?? deletetest.java
字號:
package ch10;
import org.apache.lucene.analysis.standard.*;
import org.apache.lucene.document.*;
import org.apache.lucene.index.*;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.*;
import org.apache.lucene.store.*;
public class DeleteTest {
public static void main (String [] args) throws Exception {
Document doc1 = new Document();
doc1.add(Field.Text("name", "word1 word2 word3"));
Document doc2 = new Document();
doc2.add(Field.Text("name", "word4 word5 word6"));
IndexWriter writer = new IndexWriter("c:\\index", new StandardAnalyzer(), true);
writer.addDocument(doc1);
writer.addDocument(doc2);
writer.close();
IndexReader reader = IndexReader.open("c:\\index");
reader.delete(0);
reader.close();
IndexSearcher searcher = new IndexSearcher("c:\\index");
Query query = null;
Hits hits = null;
query = QueryParser.parse("word1", "name", new StandardAnalyzer());
hits = searcher.search(query);
System.out.println("查找 word1 共" + hits.length() + "個結(jié)果");
query = QueryParser.parse("word4", "name", new StandardAnalyzer());
hits = searcher.search(query);
System.out.println("查找 word4 共" + hits.length() + "個結(jié)果");
}
}
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