Android 照片上傳

出處

public int uploadFile(String sourceFileUri) {

           

           

          String fileName = sourceFileUri;

  

          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(sourceFileUri);

           

          if (!sourceFile.isFile()) {

               

               dialog.dismiss();

                

               Log.e("uploadFile", "Source File not exist :"+imagepath);

                

               runOnUiThread(new Runnable() {

                   public void run() {

                       messageText.setText("Source File not exist :"+ imagepath);

                   }

               });

                

               return 0;

            

          }

          else

          {

               try {

                    

                     // open a URL connection to the Servlet

                   FileInputStream fileInputStream = new FileInputStream(sourceFile);

                   URL url = new URL(upLoadServerUri);

                    

                   // Open a HTTP  connection to  the URL

                   conn = (HttpURLConnection) url.openConnection();

                   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());

          

                   dos.writeBytes(twoHyphens + boundary + lineEnd);

                   dos.writeBytes("Content-Disposition: form-data; name=\"uploaded_file\";filename=\""

                                             + fileName + "\"" + lineEnd);

                    

                   dos.writeBytes(lineEnd);

          

                   // create a buffer of  maximum size

                   bytesAvailable = fileInputStream.available();

          

                   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.getResponseCode();

                   String serverResponseMessage = conn.getResponseMessage();

                     

                   Log.i("uploadFile", "HTTP Response is : "

                           + serverResponseMessage + ": " + serverResponseCode);

                    

                   if(serverResponseCode == 200){

                        

                       runOnUiThread(new Runnable() {

                            public void run() {

                                String msg = "File Upload Completed.\n\n See uploaded file your server. \n\n";

                                messageText.setText(msg);

                                Toast.makeText(FileUpload.this, "File Upload Complete.", Toast.LENGTH_SHORT).show();

                            }

                        });               

                   }   

                    

                   //close the streams //

                   fileInputStream.close();

                   dos.flush();

                   dos.close();

                     

              } catch (MalformedURLException ex) {

                   

                  dialog.dismiss(); 

                  ex.printStackTrace();

                   

                  runOnUiThread(new Runnable() {

                      public void run() {

                          messageText.setText("MalformedURLException Exception : check script url.");

                          Toast.makeText(FileUpload.this, "MalformedURLException", Toast.LENGTH_SHORT).show();

                      }

                  });

                   

                  Log.e("Upload file to server", "error: " + ex.getMessage(), ex); 

              } catch (Exception e) {

                   

                  dialog.dismiss(); 

                  e.printStackTrace();

                   

                  runOnUiThread(new Runnable() {

                      public void run() {

                          messageText.setText("Got Exception : see logcat ");

                          Toast.makeText(FileUpload.this, "Got Exception : see logcat ", Toast.LENGTH_SHORT).show();

                      }

                  });

                  Log.e("Upload file to server Exception", "Exception : "  + e.getMessage(), e); 

              }

              dialog.dismiss();      

              return serverResponseCode;

               

           } // End else block

         }