// 伦理删除
	function del(){
		//事务开始
		$model = M('{$obj_name}');
		$model->startTrans();
		$ids=I("ids"); 
		$idArr = explode("|", $ids);
		$flag = true;
		foreach($idArr as $key){
			$where['{$PRIMARY_KEY}'] = $key;
			$data ['is_delete'] = 1;
			$data ['update_date'] = date("Y-m-d H:i:s", time());
			$result = $model->where($where)->save($data);
			if($result>0){
			}else{
				$flag = false;
				break;
			}
		}
		if ($flag) {
			$model->commit();
			unset ($_SESSION['{$ename}_Count']);
			$data = array ('ret' => 1);
		} else {
			//事务回滚
			$model->rollback();
			$data = array ('ret' => 0);
		}
		return $data;
	}