每个领域使用不​​同的分析仪 [英] Different analyzers for each field

问题描述

如何为我要使用Lucene编制索引的文档中的每个字段启用不同的分析器?示例:

How can I enable different analyzers for each field in a document I'm indexing with Lucene? Example:

        RAMDirectory dir = new RAMDirectory();
        IndexWriter iw = new IndexWriter(dir, new StandardAnalyzer(Lucene.Net.Util.Version.LUCENE_CURRENT), true, IndexWriter.MaxFieldLength.UNLIMITED);
        Document doc = new Document();
        Field field1 = new Field("field1", someText1, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS);
        Field field2 = new Field("field2", someText2, Field.Store.YES, Field.Index.ANALYZED, Field.TermVector.WITH_POSITIONS_OFFSETS);
        doc.Add(field1);
        doc.Add(field2);
        iw.AddDocument(doc);
        iw.Commit();

分析器是IndexWriter的一个参数，但是我想对field1使用StandardAnalyzer，对field2使用SimpleAnalyzer，我该怎么做?当然，搜索时也是如此.必须为每个字段应用正确的分析器.

The analyzer is an argument to the IndexWriter, but I want to use StandardAnalyzer for field1 and SimpleAnalyzer for field2, how can I do that? The same applies when searching, of course. The correct analyzer must be applied for each field.

推荐答案

此处.

PerFieldAnalyzerWrapper is what you are looking for. The equivalent of this in Lucene.net is here.

这篇关于每个领域使用不​​同的分析仪的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！