使用Java输入按键函数

import java.awt.AWTException;
import java.awt.Robot;
import java.awt.event.KeyEvent;

public class KeyInputExample {
    public static void main(String[] args) {
        try {
            Robot robot = new Robot();
            
            // 模拟按下键盘上的'A'键
            robot.keyPress(KeyEvent.VK_A);
            
            // 模拟释放键盘上的'A'键
            robot.keyRelease(KeyEvent.VK_A);
        } catch (AWTException e) {
            e.printStackTrace();
        }
    }
}

import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.input.KeyCode;
import javafx.scene.layout.StackPane;
import javafx.stage.Stage;

public class KeyInputExample extends Application {
    @Override
    public void start(Stage primaryStage) {
        StackPane root = new StackPane();
        Scene scene = new Scene(root, 300, 200);
        
        scene.setOnKeyPressed(event -> {
            if (event.getCode() == KeyCode.A) {
                System.out.println("A键被按下");
            }
        });
        
        primaryStage.setScene(scene);
        primaryStage.show();
    }
    
    public static void main(String[] args) {
        launch(args);
    }
}