/**

      * TODO 下载文件到本地

      * @author nadim

      * @date Sep 11, 2015 11:45:31 AM

      * @param fileUrl 远程地址

      * @param fileLocal 本地路径

      * @throws Exception

      */

     public void downloadFile(String fileUrl,String fileLocal) throws Exception {

         URL url = new URL(fileUrl);

         HttpURLConnection urlCon = (HttpURLConnection) url.openConnection();

         urlCon.setConnectTimeout(6000);

         urlCon.setReadTimeout(6000);

         int code = urlCon.getResponseCode();

         if (code != HttpURLConnection.HTTP_OK) {

             throw new Exception("文件读取失败");

         }

         //读文件流

         DataInputStream in = new DataInputStream(urlCon.getInputStream());

         DataOutputStream out = new DataOutputStream(new FileOutputStream(fileLocal));

         byte[] buffer = new byte[2048];

         int count = 0;

         while ((count = in.read(buffer)) > 0) {

             out.write(buffer, 0, count);

         }

         out.close();

         in.close();

     }