<div class="codetitle"><a style="CURSOR: pointer" data="33494" class="copybut" id="copybut33494" onclick="doCopy('code33494')"> 代码如下:<div class="codebody" id="code33494"> <?php /* 原型模式 用原型实例指定创建对象的种类.并且通过拷贝这个原型来创建新的对象 / abstract class Prototype { private $_id = null; public function construct($id) { $this->_id = $id; } public function getID() { return $this->_id; } public function clone() // magic function { $this->_id += 1; } public function getClone() { return clone $this; } } class ConcretePrototype extends Prototype { } // $objPrototype = new ConcretePrototype(0); $objPrototype1 = clone $objPrototype; echo $objPrototype1->getID()." "; $objPrototype2 = $objPrototype; echo $objPrototype2->getID()." "; $objPrototype3 = $objPrototype->getClone(); echo $objPrototype3->getID()." ";
(编辑:李大同)
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