/// <summary>
/// 删除索引
/// </summary>
/// <param name="SNs"></param>
public static void deleteIndex(string[] SNs)
{
if (!IsUsingIndex)
{
return;
}
SearchEngine se = SearchEngineClient.GetSearchEngineObject();
se.DeleteImages(SNs);
}
public static DataSet Search(string keyword, string beginDate, string endDate, string Userid, int PageSize, int PageNum, ref int rowCount, string resourceType)
{
/*
* 存在的问题：
* 1、不能同时选择两种资源类型
* 2、没有跟机构相关联上
* 4、返回的结果有重复的资源，应该取唯一值
*/
SearchEngine.SearchParameter sp = new SearchEngine.SearchParameter();
SearchEngine se = SearchEngineClient.GetSearchEngineObject();
sp.keywords = keyword;
if ((!string.IsNullOrEmpty(beginDate)) && (!string.IsNullOrEmpty(endDate)))
{
sp.startDate = Convert.ToDateTime(beginDate);
sp.endDate = Convert.ToDateTime(endDate);
}
sp.ResourceType = resourceType.Replace(',', ' ');
sp.pageSize = PageSize;
sp.pageIndex = PageNum;
sp.highSearchParameter = "VS:2";
DataTable dt = se.Search(ref sp);
/*过滤结果中的重复项，类似于select distinct
* int i=0;
* int colCount=dt.Columns.Count;
* string[] cols=new string[colCount];
* foreach(DataColumn column in dt.Columns)
* {
* cols[i] = column.ColumnName;
* i++;
* }
* DataTable dt2 = dt.DefaultView.ToTable(true, cols);
*/
DataSet ds = new DataSet();
DataTable dt1 = new DataTable("recordCount");;
dt1.Columns.Add(new DataColumn("recordCount", typeof(System.Int32)));
DataRow dr = dt1.NewRow();
dr["recordCount"] = sp.recordCount;
dt1.Rows.Add(dr);
ds.Tables.Add(dt1);
ds.Tables.Add(dt);;
return(ds);
}
public static string[] GetRelatedKeywords(string keyword)
{
string[] correlateKeywords = new string[] { };
SearchEngine se = SearchEngineClient.GetSearchEngineObject();
string[] okKeywords = se.TestKeyword(keyword, ref correlateKeywords);
if (correlateKeywords.Length > 0)
{
return(correlateKeywords);
}
else
{
return(okKeywords);
}
}
public static DataSet Search(int pageSize, int pageIndex, out int pageCount, string keyword, DateTime beg, DateTime end)
{
SearchEngine.SearchParameter sp = new SearchEngine.SearchParameter();
SearchEngine se = SearchEngineClient.GetSearchEngineObject();
sp.keywords = keyword;
sp.pageSize = pageSize;
sp.pageIndex = pageIndex;
sp.highSearchParameter = "VS:2"; //validateStatus=2 也就是审核过的
if (sp.recordCount % sp.pageSize == 0)
{
pageCount = sp.recordCount / pageSize;
}
else
{
pageCount = sp.recordCount / pageSize + 1;
}
DataTable dt = se.Search(ref sp);
DataSet ds = new DataSet();
DataTable dt1 = new DataTable();
dt1.Columns.Add(new DataColumn("recordCount", typeof(System.Int32)));
DataRow dr = dt1.NewRow();
dr["recordCount"] = sp.recordCount;
dt1.Rows.Add(dr);
ds.Tables.Add(dt1);
ds.Tables.Add(dt);
return(ds);
}
