페이지 로딩 시간을 줄이고 Java 웹사이트의 액세스 속도를 향상시키기 위해 이미지 압축을 사용하는 방법은 무엇입니까?

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

public class ImageCompressor {

    public static void main(String[] args) {
        try {
            BufferedImage image = ImageIO.read(new File("original_image.jpg"));
            // 压缩图片的逻辑代码
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

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

public class ImageCompressor {

    public static void main(String[] args) {
        try {
            BufferedImage image = ImageIO.read(new File("original_image.jpg"));
            float quality = 0.8f; // 设置压缩质量因子

            File compressedImageFile = new File("compressed_image.jpg");
            ImageIO.write(compressImage(image, quality), "jpg", compressedImageFile);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static BufferedImage compressImage(BufferedImage image, float quality) {
        Image compressedImage = image.getScaledInstance(
                (int) (image.getWidth() * quality),
                (int) (image.getHeight() * quality),
                Image.SCALE_SMOOTH);

        BufferedImage bufferedImage = new BufferedImage(
                compressedImage.getWidth(null),
                compressedImage.getHeight(null),
                BufferedImage.TYPE_INT_RGB);

        Graphics2D graphics = bufferedImage.createGraphics();
        graphics.drawImage(compressedImage, 0, 0, null);
        graphics.dispose();

        return bufferedImage;
    }
}

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

public class ImageCompressor {

    public static void main(String[] args) {
        try {
            BufferedImage image = ImageIO.read(new File("original_image.jpg"));
            int targetWidth = 800; // 设置目标宽度
            int targetHeight = (int) (image.getHeight() * ((float) targetWidth / image.getWidth())); // 计算目标高度

            File compressedImageFile = new File("compressed_image.jpg");
            ImageIO.write(resizeImage(image, targetWidth, targetHeight), "jpg", compressedImageFile);
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    private static BufferedImage resizeImage(BufferedImage image, int targetWidth, int targetHeight) {
        Image resizedImage = image.getScaledInstance(targetWidth, targetHeight, Image.SCALE_SMOOTH);

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

        return bufferedImage;
    }
}