读取chinanews新闻列表及内容

  private  void ReadNews( string uri,  ushort type)
        {
             try
            {
                 string xml = NetHelper.ReadHtml(uri, Encoding.GetEncoding( " gb2312 "));
                XmlDocument doc =  new XmlDocument();
                doc.LoadXml(xml);
                Dictionary< ushort, NewsEntity> newslist =  new Dictionary< ushort, NewsEntity>();
                XmlNodeList list = doc.SelectNodes( " rss/channel/item ");
                 for ( int i =  0; i < list.Count; i++)
                {
                     string title = System.Helpers.XmlHelper.GetChileNode(list[i],  " title ").InnerText.Replace( " (图) ",  "").Replace( " (组图) ",  "").Replace( " （图） ",  "");
                     string link = System.Helpers.XmlHelper.GetChileNode(list[i],  " link ").InnerText;
                     string result =  "";
                     int end =  0;
                     string html = NetHelper.ReadHtml(link, Encoding.Default);
                     int start = html.IndexOf( " <div class=left_zw> ");
                     if (start >  0)
                        end = html.IndexOf( " <!--正文--> ", start);
                    result = html.Substring(start, end - start);

                     int _end =  0;
                     int _start = result.IndexOf( @" <div id=""function_code_page""> ");
                     if (_start >  0)
                        _end = result.IndexOf( " </div> ", _start);
                     string pageStr = result.Substring(_start, _end - _start);

                    result = result.Replace(pageStr,  "");
                    result = Regex.Replace(result,  " \r ",  "", RegexOptions.IgnoreCase);
                    result = Regex.Replace(result,  " \n ",  "", RegexOptions.IgnoreCase);
                    result = Regex.Replace(result,  " <.*?> ",  "", RegexOptions.IgnoreCase);                    
                    result = Regex.Replace(result,  @" &(.{2,6}); ",  "", RegexOptions.IgnoreCase);  
                    result = Regex.Replace(result,  " \r{2,} ",  " \r ", RegexOptions.IgnoreCase);
                    result = Regex.Replace(result,  " \t{2,} ",  " \t ", RegexOptions.IgnoreCase);
                    result = Regex.Replace(result,  @" \s{2,} ",  "", RegexOptions.IgnoreCase);
                    Console.WriteLine(result);
                    result = result.Trim( ' \r ',  ' \n ').TrimEnd();
                     if (! string.IsNullOrEmpty(title) && ! string.IsNullOrEmpty(result))
                    {
                        

                    }
                }
                         

　　　　　　  }
             catch
            {
                

            }

        }

本文转自94cool博客园博客，原文链接：http://www.cnblogs.com/94cool/archive/2011/10/20/2218576.html，如需转载请自行联系原作者