Spring Boot实现简单的定时任务

@Component
@EnableScheduling
public class AllianceDiscountsActivityJob {
 @Autowired
 private AllianceDiscountsActivityService allianceDiscountsActivityService;

 // @Scheduled(cron = "0 0 0 * * ?")
 @Scheduled(cron = "0 */1 * * * ?")
 public void checkAllianceDiscounts()throws Exception{
  allianceDiscountsActivityService.checkAllianceDiscounts();
 }
}

public interface AllianceDiscountsActivityService {

 void checkAllianceDiscounts() throws Exception;
}

 @Override
 public void checkAllianceDiscounts() throws Exception {
  int num=allianceDiscountsActivityMapper.checkAllianceDiscountActivity();
 }

public interface AllianceDiscountsActivityMapper {
  int checkAllianceDiscountActivity();
}

 <update id="checkAllianceDiscountActivity" parameterType="java.lang.String">
 update alliance set status=3 WHERE start_time <![CDATA[<=]]> NOW() and is_del=0 and status=1;
 update alliance set status=2 WHERE end_time <![CDATA[<=]]> NOW() and is_del=0 and status=3;
 </update>