首页 > 代码库 > Lucene创建索引
Lucene创建索引
1.创建Java项目(lucene)
2.创建CreateIndex类,包名(com.zhishang.lucenc)
package com.zhishang.lucene; import org.apache.commons.io.FileUtils; import org.apache.lucene.analysis.Analyzer; import org.apache.lucene.analysis.standard.StandardAnalyzer; import org.apache.lucene.document.*; import org.apache.lucene.index.IndexWriter; import org.apache.lucene.index.IndexWriterConfig; import org.apache.lucene.store.Directory; import org.apache.lucene.store.FSDirectory; import org.apache.lucene.util.Version; import org.junit.Test; import java.io.File; import java.io.IOException; /** * Created by Administrator on 2017/7/7. */ public class CreateIndex { public static final String indexDir = "G:/index"; public static final String dataDir = "G:/data"; @Test public void createIndex(){ try { Directory dir = FSDirectory.open(new File(indexDir)); //分词器 Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_4_9); IndexWriterConfig config = new IndexWriterConfig(Version.LUCENE_4_9,analyzer); config.setOpenMode(IndexWriterConfig.OpenMode.CREATE_OR_APPEND); IndexWriter writer = new IndexWriter(dir,config); File file = new File(dataDir); File[] files = file.listFiles(); for(File f:files){ Document doc = new Document(); doc.add(new StringField("filename",f.getName(), Field.Store.YES)); doc.add(new TextField("content", FileUtils.readFileToString(f),Field.Store.YES)); doc.add(new LongField("lastmodify",f.lastModified(), Field.Store.YES)); writer.addDocument(doc); } writer.close(); } catch (IOException e) { e.printStackTrace(); } } }
3.运行CreateIndex函数,查看G:/index下生成的文件
本文出自 “素颜” 博客,请务必保留此出处http://suyanzhu.blog.51cto.com/8050189/1945345
Lucene创建索引
声明:以上内容来自用户投稿及互联网公开渠道收集整理发布,本网站不拥有所有权,未作人工编辑处理,也不承担相关法律责任,若内容有误或涉及侵权可进行投诉: 投诉/举报 工作人员会在5个工作日内联系你,一经查实,本站将立刻删除涉嫌侵权内容。