Spring Boot定时任务的使用方法

package org.springboot.sample.config;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.context.annotation.Configuration;import org.springframework.scheduling.annotation.EnableScheduling;import org.springframework.scheduling.annotation.Scheduled;/** * 定时任务配置类 * * @author 单红宇(365384722) * @myblog http://blog.csdn.net/catoop/ * @create 2016年3月21日 */@Configuration@EnableScheduling // 启用定时任务public class SchedulingConfig {  private final Logger logger = LoggerFactory.getLogger(getClass());  @Scheduled(cron = "0/20 * * * * ?") // 每20秒执行一次  public void scheduler() {    logger.info(">>>>>>>>>>>>> scheduled ... ");  }}