static void Main(string[] args)

        {

            //写入数据到索引

            Analyzer analyzer = new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_30);

            Directory directory = new RAMDirectory();

            IndexWriter.MaxFieldLength maxFieldLength = new IndexWriter.MaxFieldLength();

            using (IndexWriter writer = new IndexWriter(directory, analyzer, maxFieldLength))

            {

                Document document1 = new Document();

                document1.Add(new Field("Sentence", "刘备", Field.Store.YES, Field.Index.ANALYZED));

                writer.AddDocument(document1);

                Document document2 = new Document();

                document2.Add(new Field("Sentence", "张飞", Field.Store.YES, Field.Index.ANALYZED));

                writer.AddDocument(document2);

                Document document3 = new Document();

                document3.Add(new Field("Sentence", "关羽", Field.Store.YES, Field.Index.ANALYZED));

                writer.AddDocument(document3);

                writer.Optimize();

            }

            //查找

            using (IndexSearcher searcher = new IndexSearcher(directory))

            {

                Term t = new Term("Sentence", "飞");

                Query query = new TermQuery(t);

                TopDocs docs = searcher.Search(query, null, );

                Console.WriteLine(docs.TotalHits);

                Console.WriteLine(docs.ScoreDocs[].Doc);

                Document doc = searcher.Doc(docs.ScoreDocs[].Doc);

                Console.WriteLine(doc.Get("Sentence"));

            }

            Console.ReadKey();

        }