/** * 取得下一个还没有执行的 Cron Task * * @param int $task_time * * @return DataMapper */ public function loadNextUnRunCronTask($task_time) { $dataMapper = new DataMapper('cron_task'); $dataMapper->load(array('task_run_time = 0'), array('order' => 'task_time asc, task_id asc', 'limit' => '1')); return $dataMapper; }