SpringBoot三种任务

任务

• 异步任务

启动类加上@EnableAsync注解

@EnableAsync
@SpringBootApplication
public class Springboot10MessionyibuApplication {

    public static void main(String[] args) {
        SpringApplication.run (Springboot10MessionyibuApplication.class, args);
    }

}

将方法标注为异步方法 @Async

@Service
public class AsyncService {
    //告诉spring这是一个异步的方法
    @Async
    public void hello(){
        try {
            Thread.sleep (3000);
        } catch (InterruptedException e) {
            e.printStackTrace ();
        }
        System.out.println ("数据正在处理。。。");
    }

}

• 定时任务

• 邮件任务

导入依赖

<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-mail</artifactId>
        </dependency>

开启qq邮箱中Smtp服务

配置文件

spring.mail.username=xxxxxxxxx@qq.com
spring.mail.password=xxxxxxxxxxxx
spring.mail.host=smtp.qq.com
#开启加密验证
spring.mail.properties.mail.smtp.ssl.enable=true

编写内容测试

//一般放到Controller或着封装为一个方法
@SpringBootTest
class Springboot10MessionyibuApplicationTests {
    @Autowired
    JavaMailSender javaMailSender;
    @Test
    //简单邮件发送
    void contextLoads() {
        SimpleMailMessage simpleMailMessage = new SimpleMailMessage ();

        simpleMailMessage.setSubject ("jsp 你好");
        simpleMailMessage.setText ("谢谢");
        simpleMailMessage.setTo ("xxxxxxxxx@qq.com");
        simpleMailMessage.setFrom ("xxxxxxxxx@qq.com");

        javaMailSender.send (simpleMailMessage);
    }
    @Test
        //复杂邮件发送
    void contextLoads1() throws MessagingException {
        MimeMessage mimeMessage = javaMailSender.createMimeMessage ();

        //组装
        MimeMessageHelper helper = new MimeMessageHelper (mimeMessage,true);
        helper.setSubject ("slla");
        helper.setText ("<p>xxxx<p>",true);//html样式
        helper.setTo ("xxxxxxxxx@qq.com");
        helper.setFrom ("xxxxxxxxx@qq.com");
        //附件
        helper.addAttachment ("1.jpg",new File ("C:\\Users\\Administrator\\Desktop\\1.jpg"));
        javaMailSender.send (mimeMessage);
    }
     //封装为一个工具类
    /**
    * @Param html
    * @Param subject
    * @throws MessagingException
    * @Author Liuyunsan
    * */
    public void sendMail(Boolean html, String  subject,String text,String to,String from,String Filename,String Filepath) throws MessagingException {
        MimeMessage mimeMessage = javaMailSender.createMimeMessage ();

        //组装
        MimeMessageHelper helper = new MimeMessageHelper (mimeMessage,true);
        helper.setSubject (subject);
        helper.setText (text,html);//html样式
        helper.setTo (to);
        helper.setFrom (from);
        //附件
        helper.addAttachment (Filename,new File (Filepath));
        javaMailSender.send (mimeMessage);
    }

}

标签：qq,SpringBoot,helper,simpleMailMessage,任务,三种,mail,mimeMessage,String
来源： https://www.cnblogs.com/Liuyunsan/p/15646194.html