public class HttpHelper
{
#region 預定義方變量
//默認的編碼
private Encoding _encoding = Encoding.Default;
//Post數據編碼
private Encoding _postencoding = Encoding.Default;
//HttpWebRequest對象用來發起請求
private HttpWebRequest _request = null;
//獲取影響流的數據對象
private HttpWebResponse _response = null;
//設置本地的出口ip和端口
private IPEndPoint _ipEndPoint = null;
#endregion
#region Public
/// <summary>
/// 根據相傳入的數據，得到相應頁面數據
/// </summary>
/// <param name="item">參數類對象</param>
/// <returns>返回HttpResult類型</returns>
public HttpResult GetHtml(HttpItem item)
{
//返回參數
HttpResult result = new HttpResult();
try
{
//准備參數
SetRequest(item);
}
catch (Exception ex)
{
result.Cookie = string.Empty;
result.Header = null;
result.Html = ex.Message;
result.StatusDescription = "配置參數時出錯：" + ex.Message;
//配置參數時出錯
return result;
}
try
{
//請求數據
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;
}
#endregion
#region GetData
/// <summary>
/// 獲取數據的並解析的方法
/// </summary>
/// <param name="item"></param>
/// <param name="result"></param>
private void GetData(HttpItem item, HttpResult result)
{
#region base
//獲取StatusCode
result.StatusCode = _response.StatusCode;
//獲取StatusDescription
result.StatusDescription = _response.StatusDescription;
//獲取最后訪問的URl
result.ResponseUri = _response.ResponseUri.ToString();
//獲取Headers
result.Header = _response.Headers;
//獲取CookieCollection
if (_response.Cookies != null) result.CookieCollection = _response.Cookies;
//獲取set-cookie
if (_response.Headers["set-cookie"] != null) result.Cookie = _response.Headers["set-cookie"];
#endregion
#region byte
//處理網頁Byte
byte[] responseByte = GetByte();
#endregion
#region Html
if (responseByte != null && responseByte.Length > 0)
{
//設置編碼
SetEncoding(item, result, responseByte);
//得到返回的HTML
result.Html = _encoding.GetString(responseByte);
}
else
{
//沒有返回任何Html代碼
result.Html = string.Empty;
}
#endregion
}
/// <summary>
/// 設置編碼
/// </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類型數據
if (item.ResultType == ResultType.Byte) result.ResultByte = responseByte;
//從這里開始我們要無視編碼了
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
{
_encoding = string.IsNullOrEmpty(_response.CharacterSet) ? Encoding.UTF8 : Encoding.GetEncoding(_response.CharacterSet);
}
}
else
{
_encoding = string.IsNullOrEmpty(_response.CharacterSet) ? Encoding.UTF8 : Encoding.GetEncoding(_response.CharacterSet);
}
}
}
/// <summary>
/// 提取網頁Byte
/// </summary>
/// <returns></returns>
private byte[] GetByte()
{
byte[] responseByte = null;
MemoryStream stream;
//GZIIP處理
if (_response.ContentEncoding != null && _response.ContentEncoding.Equals("gzip", StringComparison.InvariantCultureIgnoreCase))
{
//開始讀取流並設置編碼方式
stream = GetMemoryStream(new GZipStream(_response.GetResponseStream(), CompressionMode.Decompress));
}
else
{
//開始讀取流並設置編碼方式
stream = GetMemoryStream(_response.GetResponseStream());
}
//獲取Byte
responseByte = stream.ToArray();
stream.Close();
return responseByte;
}
/// <summary>
/// 4.0以下.net版本取數據使用
/// </summary>
/// <param name="streamResponse">流</param>
private MemoryStream GetMemoryStream(Stream streamResponse)
{
MemoryStream stream = new MemoryStream();
int Length = 256;
Byte[] buffer = new Byte[Length];
int bytesRead = streamResponse.Read(buffer, 0, Length);
while (bytesRead > 0)
{
stream.Write(buffer, 0, bytesRead);
bytesRead = streamResponse.Read(buffer, 0, Length);
}
return stream;
}
#endregion
#region SetRequest
/// <summary>
/// 為請求准備參數
/// </summary>
