java 上传文件

     public static boolean upload(File file, String savepath, String loginNo,
             String filename) {
         boolean mResult = false;
         InputStream in = null;
         OutputStream out = null;
         try {
             in = new BufferedInputStream(new FileInputStream(file));
             savepath = savepath + "/" + loginNo + "-" + filename;
             out = new BufferedOutputStream(new FileOutputStream(savepath));
             byte[] buffer = new byte[1024];
             int len = 0;
             while ((len = in.read(buffer)) > 0) {
                 out.write(buffer, 0, len);
             }
             mResult = true;
         } catch (Exception e) {
             mResult = false;
             e.printStackTrace();
         } finally {
             if (null != in) {
                 try {
                     in.close();
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
             }
             if (null != out) {
                 try {
                     out.close();
                 } catch (IOException e) {
                     e.printStackTrace();
                 }
             }
         }

         return mResult;
     }