尝试使用 cakephp mysql 显示图像

Question

我正在尝试使用 cakephp 和 mysql 显示图像。我的代码正在运行，但它没有显示图像 uploadsController 是::

<?php
class UploadsController extends AppController{
    var $name='Uploads';
    function share_video($stu_id=null)
    {
          $this->set('stu',$stu_id);
                $tut=$this->Session->read('tutor_id');
                $data=$this->Upload->query("select * from tutors AS Tutor where tutor_id='$tut'");
                $this->set('val1',$data);
                if (!empty($this->data)) {
					$this->Upload->create();
					if ($this->uploadFile() && $this->Upload->save($this->data))  {
						$this->Session->setFlash(__('The upload has been saved', true));
						//$this->redirect(array('action' => 'index'));
					} else {
						$this->Session->setFlash(__('The upload could not be saved. Please, try again.', true));
					}
			}
                       $data=$this->Upload->find('all');
                        $this->set('val2',$data);
                        $this->layout='tutor';
		}
		function uploadFile() {
                    $id = mysql_insert_id();
		  $file = $this->data['Upload']['file'];
             if ($file['error'] === UPLOAD_ERR_OK) {
			//$id = String::uuid();
			if (move_uploaded_file($file['tmp_name'], APP.'webroot/uploads'.DS.$file['name'])) {
			 $this->request->data['Upload']['upload_id'] = $id;
			  $this->request->data['Upload']['filename'] = $file['name'];
			  $this->request->data['Upload']['filesize'] = $file['size'];
			  $this->request->data['Upload']['filemime'] = $file['type'];
			  return true;
			}
		  }
                  
		  return false;
		
            
    }
    function download($filename=null)
    {
        $data=$this->Upload->find('all',array('conditions'=>array('filename'=>$filename)));
        $this->set('val1',$data);
    }
}
?>

我的 download.ctp 文件是：

html->image('uploads/'.$val1[0]['Upload']['filename']); //echo 'Html->url(array('controller' => 'uploads','action' => 'download',$val1[0]['Upload']['filename'])).'" 宽度="100" 高度="100"/>'; ?>

Answer 1

if (move_uploaded_file($tmp_name['tmp_name'],WWW_ROOT."/img/uploads/".$file['name']‌​)) { /* conditions*/ }

$data=$this->Upload->find('first',array('conditions'=>array('filename'=>$filenam‌​e)));

echo $this->Html->image('uploads/'.$val1['Upload']['filename'],array('class'=>'media-‌​‌​object img img-thumbnail','alt'=>$val1['Upload']['filename']) );