Ejemplo n.º 1
0
        static CrawlerManager()
        {
            httpHelper = new HttpHelper();
            item = new HttpItem();

            mCanAttemper = true;
            MaxThreads = 30;
        }
Ejemplo n.º 2
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)
     {
         if (ex.Response != null)
         {
             using (response = (HttpWebResponse)ex.Response)
             {
                 GetData(item, result);
             }
         }
         else
         {
             result.Html = ex.Message;
         }
     }
     catch (Exception ex)
     {
         result.Html = ex.Message;
     }
     if (item.IsToLower) result.Html = result.Html.ToLower();
     return result;
 }
Ejemplo n.º 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 (!string.IsNullOrWhiteSpace(item.Host))
     {
         request.Host = item.Host;
     }
     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;
 }
Ejemplo n.º 4
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.IsNullOrWhiteSpace(item.ProxyIp))
     {
         isIeProxy = item.ProxyIp.ToLower().Contains("ieproxy");
     }
     if (!string.IsNullOrWhiteSpace(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;
     }
 }
Ejemplo n.º 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("get"))
     {
         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.IsNullOrWhiteSpace(item.Postdata))
         {
             StreamReader r = new StreamReader(item.Postdata, postencoding);
             buffer = postencoding.GetBytes(r.ReadToEnd());
             r.Close();
         } //写入字符串
         else if (!string.IsNullOrWhiteSpace(item.Postdata))
         {
             buffer = postencoding.GetBytes(item.Postdata);
         }
         if (buffer != null)
         {
             request.ContentLength = buffer.Length;
             request.GetRequestStream().Write(buffer, 0, buffer.Length);
         }
     }
 }
Ejemplo n.º 6
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);
             }
         }
     }
 }
Ejemplo n.º 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);
     }
 }
Ejemplo n.º 8
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);
         }
     }
 }
Ejemplo n.º 9
0
 /// <summary>
 /// 设置证书
 /// </summary>
 /// <param name="item"></param>
 private void SetCer(HttpItem item)
 {
     if (!string.IsNullOrWhiteSpace(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);
     }
 }
Ejemplo n.º 10
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
        }
Ejemplo n.º 11
0
 /// <summary>
 /// 设置代理
 /// </summary>
 /// <param name="item">参数对象</param>
 private void SetProxy(HttpItem item)
 {
     if (!string.IsNullOrWhiteSpace(item.ProxyIp))
     {
         //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;
         }
         request.Credentials = CredentialCache.DefaultCredentials;
     }
     else if (item.WebProxy != null)
     {
         request.Proxy = item.WebProxy;
     }
 }
Ejemplo n.º 12
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)
     {
         return new HttpResult() { Cookie = string.Empty, Header = null, Html = ex.Message, StatusDescription = "配置参数时出错:" + ex.Message };
     }
     try
     {
         #region 得到请求的response
         using (response = (HttpWebResponse)request.GetResponse())
         {
             result.StatusCode = response.StatusCode;
             result.StatusDescription = response.StatusDescription;
             result.Header = response.Headers;
             if (response.Cookies != null) result.CookieCollection = response.Cookies;
             if (response.Headers["set-cookie"] != null) result.Cookie = response.Headers["set-cookie"];
             byte[] ResponseByte = null;
             using (MemoryStream _stream = new MemoryStream())
             {
                 //GZIIP处理
                 if (response.ContentEncoding != null && response.ContentEncoding.Equals("gzip", StringComparison.InvariantCultureIgnoreCase))
                 {
                     //开始读取流并设置编码方式
                     new GZipStream(response.GetResponseStream(), CompressionMode.Decompress).CopyTo(_stream, 10240);
                 }
                 else
                 {
                     //开始读取流并设置编码方式
                     response.GetResponseStream().CopyTo(_stream, 10240);
                 }
                 //获取Byte
                 ResponseByte = _stream.ToArray();
             }
             if (ResponseByte != null & ResponseByte.Length > 0)
             {
                 //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 = (meta.Groups.Count > 1) ? meta.Groups[2].Value.ToLower().Trim() : string.Empty;
                     if (c.Length > 2)
                     {
                         try
