模拟登陆 POST数据拼接问题

Question

 public string PostData(string url, string data)
        {
            string respHtml = "";
            UTF8Encoding coding = new UTF8Encoding();
            byte[] postData = coding.GetBytes(data);
            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
            request.Method = "POST";
            request.ContentType = "application/x-www-form-urlencoded";
            request.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.2; zh-CN; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13 (.NET CLR 3.5.30729)";
            request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
            request.Timeout = 4000;
            request.KeepAlive = true;
            request.ContentLength = postData.Length;
            request.CookieContainer = loginCookie;            Stream newStream = request.GetRequestStream();            //发送数据
            newStream.Write(postData, 0, postData.Length);
            newStream.Close();
            //接收返回值
            try
            {
                HttpWebResponse response = (HttpWebResponse)request.GetResponse();
                foreach (Cookie cookie in response.Cookies)
                {
                    loginCookie.Add(cookie);
                }
                Stream myStream = response.GetResponseStream();
                StreamReader myReader = new StreamReader(myStream, Encoding.GetEncoding("utf-8"));
                respHtml = myReader.ReadToEnd();                response.Close();
                myStream.Close();                response = null;
                myStream = null;
                myReader = null;                return respHtml;
            }
            catch (Exception ex)
            {
                return respHtml = ex.ToString();
            }
        }这是我POST请求的方法

Answer 1

貌似里面有‘’这样的字符导致的

Answer 2

不管小偷