/// <summary> /// 判断是否交易日(返回0表示是交易日) /// </summary> /// <returns></returns> public int GetIsWeek(DateTime dt) { MySqlParameter par1 = new MySqlParameter("@in_day", MySqlDbType.DateTime); par1.Value = dt.ToString("yyyy-MM-dd"); par1.Direction = ParameterDirection.Input; MySqlParameter par2 = new MySqlParameter("@return_value", MySqlDbType.Int32, 11); par2.Direction = ParameterDirection.ReturnValue; MySqlParameter[] parameters = { par1, par2 }; var sd = DbHelperMySQL.ExecuteScalar("f_isweek", parameters); return((int)par2.Value); }