@SuppressWarnings("resource")
public static void main(String[] args) throws CorruptIndexException, Exception {
// Lucene Document的域名
String fieldName = "text";
// 检索内容
String text = "的数据库的设计可怜的";
// 实例化IKAnalyzer分词器
Analyzer analyzer = new IKAnalyzer();
Directory directory = FSDirectory.open(new File("D:/luce/index"));
IndexWriter iwriter = null;
IndexReader ireader = null;
IndexSearcher isearcher = null;
// 建立内存索引对象
// directory = new RAMDirectory();
// 配置IndexWriterConfig
IndexWriterConfig iwConfig = new IndexWriterConfig(Version.LUCENE_34, analyzer);
iwConfig.setOpenMode(OpenMode.CREATE_OR_APPEND);
iwriter = new IndexWriter(directory, iwConfig);
// 写入索引
Document doc = new Document();
doc.add(new Field("ID", "10000", Field.Store.YES, Field.Index.NOT_ANALYZED));
doc.add(new Field(fieldName, text, Field.Store.YES, Field.Index.ANALYZED));
iwriter.addDocument(doc);
iwriter.close();
// 搜索过程********************************** //实例化搜索器
ireader = IndexReader.open(directory);
isearcher = new IndexSearcher(ireader);
String keyword = "dsfdjksjflkds";
// 使用QueryParser查询分析器构造Query对象
QueryParser qp = new QueryParser(Version.LUCENE_34, fieldName, analyzer);
qp.setDefaultOperator(QueryParser.AND_OPERATOR);
Query query = qp.parse(keyword);
// 搜索相似度最高的5条记录
TopDocs topDocs = isearcher.search(query, 5);
System.out.println("命中：" + topDocs.totalHits);
// 输出结果
ScoreDoc[] scoreDocs = topDocs.scoreDocs;
for (int i = 0; i < topDocs.totalHits; i++) {
Document targetDoc = isearcher.doc(scoreDocs[i].doc);
System.out.println("内容：" + targetDoc.toString());
// System.out.println(scoreDocs[i].);
}
}
