c#模拟登陆失败，请求高手帮忙

Question

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net;
using System.IO;namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }        private void Form1_Load(object sender, EventArgs e)
        {
            string strId = "guest";
            string strPassword = "123456";            string postData = "login_username=" + strId + "&login_loginpass=" + strPassword + "&aaa=%E7%99%BB%E5%BD%95&login=yes&can_input=0&u=&login_start_time=1359428826&tpl=&tn=&pu=&ssid=&from=&bd_page_type=&uid=1359428826232_510&login_username_input=0&type="
;
            HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create("http://wappass.baidu.com/passport/");        }
    }
}
c#

Answer 1

using System;
using System.IO;
using System.Net;
using System.Runtime.InteropServices;
using System.Text;namespace WPCheck
{
    public class HttpHelper
    {
        public string contentType = "application/x-www-form-urlencoded";
        public string accept = "text/html, application/xhtml+xml, */*";
        public string userAgent = "Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.2; WOW64; Trident/6.0)";
        public string referer = string.Empty;        [DllImport("wininet.dll", CharSet = CharSet.Auto, SetLastError = true)]
        public static extern bool InternetSetCookie(string lpszUrl, string lpszCookieName, string lpszCookieData);        /// <summary>
        /// 获取流数据
        /// </summary>
        /// <param name="url"></param>
        /// <returns></returns>
        public Stream GetStream(string url, CookieContainer cookies = null)
        {
            cookies = cookies ?? new CookieContainer();
            HttpWebRequest httpWebRequest = null;
            HttpWebResponse httpWebResponse = null;            try
            {
                httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
                httpWebRequest.CookieContainer = cookies;
                httpWebRequest.ContentType = contentType;
                httpWebRequest.Referer = referer;
                httpWebRequest.Accept = accept;
                httpWebRequest.UserAgent = userAgent;
                httpWebRequest.Method = "GET";
                httpWebRequest.ServicePoint.ConnectionLimit = int.MaxValue;                httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
                Stream responseStream = httpWebResponse.GetResponseStream();                return responseStream;
            }
            catch (Exception)
            {
                return null;
            }
        }        /// <summary>
        /// 获取HTML
        /// </summary>
        /// <param name="url"></param>
        /// <param name="cookieContainer"></param>
        /// <param name="method">GET or POST</param>
        /// <param name="postData">like "username=admin&password=123"</param>
        /// <returns></returns>
        public string GetHtml(string url, CookieContainer cookies = null, string method = "GET", string postData = "")
        {
            cookies = cookies ?? new CookieContainer();
            HttpWebRequest httpWebRequest = null;
            HttpWebResponse httpWebResponse = null;            try
            {
                httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(url);
                httpWebRequest.CookieContainer = cookies;
                httpWebRequest.ContentType = contentType;
                httpWebRequest.Referer = referer;
                httpWebRequest.Accept = accept;
                httpWebRequest.UserAgent = userAgent;
                httpWebRequest.Method = method;
                httpWebRequest.ServicePoint.ConnectionLimit = int.MaxValue;
                httpWebRequest.AllowAutoRedirect = true;                if (method.ToUpper() == "POST" && postData.Length > 0)
                {
                    byte[] byteRequest = Encoding.UTF8.GetBytes(postData);
                    Stream stream = httpWebRequest.GetRequestStream();
                    stream.Write(byteRequest, 0, byteRequest.Length);
                    stream.Close();
                }                httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
                Stream responseStream = httpWebResponse.GetResponseStream();
                StreamReader streamReader = new StreamReader(responseStream, Encoding.UTF8);
                string html = streamReader.ReadToEnd();                streamReader.Close();
                responseStream.Close();                httpWebRequest.Abort();
                httpWebResponse.Close();                return html;
            }
            catch (Exception ex)
            {
                return ex.Message;
            }
        }
    }
}
发一个我用的你参考参考。
你这代码至少也得来一句myRequest.GetResponse();才行啊注意这是请求头。

Answer 2

类似的一个问题，http://bbs.csdn.net/topics/390352231?page=1#post-393567550 
你可以参考参考，希望能帮到你~