HttpGet HttpPost

        public static string HttpGet(string Url, string postDataStr)
        {
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url + (postDataStr == "" ? "" : "?") + postDataStr);
            request.Method = "GET";
            request.ContentType = "text/html;charset=UTF-8";

            HttpWebResponse response;
            try
            {
                response = (HttpWebResponse)request.GetResponse();
            }
            catch (WebException exc)
            {
                response = (HttpWebResponse)exc.Response;
            }
            Stream myResponseStream = response.GetResponseStream();
            StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
            string retString = myStreamReader.ReadToEnd();
            myStreamReader.Close();
            myResponseStream.Close();

            return retString;
        }

　　

　　

        /// <summary>
        /// 返回JSon数据
        /// </summary>
        /// <param name="parameter">需要传递的数据，没有则传递null</param>
        /// <param name="Url">要提交的URL</param>
        /// <returns>返回的数据</returns>
        public static string GetResponseData(string parameter, string Url, RequestMethod method)
        {
            bool isWrite=false;

            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);

            request.Method = method.ToString();

            if (!String.IsNullOrEmpty(parameter))
            {
                byte[] bytes = Encoding.UTF8.GetBytes(parameter);
                request.ContentLength = bytes.Length;
                request.ContentType = "text/plain";
                Stream reqstream = request.GetRequestStream();
                reqstream.Write(bytes, 0, bytes.Length);
            }

            request.ServicePoint.Expect100Continue = false;
            //声明一个HttpWebRequest请求
            request.Timeout = 10 * 1000;
            //设置连接超时时间
            request.Headers.Set("Pragma", "no-cache");
            HttpWebResponse response = null;
            try
            {
                response = (HttpWebResponse)request.GetResponse();
            }
            catch (WebException exc)
            {
                response = (HttpWebResponse)exc.Response;
                isWrite = true;
            }

            Stream streamReceive = response.GetResponseStream();
            Encoding encoding = Encoding.UTF8;

            StreamReader streamReader = new StreamReader(streamReceive, encoding);
            string strResult = streamReader.ReadToEnd();
            streamReceive.Dispose();
            streamReader.Dispose();

            if (isWrite)
            {
                WriteLog.Log("HttpWebRequest异常：" + strResult, "HttpWebRequest异常.txt");
                WriteLog.Log("JSONData：" + parameter, "HttpWebRequest异常.txt");
                WriteLog.Log("Url：" + Url, "HttpWebRequest异常.txt");
            }

            return strResult;
        }