lucene3.5 学习笔记01
最近在看这方面的知识，初学者一起分享
public class LuceneTest { File filePath = new File("D:\\uploadfiles"); File indexPath = new File("D:\\luceneIndex"); //创建分词器 Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_35); //建立索引的配置类，包含了一个解析器 IndexWriterConfig iwc = new IndexWriterConfig(Version.LUCENE_35, analyzer).setOpenMode(OpenMode.CREATE); public void indexMethod(IndexWriter writer, File file) throws Exception{ if(file.isDirectory()){ String[] files = file.list(); for(int i=0;i<files.length;i++){ indexMethod(writer,new File(file,files[i])); } }else{ FileInputStream fis = new FileInputStream(file); Document doc = new Document(); doc.add(new Field("name",file.getName(),Store.YES,Index.ANALYZED));// doc.add(new Field("content",new BufferedReader(new InputStreamReader(fis, "UTF-8")))); doc.add(new Field("content",ToolUtilFile.fileToStringUtil(file),Store.YES,Index.ANALYZED)); doc.add(new Field("size",String.valueOf(file.length()),Store.YES,Index.ANALYZED_NO_NORMS)); doc.add(new Field("path",file.getAbsolutePath(),Store.YES,Index.ANALYZED_NO_NORMS)); writer.addDocument(doc); } } public void searchMethod() throws Exception{ //获取查询 Directory directory = FSDirectory.open(indexPath); IndexReader reader = IndexReader.open(directory); IndexSearcher searcher = new IndexSearcher(reader); //把要搜索的文本解析为Query String queryString = "hello"; String[] fields = {"name","content"}; QueryParser parser = new MultiFieldQueryParser(Version.LUCENE_35, fields, analyzer); Query query = parser.parse(queryString); TopDocs topDocs = searcher.search(query, null, 10000);//topDocs 类似集合 System.out.println("总共有【"+topDocs.totalHits+"】条匹配结果."); //输出 for(ScoreDoc scoreDoc:topDocs.scoreDocs){ int docSn = scoreDoc.doc;//文档内部编号 Document doc = searcher.doc(docSn);//根据文档编号取出相应的文档 File2Document.printDocumentInfo(doc);//打印出文档信息 } } @Testpublic void createIndex() throws Exception{ Directory dir = FSDirectory.open(indexPath); IndexWriter writer = new IndexWriter(dir, iwc); indexMethod(writer,filePath); writer.close();}@Testpublic void searchIndex() throws Exception{searchMethod();}}