HttpWebRequest 怎么获取网页的 cookie 呀？

Question

HttpWebRequest 怎么获取网页的 cookie 呀？
网上很多例子
但是我得不到指定的cookie 的值呀

Answer 1

using System;
using System.Net;
using System.IO;
using System.Text;
using System.Web;
using System.Security.Cryptography.X509Certificates;namespace ping
{
    class SimpleHttpClient
    {
        public static byte[] StrToByteArray(string str)
        {
            System.Text.ASCIIEncoding encoding = new System.Text.ASCIIEncoding();
            return encoding.GetBytes(str);
        }        [STAThread]
        public void login()
        {
            //string gatewayUrl = "http://p8dev01web:7001/core/pswsapi/pswsapi.asp";
            string inputXmlQueryFilePath = "C:/Documents and Settings/krainbolt/My Documents/Visual Studio 2005/Projects/serverTestApp/serverTestApp/logon.txt";
            StreamWriter output = new StreamWriter(@"C:/Documents and Settings/krainbolt/My Documents/Visual Studio 2005/Projects/serverTestApp/serverTestApp\\Output.txt", false);
            StreamWriter soutput = new StreamWriter(@"C:/Documents and Settings/krainbolt/My Documents/Visual Studio 2005/Projects/serverTestApp/serverTestApp\\startOut.txt", false);
            string cookieHeader = null;
            try
            {
                                HttpWebRequest request = (HttpWebRequest)WebRequest.Create("http://myserver:80/core/");
                request.Method = "Post";
                CookieContainer cookieJar = new CookieContainer();
                request.CookieContainer = cookieJar;
                byte[] requestBytes = StrToByteArray(" ");
                request.ContentLength = requestBytes.Length;
                Stream requestStream = request.GetRequestStream();
                requestStream.Write(requestBytes, 0, requestBytes.Length);
                requestStream.Close();                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                Stream responseData = response.GetResponseStream();
                StreamReader reader = new StreamReader(responseData);
                string responseFromServer = reader.ReadToEnd();
                
                cookieHeader = response.Cookies.ToString();
                soutput.Write(cookieHeader);
                soutput.Write(responseFromServer);
                soutput.Write(response.Headers[4]);
                responseData.Close();
                soutput.Close();
                reader.Close();
                response.Close();                
                
                HttpWebRequest request1 = (HttpWebRequest)WebRequest.Create("http://myserver:80/login.asp");
                // read input XML query from file
                string inputXml;
                using (StreamReader inputQueryReader = new StreamReader(inputXmlQueryFilePath))
                {
                    inputXml = inputQueryReader.ReadToEnd();
                }
             
                byte[] request1Bytes = StrToByteArray(inputXml);
                request1.Method = "Post";
                //request1.CookieContainer.Add(response.Cookies);
                request1.ContentLength = request1Bytes.Length;
                Stream request1Stream = request1.GetRequestStream();
                //output.Write(request1.CookieContainer.ToString());
                request1Stream.Write(request1Bytes, 0, request1Bytes.Length);
                request1Stream.Close();                HttpWebResponse response1 = (HttpWebResponse)request1.GetResponse();
                Stream response1Data = response1.GetResponseStream();
                StreamReader reader1 = new StreamReader(response1Data);
                string response1FromServer = reader1.ReadToEnd();                
                output.Write(response1FromServer);
                response1.Close();
                reader1.Close();
                output.Close();                //
                
            }
            catch (Exception e)
            {
                output.Write("Exception: " + e);
                output.Close();
            }
            
        }    }
}

Answer 2

cookie 的值在哪儿呀？