cakephp树模型结构

cakephp树模型结构,cakephp,cakephp-model,Cakephp,Cakephp Model,我想得到一个类别树,以如下方式显示: cat1 subcat1 subcat2 subcat3 subsubcat1 cat2 subcat1 ... array( (int) 0 => array( 'Category' => array( 'id' => '1', 'name' => 'catname', 'father'

我想得到一个类别树,以如下方式显示:

cat1
    subcat1
    subcat2
    subcat3
        subsubcat1
cat2
    subcat1
...
array(
    (int) 0 => array(
        'Category' => array(
            'id' => '1',
            'name' => 'catname',
            'father' => '2'
        ),
        'ParentCategory' => array(
            'id' => '2',
            'name' => 'catname',
            'father' => '3'
        ),
        'ChildCategory' => array(
            (int) 0 => array(
                'id' => '161',
                'name' => 'catname',
                'father' => '1'
            )
        )
    ),
    (int) 1 => array(
        'Category' => array(
            'id' => '2',
            'name' => 'catname',
            'father' => '3'
        ),
        'ParentCategory' => array(
            'id' => '3',
            'name' => 'catname',
            'father' => '4'
        ),
        'ChildCategory' => array(
            (int) 0 => array(
                'id' => '1',
                'name' => 'catname',
                'father' => '2'
            ),
            (int) 1 => array(
                'id' => '5',
                'name' => 'catname',
                'father' => '2'
            ),
            (int) 2 => array(
                'id' => '489',
                'name' => 'catname',
                'father' => '2'
            )
        )
    ),
...
我有这张桌子:

CREATE TABLE IF NOT EXISTS `kategorie` (
  `id` int(11) NOT NULL auto_increment,
  `name` varchar(256) collate utf8_polish_ci NOT NULL,
  `father` int(11) NOT NULL default '-7',
  PRIMARY KEY  (`id`),
  UNIQUE KEY `name` (`name`)
)
所以每个记录只包含self和parent id(我不能添加左id和右id)

目前,我制作了这个模型:

class Category extends AppModel 
    {
        public $name = 'Category';
        public $useDbConfig = 'external';
        public $useTable = 'kategorie';

        var $belongsTo = array(  
            'ParentCategory' => array(  
                'className' => 'Category',  
                'foreignKey' => 'father'  
        ));  

        var $hasMany = array(  
            'ChildCategory' => array(  
                'className' => 'Category',  
                'foreignKey' => 'father'  
        ));     

    }
和控制器:

class CategoriesController extends AppController {

        public function beforeFilter() 
        {
            parent::beforeFilter();
            //$this->Auth->allow('add','logout');
        }

        public function index()
        {
            $res = $this->Category->find('all');
            //$this->set('categories', $this->Category->find('all') );  
            debug($res); die;           
        }   
    }
调试输出如下所示:

cat1
    subcat1
    subcat2
    subcat3
        subsubcat1
cat2
    subcat1
...
array(
    (int) 0 => array(
        'Category' => array(
            'id' => '1',
            'name' => 'catname',
            'father' => '2'
        ),
        'ParentCategory' => array(
            'id' => '2',
            'name' => 'catname',
            'father' => '3'
        ),
        'ChildCategory' => array(
            (int) 0 => array(
                'id' => '161',
                'name' => 'catname',
                'father' => '1'
            )
        )
    ),
    (int) 1 => array(
        'Category' => array(
            'id' => '2',
            'name' => 'catname',
            'father' => '3'
        ),
        'ParentCategory' => array(
            'id' => '3',
            'name' => 'catname',
            'father' => '4'
        ),
        'ChildCategory' => array(
            (int) 0 => array(
                'id' => '1',
                'name' => 'catname',
                'father' => '2'
            ),
            (int) 1 => array(
                'id' => '5',
                'name' => 'catname',
                'father' => '2'
            ),
            (int) 2 => array(
                'id' => '489',
                'name' => 'catname',
                'father' => '2'
            )
        )
    ),
...
所以基本上我得到了类别对象数组(这些对象的数量就是类别的数量(所有,甚至子类别)。每个类别都有一个父类别和子类别数组

这不是我想要的,因为我必须“手动”解析数组以构建一个类别树,这会很慢,因为我必须在数组中找到具有指定id的类别(类别id不是数组中的索引)


也许有人知道一些特殊的技巧来获得一个好的、有用的类别树?

尝试查看find方法的其他参数。您可以尝试使用

$res = $this->Category->find('threaded');

您可以在上找到更多详细信息。

这很好,但它需要字段“parent\u id”,我有字段“parent”,无法更改它-有没有技巧将此字段名映射到“parent\u id”?这很奇怪-cake应该提供一些参数,即表中的parent\u id名称…在CakePHP 2.1中找到anserw->使用find('threaded',数组('parent'=>'father');