问带C#的Lucene搜索项

EN

  var fields = new[] { "Locality", "SubLocality", "Administrative_level_1", "Administrative_level_2", "Administrative_level_3" };    
               var queryParser = new MultiFieldQueryParser(Version.LUCENE_30, fields, analyzer);             
               var query = queryParser.Parse(searchQuery);
               var hits = searcher.Search
                (query, null, hits_limit, Sort.RELEVANCE).ScoreDocs;
                var results = _mapLuceneToDataList(hits, searcher);
                analyzer.Close();
                searcher.Dispose();
                return results;