C#如何使用HttpWebRequest、HttpWebResponse類比瀏覽器抓取網頁內容

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public string GetHtml(string url, Encoding ed)        {            string Html = string.Empty;//初始化新的webRequst            HttpWebRequest Request = (HttpWebRequest)WebRequest.Create(url);            Request.KeepAlive = true;            Request.ProtocolVersion = HttpVersion.Version11;            Request.Method = "GET";            Request.Accept = "*/* ";            Request.UserAgent = "Mozilla/5.0 (Windows NT 6.1) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.56 Safari/536.5";            Request.Referer = url;            HttpWebResponse htmlResponse = (HttpWebResponse)Request.GetResponse();            //從Internet資源返回資料流            Stream htmlStream = htmlResponse.GetResponseStream();            //讀取資料流            StreamReader weatherStreamReader = new StreamReader(htmlStream, ed);            //讀取資料            Html = weatherStreamReader.ReadToEnd();            weatherStreamReader.Close();            htmlStream.Close();            htmlResponse.Close();            //針對不同的網站查看html源檔案            return Html;        }        public string GetHtml(string url)        {            return GetHtml(url, Encoding.UTF8);        }

 

C#如何使用HttpWebRequest、HttpWebResponse類比瀏覽器抓取網頁內容