function mdl_list($num_no, $num_except = 0, $arr_search = array())
{
$_arr_logSelect = array("log_id", "log_time", "log_target_type", "log_title", "log_type", "log_status", "log_result", "log_operator_id");
$_str_sqlWhere = $this->sql_process($arr_search);
$_arr_logRows = $this->obj_db->select(BG_DB_TABLE . "log", $_arr_logSelect, $_str_sqlWhere, "", "log_id DESC", $num_no, $num_except);
//查询数据
return $_arr_logRows;
}