> 知识点：其实相当于拦截器，在把 事件转发给chrome之前，做一些处理。返回true，代表canel某些事件 使用BrowserView.setKeyEventsHandler（InputEventsHandler <KeyEvent> handler） 方法，您可以决定在将它们发送到Chromium引擎之前应该抑制哪些键盘事件。以下示例演示如何禁用 Ctrl + A快捷方式： ``` import com.teamdev.jxbrowser.chromium.Browser; import com.teamdev.jxbrowser.chromium.InputEventsHandler; import com.teamdev.jxbrowser.chromium.swing.BrowserView; import javax.swing.*; import java.awt.*; import java.awt.event.KeyEvent; /** * This sample demonstrates how to register key events handler to handle/suppress * Ctrl+A key events (e.g. to prevent text selection). */ public class KeyEventsHandlerSample { public static void main(String[] args) { Browser browser = new Browser(); BrowserView view = new BrowserView(browser); JFrame frame = new JFrame(); frame.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE); frame.add(view, BorderLayout.CENTER); frame.setSize(700, 500); frame.setLocationRelativeTo(null); frame.setVisible(true); view.setKeyEventsHandler(new InputEventsHandler<KeyEvent>() { public boolean handle(KeyEvent event) { return event.isControlDown() && event.getKeyCode() == KeyEvent.VK_A; } }); browser.loadURL("http://www.google.com"); } } ```