import java.io.IOException;
import java.awt.event.*;
import javax.swing.*;
public class ShutDown extends JFrame implements ActionListener{
JButton restart,shutdown,logout;
Box box;
public ShutDown(String s) {
super(s);
restart=new JButton("重起");
shutdown=new JButton("關機");
logout=new JButton("注銷");
box=Box.createHorizontalBox();
restart.addActionListener(this);
shutdown.addActionListener(this);
logout.addActionListener(this);
box.add(restart);
box.add(shutdown);
box.add(logout);
add(box);
addWindowListener(new WindowAdapter(){
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});
}
public void exec(String choice) {
try {
Runtime.getRuntime().exec("cmd /c start call shutdown -"+choice+" -t 0");
}
catch (IOException e) {
System.out.println("執行失敗");
}
}
public void shutdown() {
exec("S");
}
public void restart() {
exec("R");
}
public void logout() {
exec("L");
}
public void actionPerformed(ActionEvent e)
{
if(e.getSource()==shutdown)
{
shutdown();
}
else if(e.getSource()==restart)
{
restart();
}
else if(e.getSource()==logout)
{
logout();
}
}
public static void main(String[] str) {
ShutDown ctr=new ShutDown("關機控制");
ctr.setBounds(300,0,200,65);
ctr.setVisible(true);
}
}
posted on 2008-06-27 08:52
greedy 閱讀(209)
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Java技術