Не удалось загрузить файл с изображениями на сервере

Question

Я пытаюсь загрузить изображение на сервер. Когда я нажимаю кнопку загрузки, я получаю код ответа 200, который в порядке. Но затем я проверяю папку, которая находится в IIS для проверки загруженного изображения, показывает пустую папку. Просто нет загруженного файла. Я не знаю, где я ошибаюсь. Вот мой код,

new Upload().execute(); 

    class Upload extends AsyncTask<Void, Void, Void> { 

     @Override 
     protected Void doInBackground(Void... params) { 
      // TODO Auto-generated method stub 
       String upLoadServerUri = "http://192.168.77.120/CheckInn/Reservation.svc/Upload"; 
       String fileName = "/storage/extSdCard/DCIM/Camera/images.jpeg"; 

       HttpURLConnection conn = null; 
       DataOutputStream dos = null; 
       String lineEnd = "\r\n"; 
       String twoHyphens = "--"; 
       String boundary = "*****"; 
       int bytesRead, bytesAvailable, bufferSize; 
       byte[] buffer; 
       int maxBufferSize = 1 * 1024 * 1024; 
       File sourceFile = new File("/storage/extSdCard/DCIM/Camera/images.jpeg"); 
       if (!sourceFile.isFile()) { 
       Log.e("uploadFile", "Source File Does not exist"); 
//    return 0; 
       } 
        try { // open a URL connection to the Servlet 
        FileInputStream fileInputStream = new FileInputStream(sourceFile); 
        URL url = new URL(upLoadServerUri); 
        conn = (HttpURLConnection) url.openConnection(); // Open a HTTP connection to the URL 
        conn.setDoInput(true); // Allow Inputs 
        conn.setDoOutput(true); // Allow Outputs 
        conn.setUseCaches(false); // Don't use a Cached Copy 
        conn.setRequestMethod("POST"); 
        conn.setRequestProperty("Connection", "Keep-Alive"); 
        conn.setRequestProperty("ENCTYPE", "multipart/form-data"); 
        conn.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + boundary); 
        conn.setRequestProperty("uploaded_file", fileName); 
        dos = new DataOutputStream(conn.getOutputStream()); 
     System.out.println(".........."); 
        dos.writeBytes(twoHyphens + boundary + lineEnd); 
        dos.writeBytes("Content-Disposition: form-data; name=\"uploaded_file\";filename=\""+ fileName + "\"" + lineEnd); 
        dos.writeBytes(lineEnd); 

        bytesAvailable = fileInputStream.available(); // create a buffer of maximum size 

        bufferSize = Math.min(bytesAvailable, maxBufferSize); 
        buffer = new byte[bufferSize]; 

        // read file and write it into form... 
        bytesRead = fileInputStream.read(buffer, 0, bufferSize); 

        while (bytesRead > 0) { 
        dos.write(buffer, 0, bufferSize); 
        bytesAvailable = fileInputStream.available(); 
        bufferSize = Math.min(bytesAvailable, maxBufferSize); 
        bytesRead = fileInputStream.read(buffer, 0, bufferSize);    
        } 

        // send multipart form data necesssary after file data... 
        dos.writeBytes(lineEnd); 
        dos.writeBytes(twoHyphens + boundary + twoHyphens + lineEnd); 

        // Responses from the server (code and message) 
        serverResponseCode = conn.getResponseMessage(); 
        System.out.println("....." + serverResponseCode); 
        String serverResponseMessage = conn.getResponseMessage(); 

        Log.i("uploadFile", "HTTP Response is : " + serverResponseMessage + ": " + serverResponseCode); 
        if(!serverResponseMessage.isEmpty()){ 
         runOnUiThread(new Runnable() { 
          public void run() { 
           tv.setText("File Upload Completed."); 
           Toast.makeText(MainActivity.this, "File Upload Complete.", Toast.LENGTH_SHORT).show(); 
          } 
         });     
        }  

        //close the streams // 
        fileInputStream.close(); 
        dos.flush(); 
        dos.close(); 

       } catch (MalformedURLException ex) { 
        dialog.dismiss(); 
        ex.printStackTrace(); 
        Toast.makeText(MainActivity.this, "MalformedURLException", Toast.LENGTH_SHORT).show(); 
        Log.e("Upload file to server", "error: " + ex.getMessage(), ex); 
       } catch (Exception e) { 
        dialog.dismiss(); 
        e.printStackTrace(); 
        Toast.makeText(MainActivity.this, "Exception : " + e.getMessage(), Toast.LENGTH_SHORT).show(); 
        Log.e("Upload file to server Exception", "Exception : " + e.getMessage(), e); 
       } 
       dialog.dismiss();  
      return null; 
     } 

