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

package com.xingguo.logistics.controller;import java.util.concurrent.Executor;import org.springframework.aop.interceptor.AsyncUncaughtExceptionHandler;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.EnableScheduling;@Configuration
@ComponentScan({"com.xingguo.logistics.service.aspect")@EnableScheduling
public class AopConfig{}package com.xingguo.logistics.service.aspect;import java.text.SimpleDateFormat;
import java.util.Date;import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;@Service
public class TestService2 {private static final SimpleDateFormat format = new SimpleDateFormat("HH:mm:ss");//初始延迟1秒，每隔2秒@Scheduled(fixedRateString = "2000",initialDelay = 1000)public void testFixedRate(){System.out.println("fixedRateString,当前时间：" +format.format(new Date()));}//每次执行完延迟2秒@Scheduled(fixedDelayString= "2000")public void testFixedDelay(){System.out.println("fixedDelayString,当前时间：" +format.format(new Date()));}//每隔3秒执行一次@Scheduled(cron="0/3 * * * * ?")public void testCron(){System.out.println("cron,当前时间：" +format.format(new Date()));}
}package com.xingguo.logistics.controller;import org.springframework.context.annotation.AnnotationConfigApplicationContext;public class TestController {public static void main(String[] args) {AnnotationConfigApplicationContext context = new AnnotationConfigApplicationContext(AopConfig.class);}
}