/// <summary> /// POST请求数据 /// </summary> /// <param name="url">url</param> /// <param name="parasString">参数</param> /// <param name="inCookie">cookie</param> /// <returns>返回字符串</returns> public string Post(string url, string parasString, string inCookie = null) { string htmlString = string.Empty; string outCookie = string.Empty; try { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url); if (!string.IsNullOrEmpty(inCookie)) { request.Headers.Add(HttpRequestHeader.Cookie, inCookie); } request.Accept = "*/*"; request.Method = "POST"; request.KeepAlive = false; request.ContentType = "application/x-www-form-urlencoded"; request.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1)"; request.Timeout = 10000; request.ReadWriteTimeout = 10000; request.ServicePoint.ConnectionLimit = int.MaxValue; request.ServicePoint.Expect100Continue = false; request.ServicePoint.UseNagleAlgorithm = false; request.AllowWriteStreamBuffering = false; request.Headers.Add(HttpRequestHeader.AcceptEncoding, "gzip,deflate"); byte[] bs = Encoding.UTF8.GetBytes(parasString); request.ContentLength = bs.Length; using (Stream reqStream = request.GetRequestStream()) { reqStream.Write(bs, 0, bs.Length); } using (HttpWebResponse response = (HttpWebResponse)request.GetResponse()) { HttpStatusCode status = response.StatusCode; if (status == HttpStatusCode.OK || status == HttpStatusCode.Moved) { Stream stream = response.GetResponseStream(); string outCookieTemp = response.Headers["Set-Cookie"]; if (!string.IsNullOrEmpty(outCookieTemp)) { outCookie = outCookieTemp; } string contentEncode = response.ContentEncoding.ToLower(); byte[] buffer = getBuffer(contentEncode, stream); htmlString = EncodeHelper.GetEncoding(buffer).GetString(buffer); } } } catch (Exception ex) { wf.WriteLine(DateTime.Now.ToString("yyyyMMdd HHmmss") + " URL: " + url + " error: " + ex.Message); } return(htmlString); }
/// <summary> /// GET 请求数据 /// </summary> /// <param name="url">URL</param> /// <param name="encode">编码方式</param> /// <param name="inCookie">cookie</param> /// <returns>返回字符串</returns> public string Get(string url, string encode = null, string inCookie = null) { string html = string.Empty; Stream stream = null; HttpWebRequest request = null; HttpWebResponse response = null; try { request = (HttpWebRequest)HttpWebRequest.Create(url); request.Accept = "*/*"; request.Method = "GET"; request.KeepAlive = false; request.UserAgent = "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1)"; //request.Timeout = 10000; //request.ReadWriteTimeout = 10000; request.ServicePoint.ConnectionLimit = int.MaxValue; request.ServicePoint.Expect100Continue = false; request.ServicePoint.UseNagleAlgorithm = false; request.AllowWriteStreamBuffering = false; request.Headers.Add(HttpRequestHeader.AcceptEncoding, "gzip,deflate"); if (!string.IsNullOrEmpty(inCookie)) { request.Headers.Add(HttpRequestHeader.Cookie, inCookie); } response = (HttpWebResponse)request.GetResponse(); //if (!request.HaveResponse) //{ // response.Close(); // request.Abort(); // return html; //} HttpStatusCode status = response.StatusCode; if (status == HttpStatusCode.OK || status == HttpStatusCode.Moved) { stream = response.GetResponseStream(); string contentEncode = response.ContentEncoding.ToLower(); byte[] buffer = getBuffer(contentEncode, stream); if (string.IsNullOrEmpty(encode)) { Encoding encoding = EncodeHelper.GetEncoding(buffer); html = encoding.GetString(buffer); } else { html = System.Text.Encoding.GetEncoding(encode).GetString(buffer); } } } catch (Exception ex) { wf.WriteLine(DateTime.Now.ToString("yyyyMMdd HHmmss") + " URL: " + url + " error: " + ex.Message); } finally { if (response != null) { response.Close(); } if (stream != null) { stream.Close(); } } return(html); }