C#-方法-HttpWebRequest.Post

        public static string Post(string PostUrl, string Parameters)
        {
            string content = string.Empty;
            try
            {
                byte[] bytesRequestData = Encoding.UTF8.GetBytes(Parameters);
                HttpWebRequest myReq = (HttpWebRequest)HttpWebRequest.Create(PostUrl);
                myReq.Method = "post";
                myReq.ContentType = "applicatin/x-www-for-urlencoded";
                myReq.ContentLength = bytesRequestData.Length;
                Stream requestStream = myReq.GetRequestStream();
                requestStream.Write(bytesRequestData, 0, bytesRequestData.Length);
                requestStream.Close();
                HttpWebResponse HttpWResp = (HttpWebResponse)myReq.GetResponse();
                Stream myStream = HttpWResp.GetResponseStream();
                StreamReader reader = new StreamReader(myStream,Encoding.UTF8);
                content = reader.ReadToEnd();
                reader.Close();
                HttpWResp.Close();
            }
            catch (Exception ex)
            {
                content = ex.ToString();
            }
            return content;
        }