예제 #1
0
 /// <summary>
 /// 根据相传入的数据,得到相应页面数据
 /// </summary>
 /// <param name="item">参数类对象</param>
 /// <returns>返回HttpResult类型</returns>
 public HttpResult GetHtml(HttpItem item)
 {
     //返回参数
     HttpResult result = new HttpResult();
     try
     {
         //准备参数
         SetRequest(item);
     }
     catch (Exception ex)
     {
         //配置参数时出错
         return new HttpResult() { Cookie = string.Empty, Header = null, Html = ex.Message, StatusDescription = "配置参数时出错:" + ex.Message };
     }
     try
     {
         //请求数据
         using (response = (HttpWebResponse)request.GetResponse())
         {
             GetData(item, result);
         }
     }
     catch (WebException ex)
     {
         using (response = (HttpWebResponse)ex.Response)
         {
             GetData(item, result);
         }
     }
     catch (Exception ex)
     {
         result.Html = ex.Message;
     }
     if (item.IsToLower) result.Html = result.Html.ToLower();
     return result;
 }
예제 #2
0
 /// <summary>
 /// 设置代理
 /// </summary>
 /// <param name="item">参数对象</param>
 private void SetProxy(HttpItem item)
 {
     bool isIeProxy = false;
     if (!string.IsNullOrEmpty(item.ProxyIp))
     {
         isIeProxy = item.ProxyIp.ToLower().Contains("ieproxy");
     }
     if (!string.IsNullOrEmpty(item.ProxyIp) && !isIeProxy)
     {
         //设置代理服务器
         if (item.ProxyIp.Contains(":"))
         {
             string[] plist = item.ProxyIp.Split(':');
             WebProxy myProxy = new WebProxy(plist[0].Trim(), Convert.ToInt32(plist[1].Trim()));
             //建议连接
             myProxy.Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd);
             //给当前请求对象
             request.Proxy = myProxy;
         }
         else
         {
             WebProxy myProxy = new WebProxy(item.ProxyIp, false);
             //建议连接
             myProxy.Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd);
             //给当前请求对象
             request.Proxy = myProxy;
         }
     }
     else if (isIeProxy)
     {
         //设置为IE代理
     }
     else
     {
         request.Proxy = item.WebProxy;
     }
 }
예제 #3
0
 /// <summary>
 /// 为请求准备参数
 /// </summary>
 ///<param name="item">参数列表</param>
 private void SetRequest(HttpItem item)
 {
     // 验证证书
     SetCer(item);
     //设置Header参数
     if (item.Header != null && item.Header.Count > 0) foreach (string key in item.Header.AllKeys)
         {
             request.Headers.Add(key, item.Header[key]);
         }
     // 设置代理
     SetProxy(item);
     if (item.ProtocolVersion != null) request.ProtocolVersion = item.ProtocolVersion;
     request.ServicePoint.Expect100Continue = item.Expect100Continue;
     //请求方式Get或者Post
     request.Method = item.Method;
     request.Timeout = item.Timeout;
     request.KeepAlive = item.KeepAlive;
     request.ReadWriteTimeout = item.ReadWriteTimeout;
     if (item.IfModifiedSince != null) request.IfModifiedSince = Convert.ToDateTime(item.IfModifiedSince);
     //Accept
     request.Accept = item.Accept;
     //ContentType返回类型
     request.ContentType = item.ContentType;
     //UserAgent客户端的访问类型,包括浏览器版本和操作系统信息
     request.UserAgent = item.UserAgent;
     // 编码
     encoding = item.Encoding;
     //设置安全凭证
     request.Credentials = item.ICredentials;
     //设置Cookie
     SetCookie(item);
     //来源地址
     request.Referer = item.Referer;
     //是否执行跳转功能
     request.AllowAutoRedirect = item.Allowautoredirect;
     if (item.MaximumAutomaticRedirections > 0)
     {
         request.MaximumAutomaticRedirections = item.MaximumAutomaticRedirections;
     }
     //设置Post数据
     SetPostData(item);
     //设置最大连接
     if (item.Connectionlimit > 0) request.ServicePoint.ConnectionLimit = item.Connectionlimit;
 }
예제 #4
0
 /// <summary>
 /// 设置编码
 /// </summary>
 /// <param name="item">HttpItem</param>
 /// <param name="result">HttpResult</param>
 /// <param name="ResponseByte">byte[]</param>
 private void SetEncoding(HttpItem item, HttpResult result, byte[] ResponseByte)
 {
     //是否返回Byte类型数据
     if (item.ResultType == ResultType.Byte) result.ResultByte = ResponseByte;
     //从这里开始我们要无视编码了
     if (encoding == null)
     {
         Match meta = Regex.Match(Encoding.Default.GetString(ResponseByte), "<meta[^<]*charset=([^<]*)[\"']", RegexOptions.IgnoreCase);
         string c = string.Empty;
         if (meta != null && meta.Groups.Count > 0)
         {
             c = meta.Groups[1].Value.ToLower().Trim();
         }
