如题。求大神帮忙，这边的需求是将中文拆成单个字进行匹配。用过S、andardAnalyzer/JcsegAnalyzer5X效果好差。比如说存有“单车”这个词，如果我以“单”作为条件的话。是无法命中的。除非加了模糊*。但是加了模糊就没办法高亮了。。。。求大神帮忙！搞了几天一直没处理这个问题
给你看我做百度网盘的时候用到lucene做的工具类，
/**
* 索引类
* @author user
*
*/
public class PanIndex {
private Directory dir=null;
private static final String LUCENE_PATH=PropertiesUtil.getValue("lucenePath");
/**
* 获取IndexWriter实例
* @return
* @throws Exception
*/
private IndexWriter getWriter()throws Exception{
dir=FSDirectory.open(Paths.get(LUCENE_PATH));
Analyzer analyzer=new StandardAnalyzer();
IndexWriterConfig iwc=new IndexWriterConfig(analyzer);
IndexWriter writer=new IndexWriter(dir, iwc);
return writer;
}
/**
* 添加Pan索引
* @param jar
*/
public void addIndex(PanBean pan)throws Exception{
IndexWriter writer=getWriter();
Document doc=new Document();
doc.add(new StringField("id",pan.getUuid(),Field.Store.YES));
doc.add(new TextField("name",pan.getName(),Field.Store.YES));
writer.addDocument(doc);
writer.close();
}
/**
* 更新Pan索引
* @param blog
* @throws Exception
*/
public void updateIndex(PanBean pan)throws Exception{
IndexWriter writer=getWriter();
Document doc=new Document();
doc.add(new StringField("id",pan.getUuid(),Field.Store.YES));
doc.add(new TextField("name",pan.getName(),Field.Store.YES));
writer.updateDocument(new Term("id", String.valueOf(pan.getUuid())), doc);
writer.close();
}
/**
* 删除指定Pan的索引
* @param jarId
* @throws Exception
*/
public void deleteIndex(String panId)throws Exception{
IndexWriter writer=getWriter();
writer.deleteDocuments(new Term("id",panId));
writer.forceMergeDeletes(); // 强制删除
writer.commit();
writer.close();
}
/**
* 查询信息
* @param q 查询关键字
* @param n 查询个数
* @return
* @throws Exception
*/
public List<PanBean> searchPan(String q,int n)throws Exception{
dir=FSDirectory.open(Paths.get(LUCENE_PATH));
IndexReader reader = DirectoryReader.open(dir);
IndexSearcher is=new IndexSearcher(reader);
Analyzer analyzer = null;
try {
analyzer=new StandardAnalyzer();
//Analyzer analyzer = new PaodingAnalyzer();
QueryParser parser=new QueryParser("name",analyzer);
Query query=parser.parse(q);
TopDocs hits=is.search(query, n); // 查询n条
QueryScorer scorer=new QueryScorer(query);
Fragmenter fragmenter = new SimpleSpanFragmenter(scorer);
SimpleHTMLFormatter simpleHTMLFormatter=new SimpleHTMLFormatter("<b><font color='red'>","</font></b>");
Highlighter highlighter=new Highlighter(simpleHTMLFormatter, scorer);
highlighter.setTextFragmenter(fragmenter);
List<PanBean> panList=new LinkedList<PanBean>();
for(ScoreDoc scoreDoc:hits.scoreDocs){
Document doc=is.doc(scoreDoc.doc);
PanBean pan=new PanBean();
pan.setUuid(doc.get(("id")));
pan.setType(doc.get("type"));
pan.setSize(doc.get("size"));
String name=doc.get("name");
pan.setName2(name);
if(name!=null){
TokenStream tokenStream = analyzer.tokenStream("name", new StringReader(name));
String hName=highlighter.getBestFragment(tokenStream, name);
if(StringUtil.isEmpty(hName)){
pan.setName(doc.get("name"));
}else{
pan.setName(hName);
}
}
panList.add(pan);
}
return panList;
} catch (Exception e) {
e.printStackTrace();
}finally {
reader.close();
}
return null;
}
/**
* 模糊查询
* @param q 参数
* @param n 查询个数
* @return
* @throws Exception
*/
public List<PanBean> searchMohuPan(String q,int n)throws Exception{
dir=FSDirectory.open(Paths.get(LUCENE_PATH));
IndexReader reader = DirectoryReader.open(dir);
IndexSearcher is=new IndexSearcher(reader);
