private string GetNavigate(TNews news)
{
StringBuilder herf = new StringBuilder();
herf.AppendFormat(@"<a href=""{0}"" target=""_blank"">", news.Url);
herf.AppendFormat(@"{0}</a><br>", news.TitleHighLighter);
herf.AppendFormat(@"<font size=-1>{0}</font>", news.Abstract);
herf.AppendFormat(@"<br><font size=-1 color=#008000>{0}</font>", news.Url);
return(herf.ToString());
}
private string GetHerf(TNews news)
{
StringBuilder herf = new StringBuilder();
herf.AppendFormat(@"<a href=""{0}"" target=""_blank"">", news.Url);
herf.AppendFormat(@"{0}</a><br>", news.TitleHighLighter);
herf.AppendFormat(@"<font size=-1>{0}</font>", news.Abstract);
herf.AppendFormat(@"<br><font size=-1 color=#008000>{0} {1}K {2}</font>",
news.Url, news.Content.Length / 1024, news.Time.ToString("yyyy-MM-dd"));
return(herf.ToString());
}
private void GetLine(TNews news, StringBuilder html)
{
html.Append("<div>");
html.Append("<a id=dfs6 href='" + news.Url + "' target='_blank'>");
html.Append("<font size=\"3\">" + news.Title + "</font>");
html.Append("</a><br>");
Uri uri = new Uri(news.Url);
int size = news.Content.Length;
html.AppendFormat(news.Abstract);
html.Append("<br>");
html.AppendFormat(@"<font color=#008000>{0}/ {1} {2}</font>", uri.Host, size, news.Time.ToString("yyyy-M-d"));
}
public ActionResult SaveNews(EnumNewsType newsType, string newsDesc)
{
string Message = string.Empty;
bool Success = true;
try
{
TNews news = _tNewsRepository.GetByType(newsType);
if (news == null)
{
news = new TNews();
news.SetAssignedIdTo(Guid.NewGuid().ToString());
news.NewsDesc = newsDesc;
news.NewsType = newsType.ToString();
news.DataStatus = EnumDataStatus.New.ToString();
news.CreatedBy = User.Identity.Name;
news.CreatedDate = DateTime.Now;
_tNewsRepository.Save(news);
}
else
{
news.NewsDesc = newsDesc;
news.DataStatus = EnumDataStatus.Updated.ToString();
news.ModifiedBy = User.Identity.Name;
news.ModifiedDate = DateTime.Now;
_tNewsRepository.Update(news);
}
Success = true;
Message = "Sukses";
}
catch (Exception ex)
{
Success = false;
Message = "Error :\n" + ex.GetBaseException().Message;
}
var e = new
{
Success,
Message
};
return(Json(e, JsonRequestBehavior.AllowGet));
}
public static List <TNews> Search(String indexDir, String q, int pageLen, int pageNo, out int recCount)
{
string keywords = q;
IndexSearcher search = new IndexSearcher(indexDir);
q = GetKeyWordsSplitBySpace(q, new PanGuTokenizer());
QueryParser queryParser = new QueryParser("contents", new PanGuAnalyzer(true));
Query query = queryParser.Parse(q);
QueryParser titleQueryParser = new QueryParser("title", new PanGuAnalyzer(true));
Query titleQuery = titleQueryParser.Parse(q);
BooleanQuery bq = new BooleanQuery();
bq.Add(query, BooleanClause.Occur.SHOULD);
bq.Add(titleQuery, BooleanClause.Occur.SHOULD);
Hits hits = search.Search(bq);
List <TNews> result = new List <TNews>();
recCount = hits.Length();
int i = (pageNo - 1) * pageLen;
while (i < recCount && result.Count < pageLen)
{
TNews news = null;
try
{
news = new TNews();
news.Title = hits.Doc(i).Get("title");
news.Content = hits.Doc(i).Get("contents");
news.Url = hits.Doc(i).Get("url");
String strTime = hits.Doc(i).Get("time");
news.Time = DateTime.ParseExact(strTime, "yyyyMMdd", null);
PanGu.HighLight.SimpleHTMLFormatter simpleHTMLFormatter =
new PanGu.HighLight.SimpleHTMLFormatter("<font color=\"red\">", "</font>");
PanGu.HighLight.Highlighter highlighter =
new PanGu.HighLight.Highlighter(simpleHTMLFormatter,
new Segment());
highlighter.FragmentSize = 50;
news.Abstract = highlighter.GetBestFragment(keywords, news.Content);
news.TitleHighLighter = highlighter.GetBestFragment(keywords, news.Title);
if (string.IsNullOrEmpty(news.TitleHighLighter))
{
news.TitleHighLighter = news.Title;
}
//// 高亮显示设置
////TermQuery tQuery = new TermQuery(new Term("contents", q));
//SimpleHTMLFormatter simpleHTMLFormatter = new SimpleHTMLFormatter("<font color=\"red\">", "</font>");
//Highlighter highlighter = new Highlighter(simpleHTMLFormatter, new QueryScorer(query));
////关键内容显示大小设置
//highlighter.SetTextFragmenter(new SimpleFragmenter(50));
////取出高亮显示内容
//Lucene.Net.Analysis.KTDictSeg.KTDictSegAnalyzer analyzer = new Lucene.Net.Analysis.KTDictSeg.KTDictSegAnalyzer();
//TokenStream tokenStream = analyzer.TokenStream("contents", new StringReader(news.Content));
//news.Abstract = highlighter.GetBestFragment(tokenStream, news.Content);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
finally
{
result.Add(news);
i++;
}
}
search.Close();
return(result);
}