         if (c.Length > 2)
         {
             try
             {
                 encoding = Encoding.GetEncoding(c.Replace("\"", string.Empty).Replace("'", "").Replace(";", "").Replace("iso-8859-1", "gbk").Trim());
             }
             catch
             {
                 if (string.IsNullOrEmpty(response.CharacterSet))
                 {
                     encoding = Encoding.UTF8;
                 }
                 else
                 {
                     encoding = Encoding.GetEncoding(response.CharacterSet);
                 }
             }
         }
         else
         {
             if (string.IsNullOrEmpty(response.CharacterSet))
             {
                 encoding = Encoding.UTF8;
             }
             else
             {
                 encoding = Encoding.GetEncoding(response.CharacterSet);
             }
         }
     }
 }
예제 #5
0
 /// <summary>
 /// 设置Post数据
 /// </summary>
 /// <param name="item">Http参数</param>
 private void SetPostData(HttpItem item)
 {
     //验证在得到结果时是否有传入数据
     if (request.Method.Trim().ToLower().Contains("post"))
     {
         if (item.PostEncoding != null)
         {
             postencoding = item.PostEncoding;
         }
         byte[] buffer = null;
         //写入Byte类型
         if (item.PostDataType == PostDataType.Byte && item.PostdataByte != null && item.PostdataByte.Length > 0)
         {
             //验证在得到结果时是否有传入数据
             buffer = item.PostdataByte;
         }//写入文件
         else if (item.PostDataType == PostDataType.FilePath && !string.IsNullOrEmpty(item.Postdata))
         {
             StreamReader r = new StreamReader(item.Postdata, postencoding);
             buffer = postencoding.GetBytes(r.ReadToEnd());
             r.Close();
         } //写入字符串
         else if (!string.IsNullOrEmpty(item.Postdata))
         {
             buffer = postencoding.GetBytes(item.Postdata);
         }
         if (buffer != null)
         {
             request.ContentLength = buffer.Length;
             request.GetRequestStream().Write(buffer, 0, buffer.Length);
         }
     }
 }
예제 #6
0
 /// <summary>
 /// 设置多个证书
 /// </summary>
 /// <param name="item"></param>
 private void SetCerList(HttpItem item)
 {
     if (item.ClentCertificates != null && item.ClentCertificates.Count > 0)
     {
         foreach (X509Certificate c in item.ClentCertificates)
         {
             request.ClientCertificates.Add(c);
         }
     }
 }
예제 #7
0
 /// <summary>
 /// 设置Cookie
 /// </summary>
 /// <param name="item">Http参数</param>
 private void SetCookie(HttpItem item)
 {
     if (!string.IsNullOrEmpty(item.Cookie)) request.Headers[HttpRequestHeader.Cookie] = item.Cookie;
     //设置CookieCollection
     if (item.ResultCookieType == ResultCookieType.CookieCollection)
     {
         request.CookieContainer = new CookieContainer();
         if (item.CookieCollection != null && item.CookieCollection.Count > 0)
             request.CookieContainer.Add(item.CookieCollection);
     }
 }
예제 #8
0
 /// <summary>
 /// 设置证书
 /// </summary>
 /// <param name="item"></param>
 private void SetCer(HttpItem item)
 {
     if (!string.IsNullOrEmpty(item.CerPath))
     {
         //这一句一定要写在创建连接的前面。使用回调的方法进行证书验证。
         ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
         //初始化对像,并设置请求的URL地址
         request = (HttpWebRequest)WebRequest.Create(item.URL);
         SetCerList(item);
         //将证书添加到请求里
         request.ClientCertificates.Add(new X509Certificate(item.CerPath));
     }
     else
     {
         //初始化对像,并设置请求的URL地址
         request = (HttpWebRequest)WebRequest.Create(item.URL);
         SetCerList(item);
     }
 }
예제 #9
0
        /// <summary>
        /// 获取数据的并解析的方法
        /// </summary>
        /// <param name="item"></param>
        /// <param name="result"></param>
        private void GetData(HttpItem item, HttpResult result)
        {
            #region base
            //获取StatusCode
            result.StatusCode = response.StatusCode;
            //获取StatusDescription
            result.StatusDescription = response.StatusDescription;
            //获取Headers
            result.Header = response.Headers;
            //获取CookieCollection
            if (response.Cookies != null) result.CookieCollection = response.Cookies;
            //获取set-cookie
            if (response.Headers["set-cookie"] != null) result.Cookie = response.Headers["set-cookie"];
            #endregion