///<param name="item">參數列表</param>
private void SetRequest(HttpItem item)
{
// 驗證證書
SetCer(item);
if (item.IPEndPoint != null)
{
_ipEndPoint = item.IPEndPoint;
//設置本地的出口ip和端口
_request.ServicePoint.BindIPEndPointDelegate = new BindIPEndPoint(BindIPEndPointCallback);
}
//設置Header參數
if (item.Header != null && item.Header.Count > 0)
{
foreach (string key in item.Header.AllKeys)
{
_request.Headers.Add(key, item.Header[key]);
}
}
// 設置代理
SetProxy(item);
if (item.ProtocolVersion != null)
{
//獲取或設置用於請求的 HTTP 版本
_request.ProtocolVersion = item.ProtocolVersion;
}
//獲取或設置一個 System.Boolean 值，該值確定是否使用 100-Continue 行為
_request.ServicePoint.Expect100Continue = item.Expect100Continue;
//請求方式Get或者Post
_request.Method = item.Method;
//請求超時時間
_request.Timeout = item.Timeout;
//是否建立永久鏈接
_request.KeepAlive = item.KeepAlive;
//寫入數據超時時間
_request.ReadWriteTimeout = item.ReadWriteTimeout;
if (item.IfModifiedSince != null)
{
//獲取或設置 If-Modified-Since HTTP 標頭的值
_request.IfModifiedSince = Convert.ToDateTime(item.IfModifiedSince);
}
//Accept
_request.Accept = item.Accept;
//ContentType返回類型
_request.ContentType = item.ContentType;
//UserAgent客戶端的訪問類型，包括瀏覽器版本和操作系統信息
_request.UserAgent = item.UserAgent;
// 編碼
_encoding = item.Encoding;
//設置安全憑證
_request.Credentials = item.ICredentials;
//設置Cookie
SetCookie(item);
//來源地址
_request.Referer = item.Referer;
//是否執行跳轉功能
_request.AllowAutoRedirect = item.Allowautoredirect;
if (item.MaximumAutomaticRedirections > 0)
{
//獲取或設置請求將跟隨的重定向的最大數目
_request.MaximumAutomaticRedirections = item.MaximumAutomaticRedirections;
}
//設置Post數據
SetPostData(item);
//設置最大連接
if (item.Connectionlimit > 0)
{
//獲取或設置此 System.Net.ServicePoint 對象上允許的最大連接數
_request.ServicePoint.ConnectionLimit = item.Connectionlimit;
}
}
/// <summary>
/// 設置證書
/// </summary>
/// <param name="item"></param>
private void SetCer(HttpItem item)
{
if (!string.IsNullOrEmpty(item.CerPath))
{
//這一句一定要寫在創建連接的前面。使用回調的方法進行證書驗證。
ServicePointManager.ServerCertificateValidationCallback = new System.Net.Security.RemoteCertificateValidationCallback(CheckValidationResult);
//初始化對像，並設置請求的URL地址
_request = (HttpWebRequest)WebRequest.Create(item.Url);
SetCerList(item);
//將證書添加到請求里
_request.ClientCertificates.Add(new X509Certificate(item.CerPath));
}
else
{
//初始化對像，並設置請求的URL地址
_request = (HttpWebRequest)WebRequest.Create(item.Url);
SetCerList(item);
}
}
/// <summary>
/// 設置多個證書
/// </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);
}
}
}
/// <summary>
/// 設置Cookie
/// </summary>
/// <param name="item">Http參數</param>
private void SetCookie(HttpItem item)
{
if (!string.IsNullOrEmpty(item.Cookie)) _request.Headers[HttpRequestHeader.Cookie] = item.Cookie;
//設置CookieCollection
if (item.ResultCookieType == ResultCookieType.CookieCollection)
{
_request.CookieContainer = new CookieContainer();
if (item.CookieCollection != null && item.CookieCollection.Count > 0)
_request.CookieContainer.Add(item.CookieCollection);
}
}
/// <summary>
/// 設置Post數據
/// </summary>
/// <param name="item">Http參數</param>
private void SetPostData(HttpItem item)
{
//驗證在得到結果時是否有傳入數據
if (!_request.Method.Trim().ToLower().Contains("get"))
{
if (item.PostEncoding != null)
{
_postencoding = item.PostEncoding;
}
byte[] buffer = null;
//寫入Byte類型
if (item.PostDataType == PostDataType.Byte && item.PostdataByte != null && item.PostdataByte.Length > 0)
{
//驗證在得到結果時是否有傳入數據
buffer = item.PostdataByte;
}//寫入文件
