C# Get 带body

try

{

    //System.GC.Collect();

    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(URL);

    request.Proxy = null;

    request.KeepAlive = false;

    request.Method = "GET";

    request.ContentType = "application/json; charset=UTF-8";

    request.AutomaticDecompression = DecompressionMethods.GZip;

    string Data = "{\"CorpId\":\"300014\"}";

    //if (Data != "")

    //{

        var type = request.GetType();

        var currentMethod = type.GetProperty("CurrentMethod", BindingFlags.NonPublic | BindingFlags.Instance).GetValue(request);

        var methodType = currentMethod.GetType();

        methodType.GetField("ContentBodyNotAllowed", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(currentMethod, false);

 

        using (var streamWriter = new StreamWriter(request.GetRequestStream()))

        {

            streamWriter.Write(Data);

        }

    //}

 

    HttpWebResponse response = (HttpWebResponse)request.GetResponse();

    Stream myResponseStream = response.GetResponseStream();

    StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8);

    string retString = myStreamReader.ReadToEnd();

 

    myStreamReader.Close();

    myResponseStream.Close();

 

    if (response != null)

    {

        response.Close();

    }

    if (request != null)

    {

        request.Abort();

    }

 

    return retString;

}

catch (Exception ex)

{

    return ("ERROR:" + ex.Message + ":::" + ex.InnerException.Message);

}