c# 纯代码调用 webservice

public static class RequestHelper
        {
            public class RequestResult
            {
                public RequestResult(bool requestResult, string resultData)
                {
                    this.Result = requestResult;
                    this.ResultData = resultData;
                }

                public bool Result { get; private set; }
                public string ResultData { get; private set; }
            }

            public static RequestResult Request(string url, string method, string data, Dictionary<string, string> header, string contentType = "application/json;charset=utf-8")
            {
                HttpWebRequest request = null;
                if (url.ToLower().StartsWith("https"))
                {
                    ServicePointManager.ServerCertificateValidationCallback =
                        new System.Net.Security.RemoteCertificateValidationCallback(delegate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors)
                        {
                            return true;
                        });
                    request = WebRequest.Create(url) as HttpWebRequest;
                    request.ProtocolVersion = HttpVersion.Version10;
                }
                else
                    request = WebRequest.Create(url) as HttpWebRequest;

                request.Method = method;
                request.AllowAutoRedirect = true;
                request.Proxy = new WebProxy { UseDefaultCredentials = true };
                request.ContentType = contentType;
                foreach (var h in header)
                    request.Headers.Add(h.Key, h.Value);

                try
                {
                    if (data != null && method != "GET")
                    {
                        using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))
                        {
                            writer.Write(data);
                        }
                    }

                    var response = request.GetResponse() as HttpWebResponse;
                    var responseStream = response.GetResponseStream();
                    var reader = new System.IO.StreamReader(responseStream, Encoding.UTF8);
                    string result = reader.ReadToEnd();
                    return new RequestResult(true, result);
                }
                catch (Exception ex)
                {
                    return new RequestResult(false, ex.Message);
                }
            }
        }

var serviceUrl = @"http://192.168.0.xxx:xxxx/webService/xxxx.asmx";
            var header = new Dictionary<string, string>();
            header.Add("SOAPAction", "http://tempuri.org/GetAuthorizationCode");
            var body =
                "<?xml version="1.0" encoding="utf-8"?>"
                + "<soap:Envelope xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">"
                + "  <soap:Body>"
                + "      <GetAuthorizationCode xmlns="http://tempuri.org/">"
                + "          <loginName>180001</loginName>"
                + "          <token>6B17644986B630E9C284C07F4D412C89</token>"
                + "      </GetAuthorizationCode>"
                + "  </soap:Body>"
                + "</soap:Envelope>";

            var result = RequestHelper.Request(serviceUrl, "POST", body, header, "text/xml;charset=utf-8");
            if (!result.Result)
                return;

            var doc = new XmlDocument();
            var namespaceManager = new XmlNamespaceManager(doc.NameTable);
            namespaceManager.AddNamespace("xsi", "http://www.w3.org/2001/XMLSchema-instance");
            namespaceManager.AddNamespace("xsd", "http://www.w3.org/2001/XMLSchema");
            namespaceManager.AddNamespace("soap", "http://schemas.xmlsoap.org/soap/envelope/");
            namespaceManager.AddNamespace("mynamespace", "http://tempuri.org/");
            doc.LoadXml(result.ResultData);
            var resultNode = doc.SelectSingleNode(@"soap:Envelope/soap:Body/mynamespace:GetAuthorizationCodeResponse/mynamespace:GetAuthorizationCodeResult", namespaceManager);
            var resultFlag = bool.Parse(resultNode.InnerText);

其中调用和解析的xml样式，请参照接口中格式中的内容。