//方法一:using System.Text;using System.Net;private string getHtml(string url){WebClient myWebClient = new WebClient();byte[] myDataBuffer = myWebClient.DownloadData (url);return Encoding.Default.GetString(myDataBuffer);}using System.Text;using System.Net;private string getHtml(string url){WebClient myWebClient = new WebClient();byte[] myDataBuffer = myWebClient.DownloadData (url);return Encoding.Default.GetString(myDataBuffer);}//方法二:public string getHttp(string HttpUrl,string RefererUrl){string html = "";try{MSXML2.XMLHTTP Http = new MSXML2.XMLHTTPClass();xmlhttp.open("GET", Url, false, null, null);Http.open("GET",HttpUrl,false,null,null);Http.setRequestHeader("Referer",RefererUrl);//Http.setRequestHeader("Referer",RefererUrl);Http.setRequestHeader("Content-Type", "text/html;charset=gb2312");Http.send("");html = Encoding.Default.GetString((byte[])Http.responseBody);Http = null;}catch{}return html;} public bool getweb(string strURL,out string buf) { buf=""; try { //Uri url=new Uri(strURL,false); HttpWebRequest request; request = (HttpWebRequest)WebRequest.Create(strURL); request.Method="POST"; //Post请求方式 request.ContentType="text/html;charset=gb2312"; //内容类型 string paraUrlCoded = System.Web.HttpUtility.UrlEncode(""); //参数经过URL编码 byte[] payload; payload = System.Text.Encoding.GetEncoding("GB2312").GetBytes(paraUrlCoded); //将URL编码后的字符串转化为字节 request.ContentLength = payload.Length; //设置请求的ContentLength Stream writer = request.GetRequestStream(); //获得请求流 writer.Write(payload,0,payload.Length); //将请求参数写入流 writer.Close(); //关闭请求流 HttpWebResponse response; response = (HttpWebResponse)request.GetResponse(); //获得响应流 Stream s; s = response.GetResponseStream(); StreamReader objReader = new StreamReader(s,System.Text.Encoding.GetEncoding("GB2312")); string HTML = ""; string sLine =""; int i = 0; while (sLine!=null) { i++; sLine = objReader.ReadLine(); if (sLine!=null) HTML += sLine; } //HTML = HTML.Replace("<","<"); //HTML = HTML.Replace(">",">"); buf=HTML; return true; } catch (Exception x) { buf=x.Message.ToString(); return false; } } 带Cookie：CookieContainer cc = new CookieContainer();public bool getweb(string strURL,out string buf) { buf=""; try { HttpWebRequest request; request = (HttpWebRequest)WebRequest.Create(strURL); request.Method="POST"; //Post请求方式 request.ContentType="text/html;charset=gb2312"; //内容类型 string paraUrlCoded = System.Web.HttpUtility.UrlEncode(""); //参数经过URL编码 byte[] payload; payload = System.Text.Encoding.GetEncoding("GB2312").GetBytes(paraUrlCoded); //将URL编码后的字符串转化为字节 request.ContentLength = payload.Length; //设置请求的ContentLength Stream writer = request.GetRequestStream(); //获得请求流 writer.Write(payload,0,payload.Length); //将请求参数写入流 writer.Close(); //关闭请求流 HttpWebResponse response; response = (HttpWebResponse)request.GetResponse(); //获得响应流 Stream s; s = response.GetResponseStream(); StreamReader objReader = new StreamReader(s,System.Text.Encoding.GetEncoding("GB2312")); string HTML = ""; string sLine =""; int i = 0; while (sLine!=null) { i++; sLine = objReader.ReadLine(); if (sLine!=null) HTML += sLine; } buf=HTML; return true; } catch (Exception x) { buf=x.Message.ToString(); return false; } } public bool getweb(string strURL,out string buf,string postData) { buf=""; try { ASCIIEncoding encoding = new ASCIIEncoding(); byte[] data = encoding.GetBytes(postData); HttpWebRequest request = (HttpWebRequest)WebRequest.Create(strURL); request.Method = "POST"; request.ContentType = "application/x-www-form-urlencoded"; request.ContentLength = data.Length; Stream newStream = request.GetRequestStream(); newStream.Write(data, 0, data.Length); newStream.Close(); request.CookieContainer = cc; HttpWebResponse response = (HttpWebResponse)request.GetResponse(); cc.Add(response.Cookies); Stream stream = response.GetResponseStream(); string sHtml = new StreamReader(stream, System.Text.Encoding.Default).ReadToEnd(); buf=sHtml; return true; } catch (Exception x) { buf=x.Message.ToString(); return false; } }private string getWebresourceFile1(string url) { WebClient myWebClient = new WebClient(); byte[] myDataBuffer = myWebClient.DownloadData(url);string SourceCode = Encoding.Default.GetString(myDataBuffer);saveSourceCode(SourceCode); return SourceCode; }//方法2private string getWebresourceFile2(string url) {HttpWebRequest request=(HttpWebRequest)WebRequest.Create(url); HttpWebResponse response=(HttpWebResponse)request.GetResponse(); request.Method = "GET "; Stream receiveStream=response.GetResponseStream();StreamReader readStream=new StreamReader(receiveStream,Encoding.Default);string SourceCode=readStream.ReadToEnd(); saveSourceCode(SourceCode);response.Close(); readStream.Close();return SourceCode; }//方法3private string getWebresourceFile3(string url) {WebClient wc = new WebClient();wc.Credentials = CredentialCache.DefaultCredentials;Byte[] pageData = wc.DownloadData(url);string SourceCode = Encoding.Default.GetString(pageData);saveSourceCode(SourceCode);wc.Dispose(); return SourceCode; }//方法4private string getWebresourceFile4(string url) {WebClient wc = new WebClient();wc.Credentials = CredentialCache.DefaultCredentials;Stream resStream = wc.OpenRead(url);StreamReader sr = new StreamReader(resStream,System.Text.Encoding.Default);string SourceCode = sr.ReadToEnd();saveSourceCode(SourceCode);resStream.Close();wc.Dispose(); return SourceCode; }//方法5private string getWebresourceFile5(string url) {WebRequest request = WebRequest.Create(url);WebResponse response = request.GetResponse();Stream resStream = response.GetResponseStream(); StreamReader sr = new StreamReader(resStream, System.Text.Encoding.Default);string SourceCode = sr.ReadToEnd();saveSourceCode(SourceCode);resStream.Close(); sr.Close();return SourceCode; }
