public FeelingRetrieveRes ReportData(FeelingRetrieveReq req)
{
FeelingRetrieveRes res = new FeelingRetrieveRes()
{
FEELING = new List <FEELING>(),
Pagination = new Pagination
{
PageCount = 0,
RowCount = 0,
PageNumber = 0,
MinNumber = 0,
MaxNumber = 0,
StartTime = DateTime.Now
}
};
using (DbCommand cmd = Db.CreateConnection().CreateCommand())
{
string sql = @"SELECT TOP(@TOP)
FROM FEELING{0}
ORDER BY SN DESC;";
string where = "";
Db.AddInParameter(cmd, "TOP", DbType.Int32, 1000000);
if (where.Length > 0)
{
where = " WHERE" + where.Substring(4);
}
sql = String.Format(sql, where);
cmd.CommandType = CommandType.Text;
cmd.CommandText = sql;
using (IDataReader reader = Db.ExecuteReader(cmd))
{
while (reader.Read())
{
var row = new FEELING
{
};
res.FEELING.Add(row);
}
}
}
res.Pagination.EndTime = DateTime.Now;
return(res);
}
public FeelingRetrieveRes PaginationRetrieve(FeelingRetrieveReq req)
{
FeelingRetrieveRes res = new FeelingRetrieveRes()
{
FEELING = new List <FEELING>(),
Pagination = new Pagination
{
PageCount = 0,
RowCount = 0,
PageNumber = 0,
MinNumber = 0,
MaxNumber = 0,
StartTime = DateTime.Now
}
};
using (DbCommand cmd = Db.CreateConnection().CreateCommand())
{
string sql = @"SELECT COUNT(1) FROM (SELECT TOP(@TOP) NULL AS N FROM FEELING{0}) A;
SELECT TOP(@TOP)
FROM FEELING{0}
ORDER BY SN DESC;";
string where = "";
Db.AddInParameter(cmd, "TOP", DbType.Int32, 1000);
if (where.Length > 0)
{
where = " WHERE" + where.Substring(4);
}
sql = String.Format(sql, where);
cmd.CommandType = CommandType.Text;
cmd.CommandText = sql;
using (IDataReader reader = Db.ExecuteReader(cmd))
{
reader.Read();
int.TryParse(reader[0].ToString(), out res.Pagination.RowCount);
if (res.Pagination.RowCount > 0)
{
reader.NextResult();
res.Pagination.PageCount = Convert.ToInt32(Math.Ceiling(1.0 * res.Pagination.RowCount / req.PageSize));
res.Pagination.PageNumber = req.PageNumber < 1 ? 1 : req.PageNumber;
res.Pagination.PageNumber = req.PageNumber > res.Pagination.PageCount ? res.Pagination.PageCount : res.Pagination.PageNumber;
res.Pagination.MinNumber = (res.Pagination.PageNumber - 1) * req.PageSize + 1;
res.Pagination.MaxNumber = res.Pagination.PageNumber * req.PageSize;
res.Pagination.MaxNumber = res.Pagination.MaxNumber > res.Pagination.RowCount ? res.Pagination.RowCount : res.Pagination.MaxNumber;
int i = 0;
while (reader.Read())
{
i++;
if (i >= res.Pagination.MinNumber && i <= res.Pagination.MaxNumber)
{
var row = new FEELING
{
};
res.FEELING.Add(row);
}
else if (i > res.Pagination.MaxNumber)
{
reader.Close();
break;
}
}
}
}
}
res.Pagination.EndTime = DateTime.Now;
return(res);
}
