📄 imagepanel.java
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import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
class ImagePanel extends JPanel
{
private Image _img;
public ImagePanel (ImageIcon imageIcon) //构造时候给他一个背景图片的参数
{
setOpaque(false);
_img = imageIcon.getImage();
setPreferredSize(new Dimension(imageIcon.getIconWidth(),imageIcon.getIconHeight()));
}
protected void paintComponent(Graphics g)
{
super.paintComponent(g);
g.drawImage(_img,0,0,this);
}
public void setBorder(Border b)
{
super.setBorder(b);
}
public void setImage(ImageIcon img)
{
if(img != null)
{
this._img = img.getImage();
}
}
}
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