Java将图片Base64编码转换成img图片文件

/**
 * 将图片Base64编码转换成img图片文件
 *
 * @param imgBase64 图片Base64编码
 * @param imgPath   图片生成路径
 * @return
 */
public static boolean getImgBase64ToImgFile(String imgBase64, String imgPath) {
    boolean flag = true;
    OutputStream outputStream = null;
    try {
        // 解密处理数据
        byte[] bytes = Base64.getDecoder().decode(imgBase64);
        for (int i = 0; i < bytes.length; ++i) {
            if (bytes[i] < 0) {
                bytes[i] += 256;
            }
        }
        outputStream = new FileOutputStream(imgPath);
        outputStream.write(bytes);
    } catch (Exception e) {
        e.printStackTrace();
        flag = false;
    } finally {
        if (outputStream != null) {
            try {
                // 关闭outputStream流
                outputStream.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
    return flag;
}