自动加载类案例

<?php

//include  'public/Car.php';

//include  'public/Mobile.php';

//自动加载器

spl_autoload_register(function($className){

    require  'public/'.$className.'.php';

});

$car = new Car();

$mobile = new Mobile('苹果','ip8plus',6800);

echo $car->brand.$car->model.$car->price,"<br>";

echo $mobile->brand.$mobile->model.$mobile->price,"<br>";

?>