Laravel eloquent:更新模型及其关系
使用 eloquent 模型,您只需调用
With an eloquent model you can update data simply by calling
$model->update( $data );
但不幸的是,这不会更新关系.
如果你也想更新关系,你需要手动分配每个值并调用 push() 然后:
If you want to update the relationships too you will need to assign each value manually and call push() then:
$model->name = $data['name'];
$model->relationship->description = $data['relationship']['description'];
$model->push();
在整个过程中,如果您要分配大量数据,它会变得一团糟.
Althrough this works it will become a mess if you have a lot of data to assign.
我正在寻找类似的东西
$model->push( $data ); // this should assign the data to the model like update() does but also for the relations of $model
有人可以帮我吗?
推荐答案
您可以实施观察者模式来捕捉更新"的 eloquent 事件.
You can implement the observer pattern to catch the "updating" eloquent's event.
首先,创建一个观察者类:
First, create an observer class:
class RelationshipUpdateObserver {
public function updating($model) {
$data = $model->getAttributes();
$model->relationship->fill($data['relationship']);
$model->push();
}
}
然后将其分配给您的模型
Then assign it to your model
class Client extends Eloquent {
public static function boot() {
parent::boot();
parent::observe(new RelationshipUpdateObserver());
}
}
当你调用 update 方法时,更新"事件将被触发,因此观察者将被触发.
And when you will call the update method, the "updating" event will be fired, so the observer will be triggered.
$client->update(array(
"relationship" => array("foo" => "bar"),
"username" => "baz"
));
有关事件的完整列表,请参阅 laravel 文档.
See the laravel documentation for the full list of events.
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