Analyzer analyzer = null;
try {
analyzer=new StandardAnalyzer();
Query parser=new FuzzyQuery(new Term("name",q+"~"));
//Query query=parser.parse(q);
TopDocs hits=is.search(parser, n); // 查询n条
QueryScorer scorer=new QueryScorer(parser);
Fragmenter fragmenter = new SimpleSpanFragmenter(scorer);
SimpleHTMLFormatter simpleHTMLFormatter=new SimpleHTMLFormatter("<b><font color='red'>","</font></b>");
Highlighter highlighter=new Highlighter(simpleHTMLFormatter, scorer);
highlighter.setTextFragmenter(fragmenter);
List<PanBean> panList=new LinkedList<PanBean>();
for(ScoreDoc scoreDoc:hits.scoreDocs){
Document doc=is.doc(scoreDoc.doc);
PanBean pan=new PanBean();
pan.setUuid(doc.get(("id")));
String name=doc.get("name");
pan.setType(doc.get("type"));
pan.setSize(doc.get("size"));
//pan.setClick(Integer.valueOf(doc.get("click")));
pan.setName2(name);
if(name!=null){
TokenStream tokenStream = analyzer.tokenStream("name", new StringReader(name));
String hName=highlighter.getBestFragment(tokenStream, name);
if(StringUtil.isEmpty(hName)){
pan.setName(doc.get("name"));
}else{
pan.setName(hName);
}
}
panList.add(pan);
}
return panList;
} catch (Exception e) {
e.printStackTrace();
}finally {
analyzer.close();
reader.close();
}
return null;
}
/**
* 查询相关资源 不用html包装
* @param q 参数
* @param n 查询个数
* @return
* @throws Exception
*/
public List<PanBean> searchRelatedPan(String q,int n)throws Exception{
dir=FSDirectory.open(Paths.get(LUCENE_PATH));
IndexReader reader = DirectoryReader.open(dir);
IndexSearcher is=new IndexSearcher(reader);
Analyzer analyzer = null;
try {
analyzer=new StandardAnalyzer();
QueryParser parser=new QueryParser("name",analyzer);
Query query=parser.parse(q);
TopDocs hits=is.search(query, n); // 查询n条
// QueryScorer scorer=new QueryScorer(query);
//Fragmenter fragmenter = new SimpleSpanFragmenter(scorer);
List<PanBean> panList=new LinkedList<PanBean>();
for(ScoreDoc scoreDoc:hits.scoreDocs){
Document doc=is.doc(scoreDoc.doc);
PanBean pan=new PanBean();
pan.setUuid(doc.get(("id")));
String name=doc.get("name");
//pan.setName2(name);
pan.setName(name);
pan.setType(doc.get("type"));
panList.add(pan);
}
return panList;
} catch (Exception e) {
e.printStackTrace();
}finally {
analyzer.close();
reader.close();
}
return null;
}
/**
* 精确查找
* @param q
* @param n
* @return
* @throws Exception
*/
public List<PanBean> searchPanByType(String q,int n)throws Exception{
dir=FSDirectory.open(Paths.get(LUCENE_PATH));
IndexReader reader = DirectoryReader.open(dir);
IndexSearcher is=new IndexSearcher(reader);
try {
Query query=new TermQuery(new Term("type",q));
TopDocs hits=is.search(query, n); // 查询n条
List<PanBean> panList=new LinkedList<PanBean>();
for(ScoreDoc scoreDoc:hits.scoreDocs){
Document doc=is.doc(scoreDoc.doc);
PanBean pan=new PanBean();
pan.setUuid(doc.get(("id")));
pan.setType(doc.get("type"));
pan.setSize(doc.get("size"));
//pan.setClick(GetRandom.getRandomInt(235, 879));
String name=doc.get("name");
pan.setName(name);
panList.add(pan);
}
return panList;
} catch (Exception e) {
e.printStackTrace();
}finally {
reader.close();
}
return null;
}
public static void main(String[] args) throws Exception {
Long start =System.currentTimeMillis();
System.out.println(new PanIndex().searchPanByType("压缩包",100).size());
Long end = System.currentTimeMillis();
System.out.println(end-start);
}
}
我的网站是这个http://www.panpk.com