现在我想添加发送电子邮件的功能,并使用Thymelaf作为模板引擎.
在pom.xml中我添加:
<dependency> <groupId>org.springframework.integration</groupId> <artifactId>spring-integration-mail</artifactId> </dependency> <dependency> <groupId>javax.mail</groupId> <artifactId>mail</artifactId> <version>1.4.7</version> </dependency> <dependency> <groupId>javax.activation</groupId> <artifactId>activation</artifactId> <version>1.1.1</version> </dependency>
遵循本教程:http://www.thymeleaf.org/doc/articles/springmail.html
得到完整的(没有XML)Java配置:
@Configuration public ThymeleafReplaceConfigurator { @Bean public JavaMailSender getJavaMailSenderImpl(){ JavaMailSenderImpl javaMailSender = new JavaMailSenderImpl(); Properties props = new Properties(); /* some properties here */ javaMailSender.setJavaMailProperties(props); return javaMailSender; } @Bean public ClassLoaderTemplateResolver emailTemplateResolver(){ ClassLoaderTemplateResolver emailTemplateResolver = new ClassLoaderTemplateResolver(); emailTemplateResolver.setPrefix("/mails/"); emailTemplateResolver.setSuffix(".html"); emailTemplateResolver.setTemplateMode("HTML5"); emailTemplateResolver.setCharacterEncoding("UTF-8"); emailTemplateResolver.setorder(1); return emailTemplateResolver; } @Bean public ServletContextTemplateResolver defaultWebTemplateResolver(){ ServletContextTemplateResolver webTemplateResolver = new ServletContextTemplateResolver(); webTemplateResolver.setPrefix("/templates/"); webTemplateResolver.setSuffix(".html"); webTemplateResolver.setTemplateMode("HTML5"); webTemplateResolver.setCharacterEncoding("UTF-8"); webTemplateResolver.setorder(2); return webTemplateResolver; } @Bean public SpringTemplateEngine templateEngine(){ SpringTemplateEngine templateEngine = new SpringTemplateEngine(); templateEngine.setTemplateResolver(emailTemplateResolver()); templateEngine.setTemplateResolver(defaultWebTemplateResolver()); return templateEngine; } @Bean public ThymeleafViewResolver thymeleafViewResolver() { ThymeleafViewResolver thymeleafViewResolver = new ThymeleafViewResolver(); thymeleafViewResolver.setTemplateEngine(templateEngine()); thymeleafViewResolver.setCharacterEncoding("UTF-8"); return thymeleafViewResolver; } }
src main resources templates login.html error.html mails exampleMail.html
但它不起作用.应用程序正确启动但访问页面(没有此配置工作)会导致异常,例如:
请求处理失败;嵌套异常是org.thymeleaf.exceptions.TemplateInputException:解析模板“login”时出错,模板可能不存在,或者任何已配置的模板解析器都可能无法访问
我试图将不同的前缀放入webTemplateResolver.setPrefix但没有成功.
此外,我注意到在早期版本的Thymeleaf中报告的错误导致了但看起来它已修复,我有更新的版本.
有没有人在这种配置中看到misteake?
解决方法
Spring Boot已经配置了TemplateEngine和ThymeleafViewResolver.请参阅ThymeleafAutoConfiguration
.如果您是look at that class,您还会注意到它将自动检测您的应用程序中可能包含的任何ITemplateResolver实例,并将其添加到SpringTemplateEngine中.
除了电子邮件配置和emailTemplateResolver之外,解决方案非常简单.其他所有内容都将由Spring Boot处理.
@Configuration public class ThymeleafEmailConfiguration { @Bean public JavaMailSender getJavaMailSenderImpl(){ JavaMailSenderImpl javaMailSender = new JavaMailSenderImpl(); Properties props = new Properties(); /* some properties here */ javaMailSender.setJavaMailProperties(props); return javaMailSender; } @Bean public ClassLoaderTemplateResolver emailTemplateResolver(){ ClassLoaderTemplateResolver emailTemplateResolver = new ClassLoaderTemplateResolver(); emailTemplateResolver.setPrefix("/mails/"); emailTemplateResolver.setSuffix(".html"); emailTemplateResolver.setTemplateMode("HTML5"); emailTemplateResolver.setCharacterEncoding("UTF-8"); emailTemplateResolver.setorder(1); return emailTemplateResolver; } }
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