📄 testimage.java
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//此类功能是向jPanel上加载图片
package audioplayer;
import javax.swing.JPanel;
import java.io.Serializable;
import java.awt.Image;
import java.awt.image.BufferedImage;
import java.awt.Graphics;
import java.awt.Color;
import java.awt.Toolkit;
public class TestImage extends JPanel implements Serializable
{
private Image imgBackGround=null;
public TestImage()
{
imgBackGround=new BufferedImage(200,200,BufferedImage.SCALE_REPLICATE);
Graphics g=imgBackGround.getGraphics();
g.setColor(Color.white);
g.clearRect(0,0,200,200);//注视的
g.drawString("Now no image",50,50);
}
public void setImage(String strImageName)
{
imgBackGround=Toolkit.getDefaultToolkit().getImage(strImageName);
repaint();
}
public void paintComponent(Graphics g)
{
g.drawImage(imgBackGround,0,0,getSize().width,getSize().height,this);
}
}
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