12

根据上一个链接（如何发送键盘输出），Java 可以模拟使用 Robot 类按下的键。但是，如何模拟按键组合呢？如果我想发送组合“alt-123”，这可以使用机器人吗？

4

4 回答 4

20

简单的答案是肯定的。基本上，您需要将 s 包裹keyPress/Release在Alt其他keyPress/Releases周围

public class TestRobotKeys {

    private Robot robot;

    public static void main(String[] args) {
        new TestRobotKeys();
    }

    public TestRobotKeys() {
        try {
            robot = new Robot();
            robot.setAutoDelay(250);
            robot.keyPress(KeyEvent.VK_ALT);
            robot.keyPress(KeyEvent.VK_1);
            robot.keyRelease(KeyEvent.VK_1);
            robot.keyPress(KeyEvent.VK_2);
            robot.keyRelease(KeyEvent.VK_2);
            robot.keyPress(KeyEvent.VK_3);
            robot.keyRelease(KeyEvent.VK_4);
            robot.keyRelease(KeyEvent.VK_ALT);
        } catch (AWTException ex) {
            ex.printStackTrace();
        }
    }

}
于 2013-01-30T02:07:47.960 回答
5

对于使用 java.awt.Robot 发送组合键，以下代码对我来说很好用

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



public class VirtualKeyBoard extends Robot
{

    public VirtualKeyBoard() throws AWTException
    {
        super();
    }

    public void pressKeys(String keysCombination) throws IllegalArgumentException
    {
            for (String key : keysCombination.split("\\+"))
            {
                try
                {   System.out.println(key);
                    this.keyPress((int) KeyEvent.class.getField("VK_" + key.toUpperCase()).getInt(null));

                } catch (IllegalAccessException e)
                {
                    e.printStackTrace();

                }catch(NoSuchFieldException e )
                {
                    throw new IllegalArgumentException(key.toUpperCase()+" is invalid key\n"+"VK_"+key.toUpperCase() + " is not defined in java.awt.event.KeyEvent");
                }


            }


    }


    public void releaseKeys(String keysConbination) throws IllegalArgumentException
    {

            for (String key : keysConbination.split("\\+"))
            {
                try
                { // KeyRelease method inherited from java.awt.Robot
                    this.keyRelease((int) KeyEvent.class.getField("VK_" + key.toUpperCase()).getInt(null));
                } catch (IllegalAccessException e)
                {
                    e.printStackTrace();
                }catch(NoSuchFieldException e )
                {
                    throw new IllegalArgumentException(key.toUpperCase()+" is invalid key\n"+"VK_"+key.toUpperCase() + " is not defined in java.awt.event.KeyEvent");
                }
            }


    }

    public static void main(String[] args) throws AWTException
    {


         VirtualKeyBoard kb = new VirtualKeyBoard();


         String keyCombination = "control+a"; // select all text on screen
         //String keyCombination = "shift+a+1+c"; // types A!C on screen

         // For your case 
         //String keyCombination = "alt+1+2+3";


         kb.pressKeys(keyCombination);
         kb.releaseKeys(keyCombination); 



    }


}
于 2018-01-24T10:55:47.493 回答
3

这是一个例子

Robot r = new Robot();
Thread.sleep(1000);

r.keyPress(KeyEvent.VK_ALT);
r.keyPress(KeyEvent.VK_NUMPAD1);
r.keyPress(KeyEvent.VK_NUMPAD2);
r.keyPress(KeyEvent.VK_NUMPAD3);            
r.keyRelease(KeyEvent.VK_ALT);

不要忘记释放一些特殊的键，它会在你的机器上做一些疯狂的事情

于 2013-01-30T02:07:22.267 回答
0

此代码太接近本机 Windows 键盘。甚至 Api 键盘“按下”也将进入 Eclipse ide，因为它们通常会从 ide 按下。密钥是从当前调试的应用程序生成的！！（jdk 1.8，win 7，hp）

于 2016-03-05T17:03:45.687 回答