yii\mongodb\file\Upload - Yii2 类参考手册

Class yii\mongodb\file\Upload

Inheritance	yii\mongodb\file\Upload » yii\base\BaseObject
Implements	yii\base\Configurable
Available since version	2.1

Upload represents the GridFS upload operation.

An Upload object is usually created by calling yii\mongodb\file\Collection::createUpload().

Note: instance of this class is 'single use' only. Do not attempt to use same Upload instance for multiple file upload.

Usage example:

$document = Yii::$app->mongodb->getFileCollection()->createUpload()
    ->addContent('Part 1')
    ->addContent('Part 2')
    // ...
    ->complete();

Public Properties

隐藏继承的属性 Hide inherited properties

属性Property	类型 Type	简介 Description	定义在 Defined By
$chunkCount	integer	File chunk counts.	yii\mongodb\file\Upload
$chunkSize	integer	Chunk size in bytes.	yii\mongodb\file\Upload
$collection	yii\mongodb\file\Collection	File collection to be used.	yii\mongodb\file\Upload
$document	array	Additional file document contents.	yii\mongodb\file\Upload
$filename	string	Filename to be used for file storage.	yii\mongodb\file\Upload
$length	integer	Total upload length in bytes.	yii\mongodb\file\Upload

Public Methods

隐藏继承的方法 Hide inherited methods

方法 Method	简介 Description	定义在 Defined By
__call()	Calls the named method which is not a class method.	yii\base\BaseObject
__construct()	Constructor.	yii\base\BaseObject
__destruct()	Destructor.	yii\mongodb\file\Upload
__get()	Returns the value of an object property.	yii\base\BaseObject
__isset()	Checks if a property is set, i.e. defined and not null.	yii\base\BaseObject
__set()	Sets value of an object property.	yii\base\BaseObject
__unset()	Sets an object property to null.	yii\base\BaseObject
addContent()	Adds string content to the upload.	yii\mongodb\file\Upload
addFile()	Adds a file content to the upload.	yii\mongodb\file\Upload
addStream()	Adds stream content to the upload.	yii\mongodb\file\Upload
canGetProperty()	Returns a value indicating whether a property can be read.	yii\base\BaseObject
canSetProperty()	Returns a value indicating whether a property can be set.	yii\base\BaseObject
cancel()	Cancels the upload.	yii\mongodb\file\Upload
className()	Returns the fully qualified name of this class.	yii\base\BaseObject
complete()	Completes upload.	yii\mongodb\file\Upload
hasMethod()	Returns a value indicating whether a method is defined.	yii\base\BaseObject
hasProperty()	Returns a value indicating whether a property is defined.	yii\base\BaseObject
init()	Initializes the object.	yii\mongodb\file\Upload

属性详情 Property Details

$chunkCount public property

File chunk counts.

public integer $chunkCount = 0

$chunkSize public property

Chunk size in bytes.

public integer $chunkSize = 261120

$collection public property

File collection to be used.

public yii\mongodb\file\Collection $collection = null

$document public property

Additional file document contents. Common GridFS columns:

metadata: array, additional data associated with the file.
aliases: array, an array of aliases.
contentType: string, content type to be stored with the file.

public array $document = []

$filename public property

Filename to be used for file storage.

public string $filename = null

$length public property

Total upload length in bytes.

public integer $length = 0

方法详情 Method Details

__destruct() public method

Destructor.

Makes sure abandoned upload is cancelled.

public void __destruct ( )

addContent() public method

Adds string content to the upload.

This method can invoked several times before complete() is called.

public $this addContent ( $content )
$content	string	Binary content.
return	$this	Self reference.

addFile() public method

Adds a file content to the upload.

This method can invoked several times before complete() is called.

public $this addFile ( $filename )
$filename	string	Source file name.
return	$this	Self reference.

addStream() public method

Adds stream content to the upload.

This method can invoked several times before complete() is called.

public $this addStream ( $stream )
$stream	resource	Data source stream.
return	$this	Self reference.

cancel() public method

Cancels the upload.

public void cancel ( )

complete() public method

Completes upload.

public array complete ( )
return	array	Saved document.

init() public method

Initializes the object.

This method is invoked at the end of the constructor after the object is initialized with the given configuration.

public void init ( )