public static byte[] getLocalPicture() throws Exception {
        byte[] data = null;
        FileImageInputStream input = new FileImageInputStream(new File(
                "d://HaierVR.jpg"));
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        byte[] buf = new byte[1024];
        int numBytesRead = 0;
        while ((numBytesRead = input.read(buf)) != -1) {
            output.write(buf, 0, numBytesRead);
        }
        data = output.toByteArray();
        output.close();
        input.close();
        return data;
    }

    public static void writeLocalPicture(byte[] data) throws Exception {
        FileImageOutputStream imageOutput = new FileImageOutputStream(new File(
                "e://123.jpg"));
        imageOutput.write(data, 0, data.length);
        imageOutput.close();
    }