首先，关于Lucene.Net 的文章已经很多了。我这次决定写出来只是为了练练手，虽然在别人看来没什么用，但是自己确实是手动实践了一把。我个人觉得还是有意义的。爱折腾、敢于实践、才能有所收获，才能发现问题。不要怕自己写的东西有问题，有问题才更好呢，可以让更多的人看见，提意见的当然是好，鄙视的……我也接受，给自己 动力去思考。
想让自己时刻保持着这种程序员-->代码心态、人都是带有惰性的，一旦玩起来 呵呵...
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相信大家对于LuceneNet 并不陌生了，园子里面的文章很多。
参考文章：
http://www.cnblogs.com/birdshover/category/152283.html
http://www.cnblogs.com/psforever/archive/2011/10/06/2200019.html
界面是一个在线工具自己手动构的，可以随意的设计自己想要的界面。但是引用的css居然不是Bootstrap的css，这点得注意。
css样式引用地址：http://www.bootcss.com/p/layoutit/css/bootstrap-combined.min.css
http://www.bootcss.com/p/layoutit/css/layoutit.css
在线工具地址：http://www.bootcss.com/p/layoutit/
数据库大概8w条记录，每次最多取出1W条查询结果。正常人也不会看完这么多的。
核心代码
方法
/// <summary> /// 获得搜索列表 /// </summary> /// <param name="keyword">关键字</param> /// <param name="pageSize"></param> /// <param name="currentPage">当前页码</param> /// <param name="count"></param> /// <param name="pageCount"></param> /// <param name="isLike">是否开启模糊查询</param> /// <returns></returns> public static List<StoreInfo> GetSearchList(string keyword, int pageSize, int currentPage, out int count, out int pageCount, bool isLike = false) { string keywords = keyword; //获取用户输入关键字，以备设置高亮显示 string strIndexPath = INDEX_STORE_PATH; List<StoreInfo> storeList = new List<StoreInfo>(); StoreInfo modelstore; pageCount = 0; count = 0; IndexSearcher search = null; try { search = new IndexSearcher(FSDirectory.Open(new System.IO.DirectoryInfo(strIndexPath)), true); } catch (Exception) { return null; } keyword = GetKeyWordsSplitBySpace(keyword, new PanGuTokenizer()); QueryParser titleQueryParser = new QueryParser(Lucene.Net.Util.Version.LUCENE_29, "body", new PanGuAnalyzer(true)); Query titleQuery = titleQueryParser.Parse(keyword); Query PrefixQuery_title = null; Query PrefixQuery_body = null; Query FuzzyQuery_Title = null; Query FuzzyQuery_body = null; Query WildcardQuery_title = null; Query WildcardQuery_body = null; if (isLike) { //以什么开头，输入“ja”就可以搜到包含java和javascript两项结果了 PrefixQuery_title = new PrefixQuery(new Term("title", keywords)); PrefixQuery_body = new PrefixQuery(new Term("body", keywords)); //直接模糊匹配,假设你想搜索跟‘wuzza’相似的词语,你可能得到‘fuzzy’和‘wuzzy’。 FuzzyQuery_Title = new FuzzyQuery(new Term("title", keywords)); FuzzyQuery_body = new FuzzyQuery(new Term("body", keywords)); //通配符搜索 WildcardQuery_title = new WildcardQuery(new Term("title", keywords)); WildcardQuery_body = new WildcardQuery(new Term("body", keywords)); } //MultiFieldQueryParser BooleanQuery bq = new BooleanQuery(); bq.Add(titleQuery, BooleanClause.Occur.SHOULD);//表示条件关系为“or”,BooleanClause.Occur.MUST表示“and”,BooleanClause.Occur.MUST_NOT表示“not” if (isLike) { bq.Add(PrefixQuery_title, BooleanClause.Occur.SHOULD); bq.Add(PrefixQuery_body, BooleanClause.Occur.SHOULD); bq.Add(FuzzyQuery_Title, BooleanClause.Occur.SHOULD); bq.Add(FuzzyQuery_body, BooleanClause.Occur.SHOULD); bq.Add(WildcardQuery_title, BooleanClause.Occur.SHOULD); bq.Add(WildcardQuery_body, BooleanClause.Occur.SHOULD); } //创建一个结果收集器（收集结果最大数为1000页） TopScoreDocCollector collector = TopScoreDocCollector.create(pageSize * 1000, true); search.Search(bq, null, collector); TopDocs topDoc = collector.TopDocs(0, collector.GetTotalHits()); //搜索结果总数超出指定收集器大小，则摈弃 if (topDoc.totalHits > pageSize * 1000) count = pageSize * 1000; else count = topDoc.totalHits; int i = (currentPage - 1) * pageSize; #region Lucene.Net.Documents.Document docs; PanGu.HighLight.Highlighter highlighter; PanGu.HighLight.SimpleHTMLFormatter simpleHTMLFormatter; while (i < count && storeList.Count < pageSize) { modelstore = new StoreInfo(); docs = search.Doc(topDoc.scoreDocs[i].doc); try { string strTitle = docs.Get("title"); string strContent = docs.Get("body"); modelstore.Store_ID = Convert.ToInt32(docs.Get("id")); //高亮显示设置 simpleHTMLFormatter = new PanGu.HighLight.SimpleHTMLFormatter("<span style=\"color:red;\">", "</span>"); highlighter = new PanGu.HighLight.Highlighter(simpleHTMLFormatter, new PanGu.Segment()); highlighter.FragmentSize = 200; //string GetBestFragment(keywords,content)方法会按照SimpleHTMLFormatter构造的格式对content中关键字进行高亮显示 //但如果content中不包含keywords则会返回空值，故需要按照如下进行判断 modelstore.Description = highlighter.GetBestFragment(keywords, strContent); if (string.IsNullOrEmpty(modelstore.Description)) { modelstore.Description = strContent; } modelstore.Store_Name = highlighter.GetBestFragment(keywords, strTitle); if (string.IsNullOrEmpty(modelstore.Store_Name)) { modelstore.Store_Name = strTitle; } } catch (Exception e) { continue; } finally { storeList.Add(modelstore); i++; } } #endregion search.Close(); pageCount = Convert.ToInt32(Math.Ceiling((double)collector.GetTotalHits() / pageSize)); return storeList; }