java实现全局监听键盘详解

<dependency>
  <groupId>com.github.kwhat</groupId>
  <artifactId>jnativehook</artifactId>
  <version>2.2.2</version>
</dependency>

import com.github.kwhat.jnativehook.GlobalScreen;
import com.github.kwhat.jnativehook.NativeHookException;
import com.github.kwhat.jnativehook.keyboard.NativeKeyEvent;
import com.github.kwhat.jnativehook.keyboard.NativeKeyListener;

public class GlobalKeyListenerExample implements NativeKeyListener {
	public void nativeKeyPressed(NativeKeyEvent e) {
		System.out.println("Key Pressed: " + NativeKeyEvent.getKeyText(e.getKeyCode()));

		if (e.getKeyCode() == NativeKeyEvent.VC_ESCAPE) {
            		try {
                		GlobalScreen.unregisterNativeHook();
            		} catch (NativeHookException nativeHookException) {
                		nativeHookException.printStackTrace();
            		}
        	}
	}

	public void nativeKeyReleased(NativeKeyEvent e) {
		System.out.println("Key Released: " + NativeKeyEvent.getKeyText(e.getKeyCode()));
	}

	public void nativeKeyTyped(NativeKeyEvent e) {
		System.out.println("Key Typed: " + e.getKeyText(e.getKeyCode()));
	}

	public static void main(String[] args) {
		try {
			GlobalScreen.registerNativeHook();
		}
		catch (NativeHookException ex) {
			System.err.println("There was a problem registering the native hook.");
			System.err.println(ex.getMessage());

			System.exit(1);
		}

		GlobalScreen.addNativeKeyListener(new GlobalKeyListenerExample());
	}
}