三种客户端访问wcf服务端的方法 C#

原文 http://blog.csdn.net/zlj002/article/details/7914556

    string jsonstr = String.Empty;
               string url = "http://localhost:7041/Service1/Hello";
               #region WebClient 访问Get
               WebClient webclient = new WebClient();
               Uri uri = new Uri(url, UriKind.Absolute);
               if (!webclient.IsBusy)
               {
                   webclient.Encoding = System.Text.Encoding.UTF8;
                   jsonstr = webclient.DownloadString(url);
                   dynamic json = JsonHelper.Deserialize(jsonstr);
                   if (json.Length > 0)
                   {
                       this.Label1.Text = json[0]["StringValue"] + ">>>" + json[0]["Id"] + "WebClientGet";
                   }  

               }
               #endregion
               #region WebClient 访问Post
               url = "http://localhost:7041/Service1/GetList";
               IDictionary<string, object> data = new Dictionary<string, object>
            {
                {"stringValue", "汉字汉字"}
            };
               byte[] postData = Encoding.UTF8.GetBytes(JsonHelper.Serialize(data));
               WebClient clienttt = new WebClient();
               clienttt.Headers.Add("Content-Type", "application/json");
               clienttt.Headers.Add("ContentLength", postData.Length.ToString());
               byte[] responseData = clienttt.UploadData(url, "POST", postData);
               string rr = Encoding.UTF8.GetString(responseData);
               dynamic jsontt = JsonHelper.Deserialize(rr);
               if (jsontt["GetListResult"].Length > 0)
               {
                   this.Label1.Text = jsontt["GetListResult"][0]["StringValue"] + ">>>" + jsontt["GetListResult"][0]["Id"] + "WebClientGetPost";
               }
               #endregion  

               #region WebRequest Get 访问
               url = "http://localhost:7041/Service1/Hello";
               HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
               HttpWebResponse response = request.GetResponse() as HttpWebResponse;
               string code = response.ContentType;
               code = code.Split('=')[1];
               using (Stream stream = response.GetResponseStream())
               {
                   StreamReader sr = new StreamReader(stream, Encoding.GetEncoding
                       (code));
                   string retemp = sr.ReadToEnd();
                   dynamic jsonretemp = JsonHelper.Deserialize(retemp);
                   if (jsonretemp.Length > 0)
                   {
                       this.Label1.Text = jsonretemp[0]["StringValue"] + ">>>" + jsonretemp[0]["Id"] + "WebRequest Get";
                   }  

               }
               response.Close();
               #endregion
               #region WebRequest Post 访问
               url = "http://localhost:7041/Service1/GetList";
               WebRequest requestPost = WebRequest.Create(url);
               requestPost.Method = "POST";
               byte[] postDatarequestPost = Encoding.UTF8.GetBytes(JsonHelper.Serialize(data));
               requestPost.ContentType = "application/json";
               requestPost.ContentLength = postDatarequestPost.Length;
               Stream dataStream = requestPost.GetRequestStream();
               dataStream.Write(postDatarequestPost, 0, postDatarequestPost.Length);
               dataStream.Close();
               WebResponse responsePost = requestPost.GetResponse();
               dataStream = responsePost.GetResponseStream();
               StreamReader readerPost = new StreamReader(dataStream, Encoding.UTF8);
               string ResponseFromServer = readerPost.ReadToEnd();
               dynamic jsonttResponseFromServer = JsonHelper.Deserialize(ResponseFromServer);
               if (jsonttResponseFromServer["GetListResult"].Length > 0)
               {
                   this.Label1.Text = jsonttResponseFromServer["GetListResult"][0]["StringValue"] + ">>>" + jsonttResponseFromServer["GetListResult"][0]["Id"] + "WebRequestPost";
               }
               readerPost.Close();
               dataStream.Close();
               responsePost.Close();
               #endregion  

               #region HttpClient Get访问
               url = "http://localhost:7041/Service1/Hello";
               using (HttpClient client = new HttpClient())
               {
                   using (HttpResponseMessage message = client.Get(url))
                   {
                       message.EnsureStatusIsSuccessful();
                       jsonstr = message.Content.ReadAsString();
                       dynamic json = JsonHelper.Deserialize(jsonstr);  

                       if (json.Length > 0)
                       {
                           this.Label1.Text = json[0]["StringValue"] + ">>>" + json[0]["Id"] + ">>>>HttpClientGet";
                       }
                   }
               }
               #endregion
               #region HttpClient Post 访问
               url = "http://localhost:7041/Service1/GetList";
               HttpClient clientPost = new HttpClient();
               clientPost.DefaultHeaders.Add("ContentType", "application/json");
               clientPost.DefaultHeaders.Add("Accept", "application/json");  

               HttpContent content = HttpContent.Create(JsonHelper.Serialize(data), Encoding.UTF8, "application/json");
               HttpResponseMessage responseMessage = clientPost.Post(url, content);
               if (responseMessage.StatusCode != HttpStatusCode.OK && responseMessage.StatusCode != HttpStatusCode.Accepted)
               {
                   //出错
               }
               responseMessage.EnsureStatusIsSuccessful();
               string result = responseMessage.Content.ReadAsString();
               dynamic jsonpost = JsonHelper.Deserialize(result);  

               if (jsonpost["GetListResult"].Length > 0)
               {
                   this.Label1.Text = jsonpost["GetListResult"][0]["StringValue"] + ">>>" + jsonpost["GetListResult"][0]["Id"] + ">>>>HttpClientPost";
               }
               #endregion  

服务端代码要注意配置属性，比如

[csharp] view plaincopy

    [WebInvoke(UriTemplate = "GetList", Method = "POST", RequestFormat = WebMessageFormat.Json, ResponseFormat = WebMessageFormat.Json,BodyStyle =