else if (item.PostDataType == PostDataType.FilePath && !string.IsNullOrEmpty(item.Postdata))
{
StreamReader r = new StreamReader(item.Postdata, _postencoding);
buffer = _postencoding.GetBytes(r.ReadToEnd());
r.Close();
} //寫入字符串
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);
}
else
{
_request.ContentLength = 0;
}
}
}
/// <summary>
/// 設置代理
/// </summary>
/// <param name="item">參數對象</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)
{
//設置代理服務器
if (item.ProxyIp.Contains(":"))
{
string[] plist = item.ProxyIp.Split(':');
WebProxy myProxy = new WebProxy(plist[0].Trim(), Convert.ToInt32(plist[1].Trim()))
{
//建議連接
Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd)
};
//給當前請求對象
_request.Proxy = myProxy;
}
else
{
WebProxy myProxy = new WebProxy(item.ProxyIp, false)
{
//建議連接
Credentials = new NetworkCredential(item.ProxyUserName, item.ProxyPwd)
};
//給當前請求對象
_request.Proxy = myProxy;
}
}
else if (isIeProxy)
{
//設置為IE代理
}
else
{
_request.Proxy = item.WebProxy;
}
}
#endregion
#region private main
/// <summary>
/// 回調驗證證書問題
/// </summary>
/// <param name="sender">流對象</param>
/// <param name="certificate">證書</param>
/// <param name="chain">X509Chain</param>
/// <param name="errors">SslPolicyErrors</param>
/// <returns>bool</returns>
private bool CheckValidationResult(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors errors) { return true; }
/// <summary>
/// 通過設置這個屬性，可以在發出連接的時候綁定客戶端發出連接所使用的IP地址。
/// </summary>
/// <param name="servicePoint"></param>
/// <param name="remoteEndPoint"></param>
/// <param name="retryCount"></param>
/// <returns></returns>
private IPEndPoint BindIPEndPointCallback(ServicePoint servicePoint, IPEndPoint remoteEndPoint, int retryCount)
{
return _ipEndPoint;//端口號
}
#endregion
}
/// <summary>
/// Http請求參考類
/// </summary>
public class HttpItem
{
private string _url = string.Empty;
/// <summary>
/// 請求URL必須填寫
/// </summary>
public string Url
{
get { return _url; }
set { _url = value; }
}
private string _method = "GET";
/// <summary>
/// 請求方式默認為GET方式,當為POST方式時必須設置Postdata的值
/// </summary>
public string Method
{
get { return _method; }
set { _method = value; }
}
private int _timeout = 90 * 1000;
/// <summary>
/// 默認請求超時時間，默認90秒
/// </summary>
public int Timeout
{
get { return _timeout; }
set { _timeout = value; }
}
private int _readWriteTimeout = 60 * 1000;
/// <summary>
/// 默認寫入Post數據超時間，默認60秒
/// </summary>
public int ReadWriteTimeout
{
get { return _readWriteTimeout; }
set { _readWriteTimeout = value; }
}
private Boolean _keepAlive = true;
/// <summary>
/// 獲取或設置一個值，該值指示是否與 Internet 資源建立持久性連接默認為true。
/// </summary>
public Boolean KeepAlive
{
get { return _keepAlive; }
set { _keepAlive = value; }
}
private string _accept = "text/html, application/xhtml+xml, */*";
/// <summary>
/// 請求標頭值，默認為text/html, application/xhtml+xml, */*
/// <para>1、application/json</para>
/// </summary>
public string Accept
{
get { return _accept; }
set { _accept = value; }
}
private string _contentType = "text/html";
/// <summary>
/// 請求返回類型，默認為text/html
/// <para>1、application/x-www-form-urlencoded；最常見的 POST 提交數據的方式</para>
/// <para>2、multipart/form-data；主要用於上傳文件</para>
/// <para>3、application/json；服務端消息主體是序列化后的 JSON 字符串</para>
/// <para>4、text/xml</para>
/// </summary>
public string ContentType
{
get { return _contentType; }
set { _contentType = value; }
}
private string _userAgent = "Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)";
/// <summary>
