lucene高亮:lucene高亮显示 疯狂代码 http://www.crazycoder.cn/ ĵ:http:/www.crazycoder.cn/DeveloperUtil/Article54068.html package src; import java.io.StringReader; import java.util.Date; import org.apache.lucene.analysis.Analyzer; import org.apache.lucene.analysis.SimpleAnalyzer; import org.apache.lucene.analysis.TokenStream; import org.apache.lucene.analysis.cjk.CJKAnalyzer; import org.apache.lucene.analysis.cn.ChineseAnalyzer; import org.apache.lucene.analysis.standard.StandardAnalyzer; import org.apache.lucene.document.Document; import org.apache.lucene.index.IndexReader; import org.apache.lucene.index.Term; import org.apache.lucene.queryParser.QueryParser; import org.apache.lucene.search.FuzzyQuery; import org.apache.lucene.search.Hits; import org.apache.lucene.search.IndexSearcher; import org.apache.lucene.search.Query; import java.util.Date; import org.apache.lucene.analysis.standard.StandardAnalyzer; import org.apache.lucene.document.Document; import org.apache.lucene.index.IndexReader; import org.apache.lucene.queryParser.QueryParser; import org.apache.lucene.search.Hits; import org.apache.lucene.search.IndexSearcher; import org.apache.lucene.search.Query; import org.apache.lucene.search.highlight.Highlighter; import org.apache.lucene.search.highlight.QueryScorer; import org.apache.lucene.search.highlight.SimpleFragmenter; import org.apache.lucene.search.highlight.SimpleHTMLFormatter; public LuceneSearch { public void (String args) throws Exception{ LuceneSearch test = LuceneSearch; // Hits h = null; h = test.search("显示 "); test.prResult(h); h = test.search("jy*"); test.prResult(h); h = test.search("djy"); test.prResult(h); } public LuceneSearch{ try{ searcher = IndexSearcher(IndexReader.open("E:lucene est4index")); }catch(Exception e){ e.prStackTrace; } } //声明个IndexSearcher对象 private IndexSearcher searcher = null; //声明个Query对象 private Query query = null; ChineseAnalyzer analyzer = ChineseAnalyzer; Highlighter highlighter = null; public final Hits search(String keyword){ .out.prln("正在检索关键字:"+keyword); try{ QueryParser qp = QueryParser("title",analyzer); query = qp.parse(keyword); Term term = Term("content",keyword); FuzzyQuery fq = FuzzyQuery(term); Date start = Date; //Hits hits = searcher.search(query); Hits hits = searcher.search(query); //高亮显示设置 SimpleHTMLFormatter simpleHTMLFormatter = SimpleHTMLFormatter("",""); highlighter = Highlighter(simpleHTMLFormatter, QueryScorer(query)); highlighter.TextFragmenter( SimpleFragmenter(10));//这个100是指定关键字串context长度你可以自 己设定不可能返回整篇正文内容 Date end = Date; .out.prln("检索完成,用时"+(end.getTime-start.getTime)+"毫秒"); hits; }catch(Exception e){ e.prStackTrace; null; } } public void prResult(Hits h){ (h.length 0){ .out.prln("对不起,没有找到您要结果."); }{ for( i = 0; i < h.length; i){ try{ Document doc = h.doc(i); .out.prln("这个是"+(i+1)+"个结果:"+doc.get("id")+" title:"+doc.get("title")+" content:"+doc.get("content")); //高亮出显示 TokenStream tokenStream =analyzer.tokenStream("content", StringReader(doc.get("title"))); .out.prln(highlighter.getBestFragment(tokenStream,h.doc(i).get("title"))); //.out.prln(doc.get("path")); }catch(Exception e){ e.prStackTrace; } } } .out.prln("--------------------------------------"); } } 2009-1-15 22:30:33 疯狂代码 http://www.crazycoder.cn/