试图通过读取Java中的文本字段来获取机器人按键
因此,我基本上想在文本字段中键入一个字母,然后让机器人响应并输入一个按键。我已经按照我想象的方式编写了这段代码,但事实并非如此,我有点被想法所束缚试图通过读取Java中的文本字段来获取机器人按键,java,swing,keypress,jtextfield,awtrobot,Java,Swing,Keypress,Jtextfield,Awtrobot,因此,我基本上想在文本字段中键入一个字母,然后让机器人响应并输入一个按键。我已经按照我想象的方式编写了这段代码,但事实并非如此,我有点被想法所束缚 package robottest; import java.awt.AWTException; import java.awt.Robot; import java.awt.event.KeyEvent; import javax.swing.*; import java.awt.event.*; import java.awt.*; pu
package robottest;
import java.awt.AWTException;
import java.awt.Robot;
import java.awt.event.KeyEvent;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
public class RobotTest extends JFrame
{
JTextField bookIDText;
public RobotTest()
{
try
{
Robot robot = new Robot();
bookIDText = new JTextField ();
this.add(bookIDText);
String words = bookIDText.getText().toString();
if (words == "W")
{
robot.keyPress(KeyEvent.VK_H);
}
}
catch (AWTException e)
{
e.printStackTrace();
}
}
public static void main(String[] args)
{
RobotTest frame = new RobotTest();
frame.pack();
frame.setVisible(true);
frame.setResizable( false );
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
键入Shift+w Enter时的典型输出。
键入Shift+w Enter时的典型输出。
你为什么希望这能奏效?实际上,您从不等待按键(或任何其他事件)。使用
equals()
来比较字符串,而不是==
。您为什么希望这样做?您实际上从不等待按键(或任何其他事件)。使用equals()
来比较字符串,而不是=
。
try
{
Robot robot = new Robot();
bookIDText = new JTextField ();
this.add(bookIDText);
String words = bookIDText.getText().toString();
if (words.equalsIgnoreCase("W"))
{
robot.keyPress(KeyEvent.VK_H);
}
}
catch (AWTException e)
{
e.printStackTrace();
}
import java.awt.AWTException;
import java.awt.Robot;
import java.awt.event.KeyEvent;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;
public class RobotTest extends JFrame
{
JTextField bookIDText;
public RobotTest() throws AWTException
{
final Robot robot = new Robot();
bookIDText = new JTextField();
this.add(bookIDText);
bookIDText.addActionListener( new ActionListener(){
public void actionPerformed(ActionEvent ae) {
String words = bookIDText.getText().toString();
System.out.println("Action on " + words);
if (words.equals("W"))
{
System.out.println("Pressing key");
robot.keyPress(KeyEvent.VK_H);
}
}
} );
}
public static void main(String[] args) throws Exception
{
RobotTest frame = new RobotTest();
frame.pack();
frame.setVisible(true);
frame.setResizable( false );
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
}
Action on W
Pressing key
Press any key to continue . . .