输出数据
header("Content-type:text/html;charset=utf-8");
require 'class/GirlFriend2.php';
$gf = new GirlFriend2('xiaoming',28,[80,88,90]);
//echo $gf->name;
$gf->age = 100;
$gf->name = 'xiaoming';
echo $gf->age;类文件
<?php
class GirlFriend2
{
private $name;
private $age;
private $stature;
public function __construct($name,$age,$stature=[]) {
$this->name = $name;
$this->age = $age;
$this->stature = $stature;
}
public function __get($name) {
$msg = '没有权限访问';
if ($this->name =='xiaoming'){
$msg = $this->$name;
}
return $msg;
}
public function __set($name, $value) {
if($name == 'age'){
if(in_array($value, range(12, 120))){
$this->$name = $value;
}
}else{
$this->$name = $value;
}
}
}总结访问不到属性或者不存在的属性，给属性设置值，自动调用__set()
不能读取私有属性自动调用__get()
使用__construct()对象属性初始化
