请问这里的response.Cookies和cookie.GetCookieHeader(new Uri(Url));有什么不同吗？

温柔地杀了它

请问这里的response.Cookies和cookie.GetCookieHeader(new Uri(Url));有什么不同吗？
response.Cookies应该是提交数据后 网站返回给我们的cookie吧，那cookie.GetCookieHeader(new Uri(Url));不也是网站返回来的cookie吗？

[C#] 纯文本查看 复制代码

 public static string HttpPOST(string Url, string proxystr, string postDataStr, string refrere, bool isutf8, bool sendmode, ref  CookieContainer cookie, int timeout, string useragent, bool isPostOnGzip)
    {

        string cstr = "提交前Cookie:" + cookie.GetCookieHeader(new Uri(Url));  //定义字符串保存提交前后的cookie数据，用于分析
        Stream myResponseStream = null; //定义服务器返回流
        HttpWebResponse response = null;  //定义服务器返回的请求
        HttpWebRequest request = null;//定义提交请求
        try
        {
            WebProxy proxy = new WebProxy();
            System.Net.ServicePointManager.Expect100Continue = false;//当要POST的数据大于1024字节的时候，是否分成两步
            System.Net.ServicePointManager.DefaultConnectionLimit = 1000;//设置最大并发连接，避免同时多个提交时出现失败
            request = (HttpWebRequest)WebRequest.CreateDefault(new Uri(Url));//根据当前url初始化请求
            request.ServicePoint.Expect100Continue = false;////当要POST的数据大于1024字节的时候，是否分成两步
            if (proxystr.Length > 0)
            {
                proxy = new WebProxy(proxystr);
                request.Proxy = proxy;
            }
            request.CookieContainer = cookie;//设置cookie容器
            request.Method = "POST";//设置提交方式
            if (isPostOnGzip)
                request.AutomaticDecompression = DecompressionMethods.GZip;
            if (sendmode)//如果是内容提交，则加上此格式，这个是必须的，否则类似文章发布这样的提交无法被服务器识别
            {
                string split = postDataStr.Substring(postDataStr.IndexOf("-----------------------------") + 29);
                split = split.Remove(split.IndexOf("\n"));
                request.ContentType = "multipart/form-data; boundary=---------------------------" + split;

            }
            else
            {
                request.ContentType = "application/x-www-form-urlencoded";//普通提交例如登录这样的，加上此格式
            }
            request.Referer = refrere;//设置来路
            request.Timeout = timeout * 1000;//设置超时时间，毫秒
            request.AllowAutoRedirect = false;//是否跟随重定向
            request.Accept = "*/*";//设置标头
            request.Headers.Add("Accept-Language", "zh-CN");//设置标头
            request.Headers.Add("Cache-Control", "no-cache");//设置标头
            request.UserAgent = useragent;//设置标头，客户端信息
            byte[] requestBytes = isutf8 ? System.Text.Encoding.UTF8.GetBytes(postDataStr) : System.Text.Encoding.Default.GetBytes(postDataStr);//根据指定的编码将要提交的数据变成字节数组
            request.ContentLength = requestBytes.Length;//设置请求的长度
            string header = request.Headers.ToString();//设置请求的头
            Stream myRequestStream = request.GetRequestStream();//获取提交流
            using (Stream writer = myRequestStream)
            {
                writer.Write(requestBytes, 0, requestBytes.Length);//提交数据到服务器
            }
            response = (HttpWebResponse)request.GetResponse();//获取服务器返回
            myResponseStream = response.GetResponseStream();//获取服务器返回流
            if (response.ContentEncoding.ToLower().Contains("gzip"))//如果是gzip，则用gzip的方式解压流
            {
                myResponseStream = new GZipStream(myResponseStream, CompressionMode.Decompress);
            }
            else if (response.ContentEncoding.ToLower().Contains("deflate"))
            {
                myResponseStream = new DeflateStream(myResponseStream, CompressionMode.Decompress);
            }
            string retString = isutf8 ? (new StreamReader(myResponseStream, Encoding.UTF8)).ReadToEnd() : (new StreamReader(myResponseStream, Encoding.Default)).ReadToEnd();//根据指定的编码将服务器返回流转换成字符串

            string session = "";
            foreach (Cookie ck in response.Cookies)
            {
                session += ck.Name + "=" + ck.Value + "; ";
            }
            string abc = session;
            cstr += "\r\n提交后Cookie:" + cookie.GetCookieHeader(new Uri(Url));//拼接提交后cookie，用于分析
            retString = retString + "\r\n\r\n=================================================\r\n\r\n本次请求：" + Url + " 响应结果：" + response.StatusCode + "\r\n\r\n" + cstr + "\r\n" + request.CookieContainer.GetCookieHeader(new Uri(Url)) + "\r\nrequest:\r\n" + header + "\r\nresponse:\r\n" + response.Headers.ToString() + "\r\n\r\n=================================================\r\n\r\n";
            UpdateCookie(ref cookie, response.Cookies);//将post成功以后得到的新cookie放入cookie容器里面
            return retString;
        }
        catch (Exception ex)
        {
            return ex.Message;//如果报错，返回错误信息
        }
        finally
        {//最后关闭各种流，各种请求，这里不管报不报错都会最终执行
            if (myResponseStream != null)
                myResponseStream.Close();
            if (response != null)
                response.Close();
            if (request != null)
                request.Abort();
        }
    }

站长苏飞

你打印出来一比较就明白了

温柔地杀了它

cookie.GetCookieHeader(new Uri(Url));这句话的意思是什么呢

温柔地杀了它

站长苏飞 发表于 2014-6-3 15:12
你打印出来一比较就明白了

cookie.GetCookieHeader(new Uri(Url));这句话的意思是什么呢