/// <summary>
/// 根据已经获取到cookies来获取目标链接的内容
/// </summary>
/// <param name="strUri">目标的url</param>
/// <param name="ccl">已经获取好的cookies</param>
/// <returns>目标url的纯文本:"txt/html"</returns>
public string funGetHtmlByCookies(string strUri, CookieCollection ccl)
{
RequestPPT rppt = new RequestPPT();
//设置头属性
rppt.Accept = "txt/html";
rppt.ContentType = "application/x-www-form-urlencoded";
rppt.Method = "Post";
rppt.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)";
return(base.funGetHtmlByCookies(strUri, ccl, rppt));
}
/// <summary>
/// 获取目标登录链接的cookies
/// </summary>
/// <param name="url">目标的登录链接</param>
/// <param name="dir">构造头的泛型键值对</param>
/// <param name="strHtml">登录后返回的页面内容</param>
/// <returns>登录后的cookies</returns>
public CookieCollection funGetCookie(string url, Dictionary <string, string> dir, out string strHtml)
{
CookieCollection cc = new CookieCollection();
RequestPPT rppt = new RequestPPT();
//构建post内容
string strPost = funMakePost(dir);
byte[] post = Encoding.Default.GetBytes(strPost);
//设置标头属性
rppt.Accept = "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*";
rppt.ContentType = "application/x-www-form-urlencoded";
rppt.Method = "Post";
rppt.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)";
string server = "http://" + new Uri(url).Host;
return(cc = base.funGetCookie(url, post, out strHtml, rppt, server));
}
/// <summary>
/// 投票帖子用的方法
/// </summary>
/// <param name="strHtml">投票帖子的htmlcode</param>
/// <param name="ccl">有效的cookies</param>
/// <returns>投票完成以后的htmlcode</returns>
public string funVote(string strHtml, CookieCollection ccl)
{
//判断是不是选取投票
try
{
strHtml = strHtml.Substring(strHtml.IndexOf("<form"), strHtml.LastIndexOf("</form>") - strHtml.IndexOf("<form") + 7);
}
catch
{
return("");
}
string strCheck = @"name=""pollanswers[]""";
//如果代码中包含关键信息说明没有被投票过
if (strHtml.IndexOf(strCheck) > 0)
{
//获取post头的需求信息
string strFormHash = "77b49df4";
string strPollanswers;
strPollanswers = strHtml.Substring(strHtml.IndexOf(strCheck) + strCheck.Length, 20).Split('"')[1];
string strPollansubmit = "提交";
Dictionary <string, string> dir = new Dictionary <string, string>();
dir.Add("formhash", strFormHash);
dir.Add("pollanswers[]", strPollanswers);
dir.Add("pollsubmit", strPollansubmit);
string strPost = funMakePost(dir);
byte[] post = Encoding.Default.GetBytes(strPost);
//获取请求的路径
string strUrl = "http://" + Host + "/bbs/";
string strActionUrl = @"method=""post""";
strUrl += strHtml.Substring(strHtml.IndexOf(strActionUrl) + strActionUrl.Length, 100).Split('"')[1].Replace("amp;", "");
//构建头
RequestPPT rppt = new RequestPPT();
rppt.Accept = "txt/html";
rppt.ContentType = "application/x-www-form-urlencoded";
rppt.Method = "Post";
rppt.UserAgent = "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; SV1; .NET CLR 1.1.4322; InfoPath.1; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)";
strHtml = base.funGetHtmlByCookies(strUrl, post, ccl, rppt);
}
return(strHtml);
}
///
/// 根据已经获取的有效cookies来获取目标链接的内容
///
/// 目标链接的url
/// 已经获取到的有效cookies
/// 头属性的相关设置
/// 目标连接的纯文本:"txt/html"
public string funGetHtmlByCookies(string strUri, CookieCollection ccl, RequestPPT rppt)
{
CookieContainer cc = new CookieContainer();
HttpWebRequest hwRequest;
HttpWebResponse hwResponse;
//构建即将发送的包头
hwRequest = (HttpWebRequest)HttpWebRequest.Create(new Uri(strUri));
cc.Add(ccl);
hwRequest.CookieContainer = cc;
hwRequest.Accept = rppt.Accept;
hwRequest.ContentType = rppt.ContentType;
hwRequest.UserAgent = rppt.UserAgent;
hwRequest.Method = rppt.Method;
hwRequest.ContentLength = 0;
//发送请求获取响应内容
try
{
hwResponse = (HttpWebResponse)hwRequest.GetResponse();
}
catch
{
return("");
}
Stream stream;
stream = hwResponse.GetResponseStream();
StreamReader sReader = new StreamReader(stream, Encoding.Default);
string strHtml = sReader.ReadToEnd();
sReader.Close();
stream.Close();
//返回值
return(strHtml);
}
///
/// 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
///
/// 登录页面的地址
/// post信息
/// 输出的html代码
/// 请求的标头所需要的相关属性设置
/// 请求完成后的cookies
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);
}
//hwResponse.Headers["location"]
stream = hwResponse.GetResponseStream();
StreamReader sReader = new StreamReader(stream, Encoding.UTF8);
strHtml = sReader.ReadToEnd();
sReader.Close();
stream.Close();
//获取缓存内容
ckclReturn = hwResponse.Cookies;
return(ckclReturn);
}
