(转)lucene.net 读取指定页数的记录

1. 本文转载自：http://blog.csdn.net/hehui21/article/details/2874198
2. public DataTable GetListReader(int pageI,int pPageListSize,out int pagecountI){
3.     if(!IndexReader.IndexExists(directory))MakeInit(directory);
4.     IndexReader reader = IndexReader.Open(directory);    
5.     pagecountI=reader.NumDocs();
6.     DataTable DT=this.GetSegmentTable();
7.     pageI=Math.Max(1,pageI);
8.     int startLoopI=Math.Min(reader.NumDocs(),(pageI-1)*pPageListSize);
9.     int stopLoopI=Math.Min(reader.NumDocs(),pageI*pPageListSize);
10.     int trueID = -1;
11.     for(int iLoop=reader.MaxDoc()-1;iLoop>-1;iLoop--){
12.         if(!reader.IsDeleted(iLoop)){
13.             ++trueID;
14.             //System.Web.HttpContext.Current.Response.Write(trueID);
15.             if(trueID>stopLoopI )break;
16.             if(trueID>=startLoopI && trueID<stopLoopI){
17.                 DataRow dr=DT.NewRow();
18.                 dr[1]=Model.TUtility.CInt(reader.Document(iLoop).Get("ID"));
19.                 dr[2]=Model.TUtility.CInt(reader.Document(iLoop).Get("UserID"));
20.                 dr[3]=reader.Document(iLoop).Get("UserName");
21.                 dr[4]=Model.TUtility.CInt(reader.Document(iLoop).Get("CatID"));
22.                 dr[5]=reader.Document(iLoop).Get("Title");
23.                 dr[6]=DateField.StringToDate(reader.Document(iLoop).Get("Time"));
24.                 DT.Rows.Add(dr);
25.             }
26.         }
27.     }
28.     reader.Close();
29.     //IndexReader.Unlock(directory);
32.     return DT;
33. }