lucene IndexSearcher实现搜索

public static void main(String args[]) throws CorruptIndexException,IOException, ParseException {
        // IndexSearcher是实现搜索的关键
        IndexSearcher searcher = new IndexSearcher(FSDirectory.open(new File("X:/jspublisher/doc/entryindex")), true);
        /*       
         //多条件
            BooleanQuery bQuery = new BooleanQuery();
            Query query1 = null;
            BooleanClause.Occur[] flags = new BooleanClause.Occur[] {BooleanClause.Occur.SHOULD,BooleanClause.Occur.SHOULD};
            query1 = MultiFieldQueryParser.parse(Version.LUCENE_29,"如何", new String[] {"ENTRY_NAME","DESC1"}, flags, new IKAnalyzer());
            bQuery.add(query1, Occur.MUST);
        */
        //模糊查询
       Term term1 = new Term("ENTRY_NAME","数"+"~");
      // Term term1 = new Term("DESC0","goog");
       FuzzyQuery query = new FuzzyQuery(term1,0.1f,1);
      
        //精确匹配
/*        // query代表查询对象
        Query query = null;
        // 查询解析器， 将查询content字段
        QueryParser parser = new QueryParser(Version.LUCENE_29,"DESC", new IKAnalyzer());
        query = parser.parse(queryStr);
        // 搜索结果保存在TopScoreDocCollector.
*/        TopScoreDocCollector c = TopScoreDocCollector.create(100, true);
        // 搜索
        searcher.search(query, c);
   
        // 得到满足条件的文档总数
        System.out.println("总共搜索到 " + c.getTotalHits() + " 个资源。");
        // 得到文档集合
        ScoreDoc[] docs = c.topDocs(0, c.getTotalHits()).scoreDocs;
       
        //存储符合条件的记录 
        int startIndex = 0,endIndex = 10; //startIndex、endIndex做为分页用
       
        ArrayList<String> list=new ArrayList<String>(); 
        for (int i = startIndex;i < endIndex && i < docs.length; i++) {
            Document documents = searcher.doc(i);
            int sum = Integer.parseInt(documents.get("DESC_COUNT"));
            //注解
            for(int a = 0 ;a < sum ;a++ ){
                //Document documentss = searcher.doc(a);
                System.out.println("count_desc--"+documents.get("DESC"+a));
            }
                Document document=searcher.doc(docs[i].doc);
                int did = docs[i].doc;
                String d = String.valueOf(did);
                list.add(d);
                System.out.println("文档id: " + docs[i].doc+" 评分： "+docs[i].score+" 内容： "+document.get("ENTRY_NAME"));
        }
        System.out.println(list);
    }

评论

1 楼 qpshenggui 2011-09-07  

还可以，看看