/// <summary>
/// 使用缓存查询信息
/// </summary>
/// <param name="info">查询主体</param>
/// <param name="totalcnt">返回条目数</param>
/// <returns></returns>
public DataTable QueryData(ExhibitorSearchEntity info, out int totalcnt)
{
if (info.UseDBPagination)
{
string key = System.Web.Security.FormsAuthentication.HashPasswordForStoringInConfigFile(info.ToJson(info), "MD5");
DataTableRSCacheEntity rsobj = MyCache <DataTableRSCacheEntity> .Get(key);
if (rsobj == null)
{
DataTable dt = dao.QueryData(info, out totalcnt);
if (dt != null && dt.Rows.Count > 0)
{
rsobj = new DataTableRSCacheEntity()
{
Source = dt, TotalCnt = totalcnt
};
MyCache <DataTableRSCacheEntity> .Insert(key, rsobj, 60);
}
else
{
rsobj = new DataTableRSCacheEntity();
}
}
totalcnt = rsobj.TotalCnt;
return(rsobj.Source);
}
else
{
return(dao.QueryData(info, out totalcnt));
}
}
/// <summary>
///
/// </summary>
/// <param name="sp"></param>
/// <returns></returns>
protected virtual SqlParameter CreateParameter_Fileds_Console(ExhibitorSearchEntity sp)
{
StringBuilder sbfileds = new StringBuilder();
sbfileds.Append(@" ee.* ");
return(new SqlParameter("@Fields", sbfileds.ToString()));
}
protected virtual SqlParameter CreateParamter_Orderby_Console(ExhibitorSearchEntity sp)
{
StringBuilder sb = new StringBuilder();
sb.Append(" ee.ExhibitorPinYin ASC ");
return(new SqlParameter("@OrderField", sb.ToString()));
}
/// <summary>
///
/// </summary>
/// <param name="sp"></param>
/// <returns></returns>
protected virtual SqlParameter CreateParameter_Table_Console(ExhibitorSearchEntity sp)
{
StringBuilder sbtable = new StringBuilder();
sbtable.Append(@" dbo.M_Exhibition_Exhibitors AS ee
INNER JOIN dbo.M_Exhibition_Main AS em ON em.ExhibitionID = ee.ExhibitionID ");
return(new SqlParameter("@TableName", sbtable.ToString()));
}
/// <summary>
///
/// </summary>
/// <param name="sp"></param>
/// <returns></returns>
protected virtual SqlParameter CreateParameter_Fileds(ExhibitorSearchEntity sp)
{
StringBuilder sbfileds = new StringBuilder();
sbfileds.Append(@"em.ExhibitionID
,ee.ExhibitorID
,ee.ExhibitorName
,ee.ExhibitorPinYin
,ee.IsHadBookList");
return(new SqlParameter("@Fields", sbfileds.ToString()));
}
/// <summary>
///
/// </summary>
/// <param name="sp"></param>
/// <returns></returns>
protected virtual SqlParameter CreateParameter_Where_Console(ExhibitorSearchEntity sp)
{
StringBuilder sbwhere = new StringBuilder(" 1=1 AND em.StateTypeID = 1 AND ee.StateTypeID = 1 ");
if (sp.ExhibitionID > 0)
{
sbwhere.AppendFormat(" AND em.ExhibitionID = {0}", sp.ExhibitionID);
}
if (!string.IsNullOrEmpty(sp.ExhibitorName))
{
sbwhere.AppendFormat(@" AND (ee.ExhibitorName LIKE '%{0}%'
OR ee.ExhibitorPinYin LIKE '%{0}%') ", sp.ExhibitorName);
}
return(new SqlParameter("@sqlWhere", sbwhere.ToString()));
}
/// <summary>
/// 核心方法。查询条件转换成sql参数
/// </summary>
/// <param name="sp"></param>
/// <returns></returns>
protected virtual List <SqlParameter> ParseToSqlParameters_Console(ExhibitorSearchEntity sp)
{
List <SqlParameter> _parameters = new List <SqlParameter>();
_parameters.Add(CreateParameter_Table_Console(sp));
_parameters.Add(CreateParameter_Fileds_Console(sp));
_parameters.Add(CreateParamter_Orderby_Console(sp));
_parameters.Add(CreateParameter_Where_Console(sp));
_parameters.Add(new SqlParameter("@pageSize", sp.PageSize));
_parameters.Add(new SqlParameter("@pageIndex", sp.PageIndex));
_parameters.Add(new SqlParameter()
{
ParameterName = "@Records", Value = 0, Direction = System.Data.ParameterDirection.Output
});
return(_parameters);
}
public DataTable QueryDataConsole(ExhibitorSearchEntity info, out int totalcnt)
{
try
{
SqlParameter[] prms = ParseToSqlParameters_Console(info).ToArray();
DataTable dt = SQlHelper.ExecuteDataset(SQlHelper.MyConnectStr, CommandType.StoredProcedure, "sp_pager05", prms).Tables[0];
totalcnt = int.Parse(prms[prms.Length - 1].Value.ToString());
return(dt);
}
catch (Exception ex)
{
totalcnt = -1;
LogUtil.WriteLog(ex);
return(null);
}
}
private DataTable GetQueryData(bool isDownload)
{
int totalcnt = 0;
ExhibitorSearchEntity entity = new ExhibitorSearchEntity();
entity.ExhibitionID = _exhibitionID;
entity.ExhibitorName = _exhibitorName;
entity.PageSize = base.PageSize;
entity.PageIndex = base.PageIndex;
entity.UseDBPagination = !isDownload;
DataTable table = bll.QueryDataConsole(entity, out totalcnt);
base.TotalRecords = totalcnt;
return(table);
}
public DataTable QueryDataConsole(ExhibitorSearchEntity info, out int totalcnt)
{
return(dao.QueryDataConsole(info, out totalcnt));
}