                         {
                             if (c.IndexOf(" ") > 0) c = c.Substring(0, c.IndexOf(" "));
                             encoding = Encoding.GetEncoding(c.Replace("\"", "").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);
                     }
                 }
                 //得到返回的HTML
                 result.Html = encoding.GetString(ResponseByte);
             }
             else
             {
                 //得到返回的HTML
                 result.Html = "本次请求并未返回任何数据";
             }
         }
         #endregion
     }
     catch (WebException ex)
     {
         //这里是在发生异常时返回的错误信息
         response = (HttpWebResponse)ex.Response;
         result.Html = ex.Message;
         if (response != null)
         {
             result.StatusCode = response.StatusCode;
             result.StatusDescription = response.StatusDescription;
         }
     }
     catch (Exception ex)
     {
         result.Html = ex.Message;
     }
     if (item.IsToLower) result.Html = result.Html.ToLower();
     return result;
 }
Ejemplo n.º 13
0
 private static string GetHtml(string url)
 {
     HttpHelper http = new HttpHelper();
     HttpItem item = new HttpItem()
     {
         URL = url,// "http://www.shgtj.gov.cn/2011/gcjsxx/xmxx/ghxzyj/",//URL     必需项
         Method = "get",//URL     可选项 默认为Get
         IsToLower = false,//得到的HTML代码是否转成小写     可选项默认转小写
         Cookie = "",//字符串Cookie     可选项
         Referer = "",//来源URL     可选项
         Postdata = "",//Post数据     可选项GET时不需要写
         Timeout = 100000,//连接超时时间     可选项默认为100000
         ReadWriteTimeout = 30000,//写入Post数据超时时间     可选项默认为30000
         UserAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)",//用户的浏览器类型,版本,操作系统     可选项有默认值
         ContentType = "text/html",//返回类型    可选项有默认值
         Allowautoredirect = false,//是否根据301跳转     可选项
         //CerPath = "d:\123.cer",//证书绝对路径     可选项不需要证书时可以不写这个参数
         //Connectionlimit = 1024,//最大连接数     可选项 默认为1024
         ProxyIp = "",//代理服务器ID     可选项 不需要代理 时可以不设置这三个参数
         //ProxyPwd = "123456",//代理服务器密码     可选项
         //ProxyUserName = "******",//代理服务器账户名     可选项
         ResultType = ResultType.String
     };
     HttpResult result = http.GetHtml(item);
     return result.Html;
 }
Ejemplo n.º 14
0
        /// <summary>
        /// 获取有权限的门禁列表
        /// </summary>
        /// <param name="row"></param>
        /// <returns></returns>
        private string GetDoorList(DataRow row)
        {
            #region 获取基本传参
            string CommID = string.Empty;
            if (row.Table.Columns.Contains("CommID"))
            {
                CommID = row["CommID"].ToString();
            }
            string RoomID = string.Empty;
            if (row.Table.Columns.Contains("RoomID"))
            {
                RoomID = row["RoomID"].ToString();
            }
            #endregion
            #region 获取小区配置和房间配置
            Tb_Community tb_Community = GetCommunityByCommID(CommID);
            if (null == tb_Community)
            {
                return(new ApiResult(false, "未配置该小区").toJson());
            }
            string erpConnStr = GetConnectionStr(tb_Community);
            LiLingEntranceConfig lilingEntranceConfig = null;
            dynamic RoomConfig = null;
            using (IDbConnection conn = new SqlConnection(erpConnStr))
            {
                dynamic Config = conn.QueryFirstOrDefault("SELECT * FROM Tb_LiLing_Entrance_Config WHERE CommID = @CommID", new { CommID });
                if (null == Config)
                {
                    return(new ApiResult(false, "该小区未配置门禁信息").toJson());
                }
                try
                {
                    lilingEntranceConfig = JsonConvert.DeserializeObject <LiLingEntranceConfig>(Convert.ToString(Config.Config));
                }
                catch (Exception)
                {
                    return(new ApiResult(false, "门禁配置信息有误").toJson());
                }
                if (null == lilingEntranceConfig)
                {
                    return(new ApiResult(false, "门禁配置信息为空").toJson());
                }
                RoomConfig = conn.QueryFirstOrDefault("SELECT CallNum,BlueNum,QRCodeNum FROM Tb_LiLing_Entrance_Room WHERE CommID = @CommID AND RoomID = @RoomID", new { CommID, RoomID });
                if (null == RoomConfig)
                {
                    return(new ApiResult(false, "房间权限配置信息为空").toJson());
                }
            }
            string SERVER_URL      = lilingEntranceConfig.ServerUrl;
            string CLIENT_USERNAME = lilingEntranceConfig.ClientUserName;
            string CLIENT_OSTYPE   = lilingEntranceConfig.ClientOSType;
