mouseeventdemo.java

来自「里面所含源码是本人平时做程序的一些实例」· Java 代码 · 共 80 行

import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
public class MouseEventDemo extends JFrame
{
	int intX,intY;
	JPanel pnlMain;
	JLabel lblX,lblY,lblStatus;
	JTextField txtX,txtY,txtStatus;
	GridLayout glMain;
	public MouseEventDemo()
	{
		pnlMain=new JPanel();
		getContentPane().add(pnlMain);
		glMain=new GridLayout(3,2);
		pnlMain.setLayout(glMain);
		lblX=new JLabel("当前鼠标X坐标:");
		lblY=new JLabel("当前鼠标Y坐标:");
		lblStatus=new JLabel("当前鼠标状态:");
		txtX=new JTextField(5);
		txtY=new JTextField(5);
		txtStatus=new JTextField(5);
		pnlMain.add(lblX);
		pnlMain.add(txtX);
		pnlMain.add(lblY);
		pnlMain.add(txtY);
		pnlMain.add(lblStatus);
		pnlMain.add(txtStatus);
		//addMouseListener(new MouseMotionListener());
		addMouseMotionListener(
			new MouseMotionAdapter()
			{
				public void mouseMoved(MouseEvent me)
				{	intX=me.getX();
					intY=me.getY();
					txtX.setText(String.valueOf(intX));
					txtY.setText(String.valueOf(intY));
				}
			}
		);
		this.addWindowListener(
			new WindowAdapter()
			{
				public void windowClosing(WindowEvent evt)
				{
					System.exit(0);
				}
			}
		);
		setTitle("鼠标事件演示");
		setSize(250,150);
		setVisible(true);
	}
	/*public void mouseClicked(MouseEvent me)
	{		
	}
	public void mousePressed(MouseEvent me)
	{
		txtStatus.setText("鼠标被按下");
	}
	public void mouseEntered(MouseEvent me)
	{
		txtStatus.setText("鼠标移入");
	}
	public void mouseExited(MouseEvent me)
	{
		txtStatus.setText("鼠标移出");
	}
	public void mouseReleased(MouseEvent me)
	{
		txtStatus.setText("鼠标被释放");
	}
	
	
	public void mouseDragged(MouseEvent me){}*/
	public static void main(String args[])
	{
		new MouseEventDemo();
	}
}