关于C#post drw 在线等、

tanxinyu 2010-10-12 11:23:17

 public static string GetPage(string posturl, string postData ,string strCookie ,string strDomain)

        {

            Stream outstream = null;

            Stream instream = null;

            StreamReader sr = null;

            HttpWebResponse response = null;

            HttpWebRequest request = null;

            Encoding encoding = System.Text.Encoding.GetEncoding("utf-8");

            byte[] data = encoding.GetBytes(postData);

            // 准备请求...

            try

            {

                // 设置参数

                request = WebRequest.Create(posturl) as HttpWebRequest;

                CookieContainer cookieContainer = new CookieContainer();

                cookieContainer.SetCookies(new Uri(posturl), strCookie);

                request.CookieContainer = cookieContainer;

                request.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET";

                request.Referer = strDomain ;

                request.Accept = "*/*";

                request.AllowAutoRedirect = true;

                request.Method = "POST";

                request.ContentType = "application/x-www-form-urlencoded";

                request.ContentLength = data.Length;



                outstream = request.GetRequestStream();

                outstream.Write(data, 0, data.Length);

                outstream.Close();

                //发送请求并获取相应回应数据

                response = request.GetResponse() as HttpWebResponse;

                //直到request.GetResponse()程序才开始向目标网页发送Post请求

                instream = response.GetResponseStream();

                sr = new StreamReader(instream, encoding);

                //返回结果网页（html）代码

                string content = sr.ReadToEnd();

                string err = string.Empty;

                return content;

            }

            catch (Exception ex)

            {

                string err = ex.Message;

                return string.Empty;

            }

        }