            string CLIENT_ID       = lilingEntranceConfig.ClientID;
            string CLIENT_SECRET   = lilingEntranceConfig.ClientSecret;
            #endregion

            #region 获取AccessToken
            string access_token = string.Empty;
            string sessionId    = string.Empty;
            string Cookie       = string.Empty;
            try
            {
                string     param = $"client_id={CLIENT_ID}&client_secret={CLIENT_SECRET}&grant_type=client_credentials&userName={CLIENT_USERNAME}&osType={CLIENT_OSTYPE}";
                HttpHelper http  = new HttpHelper();
                HttpItem   item  = new HttpItem()
                {
                    URL              = SERVER_URL + "/rest/accesstoken/getAccessToken", //URL     必需项
                    Method           = "POST",                                          //URL     可选项 默认为Get
                    Timeout          = 3000,                                            //连接超时时间     可选项默认为100000
                    ReadWriteTimeout = 3000,                                            //写入Post数据超时时间     可选项默认为30000
                    IsToLower        = false,                                           //得到的HTML代码是否转成小写     可选项默认转小写
                    ContentType      = "application/x-www-form-urlencoded",
                    PostEncoding     = Encoding.UTF8,
                    Cookie           = Cookie,
                    Postdata         = param,                 //Post数据     可选项GET时不需要写
                    ResultType       = ResultType.String,     //返回数据类型,是Byte还是String
                    ProtocolVersion  = HttpVersion.Version11, //获取或设置用于请求的 HTTP 版本。默认为 System.Net.HttpVersion.Version11
                };
                HttpResult result = http.GetHtml(item);
                JObject    jObj   = JsonConvert.DeserializeObject <JObject>(result.Html);
                if (!"1".Equals(jObj["code"].ToString()) || !"success".Equals(jObj["state"].ToString()))
                {
                    GetLog().Debug("LiLingEntrance:获取AccessToken失败:" + JsonConvert.SerializeObject(jObj));
                    return(new ApiResult(false, "获取AccessToken失败,请重试").toJson());
                }
                access_token = (string)jObj["access_token"];
                sessionId    = (string)jObj["sessionId"];
                Cookie       = $"JSESSIONID={sessionId}";
            }
            catch (Exception ex)
            {
                GetLog().Error(ex.Message + Environment.CommandLine + ex.StackTrace);
                return(new ApiResult(false, "获取AccessToken异常,请重试").toJson());
            }
            #endregion

            #region 获取本项目蓝牙门禁信息
            string        neigh_no = lilingEntranceConfig.NeighStructure;
            List <string> DoorList = new List <string>();
            try
            {
                string     param = $"access_token={access_token}&neigh_no={neigh_no}";
                HttpHelper http  = new HttpHelper();
                HttpItem   item  = new HttpItem()
                {
                    URL              = SERVER_URL + "/rest/api/third/getDoorList", //URL     必需项
                    Method           = "POST",                                     //URL     可选项 默认为Get
                    Timeout          = 3000,                                       //连接超时时间     可选项默认为100000
                    ReadWriteTimeout = 3000,                                       //写入Post数据超时时间     可选项默认为30000
                    IsToLower        = false,                                      //得到的HTML代码是否转成小写     可选项默认转小写
                    ContentType      = "application/x-www-form-urlencoded",
                    PostEncoding     = Encoding.UTF8,
                    Cookie           = Cookie,
                    Postdata         = param,                 //Post数据     可选项GET时不需要写
                    ResultType       = ResultType.String,     //返回数据类型,是Byte还是String
                    ProtocolVersion  = HttpVersion.Version11, //获取或设置用于请求的 HTTP 版本。默认为 System.Net.HttpVersion.Version11
                };
                HttpResult result = http.GetHtml(item);
                JObject    jObj   = JsonConvert.DeserializeObject <JObject>(result.Html);
                if (!"1".Equals(jObj["code"].ToString()) || !"success".Equals(jObj["state"].ToString()))
                {
                    GetLog().Debug("LiLingEntrance:获取小区门禁列表失败:" + JsonConvert.SerializeObject(jObj));
                    return(new ApiResult(false, "获取小区门禁列表失败,请重试").toJson());
                }
                JArray door_list = (JArray)jObj["door_list"];
                if (null != door_list)
                {
                    foreach (JObject door in door_list)
                    {
