php实现对象克隆的方法
本文实例讲述了php实现对象克隆的方法。分享给大家供大家参考。具体如下:
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//定义类staff,其中包括属性id和name class staff { private $id; private $name; function setID($id) { $this->id = $id; } function getID() { return $this->id; } function setName($name) { $this->name = $name; } function getName() { return $this->name; } } //创建一个新的staff对象并初始化 $ee1 = new staff(); $ee1->setID("145"); $ee1->setName("Simon"); //克隆一个新的对象 $ee2 = clone $ee1; //重新设置新对象的ID值 $ee2->setID("146"); //输出ee1和ee2 echo "ee1 ID: ".$ee1->getID()." echo "ee1 Name: ".$ee1->getName()." echo "ee2 ID: ".$ee2->getID()." echo "ee2 Name: ".$ee2->getName()." ?> |
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//定义类staff,其中包括属性id和name class staff { private $id; private $name; function setID($id) { $this->id = $id; } function getID() { return $this->id; } function setName($name) { $this->name = $name; } function getName() { return $this->name; } //这里是__clone函数 function __clone() { $this->id = $this->id + 1; } } //创建一个新的staff对象并初始化 $ee1 = new staff(); $ee1->setID("145"); $ee1->setName("Simon"); //克隆一个新的对象 $ee2 = clone $ee1; //重新设置新对象的ID值 //$ee2->setID("146"); //输出ee1和ee2 echo "ee1 ID: ".$ee1->getID()." echo "ee1 Name: ".$ee1->getName()." echo "ee2 ID: ".$ee2->getID()." echo "ee2 Name: ".$ee2->getName()." ?> |
希望本文所述对大家的php程序设计有所帮助。

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