CakePHP：发布的文件数据未包含在request-> data中 [英] CakePHP: posted file data not included in request->data

问题描述

我尝试将文件上传到第三方端点，但是我无法直接从我的表单发布文件，因为API需要一个api_key，我无法向最终用户公开。因此，我的计划是将表单指向一个控制器/操作，并从那里发布数据。但是，当我在控制器内部 debug（$ this-> request-> data）时，文件数据丢失。

I'm trying to upload a file to 3rd party endpoint, but I can't post the file directly from my form because the API requires an api_key which I can't expose to the end user. Therefore, my plan was to point the form to a controller/action and post the data from there. However, when I debug($this->request->data) from inside the controller, the file data is missing.

视图上的表单：

echo $this->Form->create('Media', array('type'=>"file", 'url'=>array('controller'=>'media', 'action'=>'upload') ) );
echo $this->Form->input('name', array("name"=>"name") );
echo $this->Form->input('file', array('type'=>'file', "name"=>"file") );
echo $this->Form->input('project_id', array('type'=>'hidden', "name"=>"project_id", "value"=>$project["Project"]['hashed_id']) );
//THIS CANNOT BE HERE: echo $this->Form->input('api_password', array('type'=>'hidden', "name"=>"api_password", "value"=>'xxxxxxx') );
echo $this->Form->end("Submit");

这是我看到当我 debug（）来自控制器的请求数据：

Here's what what I see when I debug() the request data from the controller:

array(
    'name' => 'Some Name',
    'project_id' => 'dylh360omu',
)

在这里？

推荐答案

文件上传数据只能在 CakeRequest :: data 如果输入元素名称在名为 data 的数组中传递（这是当不手动定义特定名称时的默认值），即：

File upload data can only be found in CakeRequest::data in case the input element name is passed in an array named data (which is the default when not defining a specific name manually), ie:

<input type='file' name='data[file]'>

然而，在您的情况下，元素将如下所示：

In your case however, the element will look like this:

<input type='file' name='file'>

这将导致文件数据放在 CakeRequest :: params [ form] 。

which will cause the files data to be put in CakeRequest::params[form].

https://github.com/cakephp/cakephp/blob/2.4.0/lib/Cake/Network/CakeRequest.php#L346

https://github.com/cakephp/cakephp/blob/2.4.0/lib/Cake/Network/CakeRequest.php#L346

因此，请更改表单中的名称：

So either change the name in the form accordingly:

$this->Form->input('file', array('type' => 'file', 'name' => 'data[file]'));

或者通过 CakeRequest :: params [form] code>：

Or access the file data via CakeRequest::params[form]:

debug($this->request->params['form']);

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