;
@Autowired
private JavaMailSender sender;
@Override
public MailResponse sendEmail(final MailRequest mail, final String template, final Map<String, Object> model) {
final MailResponse response = new MailResponse();
final MimeMessage message = this.sender.createMimeMessage();
try {
final MimeMessageHelper helper = new MimeMessageHelper(message, true,
StandardCharsets.UTF_8.name());
final Template t = this.freemarkerConfig.getTemplate(template);
final String html = FreeMarkerTemplateUtils.processTemplateIntoString(t, model);
// addInline() not working at all...
// helper.addInline("logo.png", new ClassPathResource("logo.png"));
helper.addAttachment("logo.png", new ClassPathResource("logo.png"));
helper.setText(html, true);
helper.setTo(mail.getTo());
helper.setSubject(mail.getSubject());
helper.setFrom(mail.getFrom());
this.sender.send(message);
response.setMessage("mail send to : " + mail.getTo());
response.setSent(Boolean.TRUE);
} catch (MessagingException | IOException | TemplateException e) {
response.setMessage("Mail Sending failure : " + e.getMessage());
response.setSent(Boolean.FALSE);
}
return response;
}
}
如前所述,addInline 根本不起作用,我想让它起作用,所以我不将图像作为附件发送,这甚至不适用于 gmail 无论如何......
您需要更改辅助命令的顺序。 就我而言,我遇到了与您相同的问题。 对于内联附件,您需要使用“helper.addInline”,但顺序很重要。
以下不起作用:
helper.addInline("logo.png", new ClassPathResource("logo.png"));
helper.setText(html, true);
但这是有效的:
helper.setText(html, true);
helper.addInline("logo.png", new ClassPathResource("logo.png"));
首先,通过“setText”添加 html,之后您可以通过“addInline”添加内联附件。
这对我来说很好
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