コード例 #1
0
        /// <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
            {
                //wf.WriteLine(DateTime.Now.ToString("yyyyMMdd HHmmss") + " URL: " + url + " error: " + ex.Message);
                throw;
            }
            return(htmlString);
        }
コード例 #2
0
        /// <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
            {
                //wf.WriteLine(DateTime.Now.ToString("yyyyMMdd HHmmss") + " URL: " + url + " error: " + ex.Message);
                throw;
            }
            finally
            {
                if (response != null)
                {
                    response.Close();
                }
                if (stream != null)
                {
                    stream.Close();
                }
            }
            return(html);
        }