lucene入门

itanger

先到
http://www.apache.org/dist/lucene/java/
下载
luce-2.3.2.zip
找到lucene-core-2.3.2.jar,lucene-demos-2.3.2.jar加到Class_path中
就可以使用
下面是具体的使用:
---建立索引目录
package cn.jane.main;
import java.io.File;
import java.io.FileReader;
import java.io.Reader;
import java.util.Date;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.index.IndexWriter;
public class TxtFileIndexer {
public static void main(String[] args) throws Exception{
  //indexDir is the directory that hosts Lucene's index files
        File   indexDir = new File("D:\\luceneIndex"); //***********
        //dataDir is the directory that hosts the text files that to be indexed
        File   dataDir  = new File("D:\\luceneData");  //**************
        Analyzer luceneAnalyzer = new StandardAnalyzer();
        File[] dataFiles  = dataDir.listFiles();
        IndexWriter indexWriter = new IndexWriter(indexDir,luceneAnalyzer,true);
        long startTime = new Date().getTime();
        for(int i = 0; i


---查找的方法
package cn.jane.main;
import java.io.File;
import org.apache.lucene.document.Document;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.Hits;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.store.FSDirectory;
public class TxtFileSearcher {
public static void main(String[] args) throws Exception{
     String queryStr = "lucene";
     //This is the directory that hosts the Lucene index
        File indexDir = new File("D:\\luceneIndex");
        FSDirectory directory = FSDirectory.getDirectory(indexDir,false);
        IndexSearcher searcher = new IndexSearcher(directory);
        if(!indexDir.exists()){
         System.out.println("The Lucene index is not exist");
         return;
        }
        Term term = new Term("contents",queryStr.toLowerCase());
        TermQuery luceneQuery = new TermQuery(term);
        Hits hits = searcher.search(luceneQuery);
        for(int i = 0; i
-----------------基本已经完成


本文来自ChinaUnix博客，如果查看原文请点：http://blog.chinaunix.net/u1/55633/showart_1070747.html