1.TermQuery:
Java代码
package
com.
lucene .search;
import java.io.File;
import java.io.IOException;
import org.apache.
lucene .analysis.standard.StandardAnalyzer;
import org.apache.
lucene .
index .Term;
import org.apache.
lucene .queryParser.ParseException;
import org.apache.
lucene .queryParser.QueryParser;
import org.apache.
lucene .search.Hits;
import org.apache.
lucene .search.IndexSearcher;
import org.apache.
lucene .search.Query;
import org.apache.
lucene .search.TermQuery;
import org.apache.
lucene .
store .Directory;
import org.apache.
lucene .
store .FSDirectory;
public
class TermQuerySearcher {
public
static
void main(String[] args)
throws IOException, ParseException {
File indexDir =
new File(
"C:\\test\\
index
" );
Directory fsDir = FSDirectory.getDirectory(indexDir);
IndexSearcher searcher =
new IndexSearcher(fsDir);
String q =
"ERROR" ;
Term t =
new Term(
"contents" , q.toLowerCase());
Query query =
new TermQuery(t);
// QueryParser parser = new QueryParser("contents", new StandardAnalyzer());
// Query query = parser.parse(q);
Hits hits = searcher.search(query);
System.out.println(
"共有" + searcher.maxDoc() +
"条索引,命中" + hits.length() +
"条" );
for (
int i=
0 ; i<hits.length(); i++) {
int DocId = hits.id(i);
String DocPath = hits.doc(i).get(
"filename" );
System.out.println(DocId +
":" + DocPath);
}
}
}
2.RangeQuery:
Java代码
package com.
lucene .search;
import java.io.File;
import java.io.IOException;
import org.apache.
lucene .analysis.standard.StandardAnalyzer;
import org.apache.
lucene .
index .Term;
import org.apache.
lucene .queryParser.ParseException;
import org.apache.
lucene .queryParser.QueryParser;
import org.apache.
lucene .search.Hits;
import org.apache.
lucene .search.IndexSearcher;
import org.apache.
lucene .search.Query;
import org.apache.
lucene .search.RangeQuery;
import org.apache.
lucene .
store .Directory;
import org.apache.
lucene .
store .FSDirectory;
public
class RangeQuerySearcher {
public
static
void main(String[] args)
throws IOException, ParseException {
File indexDir =
new File(
"C:\\test\\
index
" );
Directory fsDir = FSDirectory.getDirectory(indexDir);
IndexSearcher searcher =
new IndexSearcher(fsDir);
String b =
"2007" ;
String e =
"2008" ;
Term begin =
new Term(
"contents" , b);
Term end =
new Term(
"contents" , e);
RangeQuery query =
new RangeQuery(begin, end,
true );
// QueryParser parser = new QueryParser("contents", new StandardAnalyzer());
// Query query = parser.parse("[2007 TO 2008]");
Hits hits = searcher.search(query);
System.out.println(
"共有" + searcher.maxDoc() +
"条索引,命中" + hits.length() +
"条" );
for (
int i=
0 ; i<hits.length(); i++) {
int DocId = hits.id(i);
String DocPath = hits.doc(i).get(
"filename" );
System.out.println(DocId +
":" + DocPath);
}
}
}
3.BooleanQuery:
Java代码
package com.
lucene .search;
import java.io.File;
import java.io.IOException;
import org.apache.
lucene .analysis.standard.StandardAnalyzer;
import org.apache.
lucene .
index .Term;
import org.apache.
lucene .queryParser.ParseException;
import org.apache.
lucene .queryParser.QueryParser;
import org.apache.
lucene .search.BooleanClause;
import org.apache.
lucene .search.BooleanQuery;
import org.apache.
lucene .search.Hits;
import org.apache.
lucene .search.IndexSearcher;
import org.apache.
lucene .search.Query;
import org.apache.
lucene .search.RangeQuery;
import org.apache.
lucene .search.TermQuery;
import org.apache.
lucene .
store .Directory;
import org.apache.
lucene .
store .FSDirectory;
public
class BooleanQuerySearcher {
public
static
void main(String[] args)
throws IOException, ParseException {
File indexDir =
new File(
"C:\\test\\
index
" );
Directory fsDir = FSDirectory.getDirectory(indexDir);
IndexSearcher searcher =
new IndexSearcher(fsDir);
Query tq =
new TermQuery(
new Term(
"contents" ,
"ERROR" .toLowerCase()));
RangeQuery rq =
new RangeQuery(
new Term(
"contents" ,
"2007" ),
new Term(
"contents" ,
"2008" ),
true );
BooleanQuery query =
new BooleanQuery();
query.add(tq, BooleanClause.Occur.MUST);
query.add(rq, BooleanClause.Occur.MUST);
// QueryParser parser = new QueryParser("contents", new StandardAnalyzer());
// Query query = parser.parse("error AND [2007 TO 2008]");
Hits hits = searcher.search(query);
System.out.println(
"共有" + searcher.maxDoc() +
"条索引,命中" + hits.length() +
"条" );
for (
int i=
0 ; i<hits.length(); i++) {
int DocId = hits.id(i);
String DocPath = hits.doc(i).get(
"filename" );
System.out.println(DocId +
":" + DocPath);
}
}
}
4.PrefixQuery PrefixQuery前缀搜索
Java代码
package com.
lucene .search;
import java.io.File;
import java.io.IOException;
import org.apache.
lucene .analysis.standard.StandardAnalyzer;
import org.apache.
lucene .
index .Term;
import org.apache.
lucene .queryParser.ParseException;
import org.apache.
lucene .queryParser.QueryParser;
import org.apache.