                        DoorList.Add(door["door_name"].ToString());
                    }
                }
            }
            catch (Exception ex)
            {
                GetLog().Error(ex.Message + Environment.CommandLine + ex.StackTrace);
                return(new ApiResult(false, "获取小区门禁列表异常,请重试").toJson());
            }
            #endregion

            return(new ApiResult(true, new { RoomConfig = RoomConfig, DoorList = DoorList }).toJson());
        }
Ejemplo n.º 15
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);
     if (item.IPEndPoint != null)
     {
         _IPEndPoint = item.IPEndPoint;
         //设置本地的出口ip和端口
         request.ServicePoint.BindIPEndPointDelegate = new BindIPEndPoint(BindIPEndPointCallback);
     }
     //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 (!string.IsNullOrWhiteSpace(item.Host))
     {
         request.Host = item.Host;
     }
     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;
     }
 }
Ejemplo n.º 16
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)
            {
                return(new HttpResult()
                {
                    Cookie = string.Empty, Header = null, Html = ex.Message, StatusDescription = "配置参数时出错:" + ex.Message
                });
            }
            try
            {
                #region 得到请求的response
                using (response = (HttpWebResponse)request.GetResponse())
                {
                    result.StatusCode        = response.StatusCode;
                    result.StatusDescription = response.StatusDescription;
                    result.Header            = response.Headers;
                    if (response.Cookies != null)
                    {
                        result.CookieCollection = response.Cookies;
                    }
                    if (response.Headers["set-cookie"] != null)
                    {
                        result.Cookie = response.Headers["set-cookie"];
                    }
                    byte[] ResponseByte = null;
                    using (MemoryStream _stream = new MemoryStream())
                    {
                        //GZIIP处理
                        if (response.ContentEncoding != null && response.ContentEncoding.Equals("gzip", StringComparison.InvariantCultureIgnoreCase))
                        {
                            //开始读取流并设置编码方式
                            new GZipStream(response.GetResponseStream(), CompressionMode.Decompress).CopyTo(_stream, 10240);
                        }
                        else
                        {
                            //开始读取流并设置编码方式
                            response.GetResponseStream().CopyTo(_stream, 10240);
                        }
                        //获取Byte
                        ResponseByte = _stream.ToArray();
                    }
                    if (ResponseByte != null & ResponseByte.Length > 0)
                    {
                        //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    = (meta.Groups.Count > 1) ? meta.Groups[2].Value.ToLower().Trim() : string.Empty;
                            if (c.Length > 2)
                            {
                                try
                                {
                                    if (c.IndexOf(" ") > 0)
                                    {
                                        c = c.Substring(0, c.IndexOf(" "));
                                    }
                                    encoding = Encoding.GetEncoding(c.Replace("\"", "").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);
                                }
                            }
                        }
                        //得到返回的HTML
                        result.Html = encoding.GetString(ResponseByte);
                    }
                    else
                    {
                        //得到返回的HTML
                        result.Html = "本次请求并未返回任何数据";
                    }
                }
                #endregion
            }
            catch (WebException ex)
            {
                //这里是在发生异常时返回的错误信息
                response    = (HttpWebResponse)ex.Response;
                result.Html = ex.Message;
                if (response != null)
                {
                    result.StatusCode        = response.StatusCode;
                    result.StatusDescription = response.StatusDescription;
                }
            }
            catch (Exception ex)
            {
                result.Html = ex.Message;
            }
            if (item.IsToLower)
            {
                result.Html = result.Html.ToLower();
            }
            return(result);
        }