首页 > Web开发 > 详细

Lucene.net 《第一篇》

时间:2014-03-26 17:52:42      阅读:481      评论:0      收藏:0      [点我收藏+]

  Lucene.net是java平台搜索插件Lucene的移植版。它的主要用于开发搜索引擎,站内搜索等。

  开篇之前,写个最简单的DEMO,让自己先体验下Lucene.net的魅力,顺便搭建环境。

bubuko.com,布布扣
        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(10000);

            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", "");
                Query query = new TermQuery(t);
                TopDocs docs = searcher.Search(query, null, 1000);
                Console.WriteLine(docs.TotalHits);
                Console.WriteLine(docs.ScoreDocs[0].Doc);
                Document doc = searcher.Doc(docs.ScoreDocs[0].Doc);
                Console.WriteLine(doc.Get("Sentence"));
            }
            Console.ReadKey();
        }
bubuko.com,布布扣

  以上示例输出如下:

  bubuko.com,布布扣

Lucene.net 《第一篇》,布布扣,bubuko.com

Lucene.net 《第一篇》

原文:http://www.cnblogs.com/kissdodog/p/3625988.html

(0)
(0)
   
举报
评论 一句话评论(0
关于我们 - 联系我们 - 留言反馈 - 联系我们:wmxa8@hotmail.com
© 2014 bubuko.com 版权所有
打开技术之扣,分享程序人生!