C#通過HTTP傳輸數據

来源：互联网发布：petshop7.0源码下载编辑：程序博客网时间：2024/06/05 00:22

/// <summary>
        /// 通过HTTP方式发送数据
        /// </summary>
        /// <param name="url">地址</param>
        /// <param name="data">数据</param>
        /// <returns></returns>
        public DataSet PostXmlToUrl(string url, string data)
        {
            DataSet ds = new DataSet();
            try
            {
                HttpWebRequest hwr = (HttpWebRequest)HttpWebRequest.Create(url);
                hwr.Method = "POST";
                return XmlToUrl(data, ref ds, hwr);
            }
            catch (Exception ex)
            {
                Log.Error(ex);
            }
            return null;
        }
        /// <summary>
        /// 通过HTTP方式发送数据
        /// </summary>
        /// <param name="url">地址</param>
        /// <param name="data">数据</param>
        /// <returns></returns>
        public DataSet GetXmlToUrl(string url, string data)
        {
            DataSet ds = new DataSet();
            try
            {
                HttpWebRequest hwr = (HttpWebRequest)HttpWebRequest.Create(url);
                hwr.Method = "Get";
                hwr.ContentType = "text/html;charset=utf-8";
                HttpWebResponse response = (HttpWebResponse)hwr.GetResponse();
                Stream stream = response.GetResponseStream();
                StreamReader sr = new StreamReader(stream, Encoding.GetEncoding("UTF-8"));
                string ret = sr.ReadToEnd();
                //Log.Debug(ret);
                sr.Close();
                stream.Close();

                StringReader sRead = new StringReader(ret);
                XmlTextReader xmlRead = new XmlTextReader(sRead);
                ds.ReadXml(xmlRead);
                sRead.Close();
                xmlRead.Close();
            }
            catch (Exception ex)
            {
                Log.Error(ex);
                Log.Error(data);
                ds = null;
            }
            return ds;
        }

        private static DataSet XmlToUrl(string data, ref DataSet ds, HttpWebRequest hwr)
        {
            try
            {
                Stream stream = hwr.GetRequestStream();

                StreamWriter sw = new StreamWriter(stream, System.Text.Encoding.UTF8);
                if (data != "")
                {
                    sw.Write(data);
                    sw.Close();
                    Log.Info("请求数据:" + data);
                }
                stream = hwr.GetResponse().GetResponseStream();

                StreamReader sr = new StreamReader(stream, System.Text.Encoding.UTF8);
                string ret = sr.ReadToEnd();
                sr.Close();
                sw.Close();
                //if (ret.IndexOf("<?") > 0)
                //{
                //ret = ret.Substring(ret.IndexOf(">") + 1);
                //}
                Log.Info("返回数据:" + ret);
                StringReader sRead = new StringReader(ret);
                XmlTextReader xmlRead = new XmlTextReader(sRead);
                ds.ReadXml(xmlRead);
                sRead.Close();
                xmlRead.Close();
            }
            catch (Exception ex)
            {
                Log.Error(ex);
                Log.Error(data);
                ds = null;
            }
            return ds;
        }

傳入的數據為XML格式,由服務器返回的也是XML格式,把XML格式存入DATASET裡面!