Java 使用thymeleaf模板通过Spring发送邮件
我正在尝试使用Thymeleaf Spring应用程序模板发送邮件,我从这里获取参考资料 我没有收到任何错误,但仍然不起作用。我使用的代码与github中给出的代码相同。仍然没有运气…有人能建议如何做到这一点吗 以下是用于发送邮件的方法Java 使用thymeleaf模板通过Spring发送邮件,java,spring,jakarta-mail,thymeleaf,Java,Spring,Jakarta Mail,Thymeleaf,我正在尝试使用Thymeleaf Spring应用程序模板发送邮件,我从这里获取参考资料 我没有收到任何错误,但仍然不起作用。我使用的代码与github中给出的代码相同。仍然没有运气…有人能建议如何做到这一点吗 以下是用于发送邮件的方法 public void sendSimpleMail( final String recipientName, final String recipientEmail, final Locale locale) throws
public void sendSimpleMail(
final String recipientName, final String recipientEmail, final Locale locale)
throws MessagingException {
final Context ctx = new Context(locale);
ctx.setVariable("name", recipientName);
ctx.setVariable("subscriptionDate", new Date());
ctx.setVariable("hobbies", Arrays.asList("Cinema", "Sports", "Music"));
final MimeMessage mimeMessage = this.mailSender.createMimeMessage();
final MimeMessageHelper message = new MimeMessageHelper(mimeMessage, "UTF-8");
message.setSubject("Example HTML email (simple)");
message.setFrom("thymeleaf@example.com");
message.setTo(recipientEmail);
// Create the HTML body using Thymeleaf
final String htmlContent = this.templateEngine.process("email-simple.html", ctx);
message.setText(htmlContent /* isHtml */);
// Send email
System.out.println("........");
this.mailSender.send(mimeMessage);
}
如果我删除使用thymeleaf创建html正文的行并发送一封普通邮件,它可以工作,但不使用模板
这是导致问题的线路。。。只需重定向到错误页面
final String htmlContent = this.templateEngine.process("email-simple.html", ctx);
下面是我得到的错误
org.thymeleaf.exceptions.TemplateProcessingException: Resource resolution by ServletContext with org.thymeleaf.resourceresolver.ServletContextResourceResolver can only be performed when context implements org.thymeleaf.context.IWebContext [current context: org.thymeleaf.context.Context]
at org.thymeleaf.resourceresolver.ServletContextResourceResolver.getResourceAsStream(ServletContextResourceResolver.java:74)
at org.thymeleaf.TemplateParser.parseDocument(TemplateParser.java:254)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:812)
at org.thymeleaf.TemplateEngine.process(TemplateEngine.java:769)
at com.ivb.coep.other.EmailService.sendSimpleMail(EmailService.java:72)
at com.ivb.coep.controller.MainController.sendTextMail(MainController.java:83)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:213)
at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:126)
at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:96)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:617)
at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:578)
at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:80)
at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:923)
at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:852)
at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:882)
at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:789)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:647)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:88)
at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:312)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
我终于让它工作了。。。 我改了下面一行
final Context ctx = new Context(locale);
与
现在我可以发送任何模板或附件任何工程伟大的 您之所以会遇到此问题,似乎是因为WEB-INF/classes文件夹中没有邮件文件夹
<bean id="emailTemplateResolver" class="org.thymeleaf.templateresolver.ClassLoaderTemplateResolver">
<property name="prefix" value="mail/" />
<property name="templateMode" value="HTML5" />
<property name="characterEncoding" value="UTF-8" />
<property name="order" value="1" />
<!-- Template cache is true by default. Set to false if you want -->
<!-- templates to be automatically updated when modified. -->
<property name="cacheable" value="true" />
</bean>
根据下面提到的配置,在WEB-INF/classes文件夹中需要一个邮件文件夹
<bean id="emailTemplateResolver" class="org.thymeleaf.templateresolver.ClassLoaderTemplateResolver">
<property name="prefix" value="mail/" />
<property name="templateMode" value="HTML5" />
<property name="characterEncoding" value="UTF-8" />
<property name="order" value="1" />
<!-- Template cache is true by default. Set to false if you want -->
<!-- templates to be automatically updated when modified. -->
<property name="cacheable" value="true" />
</bean>
因此,在“资源”文件夹中创建一个名为“mail”的文件夹,并将邮件模板保存在“mail”文件夹中。确保在部署时将此“邮件”文件夹放在WEB-INF/classes文件夹中。这应该能解决你的问题
在我看来,我们不应该使用WebContext,因为它需要一个“请求”对象,并且邮件与请求的强耦合不是一个好主意。如果你想在/WEB-INF/下面的某个地方找到模板,但不想使用ServletContextTemplateResolver,那么试试SpringResourceTemplateResolver,例如
TemplateResolver templateResolver = new SpringResourceTemplateResolver();
templateResolver.setPrefix("/WEB-INF/mailtemplates/");
我知道这是一个老生常谈的答案,但不走这条路的一个原因是您将依赖@real gadha提到的请求。对于测试应用程序来说,这可能没问题,但是如果以后在执行其他逻辑时使用Spring的ApplicationEvent结构来侦听事件并发送电子邮件,则可能无法访问请求。您是如何在此处获取请求对象的?