C# post請求

   #region 發送post請求
        public static string Post(string str)
        {

            string result = "";
            HttpWebRequest req = (HttpWebRequest)WebRequest.Create("http://localhost:8563/nfo/dd");
            req.Method = "POST";
            req.ContentType = "application/x-www-form-urlencoded";

            byte[] data = Encoding.UTF8.GetBytes(str);//把字符串轉換為字節

            req.ContentLength = data.Length; //請求長度

            using (Stream reqStream = req.GetRequestStream()) //獲取
            {
                reqStream.Write(data, 0, data.Length);//向當前流中寫入字節
                reqStream.Close(); //關閉當前流
            }

            HttpWebResponse resp = (HttpWebResponse)req.GetResponse(); //響應結果
            Stream stream = resp.GetResponseStream();
            //獲取響應內容
            using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
            {
                result = reader.ReadToEnd();
            }
            return result;
        }
        #endregion

 

        /// <summary>
        /// GET請求與獲取結果
        /// </summary>
        public static string HttpGet(string Url, string postDataStr)
        {
           // HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url + (postDataStr == "" ? "" : "?") + postDataStr);
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
            request.Method = "GET"; //設置請求方式
            request.ContentType = "text/html;charset=UTF-8"; //設置內容類型

            HttpWebResponse response = (HttpWebResponse)request.GetResponse(); //返回響應

            Stream myResponseStream = response.GetResponseStream(); //獲得響應流

            StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8);//以UTF8編碼方式讀取該流
            string retString = myStreamReader.ReadToEnd();//讀取所有

            myStreamReader.Close();//關閉流
            myResponseStream.Close();
            return retString;
        }