/// <summary>
///
/// </summary>
/// <param name="sp"></param>
/// <returns></returns>
protected virtual SqlParameter CreateParameter_Where(CommentSearchEntity 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 ec.CheckTypeID = {0}"
, sp.CheckType);
}
if (!string.IsNullOrEmpty(sp.ViewType))
{
sbwhere.AppendFormat(" AND ec.ViewStateID = {0} "
, sp.ViewType);
}
return(new SqlParameter("@sqlWhere", sbwhere.ToString()));
}
protected virtual SqlParameter CreateParamter_Orderby(CommentSearchEntity sp)
{
StringBuilder sb = new StringBuilder();
sb.Append(" ec.CommentTime desc ");
return(new SqlParameter("@OrderField", sb.ToString()));
}
/// <summary>
///
/// </summary>
/// <param name="sp"></param>
/// <returns></returns>
protected virtual SqlParameter CreateParameter_Fileds(CommentSearchEntity sp)
{
StringBuilder sbfileds = new StringBuilder();
sbfileds.Append(@"ec.CommentID,ec.EventItemID,ec.UserID,ec.IsAnonymous,ec.CommentContent,ec.CommentTime,ec.CheckTypeID,ec.ViewStateID
,CONVERT(varchar(30),ec.CommentTime, 20) as FormatCommentTime
,e.EventItemGUID,e.Title
,u.NickName
,ISNULL(eclr.LikeCnt,0) AS LikeCnt
,ISNULL(er.ReplyCnt,0) AS ReplyCnt
,dct.CheckTypeDesc
,ec.WordsInfo");
return(new SqlParameter("@Fields", sbfileds.ToString()));
}
/// <summary>
///
/// </summary>
/// <param name="sp"></param>
/// <returns></returns>
protected virtual SqlParameter CreateParameter_Table(CommentSearchEntity sp)
{
StringBuilder sbtable = new StringBuilder();
sbtable.Append(@"dbo.M_EventItem_Comments AS ec
INNER JOIN dbo.M_User AS u ON u.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=ec.CheckTypeID
LEFT JOIN
(SELECT SUM(LikeCnt) AS LikeCnt,CommentID FROM dbo.M_EventItem_Comments_Like_Rel GROUP BY CommentID) AS eclr ON eclr.CommentID = ec.CommentID
LEFT JOIN
(SELECT COUNT(ReplyID) AS ReplyCnt,CommentID FROM M_EventItem_Replies GROUP BY CommentID) AS er ON er.CommentID = ec.CommentID");
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(CommentSearchEntity 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(CommentSearchEntity 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>
/// 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(CommentSearchEntity info, out int totalcnt)
{
return(dao.QueryData(info, out totalcnt));
}