3
我正在尝试为我正在处理的项目编写一个元行为，这将允许我将自定义变量/属性分配给模型，类似于您可以创建自定义在wordpress文章中的字段。修改使用saveAll时beforeSave行为的模型数据
我已经创建了一个元行为，它将元模型绑定到它正在执行的模型，并且还具有一个beforeSave回调，它通过模型数据变量循环并将模型名称放入元数组中。
一切都在保存，但是当我检查数据库时，模型字段回来了。
为元数据库结构是
id - A unique if for the meta
model - The name of the model that this meta entry is associated with
foreign_id - The id of the above model that this meta entry is associated with
key - Name of the meta variable
value - Value of the meta variable
附带到白水回收函数从表单的数据是
Array
(
[Page] => Array
(
[id] => 12
[name] => Test
[slug] => a/b/c/d
[layout] => 0
[body] => Test multilevel
)
[Meta] => Array
(
[0] => Array
(
[id] => 1
[key] => page_title
[value] => About Us
)
[1] => Array
(
[id] => 6
[key] => test4
[value] => test
)
[2] => Array
(
[key] => test3
[value] => lala
)
)
)
它已通过行为运行后beforeSave它是
Array
(
[Page] => Array
(
[id] => 12
[name] => Test
[slug] => a/b/c/d
[layout] => 0
[body] => Test multilevel
[modified] => 2010-05-04 15:56:54
)
[Meta] => Array
(
[0] => Array
(
[id] => 1
[key] => page_title
[value] => About Us
[model] => Page
)
[1] => Array
(
[id] => 6
[key] => test4
[value] => test
[model] => Page
)
[2] => Array
(
[key] => test3
[value] => lala
[model] => Page
)
)
)
行为代码是
<?php
/**
* Meta Model Behavior
*
* Adds custom variables to models
*
**/
class MetaBehavior extends ModelBehavior {
/**
* Contains configuration settings for use with individual model objects.
* Individual model settings should be stored as an associative array,
* keyed off of the model name.
*
* @var array
* @access public
* @see Model::$alias
*/
var $__settings = array();
var $__defaults = array(
'class' => 'Meta',
'foreign_key' => 'foreign_id',
'dependent' => true,
'auto_bind' => true
);
/**
* Initiate Meta Behavior
*
* @param object $model
* @param array $config
* @return void
* @access public
*/
function setup(&$model, $settings = array()) {
$default = $this->__defaults;
$default['conditions'] = array('Meta.model' => $model->alias);
if (!isset($this->__settings[$model->alias])) {
$this->__settings[$model->alias] = $default;
}
$this->__settings[$model->alias] = array_merge($this->__settings[$model->alias], ife(is_array($settings), $settings, array()));
if ($this->__settings[$model->alias]['auto_bind']) {
$hasManyMeta = array(
'Meta' => array(
'className' => $this->__settings[$model->alias]['class'],
'foreignKey' => $this->__settings[$model->alias]['foreign_key'],
'dependent' => $this->__settings[$model->alias]['dependent'],
'conditions' => $this->__settings[$model->alias]['conditions']
)
);
$metaBelongsTo = array(
$model->alias => array(
'className' => $model->alias,
'foreignKey' => $this->__settings[$model->alias]['foreign_key']
)
);
$model->bindModel(array('hasMany' => $hasManyMeta), false);
$model->Meta->bindModel(array('belongsTo' => $metaBelongsTo), false);
}
}
function beforeSave(&$model) {
foreach($model->data[$this->__settings['class']] as $key => $value) {
$model->data[$this->__settings['class']][$key]['model'] = $model->alias;
}
return true;
}
} // End of MetaBehavior
?>
我有一种感觉，它可能是因为关系和saveall在保存关联时使用传递的数据（原始）。
我认为这样做的唯一方法是删除关系并将一些代码放入行为的afterSave函数中以处理保存，然后将其他代码放入afterFind中以检索它们。
任何想法？
干杯， 院长
为什么不通过正常的HasMany关联将Meta与您的Page模型关联？你是否需要将Meta与其他模型联系起来？ – 2011-02-02 23:53:49