spring-boot 定时任务案例

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <project xmlns="http://maven.apache.org/POM/4.0.0"
 3          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5     <modelVersion>4.0.0</modelVersion>
 6 
 7     <groupId>spring-boot-scheduler</groupId>
 8     <artifactId>spring-boot-scheduler</artifactId>
 9     <version>1.0-SNAPSHOT</version>
10 
11     <!-- Spring Boot 启动父依赖 -->
12     <parent>
13         <groupId>org.springframework.boot</groupId>
14         <artifactId>spring-boot-starter-parent</artifactId>
15         <version>1.5.6.RELEASE</version>
16     </parent>
17 
18     <dependencies>
19         <!-- Spring Boot web依赖 -->
20         <dependency>
21             <groupId>org.springframework.boot</groupId>
22             <artifactId>spring-boot-starter-web</artifactId>
23         </dependency>
24         <!-- Spring Boot test依赖 -->
25         <dependency>
26             <groupId>org.springframework.boot</groupId>
27             <artifactId>spring-boot-starter-test</artifactId>
28             <scope>test</scope>
29         </dependency>
30     </dependencies>
31 
32 
33 </project>

 1 package com.goku.demo;
 2 
 3 import org.springframework.boot.SpringApplication;
 4 import org.springframework.boot.autoconfigure.SpringBootApplication;
 5 import org.springframework.boot.web.servlet.ServletComponentScan;
 6 import org.springframework.scheduling.annotation.EnableScheduling;
 7 
 8 /**
 9  * Created by nbfujx on 2017/11/20.
10  */
11 // Spring Boot 应用的标识
12 @SpringBootApplication
13 @ServletComponentScan
14 @EnableScheduling
15 public class DemoApplication {
16 
17     public static void main(String[] args) {
18         // 程序启动入口
19         // 启动嵌入式的 Tomcat 并初始化 Spring 环境及其各 Spring 组件
20         SpringApplication.run(DemoApplication.class,args);
21     }
22 }

 1 package com.goku.demo.scheduler;
 2 
 3 import org.slf4j.Logger;
 4 import org.slf4j.LoggerFactory;
 5 import org.springframework.scheduling.annotation.Scheduled;
 6 import org.springframework.stereotype.Component;
 7 
 8 /**
 9  * Created by nbfujx on 2017/12/6.
10  */
11 @Component
12 public class ExampleScheduler {
13 
14     private final Logger logger = LoggerFactory.getLogger(getClass());
15 
16     @Scheduled(cron = "*/5 * * * * * ")
17     public void loginfo() {
18        this.logger.info("this is one");
19     }
20 
21     @Scheduled(fixedRate = 5000)
22     public void loginfo2() {
23         this.logger.info("this is two");
24     }
25 
26     @Scheduled(fixedDelay = 5000)
27     public void loginfo3() {
28         this.logger.info("this is three");
29     }
30 }