我正在使用Version.Lucene_29
。使用普通的字符串查询方法,我可以执行以下操作:
Directory directory = new FSDirectory(...);
//Start Lucene retrieval.
IndexSearcher iSearch = new IndexSearcher(directory, true);
Analyzer analyzer = new WhitespaceAnalyzer();
QueryParser parser = new QueryParser(Version.LUCENE_29, "content", analyzer);
String str = 'filename:testfile.txt AND filetext:"Singapore food"'
Query query = parser.parse(str);
ScoreDoc[] hits = iSearch.search(query, 1000).scoreDocs;
如何在Lucene中使用MultiFieldQueryParser触发查询,类似于字符串查询方法?
MultiFieldQueryParser multiParser = new MultiFieldQueryParser(
Version.LUCENE_29, new String[] {"content", "ne"}, analyzer);
str = ???
Query = ????
ScoreDoc[] hits = iSearch.search(query, 1000).scoreDocs;
答案 0 :(得分:11)
MultiFieldQueryParser允许您使用相同的分析器在多个文件中搜索“WORD”。
e.g。
Query query = MultiFieldQueryParser.parse("development",
new String[]{"title", "subject"},
new SimpleAnalyzer());
它将在Field中寻找单词开发:“title”和Field:“subject”
答案 1 :(得分:1)
MultiFieldQueryParser
is-a QueryParser
,MultiFieldQueryParser
在这种情况下将两个查询创建为BooleanClause
。所以它还支持 filename:testfile.txt AND filetext:“Singapore food”。