模拟登陆139邮箱

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net;
using System.IO;
using System.Text;

namespace WebApplication1
{
    public partial class WebForm16 : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            //string result = OpenReadWithHttpsWithLogin("https://mail.10086.cn/Login/Login.ashx", "UserName=用户名&Password=密码&SavePwd+=0&clientid=6002");
            string result = OpenReadWithHttpsWithLogin("https://mail.10086.cn/Login/Login.ashx?_fv=5&cguid=1355493160018&_=9df8092ff53dbe8dc0df5015f6e7b22e60f2f295", "UserName=用户名&Password=密码&VerifyCode=");
            Response.Write(result);
        }

        ///<summary>
        ///采用https协议访问网络
        ///</summary>
        ///<param name="URL">url地址</param>
        ///<param name="strPostdata">发送的数据</param>
        ///<returns></returns>
        public static string OpenReadWithHttpsWithLogin(string URL, string strPostdata)
        {
            Encoding encoding = Encoding.Default;
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(URL);
            request.Method = "post";
            request.Accept = "text/html, application/xhtml+xml, */*";
            request.ContentType = "application/x-www-form-urlencoded";
            CookieContainer objcok = new CookieContainer();
            request.CookieContainer = objcok;

            byte[] buffer = encoding.GetBytes(strPostdata);
            request.ContentLength = buffer.Length;

            request.GetRequestStream().Write(buffer, 0, buffer.Length);
            HttpWebResponse response = (HttpWebResponse)request.GetResponse();
            StreamReader reader = new StreamReader(response.GetResponseStream(), System.Text.Encoding.GetEncoding("utf-8"));
            LoginInfo.LoginCookie = objcok;
            return reader.ReadToEnd();
        }
        public static class LoginInfo
        {
            /// <summary>
            /// 登录后得到的令牌
            /// </summary>        
            public static string Token { get; set; }
            /// <summary>
            /// 登录后得到的cookie
            /// </summary>
            public static CookieContainer LoginCookie { get; set; }
            /// <summary>
            /// 创建时间
            /// </summary>
            public static DateTime CreateDate { get; set; }

        }

      
    }
}