搜狐测试代码

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Net;
using System.IO;

namespace weibo163APP
{
    class Program
    {
        static void Main(string[] args)
        {
            A();
            Console.Read();
        }

        public static void A()
        {
            HttpWebRequest request = null;
            HttpWebResponse response = null;
            string gethost = string.Empty;
            CookieContainer cc = new CookieContainer();
            string Cookiesstr = string.Empty;
            try
            {

                //第一次POST请求
                string postdata = @"username=XXXXXXXXXX&password=XXXXXXXX&url=http%3A%2F%2Ft.163.com%2Ftag%2F%25E6%25B5%25B7%25E5%25B0%2594&product=t&type=1";//模拟请求数据
                string LoginUrl = "https://reg.163.com/logins.jsp";
                request = (HttpWebRequest)WebRequest.Create(LoginUrl);//实例化web访问类
                request.Method = "POST";//数据提交方式为POST
                //模拟头
                request.ContentType = "application/x-www-form-urlencoded";
                byte[] postdatabytes = Encoding.UTF8.GetBytes(postdata);
                request.ContentLength = postdatabytes.Length;
                request.AllowAutoRedirect = false;
                request.CookieContainer = cc;
                request.KeepAlive = true;
                //提交请求
                Stream stream;
                stream = request.GetRequestStream();
                stream.Write(postdatabytes, 0, postdatabytes.Length);
                stream.Close();
                //接收响应
                response = (HttpWebResponse)request.GetResponse();
                //保存返回cookie
                response.Cookies = request.CookieContainer.GetCookies(request.RequestUri);
                CookieCollection cook = response.Cookies;
                string strcrook = request.CookieContainer.GetCookieHeader(request.RequestUri);
                Cookiesstr = strcrook;
                Console.WriteLine(Cookiesstr);
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("gb2312"));
                string content = sr.ReadToEnd();
                response.Close();
            }
            catch (Exception)
            {
                //第一次POST出错；
            }
            try
            {

                //第一次POST请求
                string postdata = @"k=mobile&o=&t=ALL&ta=al&pageNo=1&pageMethod=page";//模拟请求数据
                string LoginUrl = "http://t.163.com/search.do?action=searchTweet";
                request = (HttpWebRequest)WebRequest.Create(LoginUrl);//实例化web访问类
                request.Method = "POST";//数据提交方式为POST
                //模拟头
                request.ContentType = "application/x-www-form-urlencoded";
                byte[] postdatabytes = Encoding.UTF8.GetBytes(postdata);
                request.ContentLength = postdatabytes.Length;
                request.AllowAutoRedirect = false;
                request.CookieContainer = cc;
                request.Headers.Add("Cookie:" + Cookiesstr);
                request.KeepAlive = true;
                //提交请求
                Stream stream;
                stream = request.GetRequestStream();
                stream.Write(postdatabytes, 0, postdatabytes.Length);
                stream.Close();
                //接收响应
                response = (HttpWebResponse)request.GetResponse();
                //保存返回cookie
                response.Cookies = request.CookieContainer.GetCookies(request.RequestUri);
                CookieCollection cook = response.Cookies;
                string strcrook = request.CookieContainer.GetCookieHeader(request.RequestUri);
                Cookiesstr = strcrook;
                Console.WriteLine(Cookiesstr);
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("UTF-8"));
                string content = sr.ReadToEnd();
                Console.WriteLine(content);
                response.Close();
            }
            catch (Exception)
            {
                //第一次POST出错；
            }
            try
            {

                //第一次POST请求
                string postdata = @"k=mobile&o=&t=ALL&ta=al&pageNo=2&pageMethod=page";//模拟请求数据
                string LoginUrl = "http://t.163.com/search.do?action=searchTweet";
                request = (HttpWebRequest)WebRequest.Create(LoginUrl);//实例化web访问类
                request.Method = "POST";//数据提交方式为POST
                //模拟头
                request.ContentType = "application/x-www-form-urlencoded";
                byte[] postdatabytes = Encoding.UTF8.GetBytes(postdata);
                request.ContentLength = postdatabytes.Length;
                request.AllowAutoRedirect = false;
                request.CookieContainer = cc;
                request.Headers.Add("Cookie:" + Cookiesstr);
                request.KeepAlive = true;
                //提交请求
                Stream stream;
                stream = request.GetRequestStream();
                stream.Write(postdatabytes, 0, postdatabytes.Length);
                stream.Close();
                //接收响应
                response = (HttpWebResponse)request.GetResponse();
                //保存返回cookie
                response.Cookies = request.CookieContainer.GetCookies(request.RequestUri);
                CookieCollection cook = response.Cookies;
                string strcrook = request.CookieContainer.GetCookieHeader(request.RequestUri);
                Cookiesstr = strcrook;
                Console.WriteLine(Cookiesstr);            
                StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding("UTF-8"));
                string content = sr.ReadToEnd();
                Console.WriteLine(content);
                response.Close();
            }
            catch (Exception)
            {
                //第一次POST出错；
            }
           
        }

    }
}