C# 通过接口 post 请求

最新推荐文章于 2023-07-12 09:22:24 发布

转载最新推荐文章于 2023-07-12 09:22:24 发布 · 1.9k 阅读

        /// <summary>
        /// 提交数据请求  方法一
        /// </summary>
        /// <param name="POSTURL">请求提交的地址 如：http://xxx.xxx.xxx/interface/TestPostRequest</param>
        /// <param name="PostData">提交的数据(字符串)</param>
        /// <returns></returns>
        public static string RequestData(string POSTURL, string PostData)
        {
            //发送请求的数据
            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();

            //发送成功后接收返回的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>
        /// 通过接口提交请求的公用方法   方法二
        /// </summary>
        /// <param name="url">请求的接口地址  如：http://xxx.xxx.xxx/interface/TestPostRequest</param>
        /// <param name="senddata">要发送的报文</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>
        /// 服务端接收请求、处理并返回响应的数据
        /// </summary>
        public void TestPostRequest()
        {
            StreamReader reader = new StreamReader(System.Web.HttpContext.Current.Request.InputStream);
            String xmlData = reader.ReadToEnd();

            //string strRequestData = "接收到的请求数据是：" + xmlData;
            //string strReponseData = "要返回的数据是：" + "<root><attReaderName>1</attReaderName></root>";
            string strReponseData= "";
            strReponseData+= "<root>" +
                       "<head>" +
                       "<errorCode>0</errorCode>" +
                       "<result>success</result>" +
                       "</head>" +
                       "</root>";

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