通过系统缓冲字节流类提高IO操作效率

	/**
	 * 通过系统缓冲字节流类提高IO操作效率
	 * 
	 * @param fileFrom
	 * @param fileTo
	 */
	public static void readWriteBuffer(String fileFrom, String fileTo) {
		InputStream inBuffer = null;
		OutputStream outBuffer = null;

		try {
			inBuffer = new BufferedInputStream(new FileInputStream(fileFrom));
			outBuffer = new BufferedOutputStream(new FileOutputStream(fileTo));

			int b;
			byte[] buff = new byte[1024];
		
			while ((b = inBuffer.read(buff)) != -1) {
				outBuffer.write(buff);
			}
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				if (inBuffer != null) {
					inBuffer.close();
					inBuffer = null;
				}
				if (outBuffer != null) {
					outBuffer.close();
					outBuffer = null;
				}
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}