/*
* 范围查询，根据所指定的范围对文本进行查询
* */
package query;
import java.io.IOException;
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;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.Hits;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.RangeQuery;
public class Rang_Query {
public Rang_Query(String INDEX_STORE){
try{
IndexWriter writer = new IndexWriter(INDEX_STORE, new StandardAnalyzer(), true);
writer.setUseCompoundFile(false);
//创建3个文档
Document doc1 = new Document();
Document doc2 = new Document();
Document doc3 = new Document();
Field f1 = new Field("bookname", "0000001", Field.Store.YES, Field.Index.TOKENIZED);
Field f2 = new Field("bookname", "0000002", Field.Store.YES, Field.Index.TOKENIZED);
Field f3 = new Field("bookname", "0000003", Field.Store.YES, Field.Index.TOKENIZED);
doc1.add(f1);
doc2.add(f2);
doc3.add(f3);
writer.addDocument(doc1);
writer.addDocument(doc2);
writer.addDocument(doc3);
writer.close();
//检错
IndexSearcher searcher = new IndexSearcher(INDEX_STORE);
//下界
Term begin = new Term("bookname", "0000001");
//上界
Term end = new Term("bookname", "0000003");
RangeQuery query = new RangeQuery(begin, end, false);
Hits hits =searcher.search(query);
for(int i = 0; i < hits.length(); i++){
System.out.println(hits.doc(i));
}
}catch(IOException e){
e.printStackTrace();
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
Rang_Query rq = new Rang_Query("E:\\Lucene项目\\索引文件");
}
}范围搜索
原文：http://blog.csdn.net/u012965373/article/details/44654613
