CUploadedFile
鍖 | system.web |
---|---|
缁ф壙 | class CUploadedFile » CComponent |
婧愯嚜 | 1.0 |
鐗堟湰 | $Id: CUploadedFile.php 3515 2011-12-28 12:29:24Z mdomba $ |
婧愮爜 | framework/web/CUploadedFile.php |
Call getInstance to retrieve the instance of an uploaded file, and then use saveAs to save it on the server. You may also query other information about the file, including name, tempName, type, size and error.
鍏叡灞炴
灞炴 | 绫诲瀷 | 鎻忚堪 | 瀹氫箟鍦 |
---|---|---|---|
error | integer | Returns an error code describing the status of this file uploading. | CUploadedFile |
extensionName | string | the file extension name for name. | CUploadedFile |
hasError | boolean | whether there is an error with the uploaded file. | CUploadedFile |
name | string | the original name of the file being uploaded | CUploadedFile |
size | integer | the actual size of the uploaded file in bytes | CUploadedFile |
tempName | string | the path of the uploaded file on the server. | CUploadedFile |
type | string | the MIME-type of the uploaded file (such as "image/gif"). | CUploadedFile |
鍏叡鏂规硶
鏂规硶 | 鎻忚堪 | 瀹氫箟鍦 |
---|---|---|
__call() | 濡傛灉绫讳腑娌℃湁璋冪殑鏂规硶鍚嶏紝鍒欒皟鐢ㄨ繖涓柟娉曘 | CComponent |
__construct() | Constructor. | CUploadedFile |
__get() | 杩斿洖涓涓睘鎬у笺佷竴涓簨浠跺鐞嗙▼搴忓垪琛ㄦ垨涓涓涓哄悕绉般 | CComponent |
__isset() | 妫鏌ヤ竴涓睘鎬ф槸鍚︿负null銆 | CComponent |
__set() | 璁剧疆涓涓粍浠剁殑灞炴у笺 | CComponent |
__toString() | String output. | CUploadedFile |
__unset() | 璁剧疆涓涓粍浠剁殑灞炴т负null銆 | CComponent |
asa() | 杩斿洖杩欎釜鍚嶅瓧鐨勮涓哄璞° | CComponent |
attachBehavior() | 闄勫姞涓涓涓哄埌缁勪欢銆 | CComponent |
attachBehaviors() | 闄勫姞涓涓涓哄垪琛ㄥ埌缁勪欢銆 | CComponent |
attachEventHandler() | 涓轰簨浠堕檮鍔犱竴涓簨浠跺鐞嗙▼搴忋 | CComponent |
canGetProperty() | 纭畾灞炴ф槸鍚﹀彲璇汇 | CComponent |
canSetProperty() | 纭畾灞炴ф槸鍚﹀彲鍐欍 | CComponent |
detachBehavior() | 浠庣粍浠朵腑鍒嗙涓涓涓恒 | CComponent |
detachBehaviors() | 浠庣粍浠朵腑鍒嗙鎵鏈夎涓恒 | CComponent |
detachEventHandler() | 鍒嗙涓涓瓨鍦ㄧ殑浜嬩欢澶勭悊绋嬪簭銆 | CComponent |
disableBehavior() | 绂佺敤涓涓檮鍔犺涓恒 | CComponent |
disableBehaviors() | 绂佺敤缁勪欢闄勫姞鐨勬墍鏈夎涓恒 | CComponent |
enableBehavior() | 鍚敤涓涓檮鍔犺涓恒 | CComponent |
enableBehaviors() | 鍚敤缁勪欢闄勫姞鐨勬墍鏈夎涓恒 | CComponent |
evaluateExpression() | 璁$畻涓涓狿HP琛ㄨ揪寮忥紝鎴栨牴鎹粍浠朵笂涓嬫枃鎵ц鍥炶皟銆 | CComponent |
getError() | Returns an error code describing the status of this file uploading. | CUploadedFile |
getEventHandlers() | 杩斿洖涓涓簨浠剁殑闄勫姞澶勭悊绋嬪簭鍒楄〃銆 | CComponent |
getExtensionName() | 杩斿洖the file extension name for name. The extension name does not include the dot character. An empty string is returned if name does not have an extension name. | CUploadedFile |
getHasError() | 杩斿洖whether there is an error with the uploaded file. Check error for detailed error code information. | CUploadedFile |
getInstance() | Returns an instance of the specified uploaded file. | CUploadedFile |
getInstanceByName() | Returns an instance of the specified uploaded file. | CUploadedFile |
getInstances() | Returns all uploaded files for the given model attribute. | CUploadedFile |
getInstancesByName() | Returns an array of instances for the specified array name. | CUploadedFile |
getName() | 杩斿洖the original name of the file being uploaded | CUploadedFile |
getSize() | 杩斿洖the actual size of the uploaded file in bytes | CUploadedFile |
getTempName() | 杩斿洖the path of the uploaded file on the server. Note, this is a temporary file which will be automatically deleted by PHP after the current request is processed. | CUploadedFile |
