public static CookieContainer DefaultGetCooKie(string loginUrl, string postdata, HttpHeader header)
{
HttpWebRequest request = null;
HttpWebResponse response = null;
try
{
CookieContainer cc = new CookieContainer();
request = (HttpWebRequest)WebRequest.Create(loginUrl);
request.Method = header.method;
request.ContentType = header.contentType;
byte[] postdatabyte = Encoding.Default.GetBytes(postdata);
request.ContentLength = postdatabyte.Length;
request.AllowAutoRedirect = false;
request.CookieContainer = cc;
request.KeepAlive = true;
request.Method = "POST";
//提交请求
Stream stream;
stream = request.GetRequestStream();
stream.Write(postdatabyte, 0, postdatabyte.Length);
stream.Close();
//接收响应
response = (HttpWebResponse)request.GetResponse();
response.Cookies = request.CookieContainer.GetCookies(request.RequestUri);
CookieCollection cook = response.Cookies;
//Cookie字符串格式
string strcrook = request.CookieContainer.GetCookieHeader(request.RequestUri);
return(cc);
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 获取html
/// </summary>
/// <param name="getUrl"></param>
/// <param name="cookieContainer"></param>
/// <param name="header"></param>
/// <returns></returns>
public static string GetHtml(string getUrl, ref CookieContainer cookieContainer, HttpHeader header)
{
Thread.Sleep(1000);
HttpWebRequest httpWebRequest = null;
HttpWebResponse httpWebResponse = null;
try
{
httpWebRequest = (HttpWebRequest)HttpWebRequest.Create(getUrl);
httpWebRequest.CookieContainer = cookieContainer;
httpWebRequest.ContentType = header.contentType;
httpWebRequest.ServicePoint.ConnectionLimit = header.maxTry;
httpWebRequest.Referer = getUrl;
httpWebRequest.Accept = header.accept;
httpWebRequest.UserAgent = header.userAgent;
httpWebRequest.Method = "GET";
httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
cookieContainer = httpWebRequest.CookieContainer;
Stream responseStream = httpWebResponse.GetResponseStream();
StreamReader streamReader = new StreamReader(responseStream, Encoding.UTF8);
string html = streamReader.ReadToEnd();
streamReader.Close();
responseStream.Close();
httpWebRequest.Abort();
httpWebResponse.Close();
return(html);
}
catch (Exception e)
{
if (httpWebRequest != null)
{
httpWebRequest.Abort();
}
if (httpWebResponse != null)
{
httpWebResponse.Close();
}
return(string.Empty);
}
}
