我使用WebBrowser控件打开一个网站,然后将cookie保存在cookieContainer中,稍后使用HTTPWebRequest处理向前浏览的页面等操作。
问题出现在当我搜索并返回100页时,在第一页上,它保存了一个名为ABC的cookie,我将其添加到cookiecontainer中并移动到下一页,在第二页上,同样的cookie名为ABC被赋予一些值,但现在我在cookiecontainer中有两个相同的cookie,当我移动到下一页时它不起作用,因为它正在采用第一个cookie,这会导致一切都混乱。
如何解决这个问题呢?
HttpWEBREQUEST函数:
public string getHtmlCookies(string url)
{
string responseData = "";
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Accept = "*/*";
request.AllowAutoRedirect = true;
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)";
request.Timeout = 30000;
request.Method = "GET";
request.CookieContainer = yummycookies;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
if (response.StatusCode == HttpStatusCode.OK)
{
foreach (Cookie cookie in response.Cookies)
{
string name = string.Empty;
name = cookie.Name;
string value = cookie.Value;
string path = "/";
string domain = "www.example.com";
yummycookies.Add(new Cookie(name.Trim(), value.Trim(), path, domain));
}
Stream responseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(responseStream);
responseData = myStreamReader.ReadToEnd();
}
response.Close();
}
catch (Exception e)
{
responseData = "An error occurred: " + e.Message;
}
return responseData;
}