jsp直接图片大小

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

public class ImageResizer {
    public static void resize(String originalImagePath, String resizedImagePath, int targetWidth, int targetHeight) {
        try {
            File originalImageFile = new File(originalImagePath);
            BufferedImage originalImage = ImageIO.read(originalImageFile);

            BufferedImage resizedImage = new BufferedImage(targetWidth, targetHeight, BufferedImage.TYPE_INT_RGB);
            Graphics2D g = resizedImage.createGraphics();
            g.drawImage(originalImage, 0, 0, targetWidth, targetHeight, null);
            g.dispose();

            File resizedImageFile = new File(resizedImagePath);
            ImageIO.write(resizedImage, "jpg", resizedImageFile);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        resize("path/to/original/image.jpg", "path/to/resized/image.jpg", 800, 600);
    }
}