package com.hope.lucene;import org.apache.commons.io.FileUtils;import org.apache.lucene.document.Document;import org.apache.lucene.document.Field;import org.apache.lucene.document.TextField;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.junit.Test;import java.io.File;/** * @author newcityman * @date 2020/1/15 - 0:01 */public class LuceneFirst { @Test public void createIndex() throws Exception{ //1、创建一个Director对象，指定索引库保存的位置 //把索引库保存到磁盘 Directory directory = FSDirectory.open(new File("G:\\workspace_idea3\\lucene\\temp\\index").toPath()); //2、基于Directory对象，创建一个IndexWriter对象 IndexWriter indexWriter = new IndexWriter(directory,new IndexWriterConfig()); //3、读取磁盘上的文件，对应每个文件创建一个文档对象 File file = new File("G:\\workspace_idea3\\lucene\\temp\\searchsource"); File[] files = file.listFiles(); for (File f : files) { //取文件名 String fileName = f.getName(); //取文件路径 String filePath = f.getPath(); //取文件内容 String fileContent = FileUtils.readFileToString(f, "utf-8"); //文件大小 long fileSize = FileUtils.sizeOf(f); //创建Field TextField fieldName = new TextField("name", fileName, Field.Store.YES); TextField fieldPath = new TextField("path", filePath, Field.Store.YES); TextField fieldContent = new TextField("content", fileContent, Field.Store.YES); TextField fieldSize = new TextField("size", fileSize+"", Field.Store.YES); //4、向文档对象中添加Field //创建文档 Document document = new Document(); document.add(fieldName); document.add(fieldPath); document.add(fieldContent); document.add(fieldSize); //5、把文档对象写入到索引库中 indexWriter.addDocument(document); } //6、关闭indexWriter对象 indexWriter.close(); }}
来源：https://www.cnblogs.com/newcityboy/p/12194766.html