1.创建项目(lucene)

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2.创建SearchIndex类,包名(com.zhishang.lucene)

package com.zhishang.lucene;import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.queryparser.classic.ParseException;
import org.apache.lucene.queryparser.classic.QueryParser;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.ScoreDoc;
import org.apache.lucene.search.TopDocs;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.FSDirectory;
import org.apache.lucene.util.Version;
import org.junit.Test;import java.io.File;
import java.io.IOException;/*** Created by Administrator on 2017/7/7.*/
public class SearchIndex {@Testpublic void search(){Directory dir = null;try {dir = FSDirectory.open(new File(CreateIndex.indexDir));IndexReader reader = DirectoryReader.open(dir);IndexSearcher searcher = new IndexSearcher(reader);QueryParser qp = new QueryParser(Version.LUCENE_4_9,"content",new StandardAnalyzer(Version.LUCENE_4_9));Query query = qp.parse("form");TopDocs search = searcher.search(query,10);ScoreDoc[] scoreDocs = search.scoreDocs;for (ScoreDoc sc:scoreDocs){int docId = sc.doc;Document document = reader.document(docId);System.out.println(document.get("filename"));}
;        } catch (IOException e) {e.printStackTrace();} catch (ParseException e) {e.printStackTrace();}}
}


3.运行测试函数search

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