lucene 案例 搜索 取值

package com.bw.lucene;

import java.nio.file.Paths;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.DirectoryReader;
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.FSDirectory;

public class TestQuery {
    static String path = "E://lucene";

    public static void main(String[] args) throws Exception {
        //路径
        FSDirectory directory = FSDirectory.open(Paths.get(path));
        DirectoryReader reader = DirectoryReader.open(directory);
        IndexSearcher searcher = new IndexSearcher(reader);
        
        Analyzer analyzer = new StandardAnalyzer();
        //标准分词器   
        //没有业务逻辑 每个都分词一次
        QueryParser parser = new QueryParser("content",analyzer);
        Query query = parser.parse("hadoop");
        TopDocs search = searcher.search(query, 10);
        ScoreDoc[] scoreDocs = search.scoreDocs;
        for (ScoreDoc scoreDoc : scoreDocs) {
            int docID = scoreDoc.doc;
            Document doc = searcher.doc(docID);
            System.out.println(Artical.toAritical(doc));
        }
    }
}