automshutdown.java

这是本人用java开发的一个定时关机程序 主要技术涉及到系统命令的调用等

import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.util.TimeZone;
import java.util.GregorianCalendar;
import java.awt.Font;
import com.ibm.iwt.IFrame;
import com.ibm.iwt.window.*;



public class AutomShutDown extends TestApp4 implements ActionListener,MouseMotionListener,MouseListener
{
   private int hh=10000,mm,ss;
   private JLabel jlb1=new JLabel("  当  前  时  间:");
   private JLabel jlb2=new JLabel("  关  机  时  间:");
   private JTextField jtfh=new JTextField();
   private JTextField jtfm=new JTextField();
   private JTextField jtfs=new JTextField();
   private JTextField jtfhh=new JTextField();
   private JTextField jtfmm=new JTextField();
   private JTextField jtfss=new JTextField();  
   private JButton jbStart=new JButton("启用");
   private JButton jbCancel=new JButton("取消");
   private JButton jbExit=new JButton("退出");
  
   private TimeThread thread=new TimeThread();

   public AutomShutDown()
    {

 
        //setTitle("欢迎使用！");
       jlb1.setFont(new Font("Serif",Font.BOLD,18));       
       jlb2.setFont(new Font("Serif",Font.BOLD,18));
       jtfh.setFont(new Font("Serif",Font.BOLD,18));
       jtfm.setFont(new Font("Serif",Font.BOLD,18));
       jtfs.setFont(new Font("Serif",Font.BOLD,18));
       jtfhh.setFont(new Font("Serif",Font.BOLD,18));
       jtfmm.setFont(new Font("Serif",Font.BOLD,18));
       jtfss.setFont(new Font("Serif",Font.BOLD,18));


       JPanel leftPanel1=new JPanel();
       leftPanel1.setBackground(Color.yellow);
       leftPanel1.setPreferredSize(new Dimension(5,10));

       JPanel leftPanel2=new JPanel();
       leftPanel2.setBackground(Color.yellow);
       leftPanel2.setPreferredSize(new Dimension(5,10));
      
       JPanel p1=new JPanel();
       p1.setBackground(Color.yellow);
       p1.add(jlb1);


       JPanel p2=new JPanel();
       p2.setBackground(Color.yellow);
       p2.setLayout(new GridLayout(1,7));
       jtfh.setEditable(false);
       jtfh.setForeground(Color.red);

       p2.add(leftPanel1);

       p2.add(jtfh);
       p2.add(new JLabel("    点"));

       jtfm.setEditable(false);
       jtfm.setForeground(Color.red);
       p2.add(jtfm);
       p2.add(new JLabel("    分"));

       jtfs.setEditable(false);
       jtfs.setForeground(Color.red);
       p2.add(jtfs);
       p2.add(new JLabel("    秒"));
       
       JPanel p3=new JPanel();
       p3.setBackground(Color.yellow);
       p3.add(jlb2);

       JPanel p4=new JPanel();
       p4.setBackground(Color.yellow);
       p4.setLayout(new GridLayout(1,7));
       p4.add(leftPanel2);
       p4.add(jtfhh);
       p4.add(new JLabel("    点"));
       p4.add(jtfmm);
       p4.add(new JLabel("    分"));
       p4.add(jtfss);
       p4.add(new JLabel("    秒"));

       JPanel p5=new JPanel();
       p5.setBackground(Color.yellow);
       p5.add(jbStart);
       p5.add(jbCancel);
       p5.add(jbExit);


       
       getIContentPane().setLayout(new GridLayout(5,1));
       getIContentPane().setBackground(Color.yellow);
       getIContentPane().add(p1);
       getIContentPane().add(p2);
       getIContentPane().add(p3);
       getIContentPane().add(p4);
       getIContentPane().add(p5);



       jbStart.addActionListener(this);
       jbCancel.addActionListener(this);
       jbExit.addActionListener(this);
       this.addMouseMotionListener(this);
       this.addMouseListener(this);

      thread.Start();
    }

    public void actionPerformed(ActionEvent ex)
     {
       if(ex.getSource()==jbStart)
          { 
           if(jtfhh.getText().equals("")||jtfmm.getText().equals("")||jtfss.getText().equals(""))
            {
               hh=10000;//破坏关机条件
               mm=0;
               ss=0;
               JOptionPane.showMessageDialog(this,"时间不能为空","For Your Information",JOptionPane.INFORMATION_MESSAGE);              
            }
          
           else 
             {   
               hh=Integer.parseInt(jtfhh.getText());
               mm=Integer.parseInt(jtfmm.getText());
               ss=Integer.parseInt(jtfss.getText());
               
               JOptionPane.showMessageDialog(this,"您可以安息了","For Your Information",JOptionPane.INFORMATION_MESSAGE); 
             }
          }
        else if(ex.getSource()==jbCancel)
          {
            jtfhh.setText("");
            jtfmm.setText("");
            jtfss.setText("");
            JOptionPane.showMessageDialog(this,"已取消设定","For Your Information",JOptionPane.PLAIN_MESSAGE);

          }
         else if(ex.getSource()==jbExit)
           {
              System.exit(0);
           }
     }
   
   //重写相关方法让user不能移动窗体
   public void mouseMoved(MouseEvent e)
      {
         
      }
   public void mouseDragged(MouseEvent e)
      {
         
      }
   public void mousePressed(MouseEvent e)
      {
         
      }
   public void mouseReleased(MouseEvent e)
      {
         
      }
   public void mouseEntered(MouseEvent e)
      {
         
      }
   public void mouseClicked(MouseEvent e)
      {
         
      }

    public static void main(String[] args)
     {
         AutomShutDown frame=new AutomShutDown();
         frame.setSize(400,200);
         Dimension screenSize=Toolkit.getDefaultToolkit().getScreenSize();
         Dimension frameSize=frame.getSize();
         int x=(screenSize.width-frameSize.width)/2;
         int y=(screenSize.height-frameSize.height)/2;
         frame.setLocation(x,y-100);
         frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
         frame.setVisible(true);
                 
     }



class TimeThread implements ActionListener
{
  private int h,m,s;
  private Timer timer;
  private TimeZone timeZone=TimeZone.getDefault();
  private Runtime rt=Runtime.getRuntime();

 
  public TimeThread()
   {
      timer=new Timer(1000,this);
      timer.start();
   }

  public void Start()
   {
     timer.start();
   }
  public void Stop()
   {
    timer.stop();
   }

  public void actionPerformed(ActionEvent e)
   {
      Show();
      Check();
   }
  
   public void Show()
    {
      GregorianCalendar calendar=new GregorianCalendar(timeZone);
      h=(int)calendar.get(GregorianCalendar.HOUR_OF_DAY);
      m=(int)calendar.get(GregorianCalendar.MINUTE);
      s=(int)calendar.get(GregorianCalendar.SECOND);
    
      jtfh.setText(String.valueOf(h));
      jtfm.setText(String.valueOf(m));
      jtfs.setText(String.valueOf(s));
 
    }

  //检查是否满足关机条件 
   public void Check()
    {
      if(h==hh&&m==mm&&s==ss)
         try
           {
               rt.exec("ShutDown -s -t 0");
           }catch(Exception e) 
           {}
    }
   

}


}