public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		String path = this.getServletContext().getRealPath(
				"/WEB-INF/huoju-client.zip");

		BufferedInputStream bis = null;
		BufferedOutputStream bos = null;
		OutputStream fos = null;
		InputStream fis = null;
		try {
			response.setContentType("application/octet-stream");
			response.setHeader("Content-disposition", "attachment;filename="
					+ "huoju-client.zip");
			fis = new FileInputStream(path);
			bis = new BufferedInputStream(fis);
			fos = response.getOutputStream();
			bos = new BufferedOutputStream(fos);
			int bytesRead = 0;
			byte[] buffer = new byte[5 * 1024];
			while ((bytesRead = bis.read(buffer)) != -1) {
				bos.write(buffer, 0, bytesRead);// 将文件发送到客户端
			}
			bos.close();
			bis.close();
			fos.close();
			fis.close();
		} catch (IOException e) {
			response.reset();
			e.printStackTrace();
		} finally {
			try {
				if (fos != null) {
					fos.close();
				}
				if (bos != null) {
					bos.close();
				}
				if (fis != null) {
					fis.close();
				}
				if (bis != null) {
					bis.close();
				}
			} catch (IOException e) {
				System.err.print(e);
			}
		}