Uri位圖問題

我從Google登錄中獲取配置文件圖像作爲Uri，現在想要在另一臺服務器上發送該圖像。Uri位圖問題

所以下面是我使用相同的類。

MultipartUtility.java

public class MultipartUtility { 
    private final String boundary; 
    private static final String LINE_FEED = "\r\n"; 
    private HttpURLConnection httpConn; 
    private String charset; 
    private OutputStream outputStream; 
    private PrintWriter writer; 

    /** 
    * This constructor initializes a new HTTP POST request with content type 
    * is set to multipart/form-data 
    * 
    * @param requestURL 
    * @param charset 
    * @throws IOException 
    */ 
    public MultipartUtility(String requestURL, String charset) 
      throws IOException { 
     this.charset = charset; 

     // creates a unique boundary based on time stamp 
     boundary = "===" + System.currentTimeMillis() + "==="; 
     URL url = new URL(requestURL); 
     httpConn = (HttpURLConnection) url.openConnection(); 
     httpConn.setUseCaches(false); 
     httpConn.setDoOutput(true); // indicates POST method 
     httpConn.setDoInput(true); 
     httpConn.setRequestProperty("Content-Type", 
       "multipart/form-data; boundary=" + boundary); 
     outputStream = httpConn.getOutputStream(); 
     writer = new PrintWriter(new OutputStreamWriter(outputStream, charset), 
       true); 
    } 

    /** 
    * Adds a form field to the request 
    * 
    * @param name field name 
    * @param value field value 
    */ 
    public void addFormField(String name, String value) { 
     writer.append("--" + boundary).append(LINE_FEED); 
     writer.append("Content-Disposition: form-data; name=\"" + name + "\"") 
       .append(LINE_FEED); 
     writer.append("Content-Type: text/plain; charset=" + charset).append(
       LINE_FEED); 
     writer.append(LINE_FEED); 
     writer.append(value).append(LINE_FEED); 
     writer.flush(); 
    } 

    /** 
    * Adds a upload file section to the request 
    * 
    * @param fieldName name attribute in <input type="file" name="..." /> 
    * @param uploadFile a File to be uploaded 
    * @throws IOException 
    */ 
    public void addFilePart(String fieldName, File uploadFile) 
      throws IOException { 
     String fileName = uploadFile.getName(); 
     writer.append("--" + boundary).append(LINE_FEED); 
     writer.append(
       "Content-Disposition: form-data; name=\"" + fieldName 
         + "\"; filename=\"" + fileName + "\"") 
       .append(LINE_FEED); 
     writer.append(
       "Content-Type: " 
         + URLConnection.guessContentTypeFromName(fileName)) 
       .append(LINE_FEED); 
     writer.append("Content-Transfer-Encoding: binary").append(LINE_FEED); 
     writer.append(LINE_FEED); 
     writer.flush(); 

     FileInputStream inputStream = new FileInputStream(uploadFile); 
     byte[] buffer = new byte[4096]; 
     int bytesRead = -1; 
     while ((bytesRead = inputStream.read(buffer)) != -1) { 
      outputStream.write(buffer, 0, bytesRead); 
     } 
     outputStream.flush(); 
     inputStream.close(); 
     writer.append(LINE_FEED); 
     writer.flush(); 
    } 

    /** 
    * Adds a header field to the request. 
    * 
    * @param name - name of the header field 
    * @param value - value of the header field 
    */ 
    public void addHeaderField(String name, String value) { 
     writer.append(name + ": " + value).append(LINE_FEED); 
     writer.flush(); 
    } 

    /** 
    * Completes the request and receives response from the server. 
    * 
    * @return a list of Strings as response in case the server returned 
    * status OK, otherwise an exception is thrown. 
    * @throws IOException 
    */ 
    public List<String> finish() throws IOException { 
     List<String> response = new ArrayList<String>(); 
     writer.append(LINE_FEED).flush(); 
     writer.append("--" + boundary + "--").append(LINE_FEED); 
     writer.close(); 

     // checks server's status code first 
     int status = httpConn.getResponseCode(); 
     if (status == HttpURLConnection.HTTP_OK) { 
      BufferedReader reader = new BufferedReader(new InputStreamReader(
        httpConn.getInputStream())); 
      String line = null; 
      while ((line = reader.readLine()) != null) { 
       response.add(line); 
      } 
      reader.close(); 
      httpConn.disconnect(); 
     } else { 
      throw new IOException("Server returned non-OK status: " + status); 
     } 
     return response; 
    } 
}

回調：

MultipartUtility multipart = new MultipartUtility(url, "UTF-8"); 
      multipart.addFormField("token", token); 
      multipart.addFormField("user_id", userid); 
      multipart.addFormField("email", email); 
      multipart.addFormField("name", name); 
      multipart.addFilePart("image", folder);

以下是我收到的錯誤：java.io.FileNotFoundException： HTTPS：/lh5.googleusercontent .com/-IsN40fH-ld4/AAAAAAAAAAI/AAAAAAAAAAA/AAomvV1zuROxSSb-oMcEht44cCMEXmZQiw/s96-c/photo.jpg：打開失敗：ENOENT（沒有這樣的文件或目錄）

圖像文件我發送到服務器：HTTPS：/lh5.googleusercontent.com/-IsN40fH-ld4/AAAAAAAAAAI/AAAAAAAAAAA/AAomvV1zuROxSSb-oMcEht44cCMEXmZQiw/s96 -c/photo.jpg

請幫我這個。

來源

2017-03-15 young_08

你可以以64位字符串的形式存儲你的圖像。 –

@AtifAbbAsi我想以jpg/png的形式發送。 –

首先你需要下載這個圖片之後，可以發送這個圖像到另一臺服務器。 –

你處理你的文件夾類似下面 -

File folder =null; 
folder = new File(Environment.getExternalStorageDirectory().getAbsolutePath()+"/"+"name.png"); 
FileOutputStream fos = new FileOutputStream(folder); 
bmp.compress(Bitmap.CompressFormat.PNG,90,fos);

嘗試添加這些行。

來源

2017-03-15 10:29:29

我從服務器獲取圖像。 –

然後嘗試先保存圖像和獲取圖像，將其轉換爲文件格式，然後將其發送到服務器。 –

試着閱讀本教程。 Image Uri To Bitmap

來源

2017-03-15 10:18:03

嘗試不工作 –

我不想設置成imageview。我想發送到服務器。 –

http://stackoverflow.com/questions/12796579/how-to-send-image-bitmap-to-server-in-android-with-multipart-form-data-json try thi slink –

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