package com.wxltsoft.tool;
import org.junit.Test;
import java.util.Calendar;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
/**
* @Author: Zhangbx
* @Description:
* @Date: 2017/12/5
* @Modified By:
* @Modified Date:
*/
public class TimerUtil {
public static void main(String[] args) {
timer4();
}
/**
* 设定2000毫秒后执行
*/
public static void timer1(){
Timer nTimer = new Timer();
nTimer.schedule(new TimerTask() {
@Override
public void run() {
System.out.println("----设定要指定任务-----");
}
},2000);
}
/**
* 延迟5000毫秒,每1000毫秒执行一次
*/
public static void timer2() {
Timer timer = new Timer();
timer.schedule(new TimerTask() {
public void run() {
System.out.println("-------延迟5000毫秒,每1000毫秒执行一次--------");
}
}, 5000, 1000);
}
/**
* 延迟5000毫秒,每1000毫秒执行一次
*/
public static void timer3() {
Timer timer = new Timer();
timer.scheduleAtFixedRate(new TimerTask() {
public void run() {
System.err.println("-------延迟5000毫秒,每1000毫秒执行一次--------");
}
}, 5000, 1000);
}
/**
* 设置17:56执行任务
* java.util.Timer.scheduleAtFixedRate(TimerTask task, Date firstTime, long period)
*/
public static void timer4() {
Calendar calendar = Calendar.getInstance();
calendar.set(Calendar.HOUR_OF_DAY, 17);
calendar.set(Calendar.MINUTE, 26);
calendar.set(Calendar.SECOND, 0);
Date time = calendar.getTime();
Timer timer = new Timer();
timer.scheduleAtFixedRate(new TimerTask() {
public void run() {
System.out.println("-------设定要指定任务--------");
}
}, time, 1000 * 60 * 60 * 24);
}
}