            #region byte
            //处理网页Byte
            byte[] ResponseByte = GetByte();
            #endregion

            #region Html
            if (ResponseByte != null & ResponseByte.Length > 0)
            {
                //设置编码
                SetEncoding(item, result, ResponseByte);
                //得到返回的HTML
                result.Html = encoding.GetString(ResponseByte);
            }
            else
            {
                //没有返回任何Html代码
                result.Html = string.Empty;
            }
            #endregion
        }
예제 #10
0
        public void LoadAllUrl()
        {
            Dictionary<string, string> combine = new Dictionary<string, string>();
            //学段
            string[] ids = new string[] { "3", "1063", "2075" };

            Queue<string> idqueue = new Queue<string>();

            for (int i = 0; i < ids.Length; i++)
            {
                idqueue.Enqueue(ids[i]);
                combine.Add(ids[i], ids[i]);
            }
            //end for

            while (idqueue.Count != 0)
            {
                string nowid = idqueue.Dequeue();
                string url = string.Format("http://www.91taoke.com/Taocan/taocan_list/id/{0}", nowid);
                List<string> list = GetCousreList(url);
                HttpItem item = new HttpItem()
                {
                    URL = url,
                    Method = "GET",
                    IsToLower = false,
                    Timeout = 100000,
                    ReadWriteTimeout = 60000,
                    UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)",
                    ContentType = "text/html",
                    Allowautoredirect = false,
                    ResultType = ResultType.String
                };

                HttpResult result = http.GetHtml(item);

                Document doc = NSoupClient.Parse(result.Html);
                Elements ems = doc.Body.GetElementsByAttributeValue("class", "menuList cf");

                Elements xueduanlinks = ems[0].GetElementsByTag("a");

                List<string> xueduan = new List<string>();

                foreach (Element e in xueduanlinks)
                {
                    string href = e.Attr("href").ToString();
                    xueduan.Add(href.Substring(href.IndexOf(',') + 1, href.Length - href.IndexOf(',') - 2));
                }

                Elements nianjilinks = ems[1].GetElementsByTag("a");

                List<string> nianji = new List<string>();

                foreach (Element e in nianjilinks)
                {
                    string href = e.Attr("href").ToString();
                    nianji.Add(href.Substring(href.IndexOf(',') + 1, href.Length - href.IndexOf(',') - 2));
                }

                Elements xuekelinks = ems[2].GetElementsByTag("a");
                List<string> xueke = new List<string>();

                foreach (Element e in xuekelinks)
                {
                    string href = e.Attr("href").ToString();
                    xueke.Add(href.Substring(href.IndexOf(',') + 1, href.Length - href.IndexOf(',') - 2));
                }

                Elements versionlinks = ems[3].GetElementsByTag("a");
                List<string> version = new List<string>();

                foreach (Element e in versionlinks)
                {
                    string href = e.Attr("href").ToString();
                    version.Add(href.Substring(href.IndexOf(',') + 1, href.Length - href.IndexOf(',') - 2));
                }

                if (nowid.Split(',').Length == 1)
                {
                    for (int j = 0; j < nianji.Count; j++)
                    {
                        if (!combine.ContainsKey(nowid + "," + nianji[j]))
                        {
                            combine.Add(nowid + "," + nianji[j], nowid + "," + nianji[j]);
                            idqueue.Enqueue(nowid + "," + nianji[j]);
                        }
                        for (int k = 0; k < xueke.Count; k++)
                        {
                            if (!combine.ContainsKey(nowid + "," + nianji[j] + "," + xueke[k]))
                            {
                                combine.Add(nowid + "," + nianji[j] + "," + xueke[k], nowid + "," + nianji[j] + "," + xueke[k]);
                                idqueue.Enqueue(nowid + "," + nianji[j] + "," + xueke[k]);
                            }

                            for (int l = 0; l < version.Count; l++)
                            {
                                if (!combine.ContainsKey(nowid + "," + nianji[j] + "," + xueke[k] + "," + version[l]))
                                {
                                    combine.Add(nowid + "," + nianji[j] + "," + xueke[k] + "," + version[l], nowid + "," + nianji[j] + "," + xueke[k] + "," + version[l]);
                                    idqueue.Enqueue(nowid + "," + nianji[j] + "," + xueke[k] + "," + version[l]);
                                }
                            }
                        }
                    }
                }
                if (nowid.Split(',').Length == 2)
                {
                    for (int k = 0; k < xueke.Count; k++)
                    {
                        if (!combine.ContainsKey(nowid + "," + xueke[k]))
                        {
                            combine.Add(nowid + "," + xueke[k], nowid + "," + "," + xueke[k]);
                            idqueue.Enqueue(nowid + "," + xueke[k]);
                        }

