httpwebrequest中的c#web浏览器cookie
我有一个webbrowser控件,可以加载页面。 然后我点击一个按钮调用此方法:httpwebrequest中的c#web浏览器cookie,c#,httpwebrequest,webbrowser-control,C#,Httpwebrequest,Webbrowser Control,我有一个webbrowser控件,可以加载页面。 然后我点击一个按钮调用此方法: public void get(Uri myUri) { HttpWebRequest request = (HttpWebRequest)WebRequest.Create(myUri); CookieContainer cookieJar = new CookieContainer(); cookieJar.SetCookies(webBrowser1.D
public void get(Uri myUri)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(myUri);
CookieContainer cookieJar = new CookieContainer();
cookieJar.SetCookies(webBrowser1.Document.Url,webBrowser1.Document.Cookie.Replace(';', ','));
request.CookieContainer = cookieJar;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
int cookieCount = cookieJar.Count;
Stream receiveStream = response.GetResponseStream();
StreamReader readStream = new StreamReader(receiveStream, Encoding.UTF8);
txt.Text = readStream.ReadToEnd();
txt2.Text = cookieCount.ToString();
}
从cookieCount int可以看出,如果我在登录web浏览器控件的页面之前调用该方法,我将得到6个cookie,而在登录之后我将得到7个cookie。
然而,即使使用cookies,我得到的响应也与我没有登录时的响应相同。
所以我猜cookies不是随请求一起发送的
谢谢 每次调用此方法时,您都在重新创建CookieContainer,您需要在所有请求中使用相同的CookieContainer 您可以使用此代码来处理您的请求:
static CookieContainer cookies = new CookieContainer();
static HttpWebRequest GetNewRequest(string targetUrl, CookieContainer SessionCookieContainer)
{
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(targetUrl);
request.CookieContainer = SessionCookieContainer;
request.AllowAutoRedirect = false;
return request;
}
public static HttpWebResponse MakeRequest(HttpWebRequest request, CookieContainer SessionCookieContainer, Dictionary<string, string> parameters = null)
{
request.UserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/536.5 (KHTML, like Gecko) Chrome/19.0.1084.52 Safari/536.5Accept: */*";
request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
request.CookieContainer = SessionCookieContainer;
request.AllowAutoRedirect = false;
if (parameters != null)
{
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
string postData = "";
foreach (KeyValuePair<String, String> parametro in parameters)
{
if (postData.Length == 0)
{
postData += String.Format("{0}={1}", parametro.Key, parametro.Value);
}
else
{
postData += String.Format("&{0}={1}", parametro.Key, parametro.Value);
}
}
byte[] postBuffer = UTF8Encoding.UTF8.GetBytes(postData);
using (Stream postStream = request.GetRequestStream())
{
postStream.Write(postBuffer, 0, postBuffer.Length);
}
}
else
{
request.Method = "GET";
}
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
SessionCookieContainer.Add(response.Cookies);
while (response.StatusCode == HttpStatusCode.Found)
{
response.Close();
request = GetNewRequest(response.Headers["Location"], SessionCookieContainer);
response = (HttpWebResponse)request.GetResponse();
SessionCookieContainer.Add(response.Cookies);
}
return response;
}
静态CookieContainer cookies=新CookieContainer();
静态HttpWebRequest GetNewRequest(字符串targetUrl,CookieContainer会话CookieContainer)
{
HttpWebRequest请求=(HttpWebRequest)HttpWebRequest.Create(targetUrl);
request.CookieContainer=SessionCookieContainer;
request.AllowAutoRedirect=false;
返回请求;
}
公共静态HttpWebResponse MakeRequest(HttpWebRequest请求,CookieContainer会话CookieContainer,字典参数=null)
{
request.UserAgent=“Mozilla/5.0(Windows NT 6.1;WOW64)AppleWebKit/536.5(KHTML,类似Gecko)Chrome/19.0.1084.52 Safari/536.5Accept://*”;
request.Accept=“text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8”;
request.CookieContainer=SessionCookieContainer;
request.AllowAutoRedirect=false;
if(参数!=null)
{
request.Method=“POST”;
request.ContentType=“application/x-www-form-urlencoded”;
字符串postData=“”;
foreach(参数中的KeyValuePair参数)
{
if(postData.Length==0)
{
postData+=String.Format(“{0}={1}”,parametro.Key,parametro.Value);
}
其他的
{
postData+=String.Format(&{0}={1}),parametro.Key,parametro.Value);
}
}
byte[]postBuffer=UTF8Encoding.UTF8.GetBytes(postData);
使用(Stream postStream=request.GetRequestStream())
{
写(postBuffer,0,postBuffer.Length);
}
}
其他的
{
request.Method=“GET”;
}
HttpWebResponse=request.GetResponse()作为HttpWebResponse;
sessionokiecontainer.Add(response.Cookies);
while(response.StatusCode==HttpStatusCode.Found)
{
response.Close();
request=GetNewRequest(response.Headers[“Location”],sessionokiecontainer);
response=(HttpWebResponse)request.GetResponse();
sessionokiecontainer.Add(response.Cookies);
}
返回响应;
}
并请求一页
HttpWebRequest request = GetNewRequest("http://www.elitepvpers.com/forum/login.php?do=login", cookies);
Dictionary<string,string> parameters = new Dictionary<string,string>{{"your params","as key value"};
HttpWebResponse response = MakeRequest(request, cookies, parameters);
using (StreamReader reader = new StreamReader(response.GetResponseStream()))
{
if(!reader.EndOfStream)
{
Console.Write(reader.ReadToEnd());
}
}
HttpWebRequest request=GetNewRequest(“http://www.elitepvpers.com/forum/login.php?do=login“、饼干);
字典参数=新字典{{“您的参数”,“作为键值”};
HttpWebResponse-response=MakeRequest(请求、cookie、参数);
使用(StreamReader=newstreamreader(response.GetResponseStream())
{
if(!reader.EndOfStream)
{
Console.Write(reader.ReadToEnd());
}
}
匹配会话时,您的web服务器可能会考虑Cookie之外的其他内容。举几个例子:用户代理
,授权
,接受语言
由于WebBrowser
控件和WebRequest
不共享会话,因此您需要复制WebBrowser
会话中的所有标题。这将是一件很难做到的事情,因为您需要以类似的方式拦截WebBrowser
流量
一个更可行的解决方案可能是通过使用like等来与WebBrowser
保持相同的会话,而不是WebRequest
。这是可行的,因为WebBrowser
在幕后使用UrlMon
库
我最近回答了一些相关问题: