Lucene 文本搜索 .

import java.io.File;

import java.io.IOException;

import java.util.Date;

import org.apache.lucene.document.Document;

import org.apache.lucene.index.Term;

import org.apache.lucene.search.IndexSearcher;

import org.apache.lucene.search.Query;

import org.apache.lucene.search.ScoreDoc;

import org.apache.lucene.search.TermQuery;

import org.apache.lucene.store.Directory;

import org.apache.lucene.store.FSDirectory;

public class IndexSearch {

 private String INDEX_STORE_PATH = "d:\\LuceneDemo";//注意，此处的PATH为你的索引在磁盘中的存放位置

 public void search(){

  try{

   Directory directory = FSDirectory.open(new File(INDEX_STORE_PATH));//建立库，导入索引

      System.out.println("使用索引搜索");

      IndexSearcher searcher = new IndexSearcher(directory);//初始化搜索的类，在Lucene中

      Term t = new Term("publisher","测试关键字搜索");//构建搜索初始化元

      Query q = new TermQuery(t);

      Date begin = new Date();//建立时间，以便显示搜索用时

      ScoreDoc[] hits = searcher.search(q,null,1000).scoreDocs;//将搜索到的资源放入数组

      System.out.println("共找到 " + hits.length + " 个文档符合条件");

      for (int i = 0; i < hits.length; i++){

       Document doc = new Document();//遍历资源

       doc = searcher.doc(hits[i].doc);

       System.out.print("文件名为: ");

       System.out.print(doc.get("title"));

       System.out.print(".");

       System.out.println(doc.get("kind"));

       System.out.print("地址为 : ");

       System.out.println(doc.get("url"));

       System.out.print("描述: ");

       System.out.println(doc.get("describe"));

       System.out.print("scores is :");

       System.out.println(hits[i].score);

       System.out.print("作者为:");

       System.out.println(doc.get("author"));

       System.out.println("---------------------------------------------------");

      }

      Date end = new Date();

      long time = end.getTime()-begin.getTime();

      System.out.print("搜索用时 " + time + "ms");

  }catch(IOException x){

   x.printStackTrace();

  }

 }

 

 public static void main(String [] args){

  IndexSearch search = new IndexSearch();

  search.search();//测试

 }

}