abstract：// public目录和spl_autoload.php文件在同一个目录，pupblic目录下有三个文件，分别是Base.php,Computer.php,Mobile.php//spl_autoload.php文件内容：<?phpspl_autoload_register(function ($className) { require __DIR__."/
// public目录和spl_autoload.php文件在同一个目录，pupblic目录下有三个文件，分别是Base.php,Computer.php,Mobile.php
//spl_autoload.php文件内容：
<?php
spl_autoload_register(function ($className) {
require __DIR__."/public/{$className}.php"; //推荐绝对路径。
});
$com = new Computer('联想', '扬天', 5000);
$mobile = new Mobile('华为', 'P20', 7800);
$com->show();
$mobile->show();
//Base.php文件内容：
<?php
class Base
{
public function show()
{
echo $this->brand.$this->model.'的价格:'.$this->price, '<hr>';
}
}
//Computer.php文件内容：
<?php
class Computer extends Base
{
public $brand;
public $model;
public $price;
public function __construct($brand, $model, $price)
{
$this->brand = $brand;
$this->model = $model;
$this->price = $price;
}
}
//Mobile文件内容：
<?php
class Mobile extends Base
{
public $brand;
public $model;
public $price;
public function __construct($brand, $model, $price)
{
$this->brand = $brand;
$this->model = $model;
$this->price = $price;
}
}
Correcting teacher：天蓬老师Correction time：2019-03-26 16:45:08
Teacher's summary：其实这个案例,已经设计到一些初步的设计模式的知识啦