CakePHP：将 $this->data 从控制器传递到视图
我正在使用 CakePHP 1.2，我只是想知道将 $this->data 从控制器传递到视图是否有任何副作用。
例如：
// inside PostsController, I have this code:
$this->data['Posts'] = $this->Post->find('all');
而不是 :
$posts = $this->Post->find('all');
$this->set(compact('posts'));
// inside the /posts/view, I access it like this:
<?php foreach ($this->data['Posts'] as $post) {....};?>
通过这样做，我从控制器中一起跳过了 $this->set() 。这是否违反了任何 MVC 模式或我可能忽略的任何安全问题？我看到使用 Auth 组件，$this->data 包含 [_Token] 数组。
谢谢
I'm using CakePHP 1.2 and I'm just wondering if there is any side affect on passing the $this->data to the View from the Controller.
Ex:
// inside PostsController, I have this code:
$this->data['Posts'] = $this->Post->find('all');
instead of :
$posts = $this->Post->find('all');
$this->set(compact('posts'));
// inside the /posts/view, I access it like this:
<?php foreach ($this->data['Posts'] as $post) {....};?>
By doing this, I skipped the $this->set() from the controller all together. Does this violate any MVC pattern or any security issue that I might have overlook? I saw that using the Auth Component, $this->data contains the [_Token] array.
Thanks
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您需要注意 Cake Helpers 自动查找数据的不同位置，因为这才是真正产生影响的地方。表单助手将根据
$this->data的内容自动填写字段。这就是验证失败时表单数据保留的方式。 OTOH，因此，
$this->data有它特殊的地方，不应该轻易使用，就像命名变量有其用途一样，不应该被忽视。酌情使用两者。如果您不想自动设置表单助手内容，请set()您的变量。恕我直言，分配一个暗示其包含的数据的变量名称也更具可读性。在$this->data上操作的所有视图都不如在$foo上操作的一个视图和在$bar上操作的另一个视图清晰。You need to be aware of the different places that Cake Helpers automagically look for data, since that is were it makes a real difference. The Form Helper will fill in fields automatically based on the contents of
$this->data. That's how form data persists when validation fails. OTOH, a<select>elements options array is automatically taken from the pluralized field name,e.g.
$form->select('Model.foo_id')will take its options from$foosif set.As such,
$this->datahas its special place and shouldn't be used lightly, just as named variables have their use and shouldn't be ignored. Use both as appropriate. If you don't want to auto-set Form Helper content,set()your variables. IMHO it's also more readable to assign a variable name that hints at the data it contains. All your views operating on$this->datais less clear than one view operating on$fooand another on$bar.在 CakePHP 2.x 中，如果是普通的
$this->data，则应该使用$this->request->data，否则您最终可能会收到此错误：In CakePHP 2.x you should use
$this->request->datainstead if plain$this->data, otherwise you might end up getting this error:$controller->data表示从视图文件发布到控件的数据。$view->data用于一般数据。我会避免这样做以使自己保持理智。除此之外，您还在视图中输入更多内容。
$controller->datais meant for data posted to the control from view file.$view->datais for general data.I would avoid doing it to keep myself sane. besides you are typing more in view.
除了使用表单之外，没有充分的理由直接设置 $this->data 。
为什么打破约定 - Controller:set 的存在是有原因的。如果您想将数据传递到视图以用于显示或显示逻辑目的，您应该使用提供的函数，而不是尝试使用 Controller:data 来实现意想不到的目的。
如果您遵循规则并以预期的正确方式做事，那么在 CakePHP 中一切都会变得更容易。
There is no good reason for setting $this->data directly except when working with forms.
Why break convention - Controller:set is there for a reason. If you want to pass data to the view for display or display logic purposes you should use the function provided instead of trying to co-opt Controller:data for unintended purposes.
Everything is easier from within CakePHP if you follow the rules and do things the expected, correct way.
在
cakephp版本 2.* 中，当您尝试在$this->data上设置数据时会发生错误In
cakephpversion 2.*, error occurs when you try to set data on$this->data