lucene 搜索 luceneIndexSearcherTopScoreDocCollector
public static void main(String args[]) throws CorruptIndexException,IOException, ParseException {
// IndexSearcher是实现搜索的关键
IndexSearcher searcher = new IndexSearcher(FSDirectory.open(new File("X:/jspublisher/doc/entryindex")), true);
/*
//多条件
BooleanQuery bQuery = new BooleanQuery();
Query query1 = null;
BooleanClause.Occur[] flags = new BooleanClause.Occur[] {BooleanClause.Occur.SHOULD,BooleanClause.Occur.SHOULD};
query1 = MultiFieldQueryParser.parse(Version.LUCENE_29,"如何", new String[] {"ENTRY_NAME","DESC1"}, flags, new IKAnalyzer());
bQuery.add(query1, Occur.MUST);
*/
//模糊查询
Term term1 = new Term("ENTRY_NAME","数"+"~");
// Term term1 = new Term("DESC0","goog");
FuzzyQuery query = new FuzzyQuery(term1,0.1f,1);
//精确匹配
/* // query代表查询对象
Query query = null;
// 查询解析器, 将查询content字段
QueryParser parser = new QueryParser(Version.LUCENE_29,"DESC", new IKAnalyzer());
query = parser.parse(queryStr);
// 搜索结果保存在TopScoreDocCollector.
*/ TopScoreDocCollector c = TopScoreDocCollector.create(100, true);
// 搜索
searcher.search(query, c);
// 得到满足条件的文档总数
System.out.println("总共搜索到 " + c.getTotalHits() + " 个资源。");
// 得到文档集合
ScoreDoc[] docs = c.topDocs(0, c.getTotalHits()).scoreDocs;
//存储符合条件的记录
int startIndex = 0,endIndex = 10; //startIndex、endIndex做为分页用
ArrayList<String> list=new ArrayList<String>();
for (int i = startIndex;i < endIndex && i < docs.length; i++) {
Document documents = searcher.doc(i);
int sum = Integer.parseInt(documents.get("DESC_COUNT"));
//注解
for(int a = 0 ;a < sum ;a++ ){
//Document documentss = searcher.doc(a);
System.out.println("count_desc--"+documents.get("DESC"+a));
}
Document document=searcher.doc(docs[i].doc);
int did = docs[i].doc;
String d = String.valueOf(did);
list.add(d);
System.out.println("文档id: " + docs[i].doc+" 评分: "+docs[i].score+" 内容: "+document.get("ENTRY_NAME"));
}
System.out.println(list);
}
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