import java.awt.*;
import java.awt.event.*;
import javax.swing.*;public class Bulb extends JFrame {private final int INTER_SECOND = 500; // 间隔时间private BulbButton b1 = new BulbButton("B1");private BulbButton b2 = new BulbButton("B2");private BulbButton b3 = new BulbButton("B3");private BulbButton b4 = new BulbButton("B4");private BulbLight l1 = new BulbLight(1);private BulbLight l2 = new BulbLight(2);private JButton bb1 = new BuldStateButton(l1);private JButton bb2 = new BuldStateButton(l2);private JLabel state = new JLabel("关闭");private CheckLightThread thread;public Bulb() {this.setTitle("灯泡模拟");this.setSize(300, 200);this.setLayout(new GridLayout(4, 1));this.add(new JPanel() {{this.setLayout(new FlowLayout(FlowLayout.CENTER));this.add(new JLabel("电源状态："));this.add(state);}});this.add(new JPanel() {{this.setLayout(new FlowLayout(FlowLayout.CENTER));this.add(l1);this.add(l2);}});this.add(new JPanel() {{this.setLayout(new FlowLayout(FlowLayout.CENTER));this.add(b1);this.add(b2);this.add(b3);this.add(b4);}});this.add(new JPanel() {{this.setLayout(new FlowLayout(FlowLayout.CENTER));this.add(bb1);this.add(bb2);}});setButtons();this.setVisible(true);}private void setButtons() {b2.setEnabled(false);b3.setEnabled(false);b4.setSelected(true);b1.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {b1.changeState();if (b1.isSelected()) {b4.setSelected(false);b2.setEnabled(true);b3.setEnabled(true);} else {b2.setSelected(false);b3.setSelected(false);b4.setSelected(true);b2.setEnabled(false);b3.setEnabled(false);}changeSystemState();}});b2.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {if (!b1.isSelected() && b4.isSelected())return; // 在电源关闭状态下，B2和B3按钮不起作用
                b2.changeState();if (b2.getCount() > b3.getCount()) { // 如果B2被按下的次数比B3被按下的次数多，L1亮l1.change(true);l2.change(false);}}});b3.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {if (!b1.isSelected() && b4.isSelected())return; // 在电源关闭状态下，B2和B3按钮不起作用
                b3.changeState();if (b3.getCount() >= b2.getCount()) { // 如果B2被按下的次数比B3被按下的次数少，L2亮l1.change(false);l2.change(true);}}});b4.addActionListener(new ActionListener() {public void actionPerformed(ActionEvent e) {b4.changeState();if (b4.isSelected()) {b1.setSelected(false);b2.setSelected(false);b3.setSelected(false);b2.setEnabled(false);b3.setEnabled(false);} else {b1.setSelected(true);b2.setEnabled(true);b3.setEnabled(true);}changeSystemState();}});}private void changeSystemState() {if (!b1.isSelected() && b4.isSelected()) { // 在电源关闭状态下，灯应不亮state.setText("关闭");l1.change(false);l2.change(false);thread.pause();}if (b1.isSelected() && !b4.isSelected()) { // 从最近一次电源打开状态算起state.setText("开启");b2.clearCount();b3.clearCount();thread = new CheckLightThread();thread.start();}}public static void main(String[] args) {new Bulb();}private class BulbButton extends JToggleButton {private int count = 0;public BulbButton(String text) {super(text);}public void changeState() {if (isSelected()) {++count;}}public void clearCount() {count = 0;}public int getCount() {return count;}}private class BulbLight extends JPanel {private int id;private boolean bad;private boolean lightState;private JLabel label;private JLabel state = new JLabel("【暗】");private JLabel state2 = new JLabel("-正常");public BulbLight(int id) {this.id = id;label = new JLabel("灯泡" + id);this.add(label);this.add(state);this.add(state2);}public int getId() {return id;}public void light() {this.state.setText("【"+ ("【暗】".equals(this.state.getText()) ? "亮" : "暗") + "】");}public void change(boolean light) {if (bad)return;lightState = light;this.state.setText("【" + (lightState ? "亮" : "暗") + "】");}public boolean isBad() {return bad;}public void setState(boolean bad) {this.bad = bad;state2.setText((bad ? "-故障" : "-正常"));if (bad) {this.state.setText("【暗】");} else {this.state.setText("【" + (lightState ? "亮" : "暗") + "】");}}}private class BuldStateButton extends JButton implements ActionListener {private BulbLight light;public BuldStateButton(BulbLight light) {super("破坏灯泡" + light.getId());this.light = light;this.addActionListener(this);}public void actionPerformed(ActionEvent e) {if (("破坏灯泡" + light.getId()).equals(this.getActionCommand())) {this.setText("修复灯泡" + light.getId());light.setState(true);} else {this.setText("破坏灯泡" + light.getId());light.setState(false);}}}private class CheckLightThread extends Thread {private boolean runFlag = true;public void pause() {this.runFlag = false;}public void run() {while (runFlag) {try {if (l1.isBad() && !l2.isBad()) {l2.light();}if (!l1.isBad() && l2.isBad()) {l1.light();}sleep(INTER_SECOND);} catch (Exception e) {System.out.println(e.getMessage());}}}}
}