【基础】用 HttpWebRequest 模拟csdn登录问题

SqlServer2008 2010-12-30 10:04:04



 protected void Button1_Click(object sender, EventArgs e)

    {

        string url = "http://passport.csdn.net/UserLogin.aspx?from=http://community.csdn.net/";

        string zh = TextBox1.Text;//账号

        string mm = TextBox2.Text;//密码

        string yzm = TextBox3.Text;//验证码



        string postdata = "";





        //请求

        HttpWebRequest hwr = (HttpWebRequest)HttpWebRequest.Create(url);

        

        hwr.Referer = "http://passport.csdn.net/UserLogin.aspx?from=http://community.csdn.net/";

        hwr.ContentType = "application/x-www-form-urlencoded";

        hwr.ContentLength = postdata.Length;

        hwr.Method = "POST";

        hwr.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.0.19) Gecko/2010031422 Firefox/3.0.19 (.NET CLR 3.5.30729)";

        hwr.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";

        hwr.CookieContainer = this._cookies;



        Stream requestStream = hwr.GetRequestStream();

        StreamWriter writer = writer = new StreamWriter(requestStream);

        writer.Write(postdata);





        writer.Flush();

        writer.Close();

        requestStream.Close();



        //响应

        HttpWebResponse response = (HttpWebResponse)hwr.GetResponse();//



        string qqurl=response.ResponseUri.ToString();//获取返回相应的url



       



    }