output:
title title title title Array ( [coverUrl] => ) CdProduct is a subclass of ShopProduct CdProduct is a subclass of incidental CdProduct is an interface of incidental
__call方法
<?php
class OtherShop {
function thing() {
print "thingn";
}
function andAnotherthing() {
print "another thingn";
}
}
class Delegator {
private $thirdpartyShop;
function __construct() {
$this->thirdpartyShop = new OtherShop();
}
function __call( $method, $args ) { // 当调用未命名方法时执行call方法
if ( method_exists( $this->thirdpartyShop, $method ) ) {
return $this->thirdpartyShop->$method( );
}
}
}
$d = new Delegator();
$d->thing();
?>
output:
thing
传参使用
<?php
class OtherShop {
function thing() {
print "thingn";
}
function andAnotherthing( $a, $b ) {
print "another thing ($a, $b)n";
}
}
class Delegator {
private $thirdpartyShop;
function __construct() {
$this->thirdpartyShop = new OtherShop();
}
function __call( $method, $args ) {
if ( method_exists( $this->thirdpartyShop, $method ) ) {
return call_user_func_array(
array( $this->thirdpartyShop,
$method ), $args );
}
}
}
$d = new Delegator();
$d->andAnotherThing( "hi", "hello" );
?>
output:
another thing (hi, hello)
反射API
fullshop.php
<?php
class ShopProduct {
private $title;
private $producerMainName;
private $producerFirstName;
protected $price;
private $discount = 0;
public function __construct( $title, $firstName,
$mainName, $price ) {
$this->title = $title;
$this->producerFirstName = $firstName;
$this->producerMainName = $mainName;
$this->price = $price;
}
public function getProducerFirstName() {
return $this->producerFirstName;
}
public function getProducerMainName() {
return $this->producerMainName;
}
public function setDiscount( $num ) {
$this->discount=$num;
}
public function getDiscount() {
return $this->discount;
}
public function getTitle() {
return $this->title;
}
public function getPrice() {
return ($this->price - $this->discount);
}
public function getProducer() {
return "{$this->producerFirstName}".
" {$this->producerMainName}";
}
public function getSummaryLine() {
$base = "{$this->title} ( {$this->producerMainName}, ";
$base .= "{$this->producerFirstName} )";
return $base;
}
}
class CdProduct extends ShopProduct {
private $playLength = 0;
public function __construct( $title, $firstName,
$mainName, $price, $playLength=78 ) {
parent::__construct( $title, $firstName,
$mainName, $price );
$this->playLength = $playLength;
}
public function getPlayLength() {
return $this->playLength;
}
public function getSummaryLine() {
$base = parent::getSummaryLine();
$base .= ": playing time - {$this->playLength}";
return $base;
}
}
class BookProduct extends ShopProduct {
private $numPages = 0;
public function __construct( $title, $firstName,
$mainName, $price, $numPages ) {
parent::__construct( $title, $firstName,
$mainName, $price );
$this->numPages = $numPages;
}
public function getNumberOfPages() {
return $this->numPages;
}
public function getSummaryLine() {
$base = parent::getSummaryLine();
$base .= ": page count - {$this->numPages}";
return $base;
}
public function getPrice() {
return $this->price;
}
}
/*
$product1 = new CdProduct("cd1", "bob", "bobbleson", 4, 50 );
print $product1->getSummaryLine()."n";
$product2 = new BookProduct("book1", "harry", "harrelson", 4, 30 );
print $product2->getSummaryLine()."n";
*/
?>
<?php
require_once "fullshop.php";
$prod_class = new ReflectionClass( 'CdProduct' );
Reflection::export( $prod_class );
?>
