在cakephp中上传文件

Question

How can I upload a file using cakephp? is there any framework support for file uploading or should I write my own code for this ?

Answer 1

Edit (2015): Please see the Awesome CakePHP list for current file plugins (2.x branch here )

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Original answer:

CakePHP upload plugins in active development (as of Oct 2010):

• David Persson's Media Plugin [ slides ]
• WebTechNick's CakePHP File Upload Handling Plugin [ blog post ]
• Miles Johnson's Uploader Plugin [ website ]
• Meio Código's MeioUpload 2.0 Behavior Plugin [ website ]

You could also use the File class , but I wouldn't reinvent the wheel on this one.

Answer 2

both is possible

for beginners this is probably the better choice: http://www.milesj.me/resources/script/uploader-plugin

Answer 3

To just get going try this.

I spent two days searching for a simple way to upload files, I tried lots of methods and couldn't get any to work. This works. It is not secure, it is super basic. For me it is now a springboard. I would use this to understand the processes. Then you can build it up in complexity.

For me I struggled with trying to save $this->data - but of cause it is not like the cakePHP blog tutorial. The data you want (all the file info) is buried a couple of levels down in nested arrays so $this->data['Doc']['files'] is what you are after.

SQL

CREATE TABLE IF NOT EXISTS `docs` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `name` varchar(300) NOT NULL,
    `type` varchar(300) NOT NULL,
    `tmp_name` varchar(300) NOT NULL,
    `error` tinyint(1) NOT NULL,
    `size` varchar(100) NOT NULL,
    PRIMARY KEY (`id`)
) ENGINE=InnoDB  DEFAULT CHARSET=utf8 AUTO_INCREMENT=7 ;

MODEL

<?php
    class Doc extends AppModel {
    }
?>

VIEW

<h1>Uploads</h1>
<table>
    <tr>
        <th>ID</th><th>File Name</th><th>Size</th>
    </tr>
<?php foreach($files as $file): ?>
    <tr>
        <td><?php echo $file['Doc']['id'];?></td>
        <td><?php echo $this->Html->link($file['Doc']['name'],array('controller' => 'files','action'=>'uploads',$file['Doc']['name']));?></td>
        <td><?php echo number_format($file['Doc']['size']/1023,0).' KB';?></td>
    </tr>
<?php endforeach;?>
</table>

<h1>Add a File</h1>
<?php 
echo $this->Form->create('Doc',array('type'=>'file'));
echo $this->Form->file('File');
echo $this->Form->submit('Upload');
echo $this->Form->end();
?>

CONTROLLER

<?php
class DocsController extends AppController
{
    public $helpers = array('Html','Form','Session');
    public function index()
    {
        // -- list the files -- //
        $this->set('files',$this->Doc->find('all'));
        // -- Check for error -> Upload file to folder -> Add line to database -- //
        if($this->request->is('post')) 
        {
            if($this->data['Doc']['File']['error']=='0')
            {   
                if(file_exists('files/uploads/' . $this->data['Doc']['File']['name']))
                {
                    $this->Session->setFlash('A file called ' .$this->data['Doc']['File']['name']. ' already exists');
                } else {
                    move_uploaded_file($this->data['Doc']['File']['tmp_name'], 'files/uploads/' . $this->data['Doc']['File']['name']);
                }
                $this->Doc->save($this->data['Doc']['File']);
                $this->redirect(array('action'=>'index'));
            }
        }
    }
}
?>

Answer 4

This component could help you out: http://cakeforge.org/snippet/detail.php?type=snippet&id=36 . Allows uploads to either a database or a directory using FTP. I have some experience with CakePHP, however I have not yet tried this component.