将Base64编码图像字符串加载到JLabel中

import java.awt.image.BufferedImage;
import java.io.IOException;
import javax.imageio.ImageIO;
import javax.swing.JLabel;
import javax.swing.JOptionPane;

public class Base64ImageLoader {

    public static void main(String[] args) throws IOException {
        String imageString = "data:image/png;base64,iVBORw0KGg...";
        BufferedImage image = ImageIO.read(new Base64InputStream(imageString));
        JLabel label = new JLabel(new ImageIcon(image));
        JOptionPane.showMessageDialog(null, label, "Base64 Image Loader", JOptionPane.PLAIN_MESSAGE);
    }
}