C# HttpPost HttpGet 请求接口（Get为参数链 Post参数在请求体Body）

   public static string HttpGet(string url, int Timeout)
   {
    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
    request.Method = "GET";
    request.ContentType = "text/html;charset=UTF-8";
    request.UserAgent = null;
    request.Timeout = Timeout;

     HttpWebResponse response = (HttpWebResponse)request.GetResponse();
     Stream myResponseStream = response.GetResponseStream();
     StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
     string retString = myStreamReader.ReadToEnd();
     myStreamReader.Close();
     myResponseStream.Close();

     return retString;
     }


       /// 

        /// Post方式请求接口
        /// 
        /// 请求的方法名
        /// 请求发送的数据
        /// 
        private string HttpPost(string action, Dictionary dic)
        {
            //此处换为自己的请求url
            string url = this.GetHstHttpRequestUrl(action);
            string result = string.Empty;
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
            req.Method = "POST";
            req.ContentType = "application/x-www-form-urlencoded";

            #region 添加Post 参数
            StringBuilder builder = new StringBuilder();
            int i = 0;
            foreach (var item in dic)
            {
                if (i > 0)
                    builder.Append("&");
                builder.AppendFormat("{0}={1}", item.Key, item.Value);
                i++;
            }
            byte[] data = Encoding.UTF8.GetBytes(builder.ToString());
            req.ContentLength = data.Length;
            using (Stream reqStream = req.GetRequestStream())
            {
                reqStream.Write(data, 0, data.Length);
                reqStream.Close();
            }
            #endregion

            HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
            Stream stream = resp.GetResponseStream();
            //获取响应内容
            using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
            {
                result = reader.ReadToEnd();
            }
            return result;
        }