繁体   English   中英

如何使用cookie request.getresponse()

[英]How to request.getresponse() with cookie

我想添加Cookies并获取http网站源代码,如何将Cookies添加到我的代码中,以及当getresponse()网站读取我的Cookies时?

enter code here
WebRequest scienceRequest = WebRequest.Create("http://www.google.com");       
WebResponse scienceResponse = scienceRequest.GetResponse();
Stream ReceiveStream = scienceResponse.GetResponseStream();
scienceResponse = scienceRequest.GetResponse();
ReceiveStream = scienceResponse.GetResponseStream();
StreamReader readStream = new StreamReader(ReceiveStream, encode);
string strResponse = readStream.ReadToEnd();
readStream.Close();
scienceResponse.Close();

我发现

private void ReadCallback(IAsyncResult asynchronousResult)
{
    HttpWebRequest request = (HttpWebRequest)asynchronousResult.AsyncState;
    HttpWebResponse response = (HttpWebResponse)
        request.EndGetResponse(asynchronousResult);
    using (IsolatedStorageFile isf =
        IsolatedStorageFile.GetUserStoreForSite())
    {
        using (IsolatedStorageFileStream isfs = isf.OpenFile("CookieExCookies",
            FileMode.OpenOrCreate, FileAccess.Write))
        {
            using (StreamWriter sw = new StreamWriter(isfs))
            {
                foreach (Cookie cookieValue in response.Cookies)
                {
                    sw.WriteLine("Cookie: " + cookieValue.ToString());
                }
                sw.Close();
            }
        }

    }
}

您可以为此使用CookieContainer 您可以使用创建

CookieContainer cookieJar = new CookieContainer();
// Optionally add some values to the container
cookieJar.Add(new Uri("http://www.domain.com"), new Cookie("name", "Raeled"));

然后,您可以将容器附加到您的请求中(可以一次又一次地执行以保持使用相同的cookie):

(scienceRequest as HttpWebRequest).CookieContainer = cookieJar;

然后,网页将使用容器中的cookie,并在需要时进行更改。 如果网页更改了它们,您可以使用以下方法将其读回:

CookieCollection collection = cookieJar.GetCookies(new Uri("http://www.domain.com"));
string myValue = collection["name"].Value;

要获取或设置,您需要提供URI,因为CookieContainer可以在单个CookieContainer跟踪不同域的cookie。

暂无
暂无

声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.

 
粤ICP备18138465号  © 2020-2024 STACKOOM.COM