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- /**
- * 创建索引
- * @param path
- */
- public void createIndex(String path){
- try {
- IndexWriter writer = new IndexWriter(path,new StandardAnalyzer(),true);
- Document docA = new Document();
- //相当于数据库中列的概念,因此第一个参数是列名,第二个参数是列的值,最后两个参数是enum类型的(JDK1.5),对创建的索引的设置
- //Field.Store 是否覆盖原来的索引文件,而不是重新建一个
- Field fieldA = new Field("content","搜索引擎",Field.Store.YES,Field.Index.TOKENIZED);
- //我们把列(fieldA)加到某一行(docA)中
- docA.add(fieldA);
-
- docA.add(new Field("title","你好中国",Field.Store.YES,Field.Index.TOKENIZED));
- docA.add(new Field("content","欢迎你llying",Field.Store.YES,Field.Index.TOKENIZED));
- docA.add(new Field("lastModifyTime","2008-9-17",Field.Store.YES,Field.Index.TOKENIZED));
- docA.add(new Field("testCapital","HelloWangzi",Field.Store.YES,Field.Index.TOKENIZED));
- docA.add(new Field("testAndOr","test and",Field.Store.YES,Field.Index.TOKENIZED));
-
- Document docB = new Document();
- //相当于数据库中列的概念,因此第一个参数是列名,第二个参数是列的值,最后两个参数是enum类型的(JDK1.5),对创建的索引的设置
- Field fieldB = new Field("content","创建索引",Field.Store.YES,Field.Index.TOKENIZED);
- //我们把列(fieldA)加到某一行(docA)中
- docB.add(fieldB);
- docB.add(new Field("title","你好世界",Field.Store.YES,Field.Index.TOKENIZED));
- docB.add(new Field("content","欢迎加入jee高级开发群46176507",Field.Store.YES,Field.Index.TOKENIZED));
- docB.add(new Field("lastModifyTime","2008-9-6",Field.Store.YES,Field.Index.TOKENIZED));
- docB.add(new Field("testCapital","hellowangZi",Field.Store.YES,Field.Index.TOKENIZED));
- docB.add(new Field("testAndOr","test or",Field.Store.YES,Field.Index.TOKENIZED));
-
- writer.addDocument(docA);
- writer.addDocument(docB);
-
- //如果对海量数据进行创建索引的时候,需要对索引进行优化,以便提高速度
- writer.optimize();
-
- //跟数据库类似,打开一个连接,使用完后,要关闭它
- writer.close();
- } catch (CorruptIndexException e) {
- e.printStackTrace();
- } catch (LockObtainFailedException e) {
- e.printStackTrace();
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
-
-
- public Wrapper searchDigitalBook(final PageExtNative page){
- return (Wrapper) this.baseDao.execute(new HibernateCallback(){
- public Object doInHibernate(Session session) throws HibernateException, SQLException{
- // 将SESSION转换成lucence session,执行全文检索
- FullTextSession fullSession = Search.getFullTextSession(session);
- //Map<String, String> search = page.getMSearch();
- StringBuffer searchQuery = new StringBuffer();
- Wrapper wrap = null;
- Query luceneQuery = null;
-
- QueryParser parser = new QueryParser("dboSourceName", new StandardAnalyzer());
- try {
- searchQuery.append("( dboSourceName:").append(page.getMSearch().get("contantion"));//书名
- searchQuery.append(" OR dboAuthor:").append(page.getMSearch().get("contantion"));//作者
- searchQuery.append(" OR dboSummary:").append(page.getMSearch().get("contantion"));//摘要
- searchQuery.append(" OR dboKeyword:").append(page.getMSearch().get("contantion"));//关键词
- searchQuery.append(") AND ddbId:").append(page.getMSearch().get("ddbId"));//资源库ID
-
- luceneQuery = parser.parse(searchQuery.toString());
- FullTextQuery query = fullSession.createFullTextQuery(luceneQuery, DigitalBookDetail.class);
- //总记录数
- int size = query.getResultSize();
- query.setFirstResult(page.getStart());
- query.setMaxResults(page.getLimit());
- List<DigitalBookDetail> books = query.list();
- wrap = new Wrapper(books,String.valueOf(size));
- } catch (ParseException e) {
- e.printStackTrace();
- }
- return wrap;
- }
- });
- }
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