lucene3.5高亮设置

import java.io.IOException;import java.io.StringReader;import org.apache.lucene.analysis.Analyzer;import org.apache.lucene.analysis.TokenStream;import org.apache.lucene.analysis.standard.StandardAnalyzer;import org.apache.lucene.document.Document;import org.apache.lucene.search.Query;import org.apache.lucene.search.highlight.Highlighter;import org.apache.lucene.search.highlight.InvalidTokenOffsetsException;import org.apache.lucene.search.highlight.QueryScorer;import org.apache.lucene.search.highlight.SimpleHTMLFormatter;import org.apache.lucene.util.Version;public class HighlighterDemo {public static String toHighlighter(Query query, Document doc, String field) throws IOException, InvalidTokenOffsetsException {Analyzer analyzer = new StandardAnalyzer(Version.LUCENE_35);SimpleHTMLFormatter simpleHtmlFormatter = new SimpleHTMLFormatter("<font color=\"red\">", "</font>");Highlighter highlighter = new Highlighter(simpleHtmlFormatter,new QueryScorer(query));TokenStream tokenStream = analyzer.tokenStream(field,new StringReader(doc.get(field)));String highlighterStr = highlighter.getBestFragment(tokenStream, doc.get(field));return highlighterStr == null ? doc.get(field) : highlighterStr;}}