/****

	 * 下载pdf文件

	 */

	public static void downloadNet(String urlStr, String fileName, String savePath) throws MalformedURLException {

		// 下载网络文件

		int bytesum = 0;

		int byteread = 0;

		// System.out.println(fileName);

		URL url = new URL(urlStr);

		try {

			URLConnection conn = url.openConnection();

			conn.setConnectTimeout(30000);

			conn.setReadTimeout(30000);

			conn.setRequestProperty("Host", "paper.cnstock.com");

			conn.setRequestProperty("User-Agent",

					"Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:53.0) Gecko/20100101 Firefox/53.0");

			conn.setRequestProperty("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");

			conn.setRequestProperty("Accept-Language", "zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3");

			conn.setRequestProperty("Accept-Encoding", "utf8, deflate");//注意编码，gzip可能会乱码

			conn.setRequestProperty("Content-Encoding", "utf8");

			conn.setRequestProperty("Connection", "keep-alive");

			conn.setRequestProperty("Upgrade-Insecure-Requests", "1");

			conn.setRequestProperty("Cookie", cookie);

			conn.setRequestProperty("Cache-Control", "max-age=0");

			conn.setRequestProperty("Content-Type", "application/pdf");

			// savePage(page,savePath,fileName);

			InputStream inStream = conn.getInputStream();

			FileOutputStream fs = new FileOutputStream(savePath + fileName);

			byte[] buffer = new byte[1204];

			int length;

			while ((byteread = inStream.read(buffer)) != -1) {

				bytesum += byteread;

				// System.out.println(bytesum);

				fs.write(buffer, 0, byteread);

			}

			inStream.close();

			fs.close();

		} catch (FileNotFoundException e) {

			e.printStackTrace();

		} catch (IOException e) {

			e.printStackTrace();

		}

	}