package schedule; import java.util.Date; import java.util.concurrent.ScheduledFuture; import javax.annotation.PostConstruct; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.context.annotation.Bean; import org.springframework.scheduling.Trigger; import org.springframework.scheduling.TriggerContext; import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler; import org.springframework.scheduling.support.CronTrigger; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; @Controller @SpringBootApplication public class ScheduleApplication { @Autowired private ThreadPoolTaskScheduler threadPoolTaskScheduler; @Bean public ThreadPoolTaskScheduler threadPoolTaskScheduler(){ return new ThreadPoolTaskScheduler(); } private ScheduledFuture> future; @RequestMapping ( "/" ) @ResponseBody public String home(){ return "home" ; } ///方法一 @RequestMapping ( "/startCron" ) @ResponseBody public String startCron(){ System.out.println( "x0" ); //threadPoolTaskScheduler.shutdown(); future = threadPoolTaskScheduler.schedule( new Say(), new CronTrigger( "*/5 * * * * *" )); System.out.println( "x1" ); return "x" ; } @RequestMapping ( "/stopCron" ) @ResponseBody public String stopCron(){ System.out.println( "stop >>>>>" ); if (future != null ) { future.cancel( true ); } //future = threadPoolTaskScheduler.schedule(new Say(), new CronTrigger("*/5 * * * * *")); System.out.println( "stop <<<<<" ); return "stop cron" ; } @RequestMapping ( "/startCron10" ) @ResponseBody public String startCron10(){ System.out.println( "x100" ); future = threadPoolTaskScheduler.schedule( new Say10(), new CronTrigger( "*/12 * * * * *" )); System.out.println( "x101" ); return "x10" ; } ///方法二 private String cronStr = "*/5 * * * * *" ; @RequestMapping ( "/startCron1" ) @ResponseBody public String startCron1(){ System.out.println( "startCron1 >>>>" ); threadPoolTaskScheduler.schedule( new Say(), new Trigger(){ @Override public Date nextExecutionTime(TriggerContext triggerContext){ return new CronTrigger(cronStr).nextExecutionTime(triggerContext); } }); System.out.println( "startCron1 <<<<" ); return "*****" ; } @PostConstruct public void start(){ startCron1(); } @RequestMapping ( "/changeCronStr" ) @ResponseBody public String changeCronStr(){ cronStr = "*/12 * * * * *" ; System.out.println( "change " + cronStr); return cronStr; } @RequestMapping ( "/changeCronStr5" ) @ResponseBody public String changeCronStr5(){ cronStr = "*/5 * * * * *" ; System.out.println( "change " + cronStr); return cronStr; } public static void main(String[] args) { SpringApplication.run(ScheduleApplication. class , args); } } |