C# 經過接口 post 請求

時間 2019-11-13

標籤 c# 經過接口 post 請求欄目 C# 简体版

原文原文鏈接

        /// <summary>
        /// 提交數據請求  方法一
        /// </summary>
        /// <param name="POSTURL">請求提交的地址 如：http://xxx.xxx.xxx/interface/TestPostRequest</param>
        /// <param name="PostData">提交的數據(字符串)</param>
        /// <returns></returns>
        public static string RequestData(string POSTURL, string PostData)
        {
            //發送請求的數據
            WebRequest myHttpWebRequest = WebRequest.Create(POSTURL);
            myHttpWebRequest.Method = "POST";
            UTF8Encoding encoding = new UTF8Encoding();
            byte[] byte1 = encoding.GetBytes(PostData);
            myHttpWebRequest.ContentType = "application/x-www-form-urlencoded";
            myHttpWebRequest.ContentLength = byte1.Length;
            Stream newStream = myHttpWebRequest.GetRequestStream();
            newStream.Write(byte1, 0, byte1.Length);
            newStream.Close();

            //發送成功後接收返回的XML信息
            HttpWebResponse response = (HttpWebResponse)myHttpWebRequest.GetResponse();
            string lcHtml = string.Empty;
            Encoding enc = Encoding.GetEncoding("UTF-8");
            Stream stream = response.GetResponseStream();
            StreamReader streamReader = new StreamReader(stream, enc);
            lcHtml = streamReader.ReadToEnd();
            return lcHtml;
        }

        /// <summary>
        /// 經過接口提交請求的公用方法   方法二
        /// </summary>
        /// <param name="url">請求的接口地址  如：http://xxx.xxx.xxx/interface/TestPostRequest</param>
        /// <param name="senddata">要發送的報文</param>
        /// <returns></returns>
        public string GetPostStr(string url, string senddata)
        {
            System.Net.WebClient webc = new System.Net.WebClient();
            var apiurl = new Uri(url);
            string sendstr = senddata;
            webc.Headers.Add("Content-Type", "text/xml");
            //webc.Headers["Content-Type"] = "application/stream;charset=utf-8";//OK  
            var arr = webc.UploadData(apiurl, Encoding.UTF8.GetBytes(sendstr)); 
            return Encoding.UTF8.GetString(arr) ;
        }

        /// <summary>
        /// 服務端接收請求、處理並返回響應的數據
        /// </summary>
        public void TestPostRequest()
        {
            StreamReader reader = new StreamReader(System.Web.HttpContext.Current.Request.InputStream);
            String xmlData = reader.ReadToEnd();

            //string strRequestData = "接收到的請求數據是：" + xmlData;
            //string strReponseData = "要返回的數據是：" + "<root><attReaderName>1</attReaderName></root>";
            string strReponseData= "";
            strReponseData+= "<root>" +
                       "<head>" +
                       "<errorCode>0</errorCode>" +
                       "<result>success</result>" +
                       "</head>" +
                       "</root>";

            HttpContext.Current.Response.Write(strReponseData);
        }

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