springboot 邮件

<!-- 邮件end -->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-mail</artifactId>
</dependency>
<!--freemarker模板引擎-->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-freemarker</artifactId>
</dependency>

# JavaMailSender 邮件发送的配置s
spring.mail.host=smtp.qq.com
spring.mail.username=97248@qq.com
spring.mail.password=klfncwbbhd
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.starttls.required=true
# JavaMailSender 邮件发送的配置e

@Autowired
private JavaMailSender mailSender; //自动注入的Bean
@Value("${spring.mail.username}")
private String mailFrom; //读取配置文件中的参数
@Value("${spring.mail.password}")
private String password; //读取配置文件中的参数
private String mailTo = "1336956709@qq.com"; // 加载收件人地址
@Autowired
private FreeMarkerConfigurer freeMarkerConfigurer;  //自动注入

@RequestMapping(value = "/sendMail", method = RequestMethod.GET)
    public void sendMail() {

//        测试

        MimeMessage message = null;
        try {
            message = mailSender.createMimeMessage();
            MimeMessageHelper helper = new MimeMessageHelper(message, true);
            helper.setFrom(mailFrom);
            helper.setTo(mailTo);
            helper.setSubject("主题：额度发放");
            Map<String, Object> model = new HashMap<>();
            model.put("resTypeName", "服务资源");
            model.put("resName", "小车00001");
            model.put("quota", "10000");
            //读取 html 模板
            Template template = freeMarkerConfigurer.getConfiguration().getTemplate("mailtemplats/sendQuota.ftl");
            String html = FreeMarkerTemplateUtils.processTemplateIntoString(template, model);
            helper.setText(html, true);
            System.out.println("发送成功");
        } catch (Exception e) {
            e.printStackTrace();
            System.out.println(e.toString());
            System.out.println("发送失败");
        }
        mailSender.send(message);
//        测试
    }