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java - Spring Boot - 无法使用 thymeleaf 邮件模板添加内联图像

转载 作者:行者123 更新时间:2023-12-05 06:21:19 25 4
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我正在尝试像在教程中那样在 thymeleaf 电子邮件 html 模板中添加内联图像,但没有任何效果。

这是我在服务类中的方法:

public void sendOrderDetailsEmail(PortfolioModel model)  {  
try {

MimeMessage mimeMessage = mailSender.createMimeMessage();
MimeMessageHelper message = new MimeMessageHelper(mimeMessage, true, "UTF-8");
Context context = new Context();
context.setVariable("portfolio", model);
context.setVariable("products", model.getProducts());
context.setVariable("logo", "logo");

String htmlContent = templateEngine.process(ORDER_DETAILS_HTML, context);
message.addInline("logo", new ClassPathResource("images/logo.png"), "image/png");

LOG.info("Sending order configuration email to " + model.getUser().email);
configureMessage(message, model.getUser().email, "Order details", htmlContent);
mailSender.send(mimeMessage);
} catch (Exception e) {
LOG.error(e);
}
}

private void configureMessage(MimeMessageHelper message, String to, String subject, String content)
{
message.setFrom(new InternetAddress("myemail@address.org", "info"));
message.setTo(to);
message.setSubject(subject);
message.setText(content, true /* is html */);
}


这是我的 thymeleaf HTML 模板:

<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://thymeleaf.org">
<head>
</head>
<body>
<p>
<img src="logo.png" th:src="|cid:${logo}|" />
</p>
<div th:object="${portfolio}">
<p><span th:utext="${portfolio.user.fullname}"></span></p>
<p><b>Your order id: </b><span th:utext="${portfolio.orderId}"></span></p>
<p><b>Order information:</b></p>
<div th:if="${products} != null">
<table>
<tr th:each="product : ${products}">
- Product:
<td th:text="${product.model}"></td >
<td th:text="${product.year}"></td >
<td th:text="${product.color}"></td >
</tr>
</table>
</div>
</div>
</body>
</html>


所有在 <img src=...>之上没有出现,工作得很好。

最佳答案

您需要像这样将消息初始化为多部分消息:

final MimeMessageHelper message = new MimeMessageHelper(mimeMessage, MimeMessageHelper.MULTIPART_MODE_MIXED, "UTF-8"); // true = multipart

仅仅将 multipart 设置为 true 是不够的。

关于java - Spring Boot - 无法使用 thymeleaf 邮件模板添加内联图像,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/59862240/

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