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php实现对象克隆的方法

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2016-06-13 09:00:12841browse

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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