spring bootのメール送信

pomパッケージ配置

    org.springframework.boot
    spring-boot-starter-mail



    org.springframework.boot
    spring-boot-starter-freemarker
   

テンプレートエンジンの設定

spring:
  freemarker:
    template-loader-path: classpath:/templates/

メールサーバの設定

spring:
    mail
        host: smtp.qq.com 
        username: [email protected] 
        password: cumhxmicujosbjii #  POP3            
        default-encoding: UTF-8

簡単なテキストメール

@Override
public void sendSimpleMail(String to, String subject, String content) throws MailException {
    SimpleMailMessage message = new SimpleMailMessage();
    message.setFrom(from); //      
    message.setTo(to); //      
    message.setSubject(subject); //   
    message.setText(content); //   

    mailSender.send(message);
}

写真付きメールを送信します.
controlerのコード

@ApiOperation(value = "html    " ,  notes="html    ")
@GetMapping("/testHtml")
public ResultVo testHtml() throws IOException, TemplateException, MessagingException {
    Map model = new HashMap();
    model.put("UserName", "yao");
    Template template = configuration.getTemplate("welcome.ftl");
    String html = FreeMarkerTemplateUtils.processTemplateIntoString(template, model);

    emailService.sendHtmlMail("[email protected]","html  ",html);
    return ResultUtils.success();
}

serviceのコード

@Override
public void sendHtmlMail(String to, String subject, String content) throws MessagingException {
    MimeMessage message = mailSender.createMimeMessage();
    //true            multipart message
    MimeMessageHelper helper = new MimeMessageHelper(message, true);
    helper.setFrom(from);
    helper.setTo(to);
    helper.setSubject(subject);
    helper.setText(content, true);
    mailSender.send(message);
}