Ejemplo n.º 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 String GetHtml(String url)
        {
            //返回参数
            HttpResult result = new HttpResult();
            HttpItem item = new HttpItem();
            try
            {

                item.URL = url;
                //准备参数
                SetRequest(item);
            }
            catch (Exception ex)
            {
                //配置参数时出错
                HttpResult errResult = new HttpResult() { Cookie = string.Empty, Header = null, Html = ex.Message, StatusDescription = "配置参数时出错:" + ex.Message };
                return errResult.Html;
            }
            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.Html;
        }
Ejemplo n.º 2
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 3
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
        }