package huatu;

import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.util.*;
import javax.swing.*;

public class ClockFrame extends JFrame {
    private JComboBox hourBox, minuteBox, secondBox;
    private int hour, minute, second, totalSeconds, currentSeconds;
    private long argue;
    private GregorianCalendar calendar;
    private boolean change = true;
    private static final int WIDTH = 200;
    private static final int HEIGHT = 150;

    public ClockFrame() {

        setTitle("关机定时");
        setSize(200, 150);

        Container contentPanel = getContentPane();
        
        JPanel timePanel = new JPanel();
        timePanel.setLayout(new GridLayout(4, 2));
        
        JLabel minuteLable = new JLabel("设置分钟");
        timePanel.add(minuteLable);
        minuteBox = new JComboBox();
        timePanel.add(minuteBox);
        for (int i = 0; i < 181; i++) {
            minuteBox.addItem(i);
        }
        minuteBox.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent evt) {
        minute = ((Integer) minuteBox.getSelectedItem()).intValue();
        }
    });

        JLabel secondLable = new JLabel("设置秒钟");
        timePanel.add(secondLable);
        secondBox = new JComboBox();
        timePanel.add(secondBox);
        for (int i = 0; i < 80; i++) {
            secondBox.addItem(i);
        }
        secondBox.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                second = ((Integer) secondBox.getSelectedItem()).intValue();
            }
        });
        contentPanel.add(timePanel, BorderLayout.CENTER);

        JButton check = new JButton("确定");

        contentPanel.add(check, BorderLayout.SOUTH);
        check.addActionListener(new ActionListener() {
            public void actionPerformed(ActionEvent evt) {
                JButton check=(JButton) evt.getSource();
                if (check.getText().equals("确定")) {
                    calendar = new GregorianCalendar();
                    int currentSeconds = calendar.get(Calendar.HOUR_OF_DAY)
                    * 3600 + calendar.get(Calendar.MINUTE) * 60
                    + calendar.get(Calendar.SECOND);
                    totalSeconds = hour * 3600 + minute * 60 + second;

                    if (totalSeconds - currentSeconds >= 0) {
                        argue = (totalSeconds - currentSeconds) * 1000;
                        JOptionPane.showMessageDialog(ClockFrame.this,
                                "您设置的时间为 " + hour + ":" + minute + ":" + second
                                + "\n程序将在后台运行，并在此时自动关闭计算机！", "设置成功",
                                JOptionPane.INFORMATION_MESSAGE);
                        hideFrame();
                    }
                    try {
                        // Thread.sleep(argue);//这句没用
                        Runtime.getRuntime().exec(
                                "shutdown.exe -s -c \"我要关机了噢！不好意思！\" -t "
                                + totalSeconds);
                        check.setText("取消");
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }else{
                    try {
                        Runtime.getRuntime().exec("shutdown.exe -a");
                        check.setText("确定");
                    } catch (Exception e) {
                        e.printStackTrace();
                    }
                }
            }
        });
    }

    private void hideFrame() {
        this.setVisible(false);
    }

    public static void main(String[] args) {