以Get方式访问wcf方法

      private string Get(string serviceAddress)
        {
            try
            {
                //创建服务方法
                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(serviceAddress);
                //设置获取数据的方式
                request.Method = "GET";
                //设置获取数据的编码方式
                request.ContentType = "application/json;charset=UTF-8";
                //读取数据
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                Stream stream = response.GetResponseStream();
                StreamReader reader = new StreamReader(stream, Encoding.UTF8);
                string result = reader.ReadToEnd();
                //关闭文件流
                reader.Close();
                stream.Close();
                return result;
            }
            catch (Exception e)
            {
                throw e;
            }
        }