TimerTask task = new TimerTask() {		//匿名内部类

            @Override

            public void run() {

            	//TODO

            }

        };

//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9:00:00执行

        calendar.set(year, month, day, 9, 0, 0);

        // dateSetter为制定时间

        Date dateSetter = new Date();

        dateSetter = calendar.getTime();

        // nowDate为当前时间

        Date nowDate = new Date();

        // 所得时间差为，距现在待触发时间的间隔

        long interval = dateSetter.getTime() - nowDate.getTime();

        if(interval < 0){

        	calendar.add(Calendar.DAY_OF_MONTH, 1);

    	    dateSetter = calendar.getTime();

    	    interval = dateSetter.getTime() - nowDate.getTime();

        }

        Timer timer = new Timer();

        long period = 24 * 60 * 60 * 1000L;

//        long period = 2 * 60 * 1000L;

        timer.schedule(task, interval, period);