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825天前<!-- 通过$this 传递对象 |
在这个例子中,我们写一个根据不同的年龄发不同工资的类. |
我们设置处理年龄和工资的业务模型为一个独立的类. |
--> |
<? |
class User{ |
private $age ; |
private $sal ; |
private $payoff ; //声明全局属性. |
|
//构造函数,中创建Payoff的对象. |
public function __construct(){ |
$this->payoff = new Payoff(); |
} |
public function getAge(){ |
return $this->age; |
} |
public function setAge($age){ |
$this->age = $age; |
} |
// 获得工资. |
public function getSal(){ |
$this->sal = $this->payoff->figure($this); |
return $this->sal; |
} |
} |
//这是对应工资与年龄关系的类. |
class Payoff{ |
public function figure($a){ |
$sal =0; |
$age = $a->getAge(); |
if($age >80 || $age <16 ){ |
$sal = 0; |
}elseif ($age > 50){ |
$sal = 1000; |
}else{ |
$sal = 800; |
} |
return $sal; |
} |
} |
//实例化User |
$user = new User(); |
$user->setAge(55); |
echo $user->getAge()."age ,his sal is " . $user->getSal(); |
echo "<br>"; |
$user->setAge(20); |
echo $user->getAge()."age , his sal is " . $user->getSal(); |
echo "<br>"; |
$user->setAge(-20); |
echo $user->getAge()."age , his sal is " . $user->getSal(); |
echo "<br>"; |
$user->setAge(150); |
echo $user->getAge()."age , his sal is " . $user->getSal(); |
?> |
by: 发表于：2017-10-19 09:40:55 顶(0) | 踩(0) 回复
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