我刚刚创建了一个简单的图像面板并在面板上添加了一个按钮
任何人都可以告诉我代码中的问题吗？
图像显示但按钮不显示
package inventorymanagement;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Image;
import javax.swing.JButton;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JPanel;
public class ImageTest {
public static void main(String[] args) {
ImagePanel panel = new ImagePanel(new ImageIcon("E:/Desktop[/icon/6470729-exclamation-mark-icon-button-3d-red-glossy-circle.jpg").getImage());
JButton jButton1=new JButton("jButton1");
panel.add(jButton1);
JFrame frame = new JFrame();
frame.getContentPane().add(panel);
frame.pack();
frame.setVisible(true);
}
}
class ImagePanel extends JPanel {
private Image img;
public ImagePanel(String img) {
this(new ImageIcon(img).getImage());
}
public ImagePanel(Image img) {
this.img = img;
Dimension size = new Dimension(img.getWidth(null), img.getHeight(null));
setPreferredSize(size);
setMinimumSize(size);
setMaximumSize(size);
setSize(size);
setLayout(null);
}
public void paintComponent(Graphics g) {
g.drawImage(img, 0, 0, null);
}
}