2009-02-10 20:55:53

�� /Manual / Developing / Components / Creating �� 2009-02-10 20:55:53 � 2009-02-10 21:50:44

��:

��, �� , �� , �� precision � randomGenerator � �� initialize() �� MathComponent �� .

�� MVC ��

�� , �� initialize() �� startup(). �� . �� initialize() �� beforeFilter(), � startup() �� – �� beforeFilter(). ��, �� -�� , �� , �� startup() �� , �� $disableStartup �� true.
�� -�� , �� beforeFilter() ��, �� initialize().
class Check Component? extends Object {

//�� Controller::beforeFilter()
function initialize(&$controller) {

// ��
$this->controller =& $controller;

}
//�� Controller::beforeFilter()
function startup(&$controller) {
}
function redirectSomewhere($value) {

// ��
$this->controller->redirect($value);

}

�� . �� $components � �� , �� .
�� initialize �� !
class My Component? extends Object {

// ��
var $components = array('Session', 'Math');
function doStuff() {

$result = $this->Math->doComplexOperation(1, 2);
$this->Session->write('stuff', $result);

}

�� , � �� , �� ; ��, �� , �� , �� -�� .
�� :

function doComplexOperation($amount1, $amount2) {

return $amount1 + $amount2;

}
function doUberComplexOperation ($amount1, $amount2) {

$userInstance = Class Registry?::init('User');
$totalUsers = $userInstance->find('count');
return ($amount1 + $amount2) / $totalUsers;

}

��

�� . �� , �� , �� . �� , �� $components �� . ��-�� .
��:
class Parent Component? extends Object {

var $name = “Parent”;
var $components = array( “Child” );
function initialize(&$controller) {

$this->Child->foo();

function bar() {

// ...

��:
class Child Component? extends Object {

var $name = “Child”;
function initialize(&$controller) {

$this->Parent->bar();

function foo() {

// ...

<< ��? | �� >>?

CakePHP - Manual/Developing/Components/Creating

2009-02-10 21:50:44

2009-02-10 20:55:53

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