我试图构建一个显示用户备忘录表的视图。备忘录有一个类型(memo_type)和多个作者 - 作者表由记录组成:id, memo_id, user_id, precedence
,MemoType为id, memo_type_desc
。 (备忘录也有一个所有者(Memo.user_id),但这是一个简单的查询,我有一个单独的表,它工作正常)使用可包含,模型关联查找()与深度关联
这个想法是,当我查看有关用户的详细信息时,我显示一个表备忘录的用户被列为作者,并且包括具有递归= 3(详见下文备忘录型(字母,演示等)
所以,虽然我可以得到阵列I从一个读(需要) ),这很慢并且检索TON的数据,所以我试图使用包含。 (我可以离开了memo_type_desc但最终用户需要它。)
OK,所以我把public $actsAs = array('Containable');
在app_model.php
大的事情,这里要注意的是,我得到相同的阵列后面不管MemoTypes的附加关联级别 - 当我添加=> array('MemoTypes.memo_type_desc')
时,我在数组中看不到额外的级别。并且在第三级关联中,我还得到一个错误:
警告(512):模型“备忘录”未与模型“MemoTypes”关联[CORE/cake/libs/model/behaviors/containable.php, line 343
模型关联如下,这里是user_controller中的View函数。任何想法我的备忘录/ MemoTypes关联或find()语法有什么问题?
编辑:哦,我是一个蛋糕新手,我继承了这个应用程序。 PS,该表由view.ctp中的foreach构建,但分页肯定会更好,但不知道从哪里开始。 = O
// Trying to get Containable method to work...
$this->set('userstuff', $this->User->find('all', array(
'conditions' => array('User.id' => $id),
'contain' => array(
'Author.user_id',
'Author.precedence',
'Author.memo_id' => array(
'Memo.memo_type_id' => array(
'MemoTypes.memo_type_id' // <--problem here?
)
)
)
)));
结果:
Array
(
[0] => Array
(
[User] => Array
(
[id] => 1026
[group_id] => 2
[name] => John Doe
[username] => jd20001
[grpnum] => 99
[created] => 2010-03-22 15:08:35
[modified] => 2012-04-05 13:31:15
)
[Author] => Array
(
[0] => Array
(
[user_id] => 1026
[precedence] => 0
[memo_id] => 2579
[Memo] => Array
(
[memo_type_id] => 1
)
)
[1] => Array
(
[user_id] => 1026
[precedence] => 0
[memo_id] => 2583
[Memo] => Array
(
[memo_type_id] => 1
)
)
[2] => Array...
更多:
// Works, but retrieves entire users/memos tables so large memory footprint
$this->User->recursive = 3;
$this->set('user', $this->User->read(null, $id));
user.php的:
var $belongsTo = array(
'Group' => array(
'className' => 'Group',
'foreignKey' => 'group_id'
)
);
var $hasMany = array(
'Author' => array(
'className' => 'Author',
'foreignKey' => 'user_id',
'dependent' => true
),
'Memo' => array(
'className' => 'Memo',
'foreignKey' => 'user_id',
'dependent' => false
)
);
Memo.php:
var $hasMany = array(
'Author' => array(
'className' => 'Author',
'foreignKey' => 'memo_id',
'dependent' => true,
'order' => 'precedence'
)
);
var $belongsTo = array(
'User' => array(
'className' => 'User',
'foreignKey' => 'user_id',
'conditions' => '',
'fields' => '',
'order' => ''
),
'MemoType' => array(
'className' => 'MemoType',
'foreignKey' => 'memo_type_id',
'conditions' => '',
'fields' => '',
'order' => ''
)
);
Memo_type.php:
var $hasMany = array(
'Memo' => array(
'className' => 'Memo',
'foreignKey' => 'memo_type_id',
'dependent' => false
)
);