protected virtual SqlParameter CreateParamter_Orderby(ReplySearchEntity sp)
{
StringBuilder sb = new StringBuilder();
sb.Append(" er.ReplyTime desc ");
return(new SqlParameter("@OrderField", sb.ToString()));
}
/// <summary>
///
/// </summary>
/// <param name="sp"></param>
/// <returns></returns>
protected virtual SqlParameter CreateParameter_Fileds(ReplySearchEntity sp)
{
StringBuilder sbfileds = new StringBuilder();
sbfileds.Append(@"er.*
,CONVERT(varchar(30),er.ReplyTime, 20) as FormatReplyTime
,ec.CommentContent
,e.EventItemGUID,e.Title
,u.NickName,u2.UserID AS UserID2,u2.NickName AS NickName2
,dct.CheckTypeDesc");
return(new SqlParameter("@Fields", sbfileds.ToString()));
}
/// <summary>
///
/// </summary>
/// <param name="sp"></param>
/// <returns></returns>
protected virtual SqlParameter CreateParameter_Table(ReplySearchEntity sp)
{
StringBuilder sbtable = new StringBuilder();
sbtable.Append(@"M_EventItem_Replies AS er
INNER JOIN dbo.M_EventItem_Comments AS ec ON ec.CommentID = er.CommentID
INNER JOIN dbo.M_User AS u ON u.UserID = er.UserID
INNER JOIN dbo.M_User AS u2 ON u2.UserID = ec.UserID
INNER JOIN dbo.M_EventItem AS e ON e.EventItemID = ec.EventItemID
INNER JOIN M_Dict_CheckType AS dct ON dct.CheckTypeID=er.CheckTypeID");
return(new SqlParameter("@TableName", sbtable.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(ReplySearchEntity sp)
{
List <SqlParameter> _parameters = new List <SqlParameter>();
_parameters.Add(CreateParameter_Table(sp));
_parameters.Add(CreateParameter_Fileds(sp));
_parameters.Add(CreateParamter_Orderby(sp));
_parameters.Add(CreateParameter_Where(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);
}
/// <summary>
///
/// </summary>
/// <param name="info"></param>
/// <param name="totalcnt"></param>
/// <returns></returns>
public DataTable QueryData(ReplySearchEntity info, out int totalcnt)
{
try
{
SqlParameter[] prms = ParseToSqlParameters(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);
}
}
/// <summary>
///
/// </summary>
/// <param name="sp"></param>
/// <returns></returns>
protected virtual SqlParameter CreateParameter_Where(ReplySearchEntity sp)
{
StringBuilder sbwhere = new StringBuilder(" 1=1 ");
if (!string.IsNullOrEmpty(sp.Title))
{
sbwhere.AppendFormat(" AND e.Title LIKE '%{0}%' "
, sp.Title);
}
if (!string.IsNullOrEmpty(sp.CheckType))
{
sbwhere.AppendFormat(" AND er.CheckTypeID = {0}"
, sp.CheckType);
}
if (!string.IsNullOrEmpty(sp.ViewType))
{
sbwhere.AppendFormat(" AND er.ViewStateID = {0} "
, sp.ViewType);
}
return(new SqlParameter("@sqlWhere", sbwhere.ToString()));
}
/// <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(ReplySearchEntity info, out int totalcnt)
{
return(dao.QueryData(info, out totalcnt));
}