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<?php
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2018/5/6 0006
* Time: 14:33
*/
class friend
{
//类属性
private $name = '朋友1';
private $sex = '男';
private $age = '18';
//类方法
// public function getinfo($name = '', $age = 0)
// {
// //对象属性的初始化,引用类成员变量要是用为变量$this,当前类实例对象
// //->是对象访问符
// $this->name = empty($name) ? $this->name : $name;
// $this->age = ($age==0) ? $this->$age : $age;
// return '姓名:'.$this->name.',年龄:'.$this->age.'<br>';
// }
//类的构造方法在实例化中自动调用
//构造方法也是构造器;对象属性的初始化;
public function __construct($name, $sex, $age)
{
$this->name = $name;
$this->sex = $sex;
$this->age = $age;
}
//查询器
//双下划綫开始的叫魔术方法
public function __get($name)
{
// TODO: Implement __get() method.
return $this->$name;
}
/**
* @return string
*/
public function getSex($mima = '')
{
$msg = '非法访问';
if (!empty($mima) && $mima != '123') {
$msg = $this->sex;
}
return $msg;
}
/**
* @return string
*/
public function getName()
{
return $this->name;
}
/**
* @return string
*/
public function getAge()
{
return $this->age;
}
//设置器
//双下划綫为魔术方法
public function __set($name, $value)
{
if ($name == 'age') {
if (in_array($value, range(14, 89))) {
$this->$name = $value;
}
}
// TODO: Implement __set() method.
$this->$name = $value;
}
/**
* @param string $name
*/
public function setName($name)
{
$this->name = $name;
}
/**
* @param string $age
*/
public function setAge($age)
{
if (in_array($age, range(14, 49))) {
$this->age = $age;
}
}
}点击 "运行实例" 按钮查看在线实例
<?php
/**
* Created by PhpStorm.
* User: Administrator
* Date: 2018/5/6 0006
* Time: 14:50
*/
require './class/friend.php';
//$fi = new friend();
//var_dump($fi);
//$fi->name = 'haha';
//$fi->age = '19';
//$fi->sex = '男';
//echo $fi->name;
//echo $fi->getinfo('你好',72);
$gh = new friend('郭恒', '共和国', 22);
//echo $gh->getSex(123);
//echo $gh->getSex(1);
//echo $gh->setName('但是');
//$gh->setAge('10');
// $gh->setAge('20');
//echo $gh->getAge();
//echo $gh->name;
$gh->age = 24;
echo $gh->age;点击 "运行实例" 按钮查看在线实例
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