public void stream() {
		int con = 0;

		FileInputStream fis = null;
		BufferedInputStream bis = null;
		FileOutputStream fos = null;
		BufferedOutputStream bos = null;

		try {
			// 读
			fis = new FileInputStream(inFilePath);
			bis = new BufferedInputStream(fis);

			// 写
			fos = new FileOutputStream(outFilePath);
			bos = new BufferedOutputStream(fos);

			while ((con = bis.read()) != -1) {
				content.append((char) con);
				bos.write(con);
			}

			System.out.println(content);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				// 关闭流,先关输出在关输入
				bos.flush();
				bos.close();
				// 不需要关闭了，处理流会将被处理流一起关闭
				// fos.flush();
				// fos.close();
				bis.close();
				// fis.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
	}