Rumah >pembangunan bahagian belakang >tutorial php >怎么在子类用父类的魔术方法

怎么在子类用父类的魔术方法

WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWB
WBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBOYWBasal
2016-06-23 13:52:55951semak imbas

父类:P

class P{    private $name="";    function __construct(){        $this->name="hello";    }    public function __set($name, $value){                $this->$name=$value;          }    public function showName(){        echo $this->name;    }}

子类:C
class C extends P{    function __construct(){        parent::__construct();        //想在这里给P类的$name换个值(你好)怎么做?    }    }


$c=new C;
$c->showName;
然后输出:你好
怎么实现?


回复讨论(解决方案)

class P{    private $name="";    function __construct(){        $this->name="hello";    }    public function __set($name, $value){                $this->$name=$value;          }    public function showName(){        echo $this->name;    }}class C extends P{    function __construct(){        parent::__construct();        $this->name = '你好';    }    }$c=new C;$c->showName();print_r($c);
你好
C Object
(
    [name:P:private] => 你好
)

class P{    private $name="";    function __construct(){        $this->name="hello";    }    public function __set($name, $value){        $this->$name=$value;    }    public function showName(){        echo $this->name;    }}class C extends P{    function __construct(){        parent::__construct();         //想在这里给P类的$name换个值(你好)怎么做?		 $this->name = '你好';    }}$obj = new C();$obj->showName();

Kenyataan:
Kandungan artikel ini disumbangkan secara sukarela oleh netizen, dan hak cipta adalah milik pengarang asal. Laman web ini tidak memikul tanggungjawab undang-undang yang sepadan. Jika anda menemui sebarang kandungan yang disyaki plagiarisme atau pelanggaran, sila hubungi admin@php.cn