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/// <summary>
/// 构建一个httt请求以获取目标链接的cookies,需要传入目标的登录地址和相关的post信息,返回完成登录的cookies,以及返回的html内容
/// </summary>
/// <param name="url">登录页面的地址</param>
/// <param name="post">post信息</param>
/// <param name="strHtml">输出的html代码</param>
/// <param name="rppt">请求的标头所需要的相关属性设置</param>
/// <returns>请求完成后的cookies</returns>
public CookieCollection funGetCookie(string url, byte[] post, out string strHtml, RequestPPT rppt,string server)
{
CookieCollection ckclReturn = new CookieCollection();
CookieContainer cc = new CookieContainer();
HttpWebRequest hwRequest;
HttpWebResponse hwResponse;
//请求cookies的格式
//hwRequest = (HttpWebRequest)HttpWebRequest.Create(new Uri(url));
//hwResponse = (HttpWebResponse)hwRequest.GetResponse();
//string cookie = hwResponse.Headers.Get("Set-Cookie");
//cookie = cookie.Split(';')[0];
//hwRequest = null;
//hwResponse = null;
//构建即将发送的包头
//cc.SetCookies(new Uri(server), cookie);
hwRequest = (HttpWebRequest)HttpWebRequest.Create(new Uri(url));
hwRequest.CookieContainer = cc;
hwRequest.Accept = rppt.Accept;
hwRequest.ContentType = rppt.ContentType;
hwRequest.UserAgent = rppt.UserAgent;
hwRequest.Method = rppt.Method;
hwRequest.ContentLength = post.Length;
//写入标头
Stream stream;
stream = hwRequest.GetRequestStream();
stream.Write(post, 0, post.Length);
stream.Close();
//发送请求获取响应内容
try
{
hwResponse = (HttpWebResponse)hwRequest.GetResponse();
}
catch
{
strHtml = "";
return ckclReturn;
}
stream = hwResponse.GetResponseStream();
StreamReader sReader = new StreamReader(stream, Encoding.Default);
strHtml = sReader.ReadToEnd();
sReader.Close();
stream.Close();
//获取缓存内容
ckclReturn = hwResponse.Cookies;
return ckclReturn;
}