/// 客戶端訪問信息默認Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
/// 解讀：MSIE 8.0代表IE8, Windows NT 6.1 對應操作系統 windows 7
/// <para>1、IE各個版本典型的UserAgent如下：</para>
/// <para>Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.0)</para>
/// <para>Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2)</para>
/// <para>Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1)</para>
/// <para>Mozilla/4.0 (compatible; MSIE 5.0; Windows NT)</para>
/// <para>2、Firefox的UserAgent如下： </para>
/// <para>Mozilla/5.0 (Windows; U; Windows NT 5.2) Gecko/2008070208 Firefox/3.0.1</para>
/// <para>Mozilla/5.0 (Windows; U; Windows NT 5.1) Gecko/20070309 Firefox/2.0.0.3</para>
/// <para>Mozilla/5.0 (Windows; U; Windows NT 5.1) Gecko/20070803 Firefox/1.5.0.12</para>
/// <para>解讀：N: 表示無安全加密 I: 表示弱安全加密 U: 表示強安全加密</para>
/// <para>3、Opera典型的UserAgent如下：</para>
/// <para>Opera/9.27 (Windows NT 5.2; U; zh-cn)</para>
/// <para>Opera/8.0 (Macintosh; PPC Mac OS X; U; en)</para>
/// <para>Mozilla/5.0 (Macintosh; PPC Mac OS X; U; en) Opera 8.0 </para>
/// <para>4、Safari典型的UserAgent如下：</para>
/// <para>Mozilla/5.0 (Windows; U; Windows NT 5.2) AppleWebKit/525.13 (KHTML, like Gecko) Version/3.1 Safari/525.13</para>
/// <para>Mozilla/5.0 (iPhone; U; CPU like Mac OS X) AppleWebKit/420.1 (KHTML, like Gecko) Version/3.0 Mobile/4A93 Safari/419.3</para>
/// <para>5、Chrome的UserAgent如下：</para>
/// <para>Mozilla/5.0 (Windows; U; Windows NT 5.2) AppleWebKit/525.13 (KHTML, like Gecko) Chrome/0.2.149.27 Safari/525.13 </para>
/// <para>6、Navigator的UserAgent如下：</para>
/// <para>Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.12) Gecko/20080219 Firefox/2.0.0.12 Navigator/9.0.0.6</para>
/// <para>7、安卓 原生瀏覽器</para>
/// <para>Mozilla/5.0 (Linux; U; Android 4.0.3; zh-cn; M032 Build/IML74K) AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30</para>
/// <para>8、iPhone Safria</para>
/// <para>Mozilla/5.0 (iPhone; CPU iPhone OS 5_1_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B206 Safari/7534.48.3</para>
/// <para>9、塞班 自帶瀏覽器</para>
/// <para>Nokia5320/04.13 (SymbianOS/9.3; U; Series60/3.2 Mozilla/5.0; Profile/MIDP-2.1 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML, like Gecko) Safari/413</para>
/// </summary>
public string UserAgent
{
get { return _userAgent; }
set { _userAgent = value; }
}
private Encoding _encoding = null;
/// <summary>
/// 返回數據編碼默認為NUll,可以自動識別,一般為utf-8,gbk,gb2312
/// </summary>
public Encoding Encoding
{
get { return _encoding; }
set { _encoding = value; }
}
private PostDataType _postDataType = PostDataType.String;
/// <summary>
/// Post的數據類型
/// </summary>
public PostDataType PostDataType
{
get { return _postDataType; }
set { _postDataType = value; }
}
private string _postdata = string.Empty;
/// <summary>
/// Post請求時要發送的字符串Post數據
/// </summary>
public string Postdata
{
get { return _postdata; }
set { _postdata = value; }
}
private byte[] _postdataByte = null;
/// <summary>
/// Post請求時要發送的Byte類型的Post數據
/// </summary>
public byte[] PostdataByte
{
get { return _postdataByte; }
set { _postdataByte = value; }
}
private WebProxy _webProxy;
/// <summary>
/// 設置代理對象，不想使用IE默認配置就設置為Null，而且不要設置ProxyIp
/// </summary>
public WebProxy WebProxy
{
get { return _webProxy; }
set { _webProxy = value; }
}
private CookieCollection _cookiecollection = null;
/// <summary>
/// Cookie對象集合
/// </summary>
public CookieCollection CookieCollection
{
get { return _cookiecollection; }
