Java如何处理鼠标移动事件？
package org.nhooo.example.swing;
import javax.swing.JFrame;
import javax.swing.JTextArea;
import javax.swing.SwingUtilities;
import javax.swing.WindowConstants;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;
public class MouseMotionListenerDemo extends JFrame {
public MouseMotionListenerDemo() {
initComponents();
}
public static void main(String[] args) {
SwingUtilities.invokeLater(() -> new MouseMotionListenerDemo().setVisible(true));
}
private void initComponents() {
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
setSize(400, 400);
JTextArea textArea = new JTextArea("Hello World... try to move the mouse, click and drag it...");
textArea.addMouseMotionListener(new MouseMotionAdapter() {
public void mouseDragged(MouseEvent e) {
System.out.println("Mouse Dragged...");
}
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse Moved...");
}
});
getContentPane().add(textArea);
}
}
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