getType() | 杩斿洖the MIME-type of the uploaded file (such as "image/gif"). Since this MIME type is not checked on the server side, do not take this value for granted. Instead, use CFileHelper::getMimeType to determine the exact MIME type. | CUploadedFile |
hasEvent() | 纭畾涓涓簨浠舵槸鍚﹀畾涔夈 | CComponent |
hasEventHandler() | 妫鏌ヤ簨浠舵槸鍚︽湁闄勫姞鐨勫鐞嗙▼搴忋 | CComponent |
hasProperty() | 纭畾灞炴ф槸鍚﹁瀹氫箟銆 | CComponent |
raiseEvent() | 鍙戣捣涓涓簨浠躲 | CComponent |
reset() | Cleans up the loaded CUploadedFile instances. | CUploadedFile |
saveAs() | Saves the uploaded file. | CUploadedFile |
鍙椾繚鎶ゆ柟娉
鏂规硶 | 鎻忚堪 | 瀹氫箟鍦 |
---|---|---|
collectFilesRecursive() | Processes incoming files for getInstanceByName. | CUploadedFile |
prefetchFiles() | Initially processes $_FILES superglobal for easier use. | CUploadedFile |
灞炴ц缁
Returns an error code describing the status of this file uploading.
the file extension name for name. The extension name does not include the dot character. An empty string is returned if name does not have an extension name.
whether there is an error with the uploaded file. Check error for detailed error code information.
the original name of the file being uploaded
the actual size of the uploaded file in bytes
the path of the uploaded file on the server. Note, this is a temporary file which will be automatically deleted by PHP after the current request is processed.
the MIME-type of the uploaded file (such as "image/gif"). Since this MIME type is not checked on the server side, do not take this value for granted. Instead, use CFileHelper::getMimeType to determine the exact MIME type.
鏂规硶璇︾粏
public void __construct(string $name, string $tempName, string $type, integer $size, integer $error)
| ||
$name | string | the original name of the file being uploaded |
$tempName | string | the path of the uploaded file on the server. |
$type | string | the MIME-type of the uploaded file (such as "image/gif"). |
$size | integer | the actual size of the uploaded file in bytes |
$error | integer | the error code |
public function __construct($name,$tempName,$type,$size,$error)
{
$this->_name=$name;
$this->_tempName=$tempName;
$this->_type=$type;
$this->_size=$size;
$this->_error=$error;
}
Constructor. Use getInstance to get an instance of an uploaded file.
public string __toString()
| ||
{return} | string | the string representation of the object |
String output. This is PHP magic method that returns string representation of an object. The implementation here returns the uploaded file's name.
protected static void collectFilesRecursive(string $key, mixed $names, mixed $tmp_names, mixed $types, mixed $sizes, mixed $errors)
| ||
$key | string | key for identifiing uploaded file: class name and subarray indexes |
$names | mixed | file names provided by PHP |
$tmp_names | mixed | temporary file names provided by PHP |
$types | mixed | filetypes provided by PHP |
$sizes | mixed | file sizes provided by PHP |
$errors | mixed | uploading issues provided by PHP |
protected static function collectFilesRecursive($key, $names, $tmp_names, $types, $sizes, $errors)
{
if(is_array($names))
{
foreach($names as $item=>$name)
self::collectFilesRecursive($key.'['.$item.']', $names[$item], $tmp_names[$item], $types[$item], $sizes[$item], $errors[$item]);
}
else
self::$_files[$key] = new CUploadedFile($names, $tmp_names, $types, $sizes, $errors);
}
Processes incoming files for getInstanceByName.
public integer getError()
| ||
{return} | integer | the error code |
Returns an error code describing the status of this file uploading.
