我是一名Java初學者。我正在構建一個屏幕截圖應用程序,其中您按PrtScn並捕獲屏幕。我希望這個屏幕圖像可以在Filedialog
或JFileChooser
的幫助下保存。我不知道如何通過BufferedImage
到Filedialog
框。在我的代碼中,我只是硬編碼保存位置。如何將BufferedImage傳遞給Filedialog以保存在Java中?
import java.awt.AWTException;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.JFrame;
import javax.swing.JTextField;
public class SeeEyeEye {
public static void main(String[] args) {
JFrame aWindow = new JFrame("SeeEyeEye");
aWindow.setBounds(100, 310, 210, 110);
aWindow.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
JTextField typingArea = new JTextField(20);
typingArea.addKeyListener(new KeyListener() {
public void keyTyped(KeyEvent e) {
displayInfo(e, "KEY TYPED: "); }
public void keyPressed(KeyEvent e) {
displayInfo(e, "KEY PRESSED: "); }
public void keyReleased(KeyEvent e) {
displayInfo(e, "KEY RELEASED: "); }
protected void displayInfo(KeyEvent e, String s) {
String keyString;
int keyCode = e.getKeyCode();
if(keyCode==154) {
try {
Robot robot = new Robot();
// Capture the screen shot of the area of the screen defined by the rectangle
BufferedImage bi=robot.createScreenCapture(new Rectangle(0,25,1366,744));
ImageIO.write(bi, "png", new File("C://Users//Rao//Desktop//s.png"));
}
catch (AWTException e1) {
e1.printStackTrace(); }
catch (IOException e1) {
e1.printStackTrace(); }
}
else { System.out.println("try again");}
keyString = "key code = " + keyCode + " (" + KeyEvent.getKeyText(keyCode) + ")";
System.out.println(keyString);
}
});
aWindow.add(typingArea);
aWindow.setVisible(true);
}
}
使用FileDialog的或JFileChooser,以獲取該文件的路徑/名稱,並使用該文件保存圖像。 – copeg