HTTP POST Multipart/Form-Data? ???? Windows Phone 8? ??? ??? ???? ???

? ????? multipart/form-data? ?? HTTP POST? ???? ??? ??? ????? ?? ???? ?????. ? ????? HTTPWebRequest? ???? Windows Phone 8 ??? ??? ???? ? ???? ??? ???? ??? ???? ?????.

Windows Phone 8? ?? ??

?? ????? HttpWebRequest? ???? ?? ??/?? ??? POST ??? ????. ??? ??? ?????? ???? ?? ?? ??? ???? ?? ?????. Multipart/form-data ??? ?? ??? ??? ?? ??? ??? ???? ???.

Windows Phone 8? ?? ??? ???

? ??? ???? ?? ??? ??? ??? ????.

async void MainPage_Loaded(object sender, RoutedEventArgs e)
{
    var file = await Windows.ApplicationModel.Package.Current.InstalledLocation.GetFileAsync(DBNAME);
    byte[] fileBytes = null;
    using (var stream = await file.OpenReadAsync())
    {
        fileBytes = new byte[stream.Size];
        using (var reader = new DataReader(stream))
        {
            await reader.LoadAsync((uint)stream.Size);
            reader.ReadBytes(fileBytes);
        }
    }

    string boundary = Guid.NewGuid().ToString();
    HttpWebRequest httpWebRequest = (HttpWebRequest)WebRequest.Create("http://www.myserver.com/upload.php");
    httpWebRequest.ContentType = "multipart/form-data; boundary=" + boundary;
    httpWebRequest.Method = "POST";

    httpWebRequest.BeginGetRequestStream(GetRequestStreamCallback, new object[] { fileBytes, boundary });
}

private void GetRequestStreamCallback(IAsyncResult asynchronousResult, object state)
{
    object[] stateData = (object[])state;
    byte[] postData = (byte[])stateData[0];
    string boundary = (string)stateData[1];
    HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;
    Stream postStream = request.EndGetRequestStream(asynchronousResult);

    //寫入起始邊界
    byte[] boundaryBytes = System.Text.Encoding.UTF8.GetBytes("--" + boundary + "\r\n");
    postStream.Write(boundaryBytes, 0, boundaryBytes.Length);

    //寫入文件數(shù)據(jù)
    string filename = DBNAME;
    byte[] fileData = System.Text.Encoding.UTF8.GetBytes($"Content-Disposition: form-data; name=\"file\"; filename=\"{filename}\"\r\nContent-Type: application/octet-stream\r\n\r\n");
    postStream.Write(fileData, 0, fileData.Length);
    postStream.Write(postData, 0, postData.Length);

    //寫入結(jié)束邊界
    boundaryBytes = System.Text.Encoding.UTF8.GetBytes("\r\n--" + boundary + "--\r\n");
    postStream.Write(boundaryBytes, 0, boundaryBytes.Length);

    postStream.Close();
    request.BeginGetResponse(GetResponseCallback, request);
}

private void GetResponseCallback(IAsyncResult asynchronousResult)
{
    HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;
    using (HttpWebResponse response = (HttpWebResponse)request.EndGetResponse(asynchronousResult))
    using (Stream streamResponse = response.GetResponseStream())
    using (StreamReader streamRead = new StreamReader(streamResponse))
    {
        string responseString = streamRead.ReadToEnd();
        // 處理服務(wù)器響應(yīng)
    }
}

??

? ??? ??? Windows Phone 8 ?? ?? ??? ??? ?????. multipart/form-data ??? ??? ? ??? ???? ???? ?? ? ?? ?????? ??? ??? ???? ???. ?? ??? Content-Disposition ??? ??? ??????, ???? ??? ???? ???? ?? using ?? ???????.

? ??? Windows Phone 8?? HTTP POST Multipart/Form-Data? ???? ??? ??? ???? ????? ??? ??????? ?? ?????. ??? ??? PHP ??? ????? ?? ?? ??? ?????!