timer.java

java 编写的定时关机,可以设置定时关机任务.

package part1;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.Date;

import javax.swing.*;
public class timer extends JFrame implements ActionListener {
	static int h=0;
	static int H=0;
	static int m=0;
	static int M=0;
	static int s=0;
	static int S=0;
	static String hy=null;
    JButton jb=new JButton("退出");
    JButton jb0=new JButton("设置关机任务");
    JLabel jl0=new JLabel(H+""+h);
    JLabel jl1=new JLabel(M+""+m);
    JLabel jl2=new JLabel(S+""+s);
    JLabel jl3=new JLabel(":");
    JLabel jl4=new JLabel(":");
    JLabel jl5=new JLabel("您当前操作系统的时间是:");
    static JLabel jl7=new JLabel("");
    static JLabel jl6=new JLabel("");
    static JLabel jlt=new JLabel("");
    static JLabel jlt0=new JLabel("");
    static JLabel jltc0=new JLabel("");
    static JLabel jltc1=new JLabel("");
    static JLabel jltc2=new JLabel("");
    FlowLayout fl=new FlowLayout();
    timer(){
    	super("XP定时关机系统V1.0");
    	setSize(300,250);
    	setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    	setResizable(false);
    	this.getContentPane().setLayout(fl);
    	this.getContentPane().add(jl7);
    	this.getContentPane().add(jl5);
    	this.getContentPane().add(jl6);
    	this.getContentPane().add(jl0);
    	this.getContentPane().add(jl3);
    	this.getContentPane().add(jl1);
    	this.getContentPane().add(jl4);
    	this.getContentPane().add(jl2);
        this.getContentPane().add(jlt);
        this.getContentPane().add(jlt0);
        this.getContentPane().add(jltc0);
        this.getContentPane().add(jltc1);
        this.getContentPane().add(jltc2);
    	this.getContentPane().add(jb0);
    	this.getContentPane().add(jb);
    	jb.addActionListener(this);
    	jb0.addActionListener(this);
    	Toolkit kit=Toolkit.getDefaultToolkit();
		Dimension screenSize=kit.getScreenSize();
		Dimension frameSize=this.getSize();
		if(frameSize.height>screenSize.height){
			frameSize.height=screenSize.height;
		}
		if(frameSize.width>screenSize.width){
			frameSize.width=screenSize.width;
		}
		this.setLocation((screenSize.width-frameSize.width)/2,(screenSize.height-frameSize.height)/2);
		countThread test=new countThread();
    	test.start();
		setVisible(true);
    	
    }
    public static void main(String[] args){
    	Date date=new Date();
    	String time=date.toString();
    	String hour=time.substring(11, 13);
    	String minute=time.substring(14, 16);
    	String second=time.substring(17, 19);
    	String h1=hour.substring(0,1);
    	String h0=hour.substring(1,2);
    	String m1=minute.substring(0,1);
    	String m0=minute.substring(1,2);
    	String s1=second.substring(0,1);
    	String s0=second.substring(1,2);
    	H=Integer.parseInt(h1);//呢句将String型噶数据转换成int型啊
    	h=Integer.parseInt(h0);
    	M=Integer.parseInt(m1);
    	m=Integer.parseInt(m0);
    	S=Integer.parseInt(s1);
    	s=Integer.parseInt(s0);
    	switch(H){
    	case 0:
    		hy="早上好!";
    		break;
    	case 1:
    		if(h<2)hy="早上好!";
    		else if(h==2) hy="中午好!";
    		else if(h<9)hy="下午好!";
    		else hy="晚上好!";
    		break;
    	case 2:
    		hy="晚上好!";
    		break;
    	default:
    		break;
    	}
    	jl7.setText(hy);
    	new timer();
    }
	public void actionPerformed(ActionEvent e) {
		// TODO Auto-generated method stub
		Object source=e.getSource();
		if(source==jb){
			System.exit(0);
		}
		if(source==jb0){
			new task();
		}
	}
	class countThread extends Thread{
		public void run(){
			 
			while(true){
				jl2.setText(S+""+s);
				try {
					this.sleep(1000);
				} catch (InterruptedException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
				}
				s++;
				if(s==10){
					s=0;
					S+=1;
					jl2.setText(S+""+s);
				}
				if(S==6){
					s=0;
					S=0;
					m+=1;
					jl1.setText(M+""+m);
				}
				if(m==10){
					m=0;
					M+=1;
					jl1.setText(M+""+m);
				}
				if(M==6){
					M=0;
					m=0;
					h+=1;
					jl1.setText(M+""+m);
					jl0.setText(H+""+h);
				}
				if(h==10){
					h=0;
					H+=1;
					jl0.setText(H+""+h);
				}
				if(H==2&&h==4){
					s=0;
					S=0;
					m=0;
					M=0;
					h=0;
					H=0;
					jl2.setText(S+""+s);
					jl1.setText(M+""+m);
					jl0.setText(H+""+h);
				}
			}
		}
	}
}