public class TimingTask {

     private static int count = 0;

     private static SpiderService service = null;

       public static void startTask(int hour,int minute,int second) {

             TimerTask task = new TimerTask() {

                 @Override

                 public void run() {

                     service = new SpiderService();

                     service.service();

                     ++count;

                     System.out.println("时间=" + new Date() + " 执行了" + count + "次"); // 1次

                 }

             };

             //设置执行时间

             Calendar calendar = Calendar.getInstance();

             int year = calendar.get(Calendar.YEAR);

             int month = calendar.get(Calendar.MONTH);

             int day = calendar.get(Calendar.DAY_OF_MONTH);//每天

             //定制每天的21:09:00执行，

             calendar.set(year, month, day, hour, minute, second);

             Date date = calendar.getTime();

             Timer timer = new Timer();

             System.out.println(date);

            // int period = 2 * 1000;

             //每天的date时刻执行task，每隔2秒重复执行

            // timer.schedule(task, date, period);

             //每天的date时刻执行task, 仅执行一次

             timer.schedule(task, date);

         }

     public static void main(String[] args) {

                 //下面是两个任务

             TimingTask.startTask(11, 40, 00);

             TimingTask.startTask(11, 45, 00);

         }