第二十一章 springboot + 定时任务

#cron
job.everysecond.cron=0/1 * * * * *
job.everytensecond.cron=0/10 * * * * *

job.everyminute.cron=0 0/1 * * * *
job.everysecond2.cron=* 0/1 * * * *

 1 package com.xxx.secondboot.cron;
 2 
 3 import java.util.Date;
 4 
 5 import org.apache.commons.lang3.time.DateFormatUtils;
 6 import org.springframework.context.annotation.Configuration;
 7 import org.springframework.scheduling.annotation.Scheduled;
 8 import org.springframework.stereotype.Component;
 9 
10 /**
11  * cron测试
12  */
13 //@Configuration
14 @Component
15 public class CronJobTest {
16 
17     int i = 0;
18 
19     @Scheduled(cron = "${job.everysecond.cron}")
20     public void everySecond() {
21         System.out.println("第" + (++i) + "次调用，每秒任务，当前时间：" + nowTime());
22     }
23     
24     private String nowTime() {
25         return DateFormatUtils.format(new Date(), "yyyy-MM-dd HH:mm:ss");
26     }
27 }

 1 package com.xxx.secondboot;
 2 
 3 import org.springframework.boot.SpringApplication;
 4 import org.springframework.boot.autoconfigure.SpringBootApplication;
 5 import org.springframework.scheduling.annotation.EnableScheduling;
 6 
 7 import springfox.documentation.swagger2.annotations.EnableSwagger2;
 8 
 9 @SpringBootApplication
10 @EnableSwagger2
11 @EnableScheduling
12 public class Application {
13     public static void main(String[] args) {
14         SpringApplication.run(Application.class, args);
15     }
16 }