set { _cookiecollection = value; }
}
private string _cookie = string.Empty;
/// <summary>
/// 請求時的Cookie
/// </summary>
public string Cookie
{
get { return _cookie; }
set { _cookie = value; }
}
private string _referer = string.Empty;
/// <summary>
/// 來源地址，上次訪問地址
/// </summary>
public string Referer
{
get { return _referer; }
set { _referer = value; }
}
private string _cerPath = string.Empty;
/// <summary>
/// 證書絕對路徑
/// </summary>
public string CerPath
{
get { return _cerPath; }
set { _cerPath = value; }
}
private Boolean _isToLower = false;
/// <summary>
/// 是否設置為全文小寫，默認為不轉化
/// </summary>
public Boolean IsToLower
{
get { return _isToLower; }
set { _isToLower = value; }
}
private Boolean _allowautoredirect = false;
/// <summary>
/// 支持跳轉頁面，查詢結果將是跳轉后的頁面，默認是不跳轉
/// </summary>
public Boolean Allowautoredirect
{
get { return _allowautoredirect; }
set { _allowautoredirect = value; }
}
private int _connectionlimit = 1024;
/// <summary>
/// 最大連接數
/// </summary>
public int Connectionlimit
{
get { return _connectionlimit; }
set { _connectionlimit = value; }
}
private string _proxyusername = string.Empty;
/// <summary>
/// 代理Proxy 服務器用戶名
/// </summary>
public string ProxyUserName
{
get { return _proxyusername; }
set { _proxyusername = value; }
}
private string _proxypwd = string.Empty;
/// <summary>
/// 代理 服務器密碼
/// </summary>
public string ProxyPwd
{
get { return _proxypwd; }
set { _proxypwd = value; }
}
private string _proxyip = string.Empty;
/// <summary>
/// 代理 服務IP ,如果要使用IE代理就設置為ieproxy
/// </summary>
public string ProxyIp
{
get { return _proxyip; }
set { _proxyip = value; }
}
private ResultType _resulttype = ResultType.String;
/// <summary>
/// 設置返回類型String和Byte
/// </summary>
public ResultType ResultType
{
get { return _resulttype; }
set { _resulttype = value; }
}
private WebHeaderCollection _header = new WebHeaderCollection();
/// <summary>
/// header對象
/// </summary>
public WebHeaderCollection Header
{
get { return _header; }
set { _header = value; }
}
private Version _protocolVersion = System.Net.HttpVersion.Version11;
/// <summary>
// 獲取或設置用於請求的 HTTP 版本。返回結果:用於請求的 HTTP 版本。默認為 System.Net.HttpVersion.Version11。
/// </summary>
public Version ProtocolVersion
{
get { return _protocolVersion; }
set { _protocolVersion = value; }
}
private Boolean _expect100Continue = false;
/// <summary>
/// 獲取或設置一個 System.Boolean 值，該值確定是否使用 100-Continue 行為。如果 POST 請求需要 100-Continue 響應，則為 true；否則為 false。默認值為 true。
/// </summary>
public Boolean Expect100Continue
{
get { return _expect100Continue; }
set { _expect100Continue = value; }
}
private X509CertificateCollection _clentCertificates;
/// <summary>
/// 設置509證書集合
/// </summary>
public X509CertificateCollection ClentCertificates
{
get { return _clentCertificates; }
set { _clentCertificates = value; }
}
private Encoding _postEncoding = Encoding.Default;
/// <summary>
/// 設置或獲取Post參數編碼,默認的為Default編碼
/// </summary>
public Encoding PostEncoding
{
get { return _postEncoding; }
set { _postEncoding = value; }
}
private ResultCookieType _resultCookieType = ResultCookieType.String;
/// <summary>
/// Cookie返回類型,默認的是只返回字符串類型
/// </summary>
public ResultCookieType ResultCookieType
{
get { return _resultCookieType; }
set { _resultCookieType = value; }
}
private ICredentials _iCredentials = CredentialCache.DefaultCredentials;
/// <summary>
/// 獲取或設置請求的身份驗證信息。
/// </summary>
public ICredentials ICredentials
{
get { return _iCredentials; }