public string getExtensionName()
| ||
{return} | string | the file extension name for name. The extension name does not include the dot character. An empty string is returned if name does not have an extension name. |
public function getExtensionName()
{
if(($pos=strrpos($this->_name,'.'))!==false)
return (string)substr($this->_name,$pos+1);
else
return '';
}
public boolean getHasError()
| ||
{return} | boolean | whether there is an error with the uploaded file. Check error for detailed error code information. |
public function getHasError()
{
return $this->_error!=UPLOAD_ERR_OK;
}
public static CUploadedFile getInstance(CModel $model, string $attribute)
| ||
$model | CModel | the model instance |
$attribute | string | the attribute name. For tabular file uploading, this can be in the format of "[$i]attributeName", where $i stands for an integer index. |
{return} | CUploadedFile | the instance of the uploaded file. Null is returned if no file is uploaded for the specified model attribute. |
public static function getInstance($model, $attribute)
{
return self::getInstanceByName(CHtml::resolveName($model, $attribute));
}
Returns an instance of the specified uploaded file. The file should be uploaded using CHtml::activeFileField.
public static CUploadedFile getInstanceByName(string $name)
| ||
$name | string | the name of the file input field. |
{return} | CUploadedFile | the instance of the uploaded file. Null is returned if no file is uploaded for the specified name. |
public static function getInstanceByName($name)
{
if(null===self::$_files)
self::prefetchFiles();
return isset(self::$_files[$name]) && self::$_files[$name]->getError()!=UPLOAD_ERR_NO_FILE ? self::$_files[$name] : null;
}
Returns an instance of the specified uploaded file. The name can be a plain string or a string like an array element (e.g. 'Post[imageFile]', or 'Post[0][imageFile]').
public static array getInstances(CModel $model, string $attribute)
| ||
$model | CModel | the model instance |
$attribute | string | the attribute name. For tabular file uploading, this can be in the format of "[$i]attributeName", where $i stands for an integer index. |
{return} | array | array of CUploadedFile objects. Empty array is returned if no available file was found for the given attribute. |
public static function getInstances($model, $attribute)
{
return self::getInstancesByName(CHtml::resolveName($model, $attribute));
}
Returns all uploaded files for the given model attribute.
public static array getInstancesByName(string $name)
| ||
$name | string | the name of the array of files |
{return} | array | the array of CUploadedFile objects. Empty array is returned if no adequate upload was found. Please note that this array will contain all files from all subarrays regardless how deeply nested they are. |
public static function getInstancesByName($name)
{
if(null===self::$_files)
self::prefetchFiles();
$len=strlen($name);
$results=array();
foreach(array_keys(self::$_files) as $key)
if(0===strncmp($key, $name, $len) && self::$_files[$key]->getError()!=UPLOAD_ERR_NO_FILE)
$results[] = self::$_files[$key];
return $results;
}
Returns an array of instances for the specified array name.
If multiple files were uploaded and saved as 'Files[0]', 'Files[1]',
'Files[n]'..., you can have them all by passing 'Files' as array name.
public string getName()
| ||
{return} | string | the original name of the file being uploaded |
public integer getSize()
| ||
{return} | integer | the actual size of the uploaded file in bytes |
public string getTempName()
| ||
{return} | string | the path of the uploaded file on the server. Note, this is a temporary file which will be automatically deleted by PHP after the current request is processed. |
public function getTempName()
{
return $this->_tempName;
}
public string getType()
| ||
{return} | string | the MIME-type of the uploaded file (such as "image/gif"). Since this MIME type is not checked on the server side, do not take this value for granted. Instead, use CFileHelper::getMimeType to determine the exact MIME type. |
protected static void prefetchFiles()
|
protected static function prefetchFiles()
{
self::$_files = array();
if(!isset($_FILES) || !is_array($_FILES))
return;
foreach($_FILES as $class=>$info)
self::collectFilesRecursive($class, $info['name'], $info['tmp_name'], $info['type'], $info['size'], $info['error']);
}
Initially processes $_FILES superglobal for easier use. Only for internal usage.
public static void reset()
|
Cleans up the loaded CUploadedFile instances. This method is mainly used by test scripts to set up a fixture.
public boolean saveAs(string $file, boolean $deleteTempFile=true)
| ||
$file | string | the file path used to save the uploaded file |
$deleteTempFile | boolean | whether to delete the temporary file after saving. If true, you will not be able to save the uploaded file again in the current request. |
{return} | boolean | true whether the file is saved successfully |
public function saveAs($file,$deleteTempFile=true)
{
if($this->_error==UPLOAD_ERR_OK)
{
if($deleteTempFile)
return move_uploaded_file($this->_tempName,$file);
else if(is_uploaded_file($this->_tempName))
return copy($this->_tempName, $file);
else
return false;
}
else
return false;
}
Saves the uploaded file.