将byte[]保存到图像文件中

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

public class ByteToImage {
    public static void main(String[] args) {
        byte[] imageData = /* 从某处获取字节数组 */;
        String filePath = "path/to/save/image.jpg";

        try {
            // 解码字节数组为图像数据
            BufferedImage image = ImageIO.read(new ByteArrayInputStream(imageData));

            // 创建图像文件
            File outputFile = new File(filePath);

            // 将图像数据写入文件
            ImageIO.write(image, "jpg", outputFile);

            System.out.println("图像保存成功！");
        } catch (IOException e) {
            System.out.println("图像保存失败：" + e.getMessage());
        }
    }
}