鍦↗ava涓缃畾鏃朵换鍔℃湁澶氱鏂瑰紡锛屼互涓嬫槸鍏朵腑鍑犵甯歌鐨勬柟娉曪細

1. 浣跨敤Timer绫诲拰TimerTask绫伙細Timer绫荤敤浜庡畨鎺掑欢杩熶换鍔℃墽琛岋紝TimerTask绫绘槸涓€涓娊璞＄被锛岀敤浜庡畾涔夊叿浣撶殑浠诲姟銆傞€氳繃鍒涘缓Timer瀵硅薄鍜岀户鎵縏imerTask绫诲苟瀹炵幇鍏秗un()鏂规硶锛岀劧鍚庝娇鐢═imer鐨剆chedule()鏂规硶璁剧疆浠诲姟鐨勬墽琛屾椂闂村拰闂撮殧鏃堕棿銆?/p>

   import java.util.Timer;
   import java.util.TimerTask;
   
   public class MyTask extends TimerTask {
       @Override
       public void run() {
           // 瀹氭椂鎵ц鐨勪换鍔?/span>
       }
   
       public static void main(String[] args) {
           Timer timer = new Timer();
           TimerTask task = new MyTask();
           // 鍦ㄥ欢杩?绉掑悗鎵ц浠诲姟锛屾瘡闅?绉掗噸澶嶆墽琛?/span>
           timer.schedule(task, 1000, 2000);
       }
   }
   

2. 浣跨敤ScheduledExecutorService绫伙細ScheduledExecutorService鏄竴涓帴鍙ｏ紝瀹冩槸ExecutorService鐨勫瓙鎺ュ彛锛屾彁渚涗簡璋冨害鎵ц浠诲姟鐨勫姛鑳姐€傞€氳繃浣跨敤Executors绫荤殑闈欐€佹柟娉曞垱寤轰竴涓猄cheduledExecutorService瀵硅薄锛岀劧鍚庝娇鐢ㄥ叾schedule()鏂规硶璁剧疆浠诲姟鐨勬墽琛屾椂闂村拰闂撮殧鏃堕棿銆?/p>

   import java.util.concurrent.Executors;
   import java.util.concurrent.ScheduledExecutorService;
   import java.util.concurrent.TimeUnit;
   
   public class MyTask implements Runnable {
       @Override
       public void run() {
           // 瀹氭椂鎵ц鐨勪换鍔?/span>
       }
   
       public static void main(String[] args) {
           ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
           Runnable task = new MyTask();
           // 鍦ㄥ欢杩?绉掑悗鎵ц浠诲姟锛屾瘡闅?绉掗噸澶嶆墽琛?/span>
           executor.scheduleAtFixedRate(task, 1, 2, TimeUnit.SECONDS);
       }
   }
   

3. 浣跨敤quartz妗嗘灦锛歈uartz鏄竴涓紑婧愮殑浣滀笟璋冨害妗嗘灦锛屽彲浠ョ敤浜庡湪Java搴旂敤绋嬪簭涓缃畾鏃朵换鍔°€傞鍏堥渶瑕佸鍏uartz鐨刯ar鍖咃紝鐒跺悗閫氳繃閰嶇疆quartz鐨刯ob鍜宼rigger鏉ヨ缃畾鏃朵换鍔＄殑鎵ц鏃堕棿鍜岄棿闅旀椂闂淬€?/p>

   import org.quartz.Job;
   import org.quartz.JobExecutionContext;
   import org.quartz.JobExecutionException;
   import org.quartz.Scheduler;
   import org.quartz.SchedulerException;
   import org.quartz.impl.StdSchedulerFactory;
   import static org.quartz.JobBuilder.*;
   import static org.quartz.TriggerBuilder.*;
   import static org.quartz.SimpleScheduleBuilder.*;
   
   public class MyTask implements Job {
       @Override
       public void execute(JobExecutionContext context) throws JobExecutionException {
           // 瀹氭椂鎵ц鐨勪换鍔?/span>
       }
   
       public static void main(String[] args) throws SchedulerException {
           Scheduler scheduler = StdSchedulerFactory.getDefaultScheduler();
           scheduler.start();
   
           JobDetail job = newJob(MyTask.class)
                   .withIdentity("myJob", "group1")
                   .build();
   
           Trigger trigger = newTrigger()
                   .withIdentity("myTrigger", "group1")
                   .startNow()
                   .withSchedule(simpleSchedule()
                           .withIntervalInSeconds(2)
                           .repeatForever())
                   .build();
   
           scheduler.scheduleJob(job, trigger);
       }
   }
   

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