PHP gets the data from the database and assigns it to the drop-down box

Code in Action
public function add(){
 $node=M('Menu');//Instantiate the database
 $this->lists=$node->where(array('higher '=>0))->select();//The values ​​filtered out according to the conditions are given to lists
 $this->display();
}

template industry code


First level menu
{$vo.name}// {$vo.id} is the ID value of {$vo.name} you selected


//PS: Manually typed code, there may be errors in the middle