读取网盘文件下载到服务器

public void download(String url,String fileName) {String path = request.getSession().getServletContext().getRealPath("/data/file/")+"/"+fileName;File directory = new File(request.getSession().getServletContext().getRealPath("/data/file/"));if(!directory.exists()){//创建目录boolean result = directory.mkdirs();if(!result){logger.error("创建目录失败！");}}try {getURLResource(path,url);} catch (Exception e1) {// TODO Auto-generated catch blocke1.printStackTrace();}}//存图片到服务器上 public static void getURLResource(String ourputFile,String urlStr) throws Exception {    URL url = new URL(urlStr);           HttpURLConnection conn = (HttpURLConnection)url.openConnection();           conn.setRequestMethod("GET");           conn.setConnectTimeout(5 * 1000);           InputStream inStream = conn.getInputStream();//通过输入流获取图片数据           byte[] btImg = readInputStream(inStream);//得到图片的二进制数据                  File file = new File(ourputFile);              FileOutputStream fops = null;              try {            fops = new FileOutputStream(file);                fops.write(btImg);                  fops.flush();                  fops.close(); } catch (Exception e) {try{if( fops!=null ){fops.close();}}catch( Exception ex ){ex.printStackTrace();}e.printStackTrace();}        }    public static byte[] readInputStream(InputStream inStream) throws Exception{          ByteArrayOutputStream outStream = new ByteArrayOutputStream();          byte[] buffer = new byte[1024];          int len = 0;          while( (len=inStream.read(buffer)) != -1 ){              outStream.write(buffer, 0, len);          }          inStream.close();          return outStream.toByteArray();      }