lucene3.0+盘古分词+关键字高亮+分页的实现与demo

1 static void CreateIndex()
2 {
3 PanGu.Segment.Init();
4
5 var service &＃61; new Lura.Gxt.Service.Sg_AuthorSummaryServiceTest();
6 var writer &＃61; new IndexWriter(FSDirectory.Open(INDEX_DIR), analyzer, true, IndexWriter.MaxFieldLength.LIMITED);
7
8 var totalCount &＃61; service.GetAuthorCount();
9 var totalPages &＃61; (int)Math.Ceiling(totalCount / (float)1000);
10 for (int i &＃61; 1; i <&＃61; totalPages; i&＃43;&＃43;)
11 {
12 Stopwatch sw &＃61; new Stopwatch();
13 sw.Start();
14
15 var authorList &＃61; service.GetPagedAuthor(i);
16 foreach (var item in authorList)
17 {
18 Document doc &＃61; new Document();
19 Field authorId &＃61; new Field("AuthorId", item.AuthorId.ToString(), Field.Store.YES, Field.Index.ANALYZED);
20 Field dynasty &＃61; new Field("Dynasty", SafeGetString(item.Dynasty), Field.Store.YES, Field.Index.ANALYZED);
21 Field authorName &＃61; new Field("AuthorName", SafeGetString(item.AuthorName), Field.Store.YES, Field.Index.ANALYZED);
22 Field authorSummary &＃61; new Field("AuthorSummary", SafeGetString(item.AuthorSummary), Field.Store.YES, Field.Index.ANALYZED);
23 Field authorSmallImage &＃61; new Field("AuthorSmallImage", SafeGetString(item.AuthorSmallImage), Field.Store.YES, Field.Index.NO);
24 Field authorLargeImage &＃61; new Field("AuthorLargeImage", SafeGetString(item.AuthorLargeImage), Field.Store.YES, Field.Index.NO);
25 Field statuses &＃61; new Field("Statuses", SafeGetString(item.Statuses), Field.Store.YES, Field.Index.NO);
26
27 doc.Add(authorId);
28 doc.Add(dynasty);
29 doc.Add(authorName);
30 doc.Add(authorSummary);
31 doc.Add(authorSmallImage);
32 doc.Add(authorLargeImage);
33 doc.Add(statuses);
34
35 writer.AddDocument(doc);
36 }
37
38 sw.Stop();
39 Console.Write("建立" &＃43; authorList.Count() &＃43; "索引,花费: " &＃43; sw.Elapsed);
40 }
41
42 writer.Optimize();
43 writer.Commit();
44 writer.Dispose();
45
46 }

1 public SearchPeopleView SearchAuthor(string keyword, int pagesize, int page)
2 {
3 var searchPeopleView &＃61; new SearchPeopleView();
4
5
6 if (string.IsNullOrEmpty(keyword))
7 return searchPeopleView;
8
9 IndexSearcher searcher &＃61; new IndexSearcher(FSDirectory.Open(Author_INDEX_DIR), true);
10 QueryParser qp &＃61; new QueryParser(Lucene.Net.Util.Version.LUCENE_30, "AuthorName", analyzer);
11 Query query &＃61; qp.Parse(keyword);
12
13
14 var collector &＃61; TopScoreDocCollector.Create(page * pagesize, false);
15
16 searcher.Search(query, collector);
17
18
19 //开始数
20 int start &＃61; pagesize * (page - 1);
21 //结束数
22 int limit &＃61; start &＃43; pagesize;
23
24 ScoreDoc[] hits &＃61; collector.TopDocs(start, limit).ScoreDocs;
25
26
27 var authorList &＃61; new List();
28 foreach (ScoreDoc sd in hits)
29 {
30
31 Document doc &＃61; searcher.Doc(sd.Doc);
32 var summaryall &＃61; doc.Get("AuthorSummary");
33 var summary &＃61; summaryall.Length> 300 ? summaryall.Substring(0,300)&＃43;"......": summaryall;
34
35 var author &＃61; new Author()
36 {
37 AuthorId &＃61; Int64.Parse(doc.Get("AuthorId")),
38 Dynasty &＃61; doc.Get("Dynasty"),
39 AuthorName &＃61; doc.Get("AuthorName"),
40 AuthorSummary &＃61; SetHighlighter(keyword, summary),
41 AuthorSmallImage &＃61; doc.Get("AuthorSmallImage"),
42 AuthorLargeImage &＃61; doc.Get("AuthorLargeImage"),
43 Statuses &＃61; doc.Get("Statuses")
44 };
45
46 authorList.Add(author);
47 }
48 searcher.Dispose();
49
50
51
52 searchPeopleView.PageInfo.CurrentPage &＃61; page;
53 searchPeopleView.PageInfo.TotalCount &＃61; collector.TotalHits;
54 searchPeopleView.PageInfo.TotalPage &＃61; (int)Math.Ceiling(collector.TotalHits / (float)pagesize);// collector.TotalHits;
55 searchPeopleView.PeopleList &＃61; authorList;
56
57
58 return searchPeopleView;
59 }

<div class&＃61;"row"><h3 id&＃61;"people" class&＃61;"page-header">人物 <small>共&＃64;(Model.PeopleView.PageInfo.TotalCount)条记录,当前第&＃64;(Model.PeopleView.PageInfo.CurrentPage)页small>h3><ul class&＃61;"media-list">&＃64;foreach (var p in Model.PeopleView.PeopleList){<li class&＃61;"media"><div class&＃61;"pull-left"><a href&＃61;"/people/&＃64;p.AuthorId"><img width&＃61;"50" alt&＃61;"&＃64;Html.Raw(p.AuthorName)" src&＃61;"&＃64;p.AuthorSmallImage" />a>div><div class&＃61;"media-body"><h4 class&＃61;"media-heading"><span>[人物] &＃64;(p.Dynasty)▪span><a href&＃61;"/people/&＃64;p.AuthorId">&＃64;Html.Raw(&＃64;p.AuthorName)a> h4><p>&＃64;Html.Raw(p.AuthorSummary)p><a href&＃61;"/people/&＃64;p.AuthorId">www.guoxuetow.com/people/&＃64;p.AuthorIda>div>li>}&＃64;if (Model.PeopleView.PeopleList.Count() &＃61;&＃61; 0){<li class&＃61;"media"><h4 class&＃61;"media-heading">没有人物记录。h4>li>}ul><ul id&＃61;"author-pagination" class&＃61;"pagination-sm">ul><script type&＃61;"text/Javascript">var totlaapage &＃61; parseInt(&＃39;&＃64;(Model.PeopleView.PageInfo.TotalPage)&＃39;);var apage &＃61; parseInt(&＃39;&＃64;(Model.PeopleView.PageInfo.CurrentPage)&＃39;);$(&＃39;#author-pagination&＃39;).twbsPagination({totalPages: totlaapage,startPage: apage,visiblePages: 20,href: &＃39;&＃64;Html.Raw(&＃64;authorPageUrl)&＃39;,first: &＃39;首页&＃39;,prev: &＃39;上一页&＃39;,next: &＃39;下一页&＃39;,last: &＃39;末页&＃39;,onPageClick: function (event, page) {window.location.href &＃61; "&＃64;Html.Raw(&＃64;authorPageUrl1)" &＃43; page;// $(&＃39;#page-content&＃39;).text(&＃39;Page &＃39; &＃43; page);
}});script>div>