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| <?php
//声明一个笔记本的类
class NoteBook{
//成员属性
private $name;
private $type;
private $os;
private $work;
//构造函数:创建和初始化对象成员属性
function __construct($name,$type,$os,$work){
$this->name = $name;
$this->type = $type;
$this->os = $os;
$this->work = $work;
}
function __get($proName){
return "======>".$this->$proName."<======<br/>";
}
function __set($proName,$proValue){
echo "======>".$this->$proName = $proValue."<======<br/>";
}
function __isset($proName){
return isset($this->$proName);
}
function __unset($proName){
unset($this->$proName);
}
//成员方法
function say(){
return "<p>应用于".$this->work." - ".
$this->name." - ".
$this->type." - ".
$this->os."</p>";
}
}
$macbook = new NoteBook("MacBook Pro","MC374","Mac OS X Snow Leopard","设计");
echo $macbook->say();
echo $macbook->name;
echo $macbook->type;
echo $macbook->os;
echo $macbook->work;
echo "<hr/>";
$macbook->name = "SONY";
$macbook->type = "ZT288";
$macbook->os = "Windows 7";
$macbook->work = "娱乐";
unset($macbook->name);
echo "<hr/>";
if(isset($macbook->name)){
echo "成员属性name存在于NoteBook类中";
}else{
echo "成员属性name不存在于NoteBook类中";
}
?>
|