CakePHP的文件上傳驗證器

Question

如何在CakePHP中爲文件上傳創建驗證器？

Answer 1

var $validate = array(
     'imageupload' => array(
      'checksizeedit' => array(
       'rule' => array('checkSize',false), 
       'message' => 'Invalid File size', 
       'on' => 'update' 
      ), 
      'checktypeedit' =>array(
       'rule' => array('checkType',false), 
       'message' => 'Invalid File type', 
       'on' => 'update' 
      ), 
      'checkuploadedit' =>array(
       'rule' => array('checkUpload', false), 
       'message' => 'Invalid file', 
       'on' => 'update' 
      ), 
      'checksize' => array(
       'rule' => array('checkSize',true), 
       'message' => 'Invalid File size', 
       'on' => 'create' 
      ), 
      'checktype' =>array(
       'rule' => array('checkType',true), 
       'message' => 'Invalid File type', 
       'on' => 'create' 
      ), 
      'checkupload' =>array(
       'rule' => array('checkUpload', true), 
       'message' => 'Invalid file', 
       'on' => 'create' 
      ), 
     ) 
    ); 






function checkUpload($data, $required = false){ 
     $data = array_shift($data); 
     if(!$required && $data['error'] == 4){ 
      return true; 
     } 
     //debug($data); 
     if($required && $data['error'] !== 0){ 
      return false; 
     } 
     if($data['size'] == 0){ 
      return false; 
     } 
     return true; 

     //if($required and $data) 
    } 

    function checkType($data, $required = false,$allowedMime = null){ 
     $data = array_shift($data); 
     if(!$required && $data['error'] == 4){ 
      return true; 
     } 
     if(empty($allowedMime)){ 
      $allowedMime = array('image/gif','image/jpeg','image/pjpeg','image/png'); 
     } 

     if(!in_array($data['type'], $allowedMime)){ 
      return false; 
     } 
     return true; 
    } 

    function checkSize($data, $required = false){ 
     $data = array_shift($data); 
     if(!$required && $data['error'] == 4){ 
      return true; 
     } 
     if($data['size'] == 0||$data['size']/1024 > 2050){ 
      return false; 
     } 
     return true; 
    } 

你也可以參考this