轉載java中實作定時器的方法，記錄友善檢視。
package com.wxltsoft.tool;
import org.junit.Test;
import java.util.Calendar;
import java.util.Date;
import java.util.Timer;
import java.util.TimerTask;
public class TimerUtil {
public static void main(String[] args) {
// timer1();
// timer2();
// timer3();
timer4();
}
public static void timer1(){
Timer nTimer = new Timer();
nTimer.schedule(new TimerTask() {
@Override
public void run() {
System.out.println("----設定要指定任務-----");
}
},2000);
}
public static void timer2() {
Timer timer = new Timer();
timer.schedule(new TimerTask() {
public void run() {
System.out.println("-------延遲5000毫秒，每1000毫秒執行一次--------");
}
}, 5000, 1000);
}
public static void timer3() {
Timer timer = new Timer();
timer.scheduleAtFixedRate(new TimerTask() {
public void run() {
System.err.println("-------延遲5000毫秒，每1000毫秒執行一次--------");
}
}, 5000, 1000);
}
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("-------設定要指定任務--------");
}
}, time, 1000 * 60 * 60 * 24);// 這裡設定将延時每天固定執行
}
}