                        for (int l = 0; l < version.Count; l++)
                        {
                            if (!combine.ContainsKey(nowid + "," + xueke[k] + "," + version[l]))
                            {
                                combine.Add(nowid + "," + xueke[k] + "," + version[l], nowid + "," + xueke[k] + "," + version[l]);
                                idqueue.Enqueue(nowid + "," + xueke[k] + "," + version[l]);
                            }
                        }
                    }
                }
                if (nowid.Split(',').Length == 3)
                {
                    for (int l = 0; l < version.Count; l++)
                    {
                        if (!combine.ContainsKey(nowid + "," + version[l]))
                        {
                            combine.Add(nowid + "," + version[l], nowid + "," + version[l]);
                            idqueue.Enqueue(nowid + "," + version[l]);
                        }
                    }
                }

                //for (int i = 0; i < xueduan.Count; i++)
                //{
                //    if (!combine.ContainsKey(xueduan[i]))
                //    {
                //        combine.Add(xueduan[i], xueduan[i]);
                //        idqueue.Enqueue(xueduan[i]);
                //    }
                //    for (int j = 0; j < nianji.Count; j++)
                //    {
                //        if (!combine.ContainsKey(xueduan[i] + "," + nianji[j]))
                //        {
                //            combine.Add(xueduan[i] + "," + nianji[j], xueduan[i] + "," + nianji[j]);
                //            idqueue.Enqueue(xueduan[i] + "," + nianji[j]);
                //        }
                //        for (int k = 0; k < xueke.Count; k++)
                //        {
                //            if (!combine.ContainsKey(xueduan[i] + "," + nianji[j] + "," + xueke[k]))
                //            {
                //                combine.Add(xueduan[i] + "," + nianji[j] + "," + xueke[k], xueduan[i] + "," + nianji[j] + "," + xueke[k]);
                //                idqueue.Enqueue(xueduan[i] + "," + nianji[j] + "," + xueke[k]);
                //            }

                //            for (int l = 0; l < version.Count; l++)
                //            {
                //                if (!combine.ContainsKey(xueduan[i] + "," + nianji[j] + "," + xueke[k] + "," + version[l]))
                //                {
                //                    combine.Add(xueduan[i] + "," + nianji[j] + "," + xueke[k] + "," + version[l], xueduan[i] + "," + nianji[j] + "," + xueke[k] + "," + version[l]);
                //                    idqueue.Enqueue(xueduan[i] + "," + nianji[j] + "," + xueke[k] + "," + version[l]);
                //                }
                //            }
                //        }
                //    }
                //}

                WriteToLog(idqueue.Count + "----" + combine.Count + "----" + nowid + "----" + url);

            }

            foreach (var item in combine)
            {
                try
                {
                    FileStream file = new FileStream("d://url.txt", FileMode.Append);
                    StreamWriter sw = new StreamWriter(file);
                    sw.WriteLine(string.Format("http://www.91taoke.com/Taocan/taocan_list/id/{0}", item.Value));
                    sw.Close();
                    file.Close();
                }
                catch (Exception)
                {
                }

            }
        }
예제 #11
0
        public string GetPlayHtml(string id,string nid)
        {
            string url = string.Format("http://www.91taoke.com/index.php?m=Taocan&a=taocan_play&id={0}&nid={1}",id ,nid);
            HttpItem item = new HttpItem()
            {
                URL = url,
                Method = "GET",
                IsToLower = false,
                Timeout = 100000,
                ReadWriteTimeout = 60000,
                UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)",
                ContentType = "text/html",
                Allowautoredirect = false,
                ResultType = ResultType.String
            };

            HttpResult result = http.GetHtml(item);
            return result.Html;
        }
예제 #12
0
        //从url获取课程id
        public List<string> GetCousreList(string url)
        {
            List<string> list = new List<string>();
            HttpItem item = new HttpItem()
            {
                URL = url,
                Method = "GET",
                IsToLower = false,
                Timeout = 100000,
                ReadWriteTimeout = 60000,
                UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)",
                ContentType = "text/html",
                Allowautoredirect = false,
                ResultType = ResultType.String
            };

            HttpResult result = http.GetHtml(item);
            string html = result.Html;
            Document doc = NSoupClient.Parse(html);
            try
            {
                Elements uls = doc.GetElementsByClass("xhr_wksp_left");
                if (uls.Count == 0)
                    return list;
                Element ul = uls[0];

                Elements lis = ul.GetElementsByTag("li");

                foreach (Element e in lis)
                {

                    Elements divs = e.GetElementsByClass("xhr_wksp_r_h");
                    if (divs.Count == 0)
                        continue;
                    Element a = divs[0].GetElementsByTag("a")[0];

                    string[] array = a.Attr("href").Split('/');
                    string courseid = array[array.Length - 1];
                    list.Add(courseid);

                }
            }
            catch (Exception)
            {
                return list;
            }
            return list;
        }