二进制读取dll文件，base64编码输出

抽取文件读取输出

public static void main(String[] args) throws IOException {
        String docUploadPath = "D:\\mscordbi.dll";
        File refereeFile = new File(docUploadPath);
        byte[] refereeFileOriginalBytes = FileUtils.readFileToByteArray(refereeFile);
        byte[] refereeFileBase64Bytes = Base64.encodeBase64(refereeFileOriginalBytes);
        String UpFile = new String(refereeFileBase64Bytes, "UTF-8");
        System.out.println(UpFile);
        String content = UpFile;
        FileOutputStream fop = null;
        File file;
        try {
            file=new File("D:/t1.txt");
            fop = new FileOutputStream(file);

            // if file doesnt exists, then create it
            if (!file.exists()) {
                file.createNewFile();
            }

            // get the content in bytes
            byte[] contentInBytes = content.getBytes();

            fop.write(contentInBytes);
            fop.flush();
            fop.close();

            System.out.println("Done");

        } catch (IOException e) {
            e.printStackTrace();
        } finally {
            try {
                if (fop != null) {
                    fop.close();
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }