backgroundpanel.java

来自「软件工程实践课程的答案哦」· Java 代码 · 共 35 行

import javax.swing.*;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Image;
import javax.imageio.*;
import java.io.*;
public class BackgroundPanel extends JPanel {
	Image image=null;
	
	
	public BackgroundPanel(String s)
	{
		super();
		try
		{
			File file = new File(s);
			this.image = ImageIO.read(file);
		}
		catch(Exception e)
		{
			
		}
		

	}
	
	  public void paintComponent(Graphics g){
	    
	     super.paintComponent(g);
	     Graphics2D g2d=(Graphics2D)g;
	     g2d.drawImage(image,0,0, this);
	   }

}