自定义Lucene.net搜索结果

第一次我使用lucene.net。它工作正常。我用jcb geo关键字搜索数据，结果即将到来。我的第一个结果是与JCB关键字相关，并且接下来的几个数据将与GEO关键字一起提供。我只是不明白为什么JCB会进入顶峰。另一方面，最大的结果与GEO有关。我认为GEO的相关数据应该在顶端，然后JCB应该到来。自定义Lucene.net搜索结果

这里我给我用来搜索的代码。

 string multiWordPhrase = ""; 
     multiWordPhrase = txtSearch.Text.Trim().Replace("*", "").Replace("?", "").Replace("~", ""); 
     IndexSearcher searcher = null; 
     List<SearchResult> list = new List<SearchResult>(); 
     SearchResult oSr = null; 

     if (!string.IsNullOrEmpty(multiWordPhrase)) 
     { 
      string[] fieldList = { "Title", "Description", "Url" }; 
      List<BooleanClause.Occur> occurs = new List<BooleanClause.Occur>(); 
      foreach (string field in fieldList) 
      { 
       occurs.Add(BooleanClause.Occur.SHOULD); 
      } 

      searcher = new IndexSearcher(_directory, false); 
      Query qry = MultiFieldQueryParser.Parse(Version.LUCENE_29, multiWordPhrase, fieldList, occurs.ToArray(), new StandardAnalyzer(Version.LUCENE_29)); 
      TopDocs topDocs = searcher.Search(qry, null, ((PageIndex + 1) * PageSize), Sort.RELEVANCE); 
      ScoreDoc[] scoreDocs = topDocs.ScoreDocs; 
      int resultsCount = topDocs.TotalHits; 

      if (topDocs != null) 
      { 
       for (int i = (PageIndex * PageSize); i <= ((PageIndex + 1) * PageSize) && i < topDocs.ScoreDocs.Length; i++) 
       { 
        Document doc = searcher.Doc(topDocs.ScoreDocs[i].doc); 
        oSr = new SearchResult(); 
        oSr.ID = doc.Get("ID"); 
        oSr.Title = doc.Get("Title"); 
        oSr.Description = doc.Get("Description"); 
        //oSr.WordCount = AllExtension.WordCount(oSr.Description, WordExist(oSr.Title, multiWordPhrase)); 
        string preview = 
        oSr.Description = AllExtension.HighlightKeywords(oSr.Description, multiWordPhrase); //sr.Description; 
        oSr.Url = doc.Get("Url"); 
        list.Add(oSr); 
       } 
      } 
      lblMatchFound.Text = "Match Found " + resultsCount.ToString(); 

      Pagination pagination = new Pagination(); 
      pagination.BaseUrl = "/Search.aspx"; 
      pagination.TotalRows = resultsCount; 
      pagination.CurPage = (PageIndex+1); 
      pagination.PerPage = PageSize; 
      pagination.PrevLink = "Prev"; 
      pagination.NextLink = "Next"; 
      pagination.SearchTerm = multiWordPhrase; 
      lblPager.Text = pagination.GetPageLinks(); ; 

      rptResult.DataSource = list; 
      rptResult.DataBind(); 
      searcher.Close();

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