Java? ???? CMS ???? ??? ???? ??? ???? ??

??: CMS ???? ??? ???? ??? ???? ???? ????? ????? ?? ????? ??? ? ????. ? ????? Java? ???? CMS ???? ??? ???? ??? ???? ??? ???? ?? ??? ?????.

1. ??
   ???? ???? ??? ???? ???? ??? ??? ??? ?? ??? ?????. ???? ???? ???? ?? ?? CMS ????? ??? ???? ??? ?????. ??? ????? ???? ???? ???? ?? ?? ??, ??? ?? ? ?? ??? ??? ???? ???? ?????.
2. ??? ???? ?? ??? ?? ??
   ??? ???? ?? ??? ?? ??? ???? ???? ???? ???? ????. ?? ??? ??? ?? ?? ??? ?? ? ??? ???? ??? ??? ? ????. ??. Java??? Java 2D API? ???? ???? ???? ??? ??? ? ????.
3. ??? ???? ?? ??
   ??? ???? ??? ????? ?? ??? ??? ???.

1??: ??? ??
?? ????? ??? ???? ???? ???. Java? ImageIO ???? ???? ???? ??? ? ????.

File file = new File("image.jpg");
BufferedImage image = ImageIO.read(file);

2??: ??? ?? ??
??? ??? ???? ???? ?????.

Graphics2D g2d = (Graphics2D) image.getGraphics();

3??: ??? ??? ?????. ????
???? ?? ?????? ?? ??, ?? ??, ??? ? ?? ??? ??? ? ????. ?? ?? Graphics ??? ?? ???? ???? ???? ???? ???? ????. ??? ??? ????.

Font font = new Font("Arial", Font.BOLD, 12);
g2d.setFont(font);
g2d.setColor(Color.RED);
g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
g2d.drawString("Copyright", 10, 10);

4??: ??? ??
????? ??? ? ???? ???? ???? ???. ??? ??? ????.

ImageIO.write(image, "jpg", new File("watermarked_image.jpg"));

?? ?? ?:

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

public class ImageWatermark {

    public static void main(String[] args) {
        try {
            // 加載圖片
            File file = new File("image.jpg");
            BufferedImage image = ImageIO.read(file);
            
            // 創(chuàng)建Graphics對象
            Graphics2D g2d = (Graphics2D) image.getGraphics();
            
            // 添加水印
            Font font = new Font("Arial", Font.BOLD, 12);
            g2d.setFont(font);
            g2d.setColor(Color.RED);
            g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
            g2d.drawString("Copyright", 10, 10);

            // 保存圖片
            ImageIO.write(image, "jpg", new File("watermarked_image.jpg"));
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

4. ??
   Java? Java 2D API? ???? CMS ???? ??? ???? ??? ?? ??? ? ????. ?? ?? ??? ???? ????, Graphics ??? ????, ????? ????, ????? ??? ???? ???? ???? ??? ?????. ?? ??? ?? ?? ? ???? ?? ????? ???? ??? ??? ?? ? ????. ??? ???? ??? ???? ???? ???? ????? ????, ???? ?? ? ??? ????, ???? ?? ??? ??? ? ????.

?? ??:

• Java ?? ??: https://docs.oracle.com/javase/8/docs/api/java/awt/Graphics2D.html

? ??? Java? ???? CMS ???? ??? ???? ??? ???? ??? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!