    } 

Web код услуги:

public string Upload(Stream Uploading) 
     { 
      MultipartParser parser = new MultipartParser(Uploading); 
      string fullOutputPath = @"E:\Publish\CheckIn\Documents\" + parser.Filename;// + ".jpg"; 
      if (parser.Success) 
      { 
       byte[] imgByte = parser.FileContents; 
       System.Drawing.Image img; 
       using (MemoryStream memStream = new MemoryStream(imgByte)) 
       { 
        using (img = System.Drawing.Image.FromStream(memStream)) 
        { 
         img.Save(fullOutputPath, System.Drawing.Imaging.ImageFormat.Jpeg); 
        } 
       } 

       // Save the file 
       // SaveFile(parser.Filename, parser.ContentType, parser.FileContents); 
      } 
      return "File Save Successfully"; 
} 

Answer 1

Try ниже код, он работает для меня

public static String submitData() 
{ 
    String m_wsUrl = "http://192.168.77.120/CheckInn/Reservation.svc/Upload"; 
    String m_filePath = "/storage/extSdCard/DCIM/Camera/images.jpeg"; 
    String m_fileKey = "uploaded_file"; 
    String m_serverResponse = null; 
    try 
    { 
     HttpURLConnection m_httpconnection = null; 
     String m_attachment_type; 
     OutputStream m_outputStream; 
     m_httpconnection = (HttpURLConnection) new URL(m_wsUrl).openConnection(); 
     m_httpconnection.setConnectTimeout(5000); 
     m_httpconnection.setDoInput(true); 
     m_httpconnection.setDoOutput(true); 
     m_httpconnection.setRequestMethod("POST"); 
     m_httpconnection.setRequestProperty("Connection", "Keep-Alive"); 
     m_httpconnection.setRequestProperty("Content-Type", "multipart/form-data;boundary=" + BOUNDARY); 
     m_attachment_type = "application/octet-stream"; 
     m_outputStream = m_httpconnection.getOutputStream(); 
     StringBuffer m_buffer = new StringBuffer(); 
     m_buffer.append("--" + BOUNDARY + "\r\n"); 
     m_buffer.append("Content-Disposition: form-data; name=\"webdata\"" + "\r\n\r\n"); 
     m_outputStream.write(m_buffer.toString().getBytes()); 
     if (m_filePath != null) 
     { 
      String m_str = "--" + BOUNDARY + "\r\n" + "Content-Disposition: form-data; name=" + m_fileKey + "; filename=\"" + new File(m_filePath).getName() + "\"\r\n" + "Content-Type: " + m_attachment_type + "\r\n" + "\r\n"; 
      m_outputStream.write(m_str.getBytes()); 
      byte[] m_mediaNuffer = new byte[BUFFER_SIZE]; 
      try 
      { 
       m_in = new BufferedInputStream(new FileInputStream(m_filePath)); 
       while ((m_in.read(m_mediaNuffer, 0, BUFFER_SIZE)) > 0) 
       { 
        m_outputStream.write(m_mediaNuffer); 
       } 
      } 
      catch (Exception p_e) 
      { 
      } 
      finally 
      { // always close input stream 
       try 
       { 
        m_in.close(); 
       } 
       catch (IOException p_e) 
       { 
       } 
      } 
      m_outputStream.write("\r\n".getBytes()); 
      m_outputStream.write(("--" + BOUNDARY + "\r\n").getBytes()); 
     } 
     m_outputStream.flush(); 
     m_outputStream.close(); 
     if (m_httpconnection.getResponseCode() == HttpURLConnection.HTTP_OK) 
     { 
      try 
      { 
       String m_str; 
       StringBuffer m_buff = new StringBuffer(); 
       BufferedReader m_in = new BufferedReader(new InputStreamReader(m_httpconnection.getInputStream())); 
       while ((m_str = m_in.readLine()) != null) 
        m_buff.append(m_str); 
       m_serverResponse = m_buff.toString(); 
       return m_serverResponse; 
      } 
      catch (IOException p_te) 
      { 
       // UNABLE_TO_CONNECT_SERVER 
      } 
      finally 
      { 
       try 
       { 
        m_httpconnection.disconnect(); 
       } 
       catch (Throwable p_e) 
       { 
       } 
      } 
     } 
     else 
     { 
      // UNABLE_TO_CONNECT_SERVER 
     } 
    } 
    catch (SocketTimeoutException te) 
    { 
    } 
    catch (IOException ie) 
    { 
    } 
    return m_serverResponse; 
}