Java と Youpai Cloud の画像処理を最適化: 高速で高品質な画像編集を実現します

import com.upyun.UpYun;
import com.upyun.UpYunException;

public class UpYunImageService {
    private static final String BUCKET_NAME = "your_bucket_name";
    private static final String OPERATOR_NAME = "your_operator_name";
    private static final String OPERATOR_PASSWORD = "your_operator_password";

    private UpYun upyun;

    public UpYunImageService() {
        upyun = new UpYun(BUCKET_NAME, OPERATOR_NAME, OPERATOR_PASSWORD);
    }
}

import com.upyun.UpYun;
import com.upyun.UpYunException;

public class UpYunImageService {
    // ...

    // 图片裁剪和缩放
    public void cropAndResizeImage(String sourceFilename, String targetFilename, int x, int y, int width, int height, int resizeWidth, int resizeHeight) {
        try {
            String sourcePath = "/" + sourceFilename;
            String targetPath = "/" + targetFilename;

            // 构建图像处理参数
            String params = "crop/" + width + "x" + height + "a" + x + "a" + y + "|"
                    + "thumbnail/" + resizeWidth + "x" + resizeHeight;

            // 执行图像处理操作
            boolean result = upyun.writeFile(targetPath, upyun.readFile(sourcePath), true, params);

            if (result) {
                System.out.println("图像处理成功！");
            } else {
                System.out.println("图像处理失败！");
            }
        } catch (UpYunException e) {
            e.printStackTrace();
        }
    }
}

String params = "rotate/" + rotateDegree;

String params = "watermark/text/" + Base64.encodeBase64String(watermarkText.getBytes()) + "/fontsize/" + fontSize + "/color/" + color + "/shadow/" + shadow;

String params = "filter/" + filterName;