package com.jebysun.globlehotkey;  import java.awt.Insets; import java.awt.event.ActionEvent; import java.awt.event.ActionListener;  import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JOptionPane;  import com.melloware.jintellitype.HotkeyListener; import com.melloware.jintellitype.JIntellitype;  /** * 利用JIntellitype實現全局熱鍵設置 * @author Jeby Sun * */ public class GlobleHotKeyDemo extends JFrame {    private static final long serialVersionUID = 1L;      //定義熱鍵標識，用于在設置多個熱鍵時，在事件處理中區分用戶按下的熱鍵   public static final int FUNC_KEY_MARK = 1;   public static final int EXIT_KEY_MARK = 0;      JButton msgBtn;   JButton exitBtn;    public GlobleHotKeyDemo() {     this.setTitle("全局熱鍵設置");     this.setBounds(100, 100, 600, 400);     this.setLayout(null);     this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);          msgBtn = new JButton("彈出框（Alt+S）");     //設置按鈕邊距     msgBtn.setMargin(new Insets(0,0,0,0));     msgBtn.setFocusable(false);     msgBtn.setBounds(20, 20, 120, 30);     msgBtn.addActionListener(new ActionListener() {       @Override       public void actionPerformed(ActionEvent e) {         showMessage();       }     });     this.add(msgBtn);          exitBtn = new JButton("退出（Alt+Q）");     exitBtn.setMargin(new Insets(0,0,0,0));     exitBtn.setFocusable(false);     exitBtn.setBounds(160, 20, 120, 30);     exitBtn.addActionListener(new ActionListener() {       @Override       public void actionPerformed(ActionEvent e) {         System.exit(0);       }     });     this.add(exitBtn);          //第一步：注冊熱鍵，第一個參數表示該熱鍵的標識，第二個參數表示組合鍵，如果沒有則為0，第三個參數為定義的主要熱鍵     JIntellitype.getInstance().registerHotKey(FUNC_KEY_MARK, JIntellitype.MOD_ALT, (int)'S');      JIntellitype.getInstance().registerHotKey(EXIT_KEY_MARK, JIntellitype.MOD_ALT, (int)'Q');           //第二步：添加熱鍵監聽器     JIntellitype.getInstance().addHotKeyListener(new HotkeyListener() {              @Override       public void onHotKey(int markCode) {         switch (markCode) {          case FUNC_KEY_MARK:            showMessage();           break;          case EXIT_KEY_MARK:            System.exit(0);           break;           }                }     });           this.setVisible(true);   }      public void showMessage() {     JOptionPane.showMessageDialog(null, "就算把窗口最小化，按快捷鍵Alt+S也可以彈出提示框哦！", "彈出框標題", JOptionPane.INFORMATION_MESSAGE);   }      public static void main(String[] args) {     new GlobleHotKeyDemo();   } }