求助！！！！webBrowser登录后获取Cookie值

ㄞ狂奔的蜗牛

webBrowser登录后获取Cookie值，获取不到Cookie值，看了很久就是看不出是哪里问题。

[C#] 纯文本查看 复制代码

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.Runtime.InteropServices;

namespace WindowsFormsApplication1
{
    public partial class Form1 : Form
    {

        string cookie = "";
        public Form1()
        {
            InitializeComponent();
        }


        //取当前webBrowser登录后的Cookie值   
        [DllImport("wininet.dll", CharSet = CharSet.Auto, SetLastError = true)]
        static extern bool InternetGetCookieEx(string pchURL, string pchCookieName, StringBuilder pchCookieData, ref int pcchCookieData, int dwFlags, object lpReserved);
        //取出Cookie，当登录后才能取
        private static string GetCookieString(string url)
        {
            // 确定cookie的大小
            int datasize = 256;
            StringBuilder cookieData = new StringBuilder(datasize);
            if (!InternetGetCookieEx(url, null, cookieData, ref datasize, 0x00002000, null))
            {
                if (datasize < 0)
                    return null;
                // 分配字符串生成器，大到足以容纳
                cookieData = new StringBuilder(datasize);
                if (!InternetGetCookieEx(url, null, cookieData, ref datasize, 0x00002000, null))
                    return null;
            }
            return cookieData.ToString();
        }

        private void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            try
            {
                if (GetCookieString(e.Url.ToString()) != null)
                {
                    cookie = GetCookieString(e.Url.ToString());
                }
            }
            catch
            {
            }
        }



    }
}

站长苏飞

用我的工具试试http://www.sufeinet.com/thread-3690-1-1.html

ㄞ狂奔的蜗牛

站长苏飞 发表于 2015-2-28 11:24
用我的工具试试http://www.sufeinet.com/thread-3690-1-1.html

https://passport.baidu.com/v2/?login&tpl=mn&u=http%3A%2F%2Fwww.baidu.com%2F

这个地址未登入状态，获取不了Cookie  使用您的工具好像是可以获取的