lucene .search.Hits;
import org.apache.
lucene .search.IndexSearcher;
import org.apache.
lucene .search.PrefixQuery;
import org.apache.
lucene .search.Query;
import org.apache.
lucene .
store .Directory;
import org.apache.
lucene .
store .FSDirectory;
public
class PrefixQuerySearcher {
public
static
void main(String[] args)
throws IOException, ParseException {
File indexDir =
new File(
"C:\\test\\
index
" );
Directory fsDir = FSDirectory.getDirectory(indexDir);
IndexSearcher searcher =
new IndexSearcher(fsDir);
String q =
"20" ;
Term t =
new Term(
"contents" , q.toLowerCase());
PrefixQuery query =
new PrefixQuery(t);
// QueryParser parser = new QueryParser("contents", new StandardAnalyzer());
// Query query = parser.parse(q + "*");
Hits hits = searcher.search(query);
System.out.println(
"共有" + searcher.maxDoc() +
"条索引,命中" + hits.length() +
"条" );
for (
int i=
0 ; i<hits.length(); i++) {
int DocId = hits.id(i);
String DocPath = hits.doc(i).get(
"filename" );
System.out.println(DocId +
":" + DocPath);
}
}
}
5.PhraseQuery PhraseQuery短语搜索
Java代码
package com.
lucene .search;
import java.io.File;
import java.io.IOException;
import org.apache.
lucene .
index .Term;
import org.apache.
lucene .search.Hits;
import org.apache.
lucene .search.IndexSearcher;
import org.apache.
lucene .search.PhraseQuery;
import org.apache.
lucene .
store .Directory;
import org.apache.
lucene .
store .FSDirectory;
public
class PhraseQuerySearcher {
public
static
void main(String[] args)
throws IOException {
File indexDir =
new File(
"C:\\test\\
index
" );
Directory fsDir = FSDirectory.getDirectory(indexDir);
IndexSearcher searcher =
new IndexSearcher(fsDir);
String[] phrase = {
"ERROR" .toLowerCase(),
"TEST" .toLowerCase()};
PhraseQuery query =
new PhraseQuery();
query.setSlop(
1 );
for (
int i =
0 ; i < phrase.length; i++) {
query.add(
new Term(
"contents" , phrase
));
}
Hits hits = searcher.search(query);
System.out.println("共有" + searcher.maxDoc() + "条索引,命中" + hits.length() + "条" );
for (int i=0 ; i<hits.length(); i++) {
int DocId = hits.id(i);
String DocPath = hits.doc(i).get("filename" );
System.out.println(DocId + ":" + DocPath);
}
}
}
6.WildcardQuery
Java代码
package com.lucene .search;
import java.io.File;
import java.io.IOException;
import org.apache.lucene .analysis.standard.StandardAnalyzer;
import org.apache.lucene .index .Term;
import org.apache.lucene .queryParser.ParseException;
import org.apache.lucene .queryParser.QueryParser;
import org.apache.lucene .search.Hits;
import org.apache.lucene .search.IndexSearcher;
import org.apache.lucene .search.Query;
import org.apache.lucene .search.WildcardQuery;
import org.apache.lucene .store .Directory;
import org.apache.lucene .store .FSDirectory;
public class WildcardQuerySearcher {
//通配符查询
public static void main(String[] args) throws IOException, ParseException {
File indexDir = new File("C:\\test\\ index " );
Directory fsDir = FSDirectory.getDirectory(indexDir);
IndexSearcher searcher = new IndexSearcher(fsDir);
Query query = new WildcardQuery(new Term("contents" , "?ER*" .toLowerCase()));
//====================================================================================
// QueryParser parser = new QueryParser("contents", new StandardAnalyzer());
// Query query = parser.parse("?ER*".toLowerCase());
//====================================================================================
Hits hits = searcher.search(query);
System.out.println("共有" + searcher.maxDoc() + "条索引,命中" + hits.length() + "条" );
for (int i=0 ; i<hits.length(); i++) {
int DocId = hits.id(i);
String DocPath = hits.doc(i).get("filename" );
System.out.println(DocId + ":" + DocPath);
}
}
}
7.FuzzyQuery
Java代码
package com.lucene .search;
import java.io.File;
import java.io.IOException;
import org.apache.lucene .analysis.standard.StandardAnalyzer;
import org.apache.lucene .index .Term;
import org.apache.lucene .queryParser.ParseException;
import org.apache.lucene .queryParser.QueryParser;
import org.apache.lucene .search.FuzzyQuery;
import org.apache.lucene .search.Hits;
import org.apache.lucene .search.IndexSearcher;
import org.apache.lucene .search.Query;
import org.apache.lucene .store .Directory;
import org.apache.lucene .store .FSDirectory;
//模糊查询查出相近的词
public class FuzzyQuerySearcher {
public static void main(String[] args) throws IOException, ParseException {
File indexDir = new File("C:\\test\\ index " );
Directory fsDir = FSDirectory.getDirectory(indexDir);
IndexSearcher searcher = new IndexSearcher(fsDir);
Query query = new FuzzyQuery(new Term("contents" , "XERRORX" .toLowerCase()));
//QueryParser parser = new QueryParser("contents", new StandardAnalyzer());
//Query query = parser.parse("ERROR~".toLowerCase());
Hits hits = searcher.search(query);
System.out.println("共有" + searcher.maxDoc() + "条索引,命中" + hits.length() + "条" );
for (int i=0 ; i<hits.length(); i++) {
int DocId = hits.id(i);
String DocPath = hits.doc(i).get("filename" );
System.out.println(DocId + ":" + DocPath);
}
}