试图通过表显示hasMany中的相关数据。它找到joinModel但不能扩展到其他表的数据。CakePHP读取hasMany通过关系
产品型号:
class Item extends AppModel {
public $name = 'Item';
public $belongsTo = array('Category');
public $hasMany = array('GroclistItem');
}
Groclist型号:
class Groclist extends AppModel {
public $name = 'Groclist';
public $belongsTo = array('Category');
public $hasMany = array('GroclistItem');
}
GroclistItem型号:
class GroclistItem extends AppModel {
public $name = 'GroclistItem';
public $belongsTo = array('Groclist', 'Item');
public $useTable = 'groclists_items';
}
GroclistController查看操作:
public function view($id = null) {
if (!$id) {
$this->Session->setFlash(__('Invalid list', true));
$this->redirect(array('action' => 'index'));
}
$this->set('groclist', $this->Groclist->read(null, $id));
}
的$ groclist调试:
app\View\Groclists\view.ctp (line 80)
Array
(
[Groclist] => Array
(
[id] => 3
[name] => This Week
[user_id] =>
[sunday] => Pizza
[monday] => Scallops
[tuesday] => Stuffed Mushrooms
[wednesday] => Mustard Chicken with Daulphanois Potatoes
[thursday] => Sizzling Chicken and Cheese
[friday] => Walkabout Soup with Beer Bread
[saturday] => Paradise Indian
[created] => 2011-09-15 14:42:55
[modified] => 2012-02-19 16:51:00
)
[GroclistItem] => Array
(
[0] => Array
(
[id] => 18
[item_id] => 24
[groclist_id] => 3
)
[1] => Array
(
[id] => 17
[item_id] => 23
[groclist_id] => 3
)
)
)
我想GroclistItem阵列来显示这应该是一个购物清单的项目,如健怡可乐或项目数据肥皂。它在那里找到正确的关联。
为什么你有一个项目模型和GroclistItem模式?如果GroclistItem是特定类型的Item,那么Groclist当然应该有很多项目呢? – swiecki 2012-02-20 04:16:05
您的GroclistItem表看起来像hasAndBelongsToMany关系的连接表 – papachan 2012-02-20 04:20:16