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<?php
/**
* 橋接模式
*
* 將抽象部份與它實(shí)現(xiàn)部分分離,使用它們都可以有獨(dú)立的變化
*/
abstract class Implementor
{
abstract public function operation();
}
class ConcreteImplementorA extends Implementor
{
public function operation()
{
echo "ConcreteImplementorA Operation<br/>";
}
}
class ConcreteImplementorB extends Implementor
{
public function operation()
{
echo "ConcreteImplementorB Operation<br/>";
}
}
class Abstraction
{
protected $_implementor = null;
public function setImplementor($implementor)
{
$this->_implementor = $implementor;
}
public function operation()
{
$this->_implementor->operation();
}
}
class RefinedAbstraction extends Abstraction
{
}
class ExampleAbstraction extends Abstraction
{
}
//
$objRAbstraction = new RefinedAbstraction();
$objRAbstraction->setImplementor(new ConcreteImplementorB());
$objRAbstraction->operation();
$objRAbstraction->setImplementor(new ConcreteImplementorA());
$objRAbstraction->operation();
$objEAbstraction = new ExampleAbstraction();
$objEAbstraction->setImplementor(new ConcreteImplementorB());
$objEAbstraction->operation();
php技術(shù)：php設(shè)計(jì)模式 Bridge (橋接模式)，轉(zhuǎn)載需保留來源！
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