我正在使用Thymeleaf SpringTemplateEngine为我的Spring应用程序创建HTML电子邮件。当我使用纯Spring MVC时一切都很完美。现在使用Spring Boot时,该类找不到我的.html模板。我认为问题出在ServletContext上,它没有返回正确的路径,但我无法弄清楚如何解决它。那么我应该使用另一个上下文来处理模板吗?哪一个?
这是我的MailService适用于纯Spring MVC。
@Service
public class MailService {
private JavaMailSenderImpl mailSender;
private SpringTemplateEngine templateEngine;
public MailService() {
mailSender = new JavaMailSenderImpl();
//mailSender config
templateEngine = new SpringTemplateEngine();
Set<ITemplateResolver> templatesResolvers = new HashSet<ITemplateResolver>();
ClassLoaderTemplateResolver emailTemplateResolver = new ClassLoaderTemplateResolver();
emailTemplateResolver.setPrefix("mail/");
emailTemplateResolver.setTemplateMode("HTML5");
emailTemplateResolver.setCharacterEncoding("UTF-8");
emailTemplateResolver.setOrder(1);
templatesResolvers.add(emailTemplateResolver);
ServletContextTemplateResolver webTemplateResolver = new ServletContextTemplateResolver();
webTemplateResolver.setPrefix("/mail/");
webTemplateResolver.setTemplateMode("HTML5");
webTemplateResolver.setCharacterEncoding("UTF-8");
webTemplateResolver.setOrder(2);
templatesResolvers.add(webTemplateResolver);
templateEngine.setTemplateResolvers(templatesResolvers);
}
public void sendReport(String nome, String email, String obra,
long medicao, HttpServletRequest request,
HttpServletResponse response, ServletContext context, Locale locale)
throws MessagingException {
String subject = "Novo relatório";
final WebContext ctx = new WebContext(request, response, context,
locale);
ctx.setVariable("nome", nome);
ctx.setVariable("obra", obra);
ctx.setVariable("data", DataUtils.getInstance().getDataString(medicao));
ctx.setVariable("logo", "logo.jpg");
final MimeMessage mimeMessage = this.mailSender.createMimeMessage();
final MimeMessageHelper message = new MimeMessageHelper(mimeMessage,
true, "UTF-8");
message.setSubject(subject);
try {
message.setFrom(new InternetAddress(mailSender.getUsername(),
"Sistema"));
} catch (UnsupportedEncodingException e) {
}
message.setTo(email);
final String htmlContent = this.templateEngine.process(
"email-relatorio.html", ctx);
message.setText(htmlContent, true);
try {
File file = new File(context.getRealPath("app/img/logo-pro.jpg"));
InputStreamSource imageSource = new ByteArrayResource(
IOUtils.toByteArray(new FileInputStream(file)));
message.addInline("logo.jpg", imageSource, "image/jpg");
} catch (IOException e) {
e.printStackTrace();
}
this.mailSender.send(mimeMessage);
}
}
错误:
org.thymeleaf.exceptions.TemplateInputException: Error resolving template "email-relatorio.html", template might not exist or might not be accessible by any of the configured Template Resolvers
at org.thymeleaf.TemplateRepository.getTemplate(TemplateRepository.java:246)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1104)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1060)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:1011)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:924)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:898)
getUsename
,而是应该使用基于@Value
的属性注入。请参见修改后的代码。由于AOP可用,所以强制转换可能会有问题,因此您只能将其强制转换为接口而不是JavaMailSenderImpl
。除此之外,您应该编写面向接口而不是具体类的程序... 另外,src/main/resources/templates
是默认位置,因此您不需要进行配置。 - M. Deinum