传递同一sessionID

最新推荐文章于 2023-11-15 22:22:40 发布

原创最新推荐文章于 2023-11-15 22:22:40 发布 · 1k 阅读

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本文展示了一个使用C#实现的网络登录示例，通过POST请求向服务器发送用户名和密码，处理服务器返回的信息，并根据反馈调整操作。此过程涉及了HTTPWebRequest的使用，包括设置请求头、发送请求体及读取响应。

private void button1_Click(object sender, System.EventArgs e)
  {
   string url = "http://210.34.241.100/php/user_login.php";
   HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
   req.CookieContainer = new CookieContainer();

   string s = "loginuser=" + loginuser.Text + "&password="+passbox.Text + "&logintype=%C1%AC%CF%DF%B9%FA%BC%CA&domainid=1&&refer=http%3A%2F%2F210.34.241.100%2Fphp%2Fonlinestatus.php%3Flogout_offnet%3D1&x=32&y=12";

   byte[] requestBytes = System.Text.Encoding.ASCII.GetBytes (s);
   req.Method = "POST";
   req.ContentType = "application/x-www-form-urlencoded";
   req.ContentLength = requestBytes.Length;
   Stream requestStream = req.GetRequestStream();
   requestStream.Write(requestBytes,0,requestBytes.Length);
   requestStream.Close();
   HttpWebResponse res = (HttpWebResponse)req.GetResponse();

res.Cookies = req.CookieContainer.GetCookies(req.RequestUri);

CookieCollection cook;
cook=res.Cookies;

   string url1 = "http://210.34.241.100/php/login_net?mode=2&quick=yes&refer=1";
   HttpWebRequest req1 = (HttpWebRequest)WebRequest.Create(url1);
   req1.CookieContainer = new CookieContainer();
   req1.CookieContainer.Add(res.Cookies);
   req1.Method = "GET";
   HttpWebResponse res1 = (HttpWebResponse)req1.GetResponse();
   StreamReader sr1 = new StreamReader(res1.GetResponseStream(), System.Text.Encoding.Default);
   string backstr1 = sr1.ReadToEnd();
   sr1.Close();
   res1.Close();
   res.Close();
   if(backstr1.IndexOf("连线成功")!=-1)
   {
    lab.Text="在线";
       MessageBeep(0xFFFFFFFF);
   }
   else MessageBox.Show("连续失败");


  }