Lucene.net 基本示例 《第一篇》

　　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。

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", "飞");
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();
}

　　以上示例输出如下：