Java-图片大小

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

public class ImageUtil {
    public static ImageInfo getImageInfo(String url) {
        File picture = new File (url);
        BufferedImage sourceImg = null;
        try {
            sourceImg = ImageIO.read(new FileInputStream(picture));
        } catch (IOException e) {
            e.printStackTrace();
        }
        return new ImageInfo(sourceImg.getWidth(), sourceImg.getHeight());
    }

    public static void main(String[] args) {
        ImageInfo imageInfo = getImageInfo("/Users/wangwz/Pictures/nature-3340709__480.jpg");
        System.out.println(imageInfo.toString());
    }
}

@Data
@AllArgsConstructor
public class ImageInfo {
    private int width;
    private int height;
}