📄 鼠标事件监听.txt
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import java.awt.*;
import java.awt.event.*;
public class Test extends Frame implements MouseMotionListener, MouseListener
{
TextField t=new TextField();
Test()
{
this.addMouseListener(this);
this.addMouseMotionListener(this);
this.add(t,BorderLayout.NORTH);
this.setSize(400,400);
this.setVisible(true);
}
public static void main(String args[])
{
Test my=new Test();
}
public void mouseDragged(MouseEvent e) {
t.setText("鼠标在拖拽 x="+e.getX()+" y="+e.getY());
}
public void mouseMoved(MouseEvent e) {
t.setText("鼠标在移动 x="+e.getX()+" y="+e.getY());
}
public void mouseClicked(MouseEvent e) {
t.setText("鼠标被点击一次");
}
public void mousePressed(MouseEvent e) {
t.setText("鼠标按键按下");
}
public void mouseReleased(MouseEvent e) {
t.setText("鼠标按键释放");
}
public void mouseEntered(MouseEvent e) {
t.setText("鼠标进入该区域");
this.setBackground(new Color((int)(Math.random()*256),(int)(Math.random()*256),(int)(Math.random()*256)));
}
public void mouseExited(MouseEvent e) {
t.setText("鼠标 离开该区域");
this.setBackground(new Color((int)(Math.random()*256),(int)(Math.random()*256),(int)(Math.random()*256)));
}
}
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