set { _iCredentials = value; }
}
/// <summary>
/// 設置請求將跟隨的重定向的最大數目
/// </summary>
private int _maximumAutomaticRedirections;
public int MaximumAutomaticRedirections
{
get { return _maximumAutomaticRedirections; }
set { _maximumAutomaticRedirections = value; }
}
private DateTime? _ifModifiedSince = null;
/// <summary>
/// 獲取和設置IfModifiedSince，默認為當前日期和時間
/// </summary>
public DateTime? IfModifiedSince
{
get { return _ifModifiedSince; }
set { _ifModifiedSince = value; }
}
#region ip-port
private IPEndPoint _ipEndPoint = null;
/// <summary>
/// 設置本地的出口ip和端口
/// </summary>]
/// <example>
///item.IPEndPoint = new IPEndPoint(IPAddress.Parse("192.168.1.1"),80);
/// </example>
public IPEndPoint IPEndPoint
{
get { return _ipEndPoint; }
set { _ipEndPoint = value; }
}
#endregion
}
/// <summary>
/// Http返回參數類
/// </summary>
public class HttpResult
{
private string _cookie;
/// <summary>
/// Http請求返回的Cookie
/// </summary>
public string Cookie
{
get { return _cookie; }
set { _cookie = value; }
}
private CookieCollection _cookieCollection;
/// <summary>
/// Cookie對象集合
/// </summary>
public CookieCollection CookieCollection
{
get { return _cookieCollection; }
set { _cookieCollection = value; }
}
private string _html = string.Empty;
/// <summary>
/// 返回的String類型數據 只有ResultType.String時才返回數據，其它情況為空
/// </summary>
public string Html
{
get { return _html; }
set { _html = value; }
}
private byte[] _resultByte;
/// <summary>
/// 返回的Byte數組 只有ResultType.Byte時才返回數據，其它情況為空
/// </summary>
public byte[] ResultByte
{
get { return _resultByte; }
set { _resultByte = value; }
}
private WebHeaderCollection _header;
/// <summary>
/// header對象
/// </summary>
public WebHeaderCollection Header
{
get { return _header; }
set { _header = value; }
}
private string _statusDescription;
/// <summary>
/// 返回狀態說明
/// </summary>
public string StatusDescription
{
get { return _statusDescription; }
set { _statusDescription = value; }
}
private HttpStatusCode _statusCode;
/// <summary>
/// 返回狀態碼,默認為OK
/// </summary>
public HttpStatusCode StatusCode
{
get { return _statusCode; }
set { _statusCode = value; }
}
/// <summary>
/// 最后訪問的URl
/// </summary>
public string ResponseUri { get; set; }
/// <summary>
/// 獲取重定向的URl
/// </summary>
public string RedirectUrl
{
get
{
try
{
if (Header != null && Header.Count > 0)
{
string baseurl = Header["location"].ToString().Trim();
string locationurl = baseurl.ToLower();
if (!string.IsNullOrWhiteSpace(locationurl))
{
bool b = locationurl.StartsWith("http://") || locationurl.StartsWith("https://");
if (!b)
{
baseurl = new Uri(new Uri(ResponseUri), baseurl).AbsoluteUri;
}
}
return baseurl;
}
}
catch { }
return string.Empty;
}
}
}
/// <summary>
/// 返回類型
/// </summary>
public enum ResultType
{
/// <summary>
/// 表示只返回字符串 只有Html有數據
/// </summary>
String,
/// <summary>
/// 表示返回字符串和字節流 ResultByte和Html都有數據返回
/// </summary>
Byte
}
/// <summary>
/// Post的數據格式默認為string
/// </summary>
public enum PostDataType
{
/// <summary>
/// 字符串類型，這時編碼Encoding可不設置
/// </summary>
String,
/// <summary>
/// Byte類型，需要設置PostdataByte參數的值編碼Encoding可設置為空
/// </summary>
Byte,
/// <summary>
/// 傳文件，Postdata必須設置為文件的絕對路徑，必須設置Encoding的值
/// </summary>
FilePath
}
/// <summary>
/// Cookie返回類型
/// </summary>
public enum ResultCookieType
{
/// <summary>
/// 只返回字符串類型的Cookie
/// </summary>
String,
/// <summary>
/// CookieCollection格式的Cookie集合同時也返回String類型的cookie
/// </summary>
CookieCollection
}
