您正在使用Spring Boot，然后让Spring
Boot完成已经完成的繁重工作。删除你的构造，简单
@Autowire的
JavaMailSender和
SpringTemplateEngine。
将邮件配置添加到中
application.properties。
spring.mail.host=your-mail-serverspring.mail.port=spring.mail.usernamespring.mail.password
将百里香叶配置添加到application.properties
# THYMELEAF (ThymeleafAutoConfiguration)spring.thymeleaf.check-template-location=truespring.thymeleaf.prefix=classpath:/templates/spring.thymeleaf.excluded-view-names= # comma-separated list of view names that should be excluded from resolutionspring.thymeleaf.view-names= # comma-separated list of view names that can be resolvedspring.thymeleaf.suffix=.htmlspring.thymeleaf.mode=HTML5spring.thymeleaf.encoding=UTF-8spring.thymeleaf.content-type=text/html # ;charset=<encoding> is addedspring.thymeleaf.cache=true # set to false for hot refresh
如果您这样做了，就改变您的班级
@Servicepublic class MailService { @Autowired private JavaMailSender mailSender; @Autowired private SpringTemplateEngine templateEngine; @Value("${spring.mail.username}") private String username; public void enviarRelatorio(String nome, String email, String obra,long medicao, Locale locale) throws MessagingException { String subject = "Novo relatório"; final Context ctx = new 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); message.setTo(email); try { message.setFrom(new InternetAddress(username, "Sistema")); } catch (UnsupportedEncodingException e) { } final String htmlContent = this.templateEngine.process( "email-relatorio", ctx); message.setText(htmlContent, true); try { message.addInline("logo.jpg", new FileSystemResource("imgs/logo-pro.jpg"), "image/jpg"); } catch (IOException e) { e.printStackTrace(); } this.mailSender.send(mimeMessage); }}
