C # Several ways to get the specified Web page source code

 WebClient private string getwebclient (string url) {string strhtml = "";            WebClient mywebclient = new WebClient ();            Stream mystream = mywebclient.openread (URL);            StreamReader sr = new StreamReader (MyStream, System.Text.Encoding.GetEncoding ("Utf-8")); strHTML = Sr.            ReadToEnd ();            Mystream.close ();        return strhtml;            }//WebRequest private string getwebrequest (string url) {uri uri = new uri (URL);            WebRequest myreq = WebRequest.Create (URI);            WebResponse result = Myreq.getresponse (); Stream Recevicestream = result.            GetResponseStream ();            StreamReader Readerofstream = new StreamReader (recevicestream,system.text.encoding.getencoding ("gb2312"));            String strhtml = Readerofstream.readtoend ();            Readerofstream.close ();            Recevicestream.close (); Result.            Close ();        return strhtml; }        HttpWebRequest private string gethttpwebrequest (string url) {try {                Uri uri = new uri (URL);                HttpWebRequest Myreq = (HttpWebRequest) webrequest.create (URI); Myreq.useragent = "user-agent:mozilla/4.0 (compatible; MSIE 6.0;                Windows NT 5.2;. NET CLR 1.0.3705 ";                myreq.accept = "*/*";                Myreq.keepalive = true;                MYREQ.HEADERS.ADD ("Accept-language", "zh-cn,en-us;q=0.5");                HttpWebResponse result = (HttpWebResponse) myreq.getresponse (); Stream Recevicestream = result.                GetResponseStream ();                StreamReader Readerofstream = new StreamReader (Recevicestream, System.Text.Encoding.GetEncoding ("gb2312"));                String strhtml = Readerofstream.readtoend ();                Readerofstream.close ();                Recevicestream.close (); Result.                                Close ();            return strhtml;      }      catch (Exception ex) {throw new Exception ("Collect specified URL exception," + ex.)            Message); }        }

Get the Web source, if the gzip compression enabled page gets garbled, this method can be used to solve the garbled situation of gzip compression private string Gethtmlcode (string url) {Stri           Ng Htmlcode;            HttpWebRequest webRequest = (System.Net.HttpWebRequest) System.Net.WebRequest.Create (URL);            Webrequest.timeout = 30000;            Webrequest.method = "GET";            Webrequest.useragent = "mozilla/4.0";            WEBREQUEST.HEADERS.ADD ("accept-encoding", "gzip, deflate");            HttpWebResponse WebResponse = (System.Net.HttpWebResponse) webrequest.getresponse (); if (webResponse.ContentEncoding.ToLower () = = "gzip")//If gzip is used, first unzip the {using (System.IO.Stream St                        Reamreceive = WebResponse.GetResponseStream ()) {using (var ZipStream =                    New System.IO.Compression.GZipStream (Streamreceive, System.IO.Compression.CompressionMode.Decompress)) {using (StreamReader sr = new System.IO.StreamReader (ZipStream, ENcoding. Default) {Htmlcode = Sr.                        ReadToEnd (); }}}} else {using (System.IO.Stream s  Treamreceive = WebResponse.GetResponseStream ()) {using (System.IO.StreamReader sr = new System.IO.StreamReader (streamreceive, Encoding.default)) {Htmlcode = Sr.                    ReadToEnd ();        }}} return htmlcode; }

　　

C # Several ways to get the specified Web page source code