C#解析API

public static string HttpGet(stringurl)
        {
            //ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
            Encoding encoding =Encoding.UTF8;
            HttpWebRequest request =(HttpWebRequest)WebRequest.Create(url);
            request.Method = "GET";
            request.Accept = "text/html, application/xhtml+xml, */*";
            request.ContentType = "application/json";

            HttpWebResponse response =(HttpWebResponse)request.GetResponse();
            using (StreamReader reader = newStreamReader(response.GetResponseStream(), Encoding.UTF8))
            {
                returnreader.ReadToEnd();
            }
        }