springboot-任务

@RestController
public class AsyncController {
    @Autowired
    AsyncService asyncService;
    @GetMapping("/hello")
    public String hello(){
        asyncService.hello();
        return "success";
    }
}

@EnableAsync // 开启异步注解 功能
@SpringBootApplication
public class MySpringBootTaskApplication {
    public static void main(String[] args) {
        SpringApplication.run(MySpringBootTaskApplication.class, args);
    }
}

@Service
public class AsyncService {
    /**
     * @Async 告诉spring这是一个异步方法 spring会开启一个线程池
     */
    @Async
    public void hello(){
        try{
            Thread.sleep(3000);
            System.out.println("end...");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("处理数据中...");
    }
}

@Service
public class ScheduleService {
    /**
     * second,minute,hour,day of month（日）,month,day of week（周几）
     * 0 0/5 14 18 * ？每天14点，和18点，每隔5分钟执行一次
     * 0 15 10 ？ * 1-6 每隔月的周一到周六凌晨10：15分执行一次
     * 0 0 2 ？ * 6L 每个月最后一个周六凌晨2点执行一次
     * 0 0 2 LW * ？每个月的最后一个工作日凌晨2点执行一次
     * 0 0 2 2-4 ？ * 1#1 每个月的第一个周一凌晨2点到4点期间，每个整点都执行一次
     * 
     */
    @Scheduled(cron = "0/4 * * * * MON-SAT") //周一到周日 每4秒执行一次
    public void hello(){
        System.out.println("hello");
    }
}

@EnableScheduling // 开启基于注解的定时任务
@EnableAsync // 开启异步注解 功能
@SpringBootApplication
public class MySpringBootTaskApplication {

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

@RestController
public class AsyncController {
    @Autowired
    ScheduleService scheduleService;
    @GetMapping("/hello")
    public String hello(){
        scheduleService.hello();
        return "success";
    }
}

// pom.xml 注入依赖
<dependency>
    <groupId>com.sun.mail</groupId>
    <artifactId>javax.mail</artifactId>
    <version>1.6.1</version>
</dependency>

// application.properties
spring.mail.host=smtp.qq.com
spring.mail.username=935789914@qq.com
spring.mail.password=jmorsvzgrvfvbecb
spring.mail.properties.mail.smtp.ssl.enable=true

@SpringBootTest
class MySpringBootTaskApplicationTests {

    @Autowired
    JavaMailSenderImpl mailSender;

    @Test
    void contextLoads() {
        SimpleMailMessage message = new SimpleMailMessage();

        message.setSubject("通知");
        message.setText("今天是个特别的日子");

        message.setTo("935789914@qq.com");
        message.setFrom("935789914@qq.com");

        mailSender.send(message);
    }

    @Test
    void test02() throws MessagingException {
        //1. 创建一个复杂的消息邮件
        MimeMessage mimeMessage = mailSender.createMimeMessage();
        MimeMessageHelper helper = new MimeMessageHelper(mimeMessage,true);

        //2. 邮件设置
        helper.setSubject("通知");
        helper.setText("<p style=\"color:red;\">今天 7:30 开会</p>",true);

        helper.setTo("935789914@qq.com");
        helper.setFrom("935789914@qq.com");

        helper.addAttachment("sunset-above-mount-st-michael.jpg",new File("/Users/pengyapan/Downloads/PICTURE/sunset-above-mount-st-michael.jpg"));

        mailSender.send(mimeMessage);
    }

    @Test
    void test03(){
        System.out.println("\"